Sony Digital Betacam DVW-707 Maintenance Manual
Sony Digital Betacam DVW-707 Maintenance Manual

Sony Digital Betacam DVW-707 Maintenance Manual

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DIGITAL BETACAM CAMCORDER
DVW-707/707P
DVW-709WS/709WSP
DVW-790WS/790WSP
SDI OUTPUT BOARD
BKDW-702
PICTURE CACHE BOARD
BKDW-703
IMAGE INVERTER BOARD
BKDW-704
MAINTENANCE MANUAL
Volume 1 1st Edition (Revised 1)
Part 2

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Summary of Contents for Sony Digital Betacam DVW-707

  • Page 1 DIGITAL BETACAM CAMCORDER DVW-707/707P DVW-709WS/709WSP DVW-790WS/790WSP SDI OUTPUT BOARD BKDW-702 PICTURE CACHE BOARD BKDW-703 IMAGE INVERTER BOARD BKDW-704 MAINTENANCE MANUAL Part 2 Volume 1 1st Edition (Revised 1)
  • Page 2 ! WARNING This manual is intended for qualified service personnel only. To reduce the risk of electric shock, fire or injury, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Refer all servicing to qualified service personnel.
  • Page 3 For the customers in the U.S.A. and Canada CAUTION RECYCLING NICKEL-CADMIUM BATTERIES Danger of explosion if battery is incorrectly replaced. Nickel Cadmium batteries are Replace only with the same or equivalent type recyclable. You can help preserve our recommended by the manufacturer. environment by returning your unwanted Dispose of used batteries according to the batteries to your nearest point for...
  • Page 5: Table Of Contents

    Table of Contents Manual Structure Purpose of this manual ....................7 Contents ........................7 Related manuals ......................8 1. Service Overview 1-1. Fixtures and Adjustment Equipment ............1-1 1-1-1. Fixtures ..................1-1 1-1-2. Adjustment Equipment ............... 1-3 1-2. Using the Extension Boards ................ 1-4 1-2-1.
  • Page 6 3-2. Replacing the CCD Unit and Its Components ..........3-8 3-2-1. Replacing the CCD Unit ............3-8 3-2-2. Replacing the Filter Disk Unit (DVW-790WS/790WSP/709WS/709WSP only) ....3-13 3-2-3. Replacing the Boards Inside the CCD Unit ......3-14 3-3. Replacing the External Connectors/Switches ........... 3-16 3-3-1.
  • Page 7 4-2-21. Replacement of the Component Parts of the Threading Link Block ............4-88 4-2-22. Replacement of Loading Motor ..........4-102 4-2-23. Replacement of FE Head ............4-107 4-2-24. Replacement of Tape Cleaner ..........4-112 4-2-25. Replacement of Tape Guide ........... 4-113 4-2-26.
  • Page 8 7. Camera System Electrical Alignment (Only for DVW-790WS/790WSP/709WS/709WSP) 7-1. General Information for Electrical Adjustment .......... 7-1 7-1-1. Note for Adjustment ..............7-1 7-1-2. Equipment/Fixtures ..............7-1 7-1-3. Initial Switch Settings ..............7-1 7-1-4. Maintaining the Grayscale Chart ..........7-3 7-2. VCO CONT Frequency Check ..............
  • Page 9 7-18. Skin Tone Adjustment ................7-31 7-19. Zebra Adjustment ..................7-32 7-20. Automatic Iris Adjustment ................ 7-33 7-21. Adjustment After Replacing the Filter Disk Unit ........7-34 8. Camera System Electrical Alignment (Only for DVW-707/707P) 8-1. General Information for Electrical Adjustment .......... 8-1 8-1-1.
  • Page 11: Manual Structure

    Manual Structure Purpose of this manual This manual is the Maintenance Manual Part 2 Volume 1 of the following models: Digital Betacam Camcorder DVW-790WS/709WS/707, DVW-790WSP/709WSP/707P SDI Output Board BKDW-702 Picture Cache Board BKDW-703 Image Inverter Board BKDW-704 (For DVW-790WS/790WSP/709WS/709WSP only) This Maintenance Manual Part 2 is intended for use by trained system and service engineers, and provides the information that promises the parts level service (parts replacement, guideline for adjustment, schematic diagrams, board layouts, detailed...
  • Page 12: Related Manuals

    (BKDW-702/703/ 704)..BVF-V10/V10CE or BVF-V20W/V20WCE Maintenance Manual (available on request) These manuals are describes the service information of the supplied viewfinder. If it is required, contact your local Sony Sales Office/Service Center. DVW-790WS/709WS/707 DVW-790WSP/709WSP/707P P2V1...
  • Page 13: Service Overview

    Section 1 Service Overview 1-1. Fixtures and Adjustment Equipment 1-1-1. Fixtures Illust No. Part No. Description Usage A-8322-296-A Extension Boards Assembly Plug-in boards check/adjustment (EX-655/656/657/658/667, and Stays) A-8321-274-A EX-655 Board A-8321-275-A EX-656 Board A-8321-277-A EX-657 Board A-8321-278-A EX-658 Board A-8321-276-A EX-667 Board 3-193-678-01 Stay...
  • Page 14 1-1. Fixtures and Adjustment Equipment Illust No. Part No. Description Usage J-6322-420-B Tape Guide Adjustment Driver (45) Tape path adjustment J-6322-420-3 TG Driver Spare Bit (45) J-6323-530-A Stop Washer Fastening Tool Stop washer installation J-6323-890-A FWD Back Tension Measuring Cassette FWD back tension adjustment J-6324-150-A Reel Table Height Adjustment Tool...
  • Page 15: Adjustment Equipment

    1-1. Fixtures and Adjustment Equipment Illust No. Part No. Description Usage 7-432-950-03 Sealant (TSE-392W) For water drop-proof 7-661-018-18 Lubricant 7-662-010-08 Grease, SGL-701 (20 g) 7-700-736-04 Hexagonal Wrench (d=2.5 mm) Screws removal 7-700-736-05 Hexagonal Wrench (d=1.5 mm) 7-700-736-06 Hexagonal Wrench (d=0.89 mm) 8-960-073-01 Alignment Tape, ZR5-1 Digital video/audio adjustment (NTSC)
  • Page 16: Using The Extension Boards

    1-2. Using the Extension Boards 1-2. Using the Extension Boards Procedure 1. Connect the EX-656 board to the EX-655 board. The extension boards for the plug-in boards check are available separately as spare parts. See the table below to extend applicable board : Board to be Extension board Reference...
  • Page 17: Using The Ex-657 And Ex-658 Boards

    1-2. Using the Extension Boards 1-2-2. Using the EX-657 and EX-658 Boards 4. Remove the DCP or DVP board assembly to be checked. 5. Insert the EX-655 board into the slot for the DCP or These boards are intended for the following use: .
  • Page 18: Using The Ex-667 Board

    1-2. Using the Extension Boards 1-2-3. Using the EX-667 Board DC-DC Converter 1. Pull the DC-DC Converter out. The EX-667 board is intended for check of the following 2. Insert the EX-667 board into the slot, and then push it boards/part: to connect the MB-811 board.
  • Page 19 1-2. Using the Extension Boards 2. Disconnect the fixed coaxial cable from the connector DIF-75 Board (Optional Board: BKDW-702) (CN2) on the EX-667 board. 1. Disconnect the coaxial cable from the connector 3. Insert the EX-667 board into the slot, and then push it (CN2) on the DIF-75 board, and then pull the board to connect to the MB-811 board.
  • Page 20: Disconnecting/Reconnecting Flexible Card Wires

    1-3. Disconnecting/Reconnecting Flexible Card Wires 1-4. IC Link 1-3. Disconnecting/Reconnecting Reconnecting Flexible Card Wires 1. Check to see that the conductive surface (silver side) The three flexible card wires are used in the connection of of the flexible card wire is not soiled with dust. the MB-810 board and the TC-101 board.
  • Page 21: Notes On Ccd Unit

    When replacing the IF-716 board, remove the IC102 on the new IF-716 board and replace with the used IC on the former board. If it becomes necessary to replace with a new IC, contact your local Sony Service Center/Sales Office. DVW-790WS/709WS/707...
  • Page 22: Note On The Dcp-17 Board Replacement

    1-7. Note on the DCP-17 Board Replacement 1-8. EEPROM on the ES-23 Board 1-7. Note on the DCP-17 Board 1-8. EEPROM on the ES-23 Board Replacement Operation of the unit elevates the temperature of the IC EEPROM/NV-RAM package. Heated IC package may result in injury. Replace the IC after turning off the power and ample time Operation of the unit elevates the temperature of the IC for the IC to cool off.
  • Page 23: Note On The If-716 Board Replacement

    7-2./8-2. VCO CONT Frequency Check If it becomes necessary to replace with a new IC, contact IF-716 Replace the IC102 with the used one on your local Sony Service Center/Sales Office. the former board. TC-101 Switch settings (Refer to the MM P1 , Section 1-10-6.)
  • Page 25: Setup Menu

    Section 2 Setup Menu This section describes the service mode that is part of the Setup Menu which appears on the viewfinder screen. For the VTR menu, refer to the Maintenance Manual, Part 1, Section 3-2. 2-1. Service Mode The circuit boards that are supplied as repair parts have already been adjusted before shipment from the factory.
  • Page 26: Fundamental Operation Of The Setup Menu

    2-1. Service Mode 2-1-1. Fundamental Operation of the Setup Menu Switch description MENU ON/OFF/PAGE switch MENU CANCEL/PRST/ITEM GAIN OUTPUT WHITE BAL switch CANCEL/PRST PAGE ITEM ASSIGNABLE MENU POWER Rotary encoder 1. MENU ON/OFF/PAGE switch The MENU ON/OFF/PAGE switch is used to display the setup menu or to switch the display items in units of page.
  • Page 27: Contents Of Setup Menu

    2-1. Service Mode 2-1-2. Contents of Setup Menu This section describes all menu items that appear when the service mode is selected. (The items shown in halftone appear only in the service mode.) (Values in square [|] of the Setup column indicate the default value when shipped from factory.) Page Item Setup...
  • Page 28 2-1. Service Mode Page Item Setup Description MASTER GAIN _3/[0]/3/6/9/12/18/ Sets the gain corresponding to the LOW, MIDDLE, HIGH and 24/30/36/42/48 dB TURBO positions of the GAIN selector switch. _3/0/3/6/[9]/12/18/ Note : When the gain selection value is changed, the BLACK SET 24/30/36/42/48 dB adjustment is required.
  • Page 29 2-1. Service Mode Page Item Setup Description SETUP CARD READ ( CAM) To be executed by Reads data from the setup card. pressing the rotary encoder. WRITE ( CARD) To be executed by Writes data to the setup card pressing the rotary encoder.
  • Page 30 2-1. Service Mode Page Item Setup Description FUNCTION 2/2 DCC FUNCTION FIX/[DCC]/ADP.K Selects the DCC function modes when the DCC switch is set to ON. DCC : Normal mode (Dynamic range is set by the DCC ADJUSTMENT page.) : Knee is corrected by the fixed dynamic range of 600%. ADP.K : Adaptive mode Detects an object which is occupying the largest area of a picture and automatically adjusts the knee point...
  • Page 31 2-1. Service Mode Page Item Setup Description VF SETTING ZEBRA 1 DETECT 20 to 107 % ([70]) Sets the center level of the zebra 1 pattern. ZEBRA 1 APERTURE 1 to 20 % ([10]) Sets the width of the zebra 1 pattern. ZEBRA 2 DETECT 52 to 109 % ([100]) Sets the ZEBRA2 display level.
  • Page 32 2-1. Service Mode Page Item Setup Description LEVEL 3 SKIN TONE DTL ON/[OFF] Turns ON/OFF the skin tone detail function. (Same as the TEST OUT on the 1/2 pages of FUNCTION.) SUPPRESS LEVEL X([0]) Sets signal amount of the skin tone detail. [OFF]/EXEC SKIN TONE DET Sets to the EXEC position when the range in which skin tone...
  • Page 33 2-1. Service Mode Page Item Setup Description LEVEL 7 R BLACK X ([0]) Adjusts the black level of the R signal. G BLACK X ([0]) Adjusts the black level of the G signal. B BLACK X ([0]) Adjusts the black level of the B signal. R FLARE X ([0]) Adjusts the flare correction of the R channel.
  • Page 34 2-1. Service Mode Page Item Setup Description LEVEL 9 MATRIX ON/[OFF] Turns ON/OFF the matrix correction function. [A]/B MATRIX TABLE Selects the matrix table. (Two status of A and B can be saved.) (Same as the MATRIX TABLE on page 10 of LEVEL.) [OFF]/EXEC DETECT COLOR Sets this item to the EXEC position to detect color of multi matrix.
  • Page 35 2-1. Service Mode Page Item Setup Description W-SHADING G Used for the G channel white shading adjustment. H SAW X ([0]) Adjusts amount of the H. SAW correction. H PARA X ([0]) Adjusts amount of the H. PARA correction. V SAW X ([0]) Adjusts amount of the V.
  • Page 36 2-1. Service Mode Page Item Setup Description OFFSET WHT This page is used to add offset to the AUTO white balance value at all times. Data can be stored in the memory A-CH and the memory B-CH independently. (Refer to the Operation Manual for more details.) OFFSET WHITE<A>...
  • Page 37 2-1. Service Mode Page Item Setup Description OPERATION 1 R-G/B-G SEL. ON/[OFF] Turns ON/OFF the function of adding the R-G and B-G signal to the video signal that is output from the TEST OUT connector. [A]/B/C/D/F GAMMA TABLE Selects the characteristics of the gamma correction. Output level x (3%) Input level...
  • Page 38 2-1. Service Mode Page Item Setup Description [ON]/OFF OPERATION 2 AWB LEVEL GATE Selects the desired detection mode for the white balance auto- matic adjustment. : Detects the white level to adjust the white balance. : Detects the signal level around the center of the screen to adjust the white balance.
  • Page 39 2-1. Service Mode Page Item Setup Description [ON]/OFF MENU SEL. 1 MARKER 1/3 Selects the pages to be displayed in the user mode. MARKER 2/3 ON/[OFF] MARKER 3/3 ON/[OFF] [ON]/OFF VF DISP 1/2 [ON]/OFF VF DISP 2/2 [ON]/OFF MASTER GAIN [ON]/OFF SHOT ID [ON]/OFF...
  • Page 40 2-1. Service Mode Page Item Setup Description MEASUREMENT Turns ON/OFF the functions that implement all the necessary settings to execute measurements of various characteristics. (Various settings are returned to the original values when this item is set to OFF.) ON/[OFF] Turns ON the necessary settings during S/N measurement.
  • Page 41 2-1. Service Mode Page Item Setup Description TG Adj. BC COMP.ADJ. X ([0]) This item is strictly for adjustment in the factory. (Never change the setting.) [ON]/OFF This item is strictly for adjustment in the factory. (Never change the setting.) [FIELD]/FRAME FIELD/FRAME Selects the CCD read-out system (Same as FIELD/FRAME item...
  • Page 42 2-1. Service Mode Page Item Display Description DEVICE STATUS Checks the communication function of each device. <IO> Checks the I/O. [OK]/NG IC20/DR-387 board : Reads the CHB information, and others. [OK]/NG IC1/DR-387 board : Controls the filter servo/rotary shutter, and others. OK/NG/[__] I/O IC/BKDW-705 : Controls the rotary shutter.
  • Page 43 2-1. Service Mode Page Item Display Description DP DIAG.STATUS <Pulse> Checks if the fundamental pulses such as HD, VD, and others are input to the DSP LSI. [OK]/NG IC185/DCP-17 board [OK]/NG IC205/DCP-17 board [OK]/NG IC606/DCP-17 board [OK]/NG IC71/DCP-17 board <SH IE>...
  • Page 44: Setup Menu List

    2-1. Service Mode 2-1-3. Setup Menu List The setup menu items can be written into the setup card. At the same time, turning ON/OFF and adjust- ment of functions can be implemented using the remote control unit RM-P9/B150. The menu items that can be saved in the setup card and those that can be controlled from the remote control unit RM-P9/B150 among all menu items, are shown as follows when the service mode is selected.
  • Page 45 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark MARKER 1/3 SAFETY ZONE SAFETY AREA CENTER CENTER H CENTER V MARKER 2/3 BOX CURSOR BOX WIDTH BOX HEIGHT BOX H BOX V MARKER 3/3 TEST OUT MIX RET MIX TEST OUT VF DISP TEST OUT MENU...
  • Page 46 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark SHUTTER 1/100(NTSC) 1/60(PAL) 1/125 1/250 1/500 1/1000 1/2000 !’ LED MASTER GAIN SHUTTER ON WHITE PRESET ATW RUN EXTENDER ON FILTER 2,3,4 FILTER A,C,D DVW-790WS/790WSP/ 709W/709WSP only A.IRIS OVERRIDE SETUP CARD READ ( CAM)
  • Page 47 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark WIDE SCREEN 16:9/4:3 MODE 16:9 DVW-790WS/790WSP/ 709WS/709WSP only VF ASPECT AUTO BOX/4:3/14:9 LIMITS 16:9 BARS ID 16:9 VF ID VF SETTING ZEBRA 1 DETECT ZEBRA 1 APERTURE YES ZEBRA 2 DETECT ZEBRA SELECT TEST OUT ZEBRA...
  • Page 48 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark LEVEL 3 SKIN TONE DTL P/M(*4) SKIN TONE DET SUPPRESS LEVEL SATURATION WIDTH SKIN AREA IND. (*2) (*3) LEVEL 4 MASTER BLACK MASTER GAMMA (*2) (*3) (*4) MASTER BLK GAMMA (*2) (*3)
  • Page 49 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark LEVEL 8 GAMMA TABLE MASTER GAMMA (*2) (*3) R GAMMA G GAMMA B GAMMA BLACK GAMMA RANGE (*4) MASTER BLACK GAMMA R BLACK GAMMA G BLACK GAMMA B BLACK GAMMA LEVEL 9 MATRIX MATRIX TABLE...
  • Page 50 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark W-SHADING G H SAW H PARA V SAW V PARA H SAW (EXT) H PARA (EXT) V SAW (EXT) V PARA (EXT) SHAD COMP. TEST OUT W-SHADING R H SAW H PARA V SAW...
  • Page 51 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark PRESET WHT COLOR TEMP (P) 3200 FINE (P) R GAIN (P) B GAIN (P) OPERATION 1 R-G/B-G SEL. GAMMA TABLE LOW LIGHT LOW LIGHT LEVEL SELECT BARS SMPTE (NTSC) EBU (PAL) WHITE BCH BATTERY WARNING YES...
  • Page 52 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark MENU SEL. 2 Setup CARD FUNCTION 1/2 FUNCTION 2/2 VF SETTING WIDE SCREEN DVW-790WS/790WSP/ 709WS/709WSP only LEVEL 1<Detail> LEVEL 2<Detail> LEVEL 1<4:3DTL> LEVEL 2<4:3DTL> MENU SEL. 3 LEVEL 3<SKnDTL> LEVEL 4<Knee>...
  • Page 53 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark B-SHADING G H SAW H PARA V SAW V PARA SHAD COMP. TEST OUT B-SHADING R H SAW H PARA V SAW V PARA SHAD COMP. TEST OUT B-SHADING B H SAW H PARA...
  • Page 54 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark AD ADJ. G AD GAIN R AD GAIN B AD GAIN AD CLOCK PHASE R/B CLOCK PHASE ND COMP. ND DETECTION ND1 DET. = ND2 DET. = ND3 DET. = ND4 DET.
  • Page 55 2-1. Service Mode Page Item Setup C RM-P9 RM-B150 F-SET C-SET Remark DP DIAG.STATUS <Pulse> <SH IE> <IE PR> <ROM> <ROM> 2-31 DVW-790WS/709WS/707 DVW-790WSP/709WSP/707P P2V1...
  • Page 57: Parts Replacement

    Section 3 Parts Replacement 3-1. Replacing Boards 3-1-1. Notes on Board Replacement This section describes how to replace the following boards: . 3-1-2. Replacing the MB-810 and MB-811 Boards . 3-1-3. Replacing the HN-260 Board . 3-1-4. Replacing the CI-20 and CI-21 Boards .
  • Page 58 3-1. Replacing Boards 3-1-2. Replacing the MB-810 and MB-811 Boards MB-810 Board Board guide (R2) PS-533 board DC fan CN101 1. Open the inside panel. 2. Disconnect the three flexible card wires from CN55 MB-811 board the connectors (CN121, CN122, and CN123) on the TC-101 board.
  • Page 59 3-1. Replacing Boards 14. Disconnect the harnesses from the two connectors (CN10 and CN50) on the MB-810 MB-811 board board. 15. Remove the connector box assembly. (Refer to step 1 of Section 3-3-1.) 16. Remove the six screws. And then loosen the connector connected to the MB-811 board to remove the MB-810 board.
  • Page 60 3-1. Replacing Boards 3-1-3. Replacing the HN-260 Board HN-260 board 1. Remove the outside panel. 2. Remove the mechanical deck assembly. (Refer to Section “4. Mechanical Deck Parts Replacement”.) CN10 3. Untie the harnesses from the three coating CN12 lead pins. 4.
  • Page 61: Replacing The Ci-20 And Ci-21 Boards

    3-1. Replacing Boards 3-1-4. Replacing the CI-20 and CI-21 Boards 40-pin fitting assembly (CN2) Removal Precision P 2.6x5 1. Open the inside panel. 2. Remove the two precision screws (P 2.6x5), MB-811 Flexible card board and then disconnect and pull the 40-pin wire bracket assembly out from the MB-811 board.
  • Page 62 3-1. Replacing Boards 6. Remove the three screws (B 3x8) to remove the V mount (2) assembly. P 2x4.5 7. Remove the five precision screws (P 2.6x5) to remove the 40-pin fitting assembly. 40-pin mounting bracket (B) 8. Remove the two screws (P 2x4.5) to remove the 40-pin mounting bracket (B) and the water drop-proof packing from the CI-20 Water drop-proof packing...
  • Page 63 3-1. Replacing Boards Reinstallation Red lever Required tools . 40-pin positioning tool PG-163 : J-7031-630-A . 40-pin CN positioning tool PG-215 : J-7032-150-A PG-215 Procedure (40-pin CN positioning tool) 1. Temporarily assemble the 40-pin mounting 40-pin fitting assembly bracket (B), the water drop-proof packing, P 2x4.5 and the CI-20 board.
  • Page 64: Replacing The Ccd Unit And Its Components

    3-2. Replacing the CCD Unit and Its Components 3-2. Replacing the CCD Unit and Its Components 3-2-1. Replacing the CCD Unit The CCD unit used for the DVW-707/707P is different from that used for the DVW-790WS/790WSP/ 709WS/709WSP. However, the replacement procedure remains the same. The type of filter knobs is also different depending on the model.
  • Page 65 3-2. Replacing the CCD Unit and Its Components Removal VA-191 board BC-31/32 board 1. Removing the Front Assembly (1) Open the inside panel. (2) Disconnect the harnesses from the connectors (CN2 and CN8) on the DR-387 board. (3) Remove the outside panel. (4) Remove the four screws.
  • Page 66 3-2. Replacing the CCD Unit and Its Components DVW-790WS/790WSP/709WS/709WSP The removal and reinstallation procedures of the filter knob differ depending on the model. Front frame assembly 2. Removing the ND Filter Knob DVW-790WS/790WSP/709WS/709WSP : Loosen the two setscrews to remove the ND filter knob.
  • Page 67 3-2. Replacing the CCD Unit and Its Components Reinstallation CCD unit 5. Reinstalling the CCD Unit (1) Clean the area ( portion in the figure) of the CCD unit, that contacts the front frame. (2) Reinstall the CCD unit on the front frame assembly using the four screws.
  • Page 68 3-2. Replacing the CCD Unit and Its Components 8. Reinstalling the Front Assembly (1) Ensure that the harnesses removed in step 1 is reconnected to the VA-191 board (CN2) and the BC-31/32 board (CN1). (2) Reinstall the front assembly using the four screws.
  • Page 69: Replacing The Filter Disk Unit (Dvw-790Ws/790Wsp/709Ws/709Wsp Only)

    3-2. Replacing the CCD Unit and Its Components 3-2-2. Replacing the Filter Disk Unit (DVW-790WS/790WSP/709WS/ 709WSP only) . The filter disk unit used in the DVW-707/707P cannot be removed because it is built into a single body with the CCD unit. .
  • Page 70: Replacing The Boards Inside The Ccd Unit

    3-2. Replacing the CCD Unit and Its Components 3-2-3. Replacing the Boards Inside the CCD Unit The numbers in the figure indicate the order of the procedure. 1. Removing the CCD Unit Refer to Section “3-2-1. Replacing the CCD unit”. 2.
  • Page 71 3-2. Replacing the CCD Unit and Its Components 5. VA-191 board 6. PA-228 board 3. TG-206/207 board DVW-707/707P Shield plate (TG) Precision M 1.4x3.5 CHB stay B 3x5 Precision P 2x6 Precision 2. DR-387 board M 1.4x3.5 Precision M 1.4x3.5 DVW-709WS/709WSP/ 790WS/790WSP 4.
  • Page 72: Replacing The External Connectors/Switches

    3-3. Replacing the External Connectors/Switches 3-3. Replacing the External Connectors/Switches 3-3-1. AUDIO IN, AUDIO OUT (CH1, CH2), DC IN, DC OUT Connectors 1. Removing the Connector Box Assembly MB-811 board (1) Remove the outside panel. (2) Open the inside panel. (3) Disconnect the coaxial cable from the connector (CN1) on the MB-811 board.
  • Page 73 3-3. Replacing the External Connectors/Switches (5) Loosen the two screws (B 4x10) on the shoulder pad (NS) assembly. Shoulder pad (NS) assembly (6) Move the shoulder pad (NS) assembly in the direction of the arrow. (7) Remove the four screws (B 3x4). Discon- nect the connection to the MB-810 board to remove the connector box assembly.
  • Page 74 3-3. Replacing the External Connectors/Switches 5. Removing the Connector AXM-21 board Refer to the following replacement procedure of (AUDIO IN, AUDIO OUT connectors) each connector depending on the connector. Board Reattach the connector by reversing the removing support steps. . AUDIO IN/AUDIO OUT connector Precision P 2.6x5 (1) Remove the six precision screws to remove the AXM-21 board.
  • Page 75: Vf Connector

    3-3. Replacing the External Connectors/Switches 3-3-2. VF Connector Coating lead pin 1. Pull the plug-in boards (DCP and DVP board MB-811 board assemblies) out. (Refer to the Maintenance Manual Part 1, Section 1-9.) CN23 2. Remove the CCD unit. (Refer to Section “3- VF connector 2-1.
  • Page 76: Power Switch, Mic In Connector

    3-3. Replacing the External Connectors/Switches 3-3-3. POWER Switch, MIC IN Connector POWER Switch 1. Remove the front assembly. (Refer to Section MB-810 board “3-2-1. Replacing the CCD Unit”.) 2. Disconnect the harness from the connector CN10 (CN10) on the MB-810 board. 3.
  • Page 77: Shutter Switch

    3-3. Replacing the External Connectors/Switches 3-3-4. Shutter Switch 1. Remove the front assembly. (Refer to “3-2-1. Replacing CCD unit”.) 2. Remove the two precision screws fixing the lens connector and the three precision screws to remove the front switch cover assembly. Precision P 2.6x5 Front assembly...
  • Page 78: Replacing The Rotary Encoder

    3-4. Replacing the Rotary Encoder 3-4. Replacing the Rotary Encoder 1. Remove the front assembly. (Refer to Section Rotary encoder “3-2-1. Replacing the CCD Unit”.) 2. Remove the SW-971 board. (Refer to Section R-E bracket “3-3-4. Shutter Switch”.) 3. Insert a flatbrade screwdriver into the clear- Washer ance between the rotary encoder knob and the front switch cover assembly.
  • Page 79: Replacing The Dc Fans

    3-5. Replacing the DC Fans 3-5. Replacing the DC Fans 3-5-1. Upper DC Fan The bearing of the DC fan is a precision part. Be careful not to grasp the fan by its blade, bump, and drop it. Unduly shock may damage the bearing, that can result in abnormal noise during the fan operation.
  • Page 80: Lower Dc Fan

    3-5. Replacing the DC Fans 3-5-2. Lower DC Fan 1. Open the inside panel. If the optional DIF-75 board (BKDW-702) has been installed, disconnect the coaxial cable from the connector (CN2) on the MB-811 board DIF-75 board. And then pull the DIF-75 board out.
  • Page 81: Replacing The Camera Sw Ornamental Plate

    3-6. Replacing the Camera SW Ornamental Plate 3-6. Replacing the Camera SW Ornamental Plate Removal 1. Open the inside panel. 2. Disconnect the harness from the connector (CN503) on the TC-101 board. CN503 TC-101 board 3. Disconnect the three flexible card wires from the connectors (CN121 to CN123) on the TC-101 board.
  • Page 82 3-6. Replacing the Camera SW Ornamental Plate 5. Disconnect the harness from the connector Precision (CN1) on the CP-329 board. P 1.4x3.5 6. Remove the two precision screws (P 1.4x3.5) CN 1 to remove the CP-329 board. 7. Remove the two screws (TP 2x4) to remove the camera SW ornamental plate.
  • Page 83 3-6. Replacing the Camera SW Ornamental Plate Removal TP 2x4 Required tool Camera SW ornamenta . Sealant TSE-392W : 7-432-950-03 plate 1. Remove the remaining old sealant from the surface of the inside panel ( portion in the figure) using a flatbrade screwdriver. Hole of 2.
  • Page 84: Replacing The Card Door Assembly

    3-7. Replacing the Card Door Assembly 3-8. Replacing the 40-pin Fitting Assembly 3-7. Replacing the Card Door Assembly Removal Flexible card wire Precision 1. Open the inside panel. P 1.4x3.5 2. Disconnect the flexible card wire from the Precision P 1.4x3.5 connector (CN10) on the VR-248 board.
  • Page 85: Mechanical Deck Parts Replacement

    Section 4 Mechanical Deck Parts Replacement 4-1. General Information for Parts Replacement and Adjustment 4-1-1. Notes 1. About Cleaning Blade (Tape Cleaner [Entrance side] depending on model) Cleaning blade Never touch to the cleaning blade that is attached to the erase head with bare hand. It is in danger of cutting your finger because the cleaning blade has a sharp edge.
  • Page 86: Threading End/Unthreading End Mode

    4-1. General Information for Parts Replacement and Adjustment 4-1-2. Threading End/Unthreading End Mode Catcher T T slider 1. Threading End Mode Capstan shaft Threading end mode means that S and T sliders V cut Pinch roller move from around the reel tables to both sides of the drum, and stop at the cut portions like a V of T2 guide catchers S and T.
  • Page 87: Manual Eject Assembly Removal/Installation

    4-1. General Information for Parts Replacement and Adjustment 4-1-3. Manual Eject Assembly Removal/Installation Manual eject assembly Removal (1) Turn the power off. Screw (PWH 1.4x2.5) (2) Remove the front lid and the outside panel. Capstan shaft (Refer to section 1-6 of Maintenance Manual Part 1.) (3) Remove the screw and the manual eject as- sembly.
  • Page 88: Parts Replacement

    4-2. Parts Replacement 4-2. Parts Replacement 1. Index Part Name Section Page Part Name Section Page Slip Ring Assembly 4-2-3 4-20 Capstan Motor 4-2-13 4-57 Brush Assembly for Slip Ring 4-2-2 4-17 Pinch Roller 4-2-5 4-30 Upper Drum Assembly 4-2-1 Timing Belt 4-2-12 4-53...
  • Page 89 4-2. Parts Replacement 2. Notes (1) About screwdriver and torque reading This model uses the screws of the two kinds. Be sure to use the relevant tools when loosening or tightening. Be sure to use the torque screwdriver when tightening the screw, and tighten in the relevant torque reading. Torque screwdriver bit (for M1.4) : J-6325-110-A Torque screwdriver bit (for M2) : J-6325-380-A...
  • Page 90 4-2. Parts Replacement (3) About oil and grease Be sure to use the relevant oil and grease. If the different oil or grease used, major malfunction may cause due to the differences in viscosity and ingredients. If the oil and grease used which mixed with dust, major malfunction may cause. Be sure to use the following oil and grease.
  • Page 91: Upper Drum Assembly Replacement

    4-2. Parts Replacement 4-2-1. Upper Drum Assembly Replacement Overviews Replacement Brush Cover Removal Brush Assembly Removal Desoldering the Leads of Slip Ring Assembly Upper Drum Assembly Removal Cleaning of Contact Surfaces Upper Drum Assembly Installation Upper Drum Eccentricity Adjustment Tool Installation Upper Drum Eccentricity Adjustment Upper Drum Eccentricity Adjustment Tool Removal Soldering the Leads of Slip Ring Assembly...
  • Page 92 4-2. Parts Replacement Notes If rotary heads are worn out or broken, replace the upper drum assembly. The head chip can not be replaced. Basic information Apart from the periodic replacement time, the upper drum assembly needs to be replaced in the following case.
  • Page 93 4-2. Parts Replacement Removal P 2x2 1. Brush Cover Removal (1) Disconnect the connector on the brush assem- bly board. Brush assembly Brush cover Connector (2) Remove the two screws and the brush cover. 2. Brush Assembly Removal (1) Remove one of the screws which secures the Remove the screw first.
  • Page 94 4-2. Parts Replacement 3. Desoldering the Leads of Slip Ring Assembly Lead wires (RED, BLUE, BLK) Desolder the three leads of the slip ring assembly from the UDR-9 board on the upper drum assem- UDR-9 board bly. Upper drum assembly Soldered points Slip ring 4.
  • Page 95 4-2. Parts Replacement Installation LDR-8 board Circle patterns (twelve) 5. Cleaning of Contact Surfaces (1) Clean the following places using a cleaning Lower drum DR-261 board cloth moistened with cleaning fluid. . Flange of the lower drum (Shaded portion) Flange .
  • Page 96 4-2. Parts Replacement 6. Upper Drum Assembly Installation (1) Hold the areas of the new upper drum assem- Notch UDR-9 board Upper drum bly where video heads are not installed, by assembly hand. Align the notch of the center hole on the UDR-9 board with the hole of the DR-261 board.
  • Page 97 4-2. Parts Replacement 7. Upper Drum Eccentricity Adjustment Tool Installation (1) Clean the probes of the tool using a cleaning cloth moistened with cleaning fluid. . If the probes were dirty, the upper drum as- sembly may scratch. Probe Tape .
  • Page 98 4-2. Parts Replacement 8. Upper Drum Eccentricity Adjustment (1) Slowly turn the upper drum assembly counter- clockwise and for one turn check that the indi- cated deflection of a gauge meets the follow- ing specification. Specification : Within 3 um If the specification did not meet, repeat the fol- lowing three steps and adjust until the specifi- Press in this direction.
  • Page 99 4-2. Parts Replacement 10. Soldering the Leads of Slip Ring Assembly Brush base Screw Brush Solder the three leads of the slip ring assembly to Slip ring the UDR-9 board on the upper drum assembly. Red lead : RED pattern Blue lead : BLUE pattern Black lead : BLK pattern 11.
  • Page 100 4-2. Parts Replacement Adjustments After Replacement 14. Tape Running Adjustment (Refer to section 5-1.) 15. Video Tracking Adjustment (Refer to section 5-2.) 16. CTL Head Height Adjustment (Refer to section 5-3.) 17. CTL Head Position Adjustment (Refer to section 5-4.) 18.
  • Page 101: Brush Assembly Replacement For Slip Ring

    4-2. Parts Replacement 4-2-2. Brush Assembly Replacement for Slip Ring Overviews Replacement Brush Cover Removal Brush Assembly Removal Brush Assembly Installation Brush Cover Installation Notes If the brush worn out, replace the brush assembly. Once the brush assembly is attached referring to the following procedures, the relative height and contact pressure against the slip ring will be automatically adjusted.
  • Page 102 4-2. Parts Replacement Removal P 2x2 1. Brush Cover Removal (1) Disconnect the connector on the brush assem- Brush assembly bly board. Brush cover (2) Remove the two screws and the brush cov- Connector 2. Brush Assembly Removal (1) Remove one of the screws which secures the Remove this screw first.
  • Page 103 4-2. Parts Replacement Installation Brush base P 2x4 3. Brush Assembly Installation Brush Slip ring (1) Temporarily attach the brush assembly to the brush support using the screw shown in the figure. Never touch the brush. (2) Move the brush base while pressing down the brush base above the brush support and tempo- rarily attach the brush assembly using the oth- er screw.
  • Page 104: Slip Ring Assembly Replacement

    4-2. Parts Replacement 4-2-3. Slip Ring Assembly Replacement Overviews Replacement Brush Cover Removal Brush Assembly Removal Slip Ring Assembly Removal Slip Ring Assembly Installation Brush Assembly Installation Brush Cover Installation Notes If the slip ring worn out, replace the slip ring assembly. Once the slip ring assembly is replaced, the adjustment is not needed.
  • Page 105 4-2. Parts Replacement Removal P 2x2 1. Brush Cover Removal (1) Disconnect the connector on the brush assem- Brush assembly bly board Brush cover (2) Remove the two screws and the brush cover. Connector 2. Brush Assembly Removal (1) Remove one of the screws which secures the Remove this screw first.
  • Page 106 4-2. Parts Replacement 3. Slip Ring Assembly Removal (1) Desolder the three leads of the slip ring assem- Lead wires (RED, BLUE, BLK) bly from the UDR-9 board on the upper drum P 2x4 assembly. (2) Remove the two screws and the slip ring as- UDR-9 board sembly.
  • Page 107 4-2. Parts Replacement 5. Brush Assembly Installation (1) Temporarily attach the brush assembly to the Brush base P 2x4 brush support using the screw shown in the Brush Slip ring figure. (2) Move the brush base in the direction of the ar- row while pressing down the brush base above the brush support and temporarily attach the brush assembly using the other screw.
  • Page 108: Drum Assembly Replacement

    4-2. Parts Replacement 4-2-4. Drum Assembly Replacement Overviews Replacement Video Head Cleaner Removal Disconnection of the Brush Assembly Connector Drum Assembly Removal Cleaning of Contact Surfaces Drum Assembly Installation Connection of the Brush Assembly Connector Video Head Cleaner Installation Cleaning of Video Heads and Tape Running Surface Adjustments after replacement Tape Running Adjustment Video Tracking Adjustment...
  • Page 109 4-2. Parts Replacement Preparations 1. Check that the unit is in the unthreading end mode. 2. Turn the power off. 3. Remove the front lid and the outside panel. (Refer to section 1-6 of Maintenance Manual Part 1.) The drum assembly can be replaced when the cassette compartment is attached to the unit. Tools .
  • Page 110 4-2. Parts Replacement 3. Drum Assembly Removal Drum assembly (1) Remove the three screws which secure the PSW 2x5 drum assembly. PSW 2x5 (2) Lift just above the drum assembly and discon- nect the three connectors (CN1, CN2 and CN3) on the lower board of the drum. Drum assembly In this way the drum assembly will remove.
  • Page 111 4-2. Parts Replacement Installation Cleaning Drum assembly 4. Cleaning of Contact Surfaces Clean the contact surfaces of the new drum assem- bly and chassis using a cleaning cloth moistened with cleaning fluid. Positioning pins Cleaning 4-27 DVW-790WS/709WS/707 DVW-790WSP/709WSP/707P P2V1...
  • Page 112 4-2. Parts Replacement 5. Drum Assembly Installation PSW 2x5 (1) Hold the new drum assembly and connect the three connectors (CN1, CN2 and CN3) which are disconnected in step 3. . Be sure to hold the areas where video heads Drum assembly are not installed.
  • Page 113 4-2. Parts Replacement Adjustments After Replacement Tape Running Adjustment (Refer to section 5-1.) 10. Video Tracking Adjustment (Refer to section 5-2.) 11. CTL Head Height Adjustment (Refer to section 5-3.) 12. CTL Head Position Adjustment (Refer to section 5-4.) 13. CUE Head Height Adjustment (Refer to section 5-5.) 14.
  • Page 114: Pinch Roller Replacement

    4-2. Parts Replacement 4-2-5. Pinch Roller Replacement Overviews Replacement Pinch Roller Removal Install Shaft Cleaning Pinch Roller Installation Pinch Roller Cleaning Adjustments after replacement Tape Running Adjustment CUE Head height Adjustment Note If pinch roller is wornout, replace the pinch roller. Preparations 1.
  • Page 115 4-2. Parts Replacement Removal Pinch roller 1. Pinch Roller Removal White-marks (1) Loosen the center screw of the pinch roller. Pinch roller install shaft M 1.4x2.5 (cleaning) Lift just above and remove the pinch roller. (2) Remove the screw from the pinch roller. Installation 2.
  • Page 116: Hc Roller Assembly Replacement For Video Heads

    4-2. Parts Replacement 4-2-6. HC Roller Assembly Replacement for Video Heads Overviews Replacement Mode Selection VH Cleaner Assembly Removal HC Roller Replacement VH Cleaner Assembly Installation Operation Check Note The adjustment after replacing is not needed. Preparations 1. Turn the power off. 2.
  • Page 117 4-2. Parts Replacement Removal Holding this portion using tweezers or equivalent. 1. Mode Selection (1) Check that the unit is the unthreading end Notch mode. Screw (2) Turn the manual eject gear clockwise. Release (with drop-safe) the HC roller from the drum. 2.
  • Page 118 4-2. Parts Replacement Installation Video head cleaner assembly HC Roller Replacement (1) Remove the CR spacer and the HC roller as- sembly. (2) Put the new HC roller assembly in the shaft CR spacer and attach using the new CR spacer. The HC roller assembly can be installed in ei- ther side due to no right-side up.
  • Page 119: Cue Brush Replacement For Cue Head

    4-2. Parts Replacement 4-2-7. CUE Brush Replacement for CUE Head Overviews Replacement Mode Selection Manual Eject Assembly Removal CUE Brush Replacement Manual Eject Assembly Installation Operation Check Note The adjustment after replacing is not needed. Preparations 1. Turn the power off. 2.
  • Page 120 4-2. Parts Replacement Installation Stop washer 3. CUE Brush Replacement (1) Remove the stop washer at the top of the CUE CUE brush arm using a pair of tweezers and the CUE brush. (2) Attach the CUE brush and the stop washer. 4.
  • Page 121: Brake Band Assembly Replacement

    4-2. Parts Replacement 4-2-8. Brake Band Assembly Replacement Overviews Replacement Band Holder Removal Brake Band Assembly Removal S Reel Table Cleaning Brake Band Assembly Installation Band Holder Installation Adjustments after replacement Check of the Tension Regulator Operating Position FWD Back Tension Adjustment Tape Running Adjustment Note If the felt surface of S brake bnad assembly became hard or wornout, replace the brake band assembly.
  • Page 122 4-2. Parts Replacement Removal M 1.4x2.5 1. Band Holder Removal Using the torque screwdriver bit (for M1.4) re- Band holder move the screw and the band holder. S reel table Band holder S reel table Brake band 2. Brake Band Assembly Removal PSW 2x5 (1) Remove the stop washer on the tension regula- Stop washer...
  • Page 123 4-2. Parts Replacement (3) Remove the S soft bracket and the tension Tension spring spring from the band base. S soft brake Band base Installation 3. S Reel Table Cleaning Clean the contact surface with the brake band of the S reel table using a cleaning cloth moistened with cleaning fluid.
  • Page 124 4-2. Parts Replacement 5. Band Holder Installation (1) Attach the band holder shown in the figure. M 1.4x2.5 . Do not pinch the brake band between band Band holder holder and S reel table. . Do not touch the S reel table with the band S reel table holder.
  • Page 125: T Soft Brake Assembly Replacement

    4-2. Parts Replacement 4-2-9. T Soft Brake Assembly Replacement Overviews Replacement T Soft Brake Assembly Removal T Reel Table Cleaning T Soft Brake Assembly Installation Adjustment after replacement Brake Torque Check Note If the tape has some hunting and slack when rewinding, replace the T soft brake assembly. Preparations 1.
  • Page 126 4-2. Parts Replacement Removal Stop washer 1. T Soft Brake Assembly Removal Brake block (1) Remove the stop washer and the brake block. T soft brake assembly (2) Remove the T soft brake assembly from the brake block. (3) Remove the hook of the tension spring from the T soft brake.
  • Page 127 4-2. Parts Replacement Installation T soft brake assembly installation Stop washer T soft brake assembly 2. T reel Table Cleaning Brake block Clean the contact surface with the brake of the T reel table using a cleaning cloth moistened with cleaning fluid.
  • Page 128: S/T Idler Assembly Replacement

    4-2. Parts Replacement 4-2-10. S/T Idler Assembly Replacement Overviews Replacement Band Holder Removal (Only when replacing the S idler assembly) S or T Idler Assembly Removal Cleaning of the Installation Shaft S or T Idler Assembly Installation Band Holder Installation (Only when replacing the S idler assembly) Notes The S idler and the T idler assemblies are the different part, but the replacement procedures are the same.
  • Page 129 4-2. Parts Replacement Removal Only when replacing the S idler assembly M 1.4x2.5 1. Band Holder Removal (Only when replacing the S idler Band holder assembly) Remove the screw and the band holder. S reel table S reel table Band holder Brake band S idler assembly 2.
  • Page 130 4-2. Parts Replacement 5. Band Holder Installation M 1.4x2.5 (Only when replacing the S idler assembly) Band holder Attach the band holder as shown in the figure. S reel table . Do not pinch the brake band between band holder and S reel table. .
  • Page 131: Swing Gear Assembly Replacement

    4-2. Parts Replacement 4-2-11. Swing Gear Assembly Replacement Overviews Replacement Removal of the Swing Gear Assembly Fixing Screw Mechanical Deck Assembly Removal Swing Gear Assembly Removal Swing Gear Assembly Installation Mechanical Deck Assembly Installation Swing Gear Assembly Fixation Adjustment after replacement Belt tension Adjustment Notes When replacing, remove the mechanical deck assembly from the unit.
  • Page 132 4-2. Parts Replacement Removal M 1.4x2.5 1. Removal of the Swing Gear Assembly Swing gear assembly Fixing Screw (1) Remove a screw. Even if removing the screw, the gear assembly can not be removed from the unit. After carrying out step 2 and removing the me- chanical deck assembly, remove the swing gear as- sembly from the unit.
  • Page 133 4-2. Parts Replacement 2. Mechanical Deck Assembly Removal 100-pin connector (1) Remove the four screws shown in the figure using the hexagon bit. HN-260 board These screws can not be removed due to the drop-safe. (2) Lift up the ornamental bracket of the HN-260 board and disconnect the 100-pin connector that connects to the mother board at the bottom Cassette guide...
  • Page 134 4-2. Parts Replacement 3. Swing Gear Assembly Removal Swing gear aseembly (1) Remove the timing belt which hooks to the swing gear assembly from the back side of the mechanical deck assembly. (2) Remove the swing gear assembly from the top side of the mechanical deck assembly.
  • Page 135 4-2. Parts Replacement 5. Mechanical Deck Assembly Installation (1) Check that the bending portion of the HN holder of the mechanical deck assembly puts in the square hole of the forcement bracket which attaches to the HN-260 board. HN holder Square hole Reinforcement bracket...
  • Page 136 4-2. Parts Replacement 6. Swing Gear Assembly Fixation After checking that the two pins of the mechanical deck assembly put in the two holes of the swing gear assembly, tighten the screw. Adjustment After Replacement 7. Belt Tension Adjustment (Refer to section 4-3-4.) 4-52 DVW-790WS/709WS/707 DVW-790WSP/709WSP/707P P2V1...
  • Page 137: Timing Belt Replacement

    4-2. Parts Replacement 4-2-12. Timing Belt Replacement Overviews Replacement Mechanical Deck Assembly Removal Timing Belt Removal Cleaning of the Pulleys Timing Belt Installation Mechanical Deck Assembly Installation Adjustment after replacement Belt Tension Adjustment Notes When replacing, remove the mechanical deck assembly from the unit. When removing the mechanical deck assembly, take care not to scratch the video heads, drum and other parts.
  • Page 138 4-2. Parts Replacement Removal 100-pin connector 1. Mechanical Deck Assembly Removal (1) Remove the four screws shown in the figure HN-260 board using the hexagon bit. These screws can not be removed due to the drop-safe. (2) Lift up the ornamental bracket of the HN-260 Cassette guide board and disconnect the 100-pin connector Cassette...
  • Page 139 4-2. Parts Replacement 2. Timing Belt Removal Screw (loosen) (1) Loosen the screw of the swing gear assembly. (2) Remove the timing belt. Swing gear assembly Installation 3. Cleaning of the Pulleys Clean the pulleys of the swing gear assembly and capstan motor using a cleaning cloth moistened with cleaning fluid.
  • Page 140 4-2. Parts Replacement 5. Mechanical Deck Assembly Installation (1) Check that the bending portion of the HN holder of the mechanical deck assembly puts in the square hole of the reinforcement bracket which attaches to the HN-260 board. HN holder Reinforcement Square hole bracket...
  • Page 141: Capstan Motor Replacement

    4-2. Parts Replacement 4-2-13. Capstan Motor Replacement Overviews Replacement Manual Eject Assembly Removal Mechanical Deck Assembly Removal Capstan Motor Removal Capstan Motor Installation Mechanical Deck Assembly Installation Manual Eject Assembly Installation Adjustments after replacement Belt tension Adjustment Automatic Servo Adjustment Notes When replacing, remove the mechanical deck assembly from the unit.
  • Page 142 4-2. Parts Replacement Removal 1. Manual Eject Assembly Removal Remove the screw and the manual eject assembly. (Refer to section 4-1-3.) 2. Mechanical Deck Assembly Removal 100-pin connector (1) Remove the four screws shown in the figure HN-260 board using the hexagon bit. These screws can not be removed due to the drop-safe.
  • Page 143 4-2. Parts Replacement 3. Capstan Motor Removal Screw (loosen) (1) Loosen the screw of the swing gear assembly. (2) Remove the timing belt which hooks to the capstan motor pulley. (3) Disconnect the connectors which connect to the board of the capstan motor. (4) While holding the capstan motor by hand, re- move the three screws from the top surface of the mechanical deck assembly and remove the...
  • Page 144 4-2. Parts Replacement 5. Mechanical Deck Assembly Installation (1) Check that the bending portion of the HN holder of the mechanical deck assembly puts in the square hole of the reinforcement bracket which attaches to the HN-260 board. HN holder Reinforcement Square hole bracket...
  • Page 145 4-2. Parts Replacement 6. Manual Eject Assembly Installation (1) Attach the manual eject assembly. (Refer to section 4-1-3.) (2) While pressing down the knob of the manual eject assembly, turn it in the direction or reverse direction of the arrow. When turning it, check that the gears can be correctly engaged and turned. Adjustments After Replacement 7.
  • Page 146: Ctl Head Replacement

    4-2. Parts Replacement 4-2-14. CTL Head Replacement Overviews Replacement Entrance Head Assembly Removal CTL Head Replacement Entrance Head Assembly Installation Entrance Head Assembly Cleaning Adjustments after replacement Tape Running Adjustment Video Tracking Adjustment CTL Head Height Adjustment CTL Head Position Adjustment CUE/TC Head Position Adjustment Preparations 1.
  • Page 147 4-2. Parts Replacement Removal PSW 2x5 1. Entrance Head Assembly Removal CTL-10 board Entrance head assembly (1) Disconnect the connector CN3 on the CTL-10 board. (2) Remove the two screws and the entrance head PSW 2x5 assembly from the unit. Take care not to scratch the video heads, drum, erase head, tape guides and other parts.
  • Page 148 4-2. Parts Replacement Installation CTL head 2. CTL Head Replacement (1) Desolder the two leads from the CTL head. (2) Remove the screw at the back side of the CTL head assembly and the CTL head. (3) Put the boss of CTL bracket in the hole at the bottom of the new CTL head and tighten the screw.
  • Page 149 4-2. Parts Replacement Adjustments After Replacement 5. Tape Running Adjustment (Refer to section 5-1.) 6. Video Tracking Adjustment (Refer to section 5-2.) 7. CTL Head Height Adjustment (Refer to section 5-3.) 8. CTL Head Position Adjustment (Refer to section 5-4.) 9.
  • Page 150: Cue Head Replacement

    4-2. Parts Replacement 4-2-15. CUE Head Replacement Overviews Replacement Manual Eject Assembly Removal Cassette Compartment Removal Gear Block Assembly Removal CUE Head Block Removal CUE Head Replacement CUE Head Block Installation Gear Block Assembly Installation Cleaning of the Head Cassette Compartment Installation Manual Eject Assembly Installation Operation Check Adjustments after replacement...
  • Page 151 4-2. Parts Replacement Preparations 1. Check that the unit is in the unthreading end mode. 2. Turn the power off. 3. Remove the front lid and the outside panel. (Refer to section 1-5 of Maintenance Manual Part 1.) The stop washer has been used together with the CUE head block when attaching the CUE head block. When replacing the CUE head block, prepare a new stop washer (3-726-829-01 or 3-559-408-11).
  • Page 152 4-2. Parts Replacement 4. CUE Head Block Assembly Removal (1) Disconnect the connector CN12 on the HN- PWH 1.4x2.5 260 board. (2) Remove the VH cleaner assembly. CUE head block (Refer to section 4-2-6.) (3) Remove the four screws and the stop washer on the CUE cleaner link and remove the CUE PWH 1.4x2.5 Stop washer...
  • Page 153 4-2. Parts Replacement Installation PWH 1.4x2.5 5. CUE Head Replacement (1) Disconnect the connector CN2 on the CUE-2 board. CUE-2 board (2) Remove the screw and open the CUE-2 board. (3) Remove the two screws at the top of the CUE head block and the CUE head.
  • Page 154 4-2. Parts Replacement 6. CUE Head Block Installation PWH 1.4x2.5 (1) Align the CUE link assembly with the position shown in the figure by hand. CUE head block Longitudinal holes In this way the following steps will easily car- Stop washer ried out.
  • Page 155 4-2. Parts Replacement 7. Gear Block AssembIy InstaIIation (1) While connecting the connector of the tape top PWH 1.4x2.5 sensor that connects to the gear block assem- bly to the connector on the SE-210 board which is attached to the chassis, put the pin of the chassis in the longitudinal hole of the gear Longitudinal hole block assembly and the top of the joint gear...
  • Page 156 4-2. Parts Replacement 10 Manual Eject Assembly Installation Attach the manual eject assembly. (Refer to section 4-1-3.) 11. Operation Check When turning the manual eject gear clockwise and counterclockwise while pressing down it, check that the cleaning roller assembly moves and cleans the CUE head. Adjustments After Replacement 12.
  • Page 157: Reel Table Replacement

    4-2. Parts Replacement 4-2-16. Reel Table Replacement Overviews Replacement Reel Table Removal Reel Shaft Cleaning Reel Table Cleaning Reel Table Installation (1) Reel Table Height Adjustment Reel Table Installation (2) Operation Check Adjustments after replacement FWD Back Tension Adjustment Brake Torque Check Tape Running Adjustment Notes .
  • Page 158 4-2. Parts Replacement Tools . Stop washer fastening tool : J-6323-530-A . FWD back tension measuring cassette tape : J-6323-890-A . Reel table hight gauge : J-6324-150-A . Reel table height gauge : J-7032-610-A . Cassette reference plate (1) : J-6324-170-A .
  • Page 159 4-2. Parts Replacement Installation S/T reel table 2. Reel Shaft Cleaning Bottom (Wiping with a dry Clean the reel shaft using a cleaning cloth moist- Reel shaft (Cleaning) cleaning cloth.) ened with cleaning fluid. Brake band 3. Reel Table Cleaning contact surface (1) Clean the contact surfaces of the reel table (Cleaning)
  • Page 160 4-2. Parts Replacement 6. Reel Table Installation (2) S Reel table installation S reel table (1) Put the remaining poly washer (s) in the step 5 to the S reel shaft. Band holder Flange (2) Attach the S reel table using the new stop wah- ser 1.2.
  • Page 161: Pinch Arm Assembly Replacement

    4-2. Parts Replacement 4-2-17. Pinch Arm Assembly Replacement Overviews Replacement Pinch Arm Assembly Removal Installing Shafts Cleaning Applying Oil to Installing Shafts Pinch Arm Assembly Installation Pinch Roller Cleaning Adjustment after replacement Tape Running Adjustment Note Replacement of pinch arm assembly requires two new stop washers and the E-ring. When replacing the real table, prepare two new stop washers and the E-ring.
  • Page 162 4-2. Parts Replacement Removal Stop washers 1.2 1. Pinch Arm Assembly Removal (1) Remove the three stop washers 1.2 and the E- E-1.2 ring using a pair of the tweezers (or equiva- lent). (2) Turn and lift out the stopper link assembly in the direction of the arrow as shown in the fig- ure.
  • Page 163 Pinch arm assembly Clean the two installing shafts using a cleaning cloth moistened with cleaning fluid. 3. Applying Oil to Installing Shafts Apply 1/2 drop of Sony oil to the two installing shafts. Installing shaft (After cleaning, apply oil.) Cam gear shaft Installing shaft (After cleaning, apply oil.)
  • Page 164 4-2. Parts Replacement 4. Pinch Arm Assembly Installation Torsion spring (1) Take the form of the pinch arm assembly as Shaft hole shown in the figure. Shaft hole (Attach the cam gear shaft.) Hook Shaft hole (2) Put the two installing shafts of the mechanical chassis assembly in the two holes on the pinch Stop washers 1.2 arm assembly 2 to 3 mm.
  • Page 165: Sensor (A) Detection Pin Replacement

    4-2. Parts Replacement 4-2-18. Sensor (A) Detection Pin Replacement Overviews Replacement Sensor Cover (A) Removal Detection Pins Installation Sensor Cover (A) Installation Operation Check Preparations 1. Turn the power off. 2. Remove the front lid and the outside panel. (Refer to section 1-6 of Maintenance Manual Part 1.) .
  • Page 166 4-2. Parts Replacement Installation Detection pins 2. Detection Pins Installation Attach the detection pins to the sensor cover (A) in the direction of the arrow shown in the figure. Detection When attaching the sensor cover (A), to prevent pins from the falling, it recommends that the adhesive tape is put on the position shown in the figure.
  • Page 167: Sensor (B) Detection Pin Replacement

    4-2. Parts Replacement 4-2-19. Sensor (B) Detection Pin Replacement Overviews Replacement Sensor Cover (B) Removal Detection Pins Installation Sensor Cover (B) Installation Operation Check Preparations 1. Turn the power off. 2. Remove the front lid and the outside panel. (Refer to section 1-6 of Maintenance Manual Part 1.) 3.
  • Page 168 4-2. Parts Replacement Installation Detection 2. Detection Pins Installation pins Attach the detection pins to the sensor cover (B) in the direction shown in the figure. When attaching the sensor cover (B), to prevent from the falling, it recommends that the adhesive Sensor cover (B) tape is put on the position shown in the figure.
  • Page 169: Tension Regulator Arm Assembly Replacement

    4-2. Parts Replacement 4-2-20. Tension Regulator Arm Assembly Replacement Overviews Replacement Brake Band Removal Tension Regulator Arm Assembly Removal Tension Regulator Arm Assembly Installation Brake Band Installation Tension Regulator (S4) Guide Cleaning Adjustments after replacement Tension Regulator Operating Position Adjustment FWD Back tension Adjustment Tape Running Adjustment Note...
  • Page 170 4-2. Parts Replacement Removal Cassette guide 1. Brake Band Removal Tension regulator arm (1) Remove the stop washer on the tension regula- Stop washer 1.2 Brake tor arm using a pair of tweezers (or equiva- band lent). hook When removing, do not press the excessive force to the tension regulator arm.
  • Page 171 4-2. Parts Replacement Installation 3. Tension Regulator Arm Assembly Installation (1) Attach the tension regulator arm assembly using the two screws. (2) Re-hook the removed spring in the step 2 (1) to its original positions. 4. Brake Band Installation (1) Put the hook of the brake band in the shaft of the tension regulator arm. (2) Attach the stop washer while supporting the arm by finger.
  • Page 172: Replacement Of The Component Parts Of The Threading Link Block

    4-2. Parts Replacement 4-2-21. Replacement of the Component Parts of the Threading Link Block Overviews Replacement Cassette Guide Removal Video Head Cleaner Removal Brush Assembly Connector Disconnection Drum Assembly Removal Band Holder Removal Tension Regulator Arm Assembly Removal Pinch Arm Assembly Removal Drawing Arm Removal Driving Gear Removal Catcher S Removal...
  • Page 173 4-2. Parts Replacement Notes . When attaching the pinch arm assembly, S and T sliders, prepare the new E-ring E-ring 1.2 : 7-624-101-01 (Use the one E-ring for the one part replacement.) . When attaching the pinch arm assembly and the driving gear, prepare the new four stop washers. Stop washer 1.2 : 3-726-829-01 (4 pieces are used.) Preparations 1.
  • Page 174 4-2. Parts Replacement Removal Cassette guide 1. Cassette Guide Removal PWH 1.4x2.5 Removal the two screws and the cassette guide. 2. Video Head Cleaner Removal (1) Turn the manual eject assembly clockwise so that the HC roller of the video head cleaner re- leases from the drum.
  • Page 175 4-2. Parts Replacement 6. Tension Regulator Arm Assembly Removal PWH 1.4x2.5 Remove the tension regulator arm assembly. (Refer to section 4-2-20.) Adjustment screw Catcher S Stop washer 1.2 7. Pinch Arm Assembly Removal Remove the pinch arm assembly. Drawing arm (Refer to section 4-2-17.) 8.
  • Page 176 4-2. Parts Replacement 11. Threading Link Assembly Removal (1) Remove the nine screws shown in the figure. PWH 1.4x2.5 PWH 1.4x2.5 PWH 1.4x2.5 (2) Because the tip of the T rail is installed under the catcher T, remove the threading link as- sembly while inclining.
  • Page 177 4-2. Parts Replacement 12. Slider Removal (The procedures for removing the S E-1.2 side slider are the same as for removing the T side one.) S slider (1) Pull out the slider and remove the E-ring from the back. (2) Pull out the slider from the end of the rail. E-1.2 Handle the removed slider with care.
  • Page 178 4-2. Parts Replacement 13. Threading Gear Assembly Removal (The procedures for removing the S PWH 1.4x2.5 side threading gear are the same as PWH 1.4x2.5 for removing the T side one). (1) Remove the flange portion at the link shaft of S rail Rail the threading gear assembly while opening the...
  • Page 179 4-2. Parts Replacement Installation PWH 1.4x2.5 14. Threading Gear Assembly Installation S threading gear assembly installation S rail (1) Attach the S threading gear assembly to the Marks threading base while aligning the mark of the S threading gear as shown in the figure. (2) Attach the rail using the two screws.
  • Page 180 4-2. Parts Replacement (2) Align the mark (notch) of the T threading gear with the mark (hole) of the ST driving gear as Mark (ø0.8 hole) shown in the figure. (3) Attach the rail using the two screws. (4) Put the flange portion at the link shaft of the T threading gear assembly in the rail while open- ST driving gear ing the groove of the rail.
  • Page 181 4-2. Parts Replacement (3) Turn the ST driving middle gear by finger and check that the slider moves smoothly. S silder T silder Hole ST drivng middle gear 16. Threading Link Assembly Installation (1) Put the screw (2x10) in the hole shown in the Boss figure.
  • Page 182 4-2. Parts Replacement (3) Put the tip of the T rail under the catcher T. (4) Align the boss (A) and the hole, and the notch M 2x10 (B) and the boss as shown in the figure. Attach the threading link assembly to the mechanical ST driving middle gear chassis.
  • Page 183 4-2. Parts Replacement 18. Driving Gear Installation (1) Align the hole of the drive gear and the hole Stop washer 1.2 (A) on the mechanical chassis and put the drive gear to the shaft. Drive gear (2) Attach the drive gear using the new stop wash- er 1.2.
  • Page 184 4-2. Parts Replacement 21. Tension Regulator Arm Assembly S reel table Installation Attach the tension regulator arm assembly. Frange (Refer to section 4-2-20.) Band holder 22. Band Holder Installation Tension regulator Attach the band stopper using one screw. band Gear Tension regulator band Band holder S reel table...
  • Page 185 4-2. Parts Replacement 24. Connection the Brush Assembly Connector Connect the connector to the brush assembly board. 25. Video Head Cleaner Installation Put the video head cleaner bracket of the video head cleaner onto the surface of the unit using a pair of tweezers and tighten the screw.
  • Page 186: Replacement Of Loading Motor

    4-2. Parts Replacement 4-2-22. Replacement of Loading Motor Overviews Replacement Manual Eject Assembly Removal Casette Compartment Removal Gear Block Assembly Removal Motor Removal Pinion Gear Removal Pinion Gear Installation Motor Installation Gear Block Assembly Installation Cassette Compartment Installation Preparations 1. Check that unit is in the unthreading end mode. 2.
  • Page 187 4-2. Parts Replacement Removal PWH 1.4x2.5 1. Manual Eject Assembly Removal Remove the screw and the manual eject assembly. (Refer to section 4-4-1.) Gear block assembly 2. Cassette Compartment Removal Remove the three screws and the cassette compart- Connector ment. (Refer to section 1-8 of Maintenance Manual (Tape top sensor) Part 1.) 3.
  • Page 188 4-2. Parts Replacement 5. Pinion Gear Removal Remove the two pinion gears by pushing it out Tweezers with the tip of a pair of tweezers, etc. . Motor 4-104 DVW-790WS/709WS/707 P2V1 DVW-790WSP/709WSP/707P P2V1...
  • Page 189 4-2. Parts Replacement Installation Back of tweezers 6. Pinion Gear Installation (1) Place the pinion gears removed at step 5 on a solid and flat board and set the end of the shaft axially. Take note of the direction of the pinion gears. Set the end of the shaft axially.
  • Page 190 4-2. Parts Replacement 7. Motor Installation Attach the motor unsig the two screws. The standard tightening torque value : 21 x 10 N.m {2.1 kgf.cm} 8. Gear Block Assembly Installation PWH 1.4x2.5 (1) While connecting the connector of the tape top sensor theat connects to the rear block assem- bly to the connector on the SE-275 board which is attached to the chassis, put the pin of...
  • Page 191: Replacement Of Fe Head

    4-2. Parts Replacement 4-2-23. Replacement of FE Head Overviews Replacement Entrance Head Assembly Removal FE Head Removal Harness Removal Harness Soldering FE head Installation Entrance Head Assembly Installation Adjustment after replacement Tape Running Adjustment Preparations 1. Check the unthreading end mode. 2.
  • Page 192 4-2. Parts Replacement Removal DVW-707: 10001 through 10055 DVW-707P: 40001 through 40190 DVW-709WS: 10001 through 10125 DVW-709WSP: 40001 through 40255 DVW-790WS: 10001 through 10160 DVW-790WSP: 40001 through 40510 1. Entrance Head Assembly Removal (1) Remove the harness shown in the figure. PSW 2x5 (2) Remove the two screws and remove the en- CTL-10 board...
  • Page 193 4-2. Parts Replacement 2. FE Head Removal DVW-707: 10001 through 10055 DVW-707P: 40001 through 40190 Remove the one screw and remove the FE head. DVW-709WS: 10001 through 10125 DVW-709WSP: 40001 through 40255 DVW-790WS: 10001 through 10160 DVW-790WSP: 40001 through 40510 FE head M 2x5 DVW-707:...
  • Page 194 4-2. Parts Replacement 3. Harness Removal DVW-707: 10001 through 10055 DVW-707P: 40001 through 40190 Desolder and remove the harness. DVW-709WS: 10001 through 10125 DVW-709WSP: 40001 through 40255 DVW-790WS: 10001 through 10160 DVW-790WSP: 40001 through 40510 4. Harness Soldering Attach the harness removed at step 3 with solder to the new FE head.
  • Page 195 4-2. Parts Replacement Installation DVW-707: 10001 through 10055 DVW-707P: 40001 through 40190 DVW-709WS: 10001 through 10125 DVW-709WSP: 40001 through 40255 DVW-790WS: 10001 through 10160 DVW-790WSP: 40001 through 40510 5. FE Head Installation Insert two bosses of the FE head into the longitudi- nal hole of the entrance head assembly, and tighten the one screw.
  • Page 196: Replacement Of Tape Cleaner

    4-2. Parts Replacement 4-2-24. Replacement of Tape Cleaner . Tape cleaner is not installed in the product having following serial numbers and higher. DVW-707 : 10056 and higher DVW-707P : 40191 and higher DVW-709WS : 10126 and higher DVW-709WSP : 40256 and higher DVW-790WS : 10161 and higher DVW-790WSP : 40511 and higher .
  • Page 197: Replacement Of Tape Guide

    4-2. Parts Replacement 4-2-25. Replacement of Tape Guide Overviews Replacement Tape Guide Removal Tape Guide Installation Adjustment after replacement Tape Guide Height Adjustment Tape Running Adjustment Notes . The tape guides of the unit have different shapes but their parts are replaced in the same way. .
  • Page 198 4-2. Parts Replacement Installation Locking screw 2. Tape Guide Installation (1) Pass the compression coil spring through the Upper flange guide shaft. (2) Pass the lower flange through the guide shaft. (3) Pass the roller assembly through the guide Roller shaft.
  • Page 199 4-2. Parts Replacement Adjustment After Replacement Specification1: (A) S5 guide and T3 guide 3. Tape Guide Height Adjustment The tape should run without touching the upper and lower flanges. (See the figure.) (1) Set a tape (any available on the market) into the PLAY state and adjust the height of the S5/T3 guide tape guide so that it satisfies specification 1.
  • Page 200 4-2. Parts Replacement (2) While holding the screwdriver so that the up- per flange does not rotate, set the torque screwdriver against the plus screw of the lock Upward knob shown in the figure and tighten the lock- ing screw. The standard tightening torque value : 9 x 10 N.m {0.9 kgf.cm}...
  • Page 201: Mechanical Deck Replacement

    4-2. Parts Replacement 4-2-26. Mechanical Deck Replacement 100P connector 1. Removing the Mechanical Deck HN-260 board (1) Remove the outside panel. (2) Remove the four screws and remove the me- chanical deck. Cassette guide Cassette Screws compartment (with drop-safe) Screws Mechanical deck (with drop-safe) assembly...
  • Page 202: Mechanical Adjustment

    4-3. Mechanical adjustments 4-3. Mechanical Adjustment 4-3-1. Tension Regulator Operating Position Adjustment Note When replacing the S brake assembly or S reel table assembly, be sure to carry out tension regulator operat- ing position adjustment. Preparations 1. Check that the unit is in the unthreading end mode. 2.
  • Page 203 4-3. Mechanical Adjustments Check Push switch (cassette in switch) 1. Mode Selection Switches of sensor (A) Switches of (1) Turn the power on. sensor (A) (2) Interrupt the photo interrupter (cassette com- partment lock switch) mounted on the SE-210 board using a black paper or equivalent. (3) Press the push switch (cassette in switch) mounted on the SE-210 board by finger.
  • Page 204: Fwd Back Tension Adjustment

    4-3. Mechanical adjustments 2. Tension Regulator Operating Position Tepe end sensor Check Tension regulator Check that the position of the boss on the tension S4 tape guide regulator shown in the figure satisfies the follow- Brake band ing specification. Specification : The boss is positioned between the outer circumference of the boss touches the elongation line of the edge portion of tape end...
  • Page 205 4-3. Mechanical Adjustments 4-3-2. FWD Back Tension Adjustment Note When replacing the brake band assembly or S reel table assembly, or carrying out the tension regulator operating position adjustment, be sure to carry out FWD back tension adjustment. Preparations 1. Check that the unit is in the unthreading end mode. 2.
  • Page 206 4-3. Mechanical adjustments Check FWD back tension measuring Cassette compartment cassette tape 1. REC Mode Setting Insert a FWD back tension measuring cassette tape, and put into the recording mode. 2. FWD Back Tension Check Check that the value of the FWD back tension measuring cassette tape at the S side satisfies the specification.
  • Page 207: Brake Torque Check

    4-3. Mechanical Adjustments 4-3-3. Brake Torque Check Note When replacing the T soft brake assembly or T reel table assembly, be sure to carry out brake torque check. Preparations 1. Check that the unit is in the unthreading end mode. 2.
  • Page 208 4-3. Mechanical adjustments Check FWD back tension measuring cassette tape T side 1. Setting (1) Insert the FWD back tension measuring cas- sette tape. (2) Select the dip switch S1-1 on the HN-260 board to the ON. In this way the red LED will light up. (3) Press the switch S3 on the HN-210 board 10 times.
  • Page 209: Belt Tension Adjustment

    4-3. Mechanical Adjustments 4-3-4. Belt Tension Adjustment Note When replacing the swing gear assembly, capstan motor or timing belt, be sure to carry out belt tension adjustment. Preparations 1. Check that the unit is in the unthreading end mode. 2. Remove the front lid and the outside panel. (Refer to section 1-6 of Maintenance Manual Part 1.) Tools .
  • Page 211: Tape Path Adjustment

    Section 5 Tape Path Adjustment Index 1. Location of Tape Path System Drum Entrance Side (Unthreading End Mode) DVW-707 : 10001 through 10055 DVW-707 : 10056 and higher DVW-709WS : 10001 through 10125 DVW-709WS : 10126 and higher DVW-790WS : 10001 through 10160 DVW-790WS : 10161 and higher DVW-707P : 40001 through 40190...
  • Page 212 5. Tape Path Adjustment 2. Note . About cassette compartment Carry out the tape path adjustment in the state that the cassette compartment is attached to the unit. 3. Preparations (1) Turn the power off. (2) Remove the front lid and the outside panel. (Refer to Maintenance Manual Part1 section 1-6.) (3) Clean the following items using a cleaning cloth moistened with cleaning fluid.
  • Page 213: Tape Running Adjustment

    5-1. Tape Running Adjustment 5-1. Tape Running Adjustment Notes . When carrying out the tape running adjustment after replacing the part of the tape path system, first carry out the checks and adjustments of the tape running using a Digital Betacam cassette tape BCT-D40. Next carry out the checks and fine adjustments of the tape running using an alignment tape ZR2-1/P.
  • Page 214 5-1. Tape Running Adjustment 2. F FWD Mode (Fast forward at tape top) Cleaning blade Tape runs in contact with Tape runs in contact with Enter the F FWD mode at the tape top of ZR2-1/P the upper flange. the upper flange. (from 5 minute to 10 minute segment).
  • Page 215 5-1. Tape Running Adjustment 5. REV Mode (Rewind at tape end) Specifications 2: (1) Set the dip switch S1-1 on the HN-260 board Upper flange of the S2 guide to ON. Tape runs without any curl. If tape curl occurs by all means, 1/10 or less of a tape width is The red LED will light up.
  • Page 216 5-1. Tape Running Adjustment Adjustments 8. S2, Tension Regulator and S5 Guides Height Adjustment Tape guide adjustmnet screwdriver (1) Enter the PLAY mode at the tape top of ZR2- 1/P (from 5 minute to 10 minute segment). (2) Loosen the set screws at the top of the guides using the tape guide adjustment screwdriver.
  • Page 217 5-1. Tape Running Adjustment Drum Exit Side Drum Exit Side (Threading End Mode) Checks T2 tape guide CUE/TC head 1. PLAY Mode (Playing back the tape top) Capstan T1 tape guide Enter the play mode at the tape top of ZR2-1/P T drawer guide (from 5 minute to 10 minute segment).
  • Page 218 5-1. Tape Running Adjustment 5. REV Mode (Rewind at tape end) Specifications 5: (1) Set the dip switch S1-1 on the HN-260 board T2 guide to ON. Tape runs in contact with the upper flange. If tape curl occurs by all means, 1/10 or less of a tape width is The red LED will light up.
  • Page 219 5-1. Tape Running Adjustment 8. Tape Running Check Around the CUE/TC head Capstan Shaft (1) Enter the REW mode at tape end of BCT- D40 (from 30minute to 40 minute). After 2 Capstan or 3 seconds, enter the F FWD mode. When changing the mode, check that the tape running conditions satisfy the specifica- T3 tape guide...
  • Page 220 5-1. Tape Running Adjustment Adjustments 9. T2 and T3 Guides Height Adjustment (1) Enter the PLAY mode at the tape top of ZR2-1/P (from 5 minute to 10 minute segment). (2) Loosen the set screws at the top of theguides using the tape guide adjustment screwdriver. Turn the upper flanges of the guides, and adjust the heights of the guides so that satisfy the specifications 4 to Reference for adjustment If case that the specification is not satisfied when REVx1 mode...
  • Page 221: Video Tracking Adjustment

    5-2. Video Tracking Adjustment 5-2. Video Tracking Adjustment Notes . Tighten the screws at the top of the tape guides to the following tightening torque. 9 x 10 N.m (0.9 kgf.cm) . After this adjustment, be sure to check the tape running adjustment. After checking, put a locking compound to the screws at the top of each tape guide.
  • Page 222 5-2. Video Tracking Adjustment Checks <PLAY Mode> 1. PLAY Mode (1) Set the switch S1-2 on the HN-260 board to A’ C’ C A B B’ The tracking control becomes operable with this setting. Spec1.: B x100>80% (Drum at entrance side) (2) Play back the ZR2-1/P (from 00 minute to 15 minute segment).
  • Page 223 5-2. Video Tracking Adjustment REV search mode Press the REW button after pressing the PLAY mode. (The PLAY and REW buttons on the keyboard light up.) (4) When repeating the mode change from the STOP mode to PLAY mode 2 or 3 times, check that the RF waveform during PLAY mode is the same as the pre-PLAY mode, and satisfies the specifications 1.
  • Page 224 5-2. Video Tracking Adjustment 4. Video Tracking Re-check Perform the steps 1 and 2 of the check procedures and re-check the video tracking. 5. Tape Running Check Check the tape running condition (drum entrance side) according to section 5-1. After adjustment, be sure to set the switch S1-2 on the HN-260 board to the OFF.
  • Page 225 5-2. Video Tracking Adjustment 7. Video Tracking Re-check Perform the steps 1 and 2 of the check procedures and re-check the video tracking. 8. Tape Running Check Check the tape running condition (drum exit side) according to section 5-1. After adjustment, be sure to select the switch S1-2 on the HN-260 board to the OFF. Checks and Adjustments After Adjustment 9.
  • Page 226: Ctl Head Height Adjustment

    5-3. CTL Head Height Adjustment 5-3. CTL Head Height Adjustment Tools . TP tool : J-6420-910-A . Alignment tape, ZR2-1 (NTSC) : 8-960-073-11 . Alignment tape, ZR2-1P (PAL) : 8-960-073-61 . Box screwdriver . Oscilloscope Setting 1. Turn the power on. 2.
  • Page 227 5-3. CTL Head Height Adjustment Checks CTL head Height adjusting nut 1. Play Back Play back ZR2-1/P. 2. CTL Head Height Check (1) When pressing down the portion A of the tape shown in the figure, check that the level decreases.
  • Page 228: Ctl Head Position Adjustment

    5-4. CTL Head Position Adjustment 5-4. CTL Head Position Adjustment Notes . The CTL head position adjustment is closely related to the CUE/TC head position adjustment. . After carrying out the CTL head position adjustment, be sure to carry out the CUE/TC head position check.
  • Page 229 5-4. CTL Head Position Adjustment Checks Marker 1. Play Back Play back ZR2-1/P (from 00 minute to 15 minite segment). RF waveform (CH-1) 2. CTL Head Position Check (1) Set the switch S1-2 on the HN-260 board to CTL pulse (CH-2) The tracking control becomes operable with this setting.
  • Page 230: Cue Head Height Adjustment

    5-5. CUE Head Height Adjustment 5-5. CUE Head Height Adjustment Notes . The CUE head height adjustment is closely related to the azimuth, zenith and position adjustments of the CUE head. . After carrying out the CUE head height adjustment, be sure to carry out the other adjustments or checks of the CUE head.
  • Page 231 5-5. CUE Head Height Adjustment Checks CUE head assembly 1. Play Back CUE/TC head Height adjusting Play back ZR2-1/P (from 00 minute to 15 minute segment). 2. CUE Head Height Check (1) When pressing down the portion A of the tape shown in the figure, check that the level decreases.
  • Page 232 5-5. CUE Head Height Adjustment Adjustments 3. CUE Head Height Adjustments . If the level increases when pressing down the tape. Turn the height adjusting nut counterclockwise and adjust so that the output waveform is the maximum. . If level increases when pushing up the tape. Turn the height adjusting nut clockwise and adjust so that the output waveform is the maximum.
  • Page 233: Cue Head Azimuth Check

    5-6. CUE Head Azimuth Check 5-6. CUE Head Azimuth Check Notes . The check whether the CUE head azimuth is correctly adjusted or not is extremely difficult from the point of the tape running system. Do not perform this check, but adjust the CUE head azimuth according to the following procedures. .
  • Page 234 5-6. CUE Head Azimuth Check Checks CUE head assembly Azimuth adjusting screw 1. Play Back Play back ZR2-1/P (from 15 minute to 25 minute segment). 2. CUE Head Azimuth Check (1) Turn the azimuth adjusting screw clockwise or counterclockwise so that the output waveform is the maximum.
  • Page 235: Cue Head Head-To-Tape Contact Adjustment

    5-7. CUE Head Head-to-tape Contact Adjustment 5-7. CUE Head Head-to-tape Contact Adjustment Notes . The CUE head head-to-tape contact adjustment is closely related to the height, azimuth and position adjustments of the CUE head. . After carry out the CUE head head-to-tape contact adjustment, be sure to carry out the adjustments or checks of the CUE head.
  • Page 236 5-7. CUE Head Head-to-tape Contact Adjustment Checks Head installing screws 1. Play Back Play back ZR2-1/P (from 15 minute to 25 minute segment). 2. CUE Head Head-to-tape Contact Check (1) Press lightly the portions A and B of the tape Head swing shown in the figure.
  • Page 237: Cue/Tc Head Position Adjustment

    5-8. CUE/TC Head Position Adjustment 5-8. CUE/TC Head Position Adjustment Notes . Before this adjustment, be sure to finish the CTL head position adjustment. The CUE/TC head position adjustment is performed as the standard position of the CTL head. . The CUE/TC head position adjustment closely related to the height, azimuth and head-to-tape contact adjustments of the CUE head.
  • Page 238 5-8. CUE/TC Head Position Adjustment Adjustments 1. Play Back Play back ZR2-1/P (from 00 minute to 15 minute segment). 2. CUE/TC Head Position Check Fixing screws CUE head bracket (1) Check that the positional relation of the Notch falling edge of the CTL pulse, and the rising edge of the TC signal satisfy the specifica- tion.
  • Page 239 5-8. CUE/TC Head Position Adjustment 5. CUE Head Azimuth Adjustment Refer to section 5-6. 6. CUE Head Head-to-tape Contact Check Refer to section 5-7. 7. CUE Head Height Check Refer to section 5-5. 8. CUE/TC Head Position Re-check Re-check according to the steps 1 and 2. 5-29 DVW-790WS/709WS/707 DVW-790WSP/709WSP/707P P2V1...
  • Page 240: Cue Output Level Check

    5-9. CUE Output Level Check 5-9. CUE Output Level Check Tools . Alignment tape, ZR2-1 (NTSC) : 8-960-073-11 . Alignment tape, ZR2-1P (PAL) : 8-960-073-61 . TP tool : J-6420-910-A . Oscilloscope Setting 1. Turn the power off. 2. Connect the 8-pin connector of the TP tool to the connector CN7 on the HN-260 board.
  • Page 241: Vtr System Alignment

    DATA DISPLAY switch U-BIT DISPLAY switch Tools and fixtures . Alignment tape (ZR5-1 for NTSC, ZR5-1P for PAL) [Rear panel] Sony part No. : 8-960-073-01 for ZR5-1 AUDIO IN CH-1 LINE/MIC switch LINE 8-960-073-51 for ZR5-1P AUDIO IN CH-2 LINE/MIC switch LINE .
  • Page 242: Power System Adjustment

    6-2. Power System Adjustment 6-2. Power System Adjustment Check Procedure 6-2-1. Battery End Detection Voltage 1. Enter the STOP mode. Adjustment 2. Turn the POWER switch off and back on. Preparation 3. Enter the REC mode. . Connect as follows. 4.
  • Page 243: Servo System Adjustment

    6-3. Servo System Adjustment 6-3. Servo System Adjustment Setting upon Completion of Adjustment 6-3-1. Automatic Servo Adjustment . S1-1 (HN-260 board) . S1-2 (HN-260 board) Preparation . SI-1 (HN-260 board) ON (Default setting: OFF) . SI-2 (HN-260 board) OFF (Default setting: OFF) Adjustment Procedure 1.
  • Page 244: Automatic Pg Phase Adjustment

    6-3. Servo System Adjustment 6-3-2. Automatic PG Phase Adjustment 6-3-3. MANUAL PG Phase Adjustment Note Preparation Perform the MANUAL PG Phase Adjustment only when . S1-1, S1-2 TEST (ON) Section “6-3-2. Automatic PG Phase Adjustment” does not end with success by all means. (UDR-9 board) (Default setting : REC (OFF)) .
  • Page 245: Audio System Adjustment

    6-3. Servo System Adjustment 6-4. Audio System Adjustment 6-4. Audio System Adjustment 5. Press S2 (HN-260 board). 6-4-1. D/A Level Adjustment 6. Press S3 (HN-260 board). (The adjustment data is saved.) Preparation Setting upon Completion of Adjustment . S601 (TC-101 board) OFF (CUE ON/OFF) .
  • Page 246: Output Limiter Adjustment

    6-4. Audio System Adjustment 6-4-2. Output Limiter Adjustment 6-4-3. AGC Level Adjustment Preparation Preparation . S602 (TC-101 board) . AUDIO SELECT CH1 switch (inside panel) AUTO . AUDIO IN CH1 switch (inside panel) ON (CH-1 OUTPUT LIMITER ON) REAR . AUDIO IN CH1 LINE/MIC switch (rear panel) (default setting: ON) LINE .
  • Page 247: Cue Playback Level Adjustment

    6-4. Audio System Adjustment 6-4-4. CUE Playback Level Adjustment Setting upon Completion of Adjustment S601 (TC-101 board) Preparation S601 (TC-101 board) ON (CUE ON) (Default setting: OFF) RV4 RV3 RV2 Adjustment Procedure 1. Insert the alignment tape (ZR5-1/1P) and playback the 1 kHz, 0 VU signal.
  • Page 248: Cue Recording Level Adjustment

    6-4. Audio System Adjustment 6-4-6. CUE Recording Level Adjustment 7. Insert a work tape (BCT-D40), and record the signal for 10 seconds. Preparation 8. Play back the recorded segment with the standard play- [Inside panel] er, and check that the specification is satisfied. : +4.0 2.5 dBm (at 600 Z loads) AUDIO SELECT CH-1 switch...
  • Page 249: Video System Adjustment

    6-5. Video System Adjustment 6-5. Video System Adjustment 6-5-1. Preparation 1. S4-1 (DCP-17 board) ON (default setting: OFF) 2. S20-4 (DVP-17 board) ON (default setting: OFF) 3. Turn on the main power. 4. MENU ON/OFF/PAGE switch (inside panel) 5. Operate the rotary encoder (front panel) to open the page of <S56*VTR ADJ.>...
  • Page 250: Recording Current Automatic Adjustment

    6-5. Video System Adjustment 6-5-2. Playback Equalizer Automatic Confirmation Procedure Adjustment 1. Play back the alignment tape (ZR5-1/1P). Preparation 2. Check that the CONDITION display of the ERROR . “6-5-1 Preparation” must have already been completed. RATE item shows the following status. Adjustment Procedure S56*VTR ADJ.
  • Page 251 6-5. Video System Adjustment 6-5-3. Recording Current Automatic Confirmation Procedure Adjustment 1. Record the color bar signal on a work tape (BCT-D40) Precaution and play back. (About 30 seconds) This adjustment is valid only when the playback equalizer adjustment has been successfully completed. 2.
  • Page 253: Camera System Electrical Alignment (Only For Dvw-790Ws/790Wsp/709Ws/709Wsp)

    . Waveform/Vector monitor Tektronix 1780R/1751 or equivalent 7-1-1. Note for Adjustment . Color Monitor Sony BVM-1410/1411P or equivalent . Black and white monitor Before adjustment, set the main POWER switch to on and . Pattern box (PTB-500, 90 - 240 Vac) the VTR switch to SAVE, then warm up the camcorder for about 10 minutes.
  • Page 254 7-1. General Information for Electrical Adjustment Initial Setting Before performing adjustment, set switches as follows, If the setting of the GAIN switch is changed from the factory set value, reset it to its original value by referring to the operation manual. Inside panel : VTR SAVE/STBY switch STBY...
  • Page 255: Maintaining The Grayscale Chart

    7-1. General Information for Electrical Adjustment 7-1-4. Maintaining the Grayscale Chart For the VA gain adjustment, using an 89.9 %-reflective grayscale chart is preferable. If a reflective chart is not available, use a well-maintained pattern box and a transparent grayscale chart for adjustment.
  • Page 256 7-1. General Information for Electrical Adjustment Setting Illumination (when the reflective chart is used) Equipment: Illuminance meter (Calibrated) 1. Turn on the light source and warm up for about 30 minutes. 2. Place the illuminance meter on the chart surface. Adjust the position and angle of the light source so that the whole surface of the chart is evenly 2000 lx.
  • Page 257: Vco Cont Frequency Check

    7-2. VCO CONT Frequency Check 7-2. VCO CONT Frequency Check Note . Conduct this check when the TG-207/207P, ES-23/23P boards or CCD block is only replaced. . Before measurement, turn the power ON and warm up the camcorder for about 10 munites. Preparation .
  • Page 258: Ad Clock Phase Adjustment

    7-3. AD Clock Phase Adjustment 7-3. AD Clock Phase Adjustment Adjustment Procedure 16:9 mode Note Equipment : Waveform monitor Conduct this check when the CCD block or DCP-17 board Test point : VIDEO OUT connector is only replaced. 1. Select the 16:9 mode. PAGE : S14*WIDE SCREEN Preparation...
  • Page 259: Enc Out Adjustment

    7-4. ENC OUT Adjustment 7-4. ENC OUT Adjustment 6. On the setup menu, adjust as follows. PAGE : S23*LEVEL 6 7-4-1. ENC Level Adjustment ITEM : ENC Y SETUP : E = 7.5 ± 0.5 IRE (NTSC) 16:9 and 4:3 modes Spec.
  • Page 260: Chroma Adjustment

    7-4. ENC OUT Adjustment 7-4-2. Chroma Adjustment 6. On the setup menu, adjust as follows. 16:9 and 4:3 modes (PAL : Check only) PAGE : S22*LEVEL 5 Preparation ITEM : BURST LEVEL : A = 40 ±1 IRE (NTSC) OUTPUT/DCC switch (inside panel) BARS Spec.
  • Page 261: Int Sc Phase Adjustment

    7-4. ENC OUT Adjustment 7-4-3. INT SC Phase Adjustment 13. On the setup menu, adjust as follows. PAGE : S39*SG ADJ. ITEM : H BLANKING WIDTH Note : D = 10.9 ± 0.2 us (NTSC) Spec. The following adjustment procedures are described under D = 12.0 ±...
  • Page 262: Test Out Level Adjustment

    7-5. TEST OUT Level Adjustment 7-5. TEST OUT Level Adjustment 6. On the setup menu, adjust as follows. 16:9 and 4:3 mode PAGE : S23*LEVEL 6 ITEM : RGB LEVEL <4:3> Preparation : C = 100 ± 2 IRE (NTSC) Spec.
  • Page 263: Modulator Balance Adjustment

    7-6. Modulator Balance Adjustment 7-6. Modulator Balance Adjustment Preparation . WHITE BAL switch (inside panel) PRST . OUTPUT/DCC switch (inside panel) CAM/ON . MENU ON/OFF/PAGE switch (inside panel) Adjustment Procedure 1. AUTO W/B BAL switch (front panel) Hold this switch in BLK state untilthe message “_MOD BAL_”...
  • Page 264: Test Saw Adjustment

    7-7. TEST SAW Adjustment 7-7. TEST SAW Adjustment Setting After Adjustment . On the setup menu, set as follows. Preparation PAGE : S12*FUNCTION 1/2 . OUTPUT/DCC switch (inside panel) CAM/ON ITEM : GAMMA . WHITE BAL switch (inside panel) PRST ITEM : TEST SAW ITEM...
  • Page 265: R/B Ad Gain Adjustment

    7-8. R/B AD Gain Adjustment 7-8. R/B AD Gain Adjustment 4. Make sure that the carrier leakage at portion B is not observed. Note . This adjustment is needed only when the AD board or the VA board is replaced. Do not make any attempt to touch on this adjustment in any other cases.
  • Page 266: Va Gain Adjustment

    7-9. VA Gain Adjustment 7-9. VA Gain Adjustment 5. On the setup menu, set as follows. PAGE : S12*FUNCTION 1/2 16:9 mode ITEM : TEST OUT Note ITEM : GAMMA . Use an 89.9%-reflective chart in this adjustment as possible. (Refer to Section 7-1-4.) 6.
  • Page 267: Preset White Adjustment

    7-10. Preset White Adjustment 7-11. Shading Adjustment 7-10. Preset White Adjustment 7-11. Shading Adjustment 7-11-1. Black Shading Adjustment Note Only when changing the color temperature setting of preset 16:9 mode white (PRST), perform this adjustment. Preparation . Lens IRIS CLOSE Preparation .
  • Page 268: White Shading Adjustment

    7-11. Shading Adjustment 7-11-2. White Shading Adjustment 5. Select the lens extender and adjust in the same way. TEST OUT H SAW V SAW H PARA V PARA Note S30*W-SHADING G This adjustment could not be correctly perfomed if the uneven white pattern is used, luminance is not correct, or TEST OUT G H SAW...
  • Page 269: Gamma Correction Adjustment

    7-12. Gamma Correction Adjustment 7-12. Gamma Correction Adjustment 4. On the setup menu, adjust as follows. 16:9 mode PAGE : S25*LEVEL 8 ITEM : R GAMMA Preparation Spec. : Position the illuminated spot at the . Lens IRIS center of the vector monitor. .
  • Page 270: Black Set Adjustment

    7-13. Black Set Adjustment 7-13. Black Set Adjustment Preparation . Lens IRIS CLOSE . On the setup menu, set as follows. PAGE : S24*LEVEL 7 ITEM : TEST OUT Adjustment Procedure Equipment : Waveform monitor Test point : TEST OUT connector 1.
  • Page 271: Flare Adjustment

    7-14. Flare Adjustment 7-14. Flare Adjustment 4. On the setup menu, adjust as follows. 16:9 mode PAGE : S24*LEVEL 7 ITEM : R FLARE Preparation Spec. : Minimize the carrier leakage at portion C . On the setup menu, set as follows. PAGE : S24*LEVEL 7 ITEM...
  • Page 272: Knee And White Clip Adjustments

    7-15. Knee and White Clip Adjustments 7-15. Knee and White Clip Adjustments 5. On the setup menu, adjust as follows. PAGE : S21*LEVEL 4 7-15-1. Manual Knee and White Clip ITEM : WHITE CLIP LEVEL Adjustments : B = 109 ±2 IRE (NTSC) Spec.
  • Page 273: Dcc Pre Knee Adjustment

    7-15. Knee and White Clip Adjustments 7-15-2. DCC Pre Knee Adjustment 4. On the setup menu, adjust as follows. PAGE : S53*VA ADJ. 2/2 ITEM : B PREKNEE (DCC) Preparation Spec. : Position the illuminated spot at the . OUTPUT/DCC switch (inside panel) CAM/ON center of the vector monitor.
  • Page 274: Dcc Knee Adjustment

    7-15. Knee and White Clip Adjustments 7-15-3. DCC Knee Adjustment 3. Select the lens extender, shoot a grayscale chart in the full underscanned monitor frame. Note Perform this adjustment, if necessary, to suit the custom- 4. Return the lens extender to its normal position. er’s preferences.
  • Page 275: Detail Signal Adjustment (16:9)

    7-16. Detail Signal Adjustment (16:9) 7-16. Detail Signal Adjustment (16:9) 7-16-2. Level Depandent Adjustment (16:9) 16:9 mode 7-16-1. Crispening Adjustment (16:9) Preparation 16:9 mode . On the setup menu, set as follows. Preparation PAGE : S12*FUNCTION 1/2 . On the setup menu, set as follows. ITEM : DETAIL PAGE...
  • Page 276: Detail Frequency Adjustment (16:9)

    7-16. Detail Signal Adjustment (16:9) 7-16-3. Detail Frequency Adjustment (16:9) 7-16-4. H/V Ratio Adjustment (16:9) 16:9 mode 16:9 mode Note Preparation Perform this adjustment, if necessary, to suit the custom- er’s preferences. . On the setup menu, set as follows. PAGE : S12*FUNCTION 1/2 Preparation...
  • Page 277: Detail Level Adjustment (16:9)

    7-16. Detail Signal Adjustment (16:9) 7-16-5. Detail Level Adjustment (16:9) 7-16-6. Knee Aperture Adjustment (16:9) 16:9 mode 16:9 mode Note Note Perform this adjustment, if necessary, to suit the custom- Perform this adjustment, if necessary, to suit the custom- er’s preferences. er’s preferences.
  • Page 278: H Detail Black Clip Adjustment (16:9)

    7-16. Detail Signal Adjustment (16:9) 7-16-7. H Detail Black Clip Adjustment (16:9) 7-16-8. V Detail Black Clip Adjustment (16:9) 16:9 mode 16:9 mode Note Note Perform this adjustment, if necessary, to suit the custom- Perform this adjustment, if necessary, to suit the custom- er’s preferences.
  • Page 279: Detail Signal Adjustment (4:3)

    7-17. Detail Signal Adjustment (4:3) 7-17. Detail Signal Adjustment (4:3) 7-17-2. Level Depandent Adjustment (4:3) 4:3 mode 7-17-1. Crispening Adjustment (4:3) Preparation 4:3 mode . On the setup menu, set as follows. Preparation PAGE : S12*FUNCTION 1/2 . On the setup menu, set as follows. ITEM : DETAIL PAGE...
  • Page 280: Detail Frequency Adjustment (4:3)

    7-17. Detail Signal Adjustment (4:3) 7-17-3. Detail Frequency Adjustment (4:3) 7-17-4. H/V Ratio Adjustment (4:3) 4:3 mode 4:3 mode Note Preparation Perform this adjustment, if necessary, to suit the custom- er’s preferences. . On the setup menu, set as follows. PAGE : S12*FUNCTION 1/2 Preparation...
  • Page 281: Detail Level Adjustment (4:3)

    7-17. Detail Signal Adjustment (4:3) 7-17-5. Detail Level Adjustment (4:3) 7-17-6. Knee Aperture Adjustment (4:3) 4:3 mode 4:3 mode Note Note Perform this adjustment, if necessary, to suit the custom- Perform this adjustment, if necessary, to suit the custom- er’s preferences. er’s preferences.
  • Page 282: H Detail Black Clip Adjustment (4:3)

    7-17. Detail Signal Adjustment (4:3) 7-17-7. H Detail Black Clip Adjustment (4:3) 7-17-8. V Detail Black Clip Adjustment (4:3) 4:3 mode 4:3 mode Note Note Perform this adjustment, if necessary, to suit the custom- Perform this adjustment, if necessary, to suit the custom- er’s preferences.
  • Page 283: Skin Tone Adjustment

    7-18. Skin Tone Adjustment 7-18. Skin Tone Adjustment 5. On the setup menu, adjust as follows. PAGE : S20*LEVEL 3 Note ITEM : SUPPRESS LEVEL (Factory setting: 0) Perform this adjustment, if necessary, to suit the custom- Spec. : Set the level to the desired detail level. er’s preferences.
  • Page 284: Zebra Adjustment

    7-19. Zebra Adjustment 7-19. Zebra Adjustment 3. On the setup menu, adjust as follows. PAGE : S15*VF SETTING ITEM : ZEBRA1 APT.LVL Preparation (Factory setting: 10%) . ZEBRA switch (viewfinder) Spec. : Adjust for the desired width of detection. . On the setup menu, set as follows. PAGE : S12*FUNCTION 1/2 4.
  • Page 285: Automatic Iris Adjustment

    7-20. Automatic Iris Adjustment 7-20. Automatic Iris Adjustment 6. On the setup menu, adjust as follows. 16:9 mode PAGE : S29*LEVEL 12 ITEM : IRIS WEIGHT Preparation Spec. : Increment the IRIS WEIGHT value . On the setup menu, set as follows. until the lens iris is open.
  • Page 286: Adjustment After Replacing The Filter Disk Unit

    7-21. Adjustment After Replacing the Filter Disk Unit 7-21. Adjustment After Replacing the Filter Disk Unit After replacing the filter disk, the white balance adjustment must be corrected. Follow the correction procedure described below. Preparation . WHITE BAL switch (on the inside panel) Position A or B .
  • Page 287: Camera System Electrical Alignment (Only For Dvw-707/707P)

    HIGH 18 dB Tektronix 1780R/1751 or equivalent . S12*FUNCTION 1/2 . Color Monitor TEST OUT Sony BVM-1410/1411P or equivalent DETAIL . Black and white monitor APERTURE . Pattern box (PTB-500, 90 - 240 Vac) : J-6029-140-B SKIN TONE DETAIL . Multiburst chart : J-6026-110-A MATRIX .
  • Page 288: Maintaining The Grayscale Chart

    8-1. General Information for Electrical Adjustment 8-1-4. Maintaining the Grayscale Chart For the VA gain adjustment, using an 89.9 %-reflective grayscale chart is preferable. If a reflective chart is not available, use a well-maintained pattern box and a transparent grayscale chart for adjustment.
  • Page 289 8-1. General Information for Electrical Adjustment Setting Illumination (when the reflective chart is used) Equipment: Illuminance meter (Calibrated) 1. Turn on the light source and warm up for about 30 minutes. 2. Place the illuminance meter on the chart surface. Adjust the position and angle of the light source so that the whole surface of the chart is evenly 2000 lx.
  • Page 290: Vco Cont Frequency Check

    8-2. VCO CONT Frequency Check 8-3. AD Clock Phase Adjustment 8-2. VCO CONT Frequency Check 8-3. AD Clock Phase Adjustment Note Note . Conduct this check when the TG-206/206P, ES-23/23P Conduct this check when the CCD block or DCP-17 board boards or CCD block is only replaced.
  • Page 291: Enc Out Adjustment

    8-4. ENC OUT Adjustment 8-4. ENC OUT Adjustment 5. On the setup menu, adjust as follows. PAGE : S23*LEVEL 6 8-4-1. ENC Level Adjustment ITEM : ENC Y SETUP Spec. : E = 7.5 0.5 IRE (NTSC) E = 0 3 mV (PAL) Preparation OUTPUT/DCC switch (inside panel)
  • Page 292: Chroma Adjustment

    8-4. ENC OUT Adjustment 8-4-2. Chroma Adjustment 5. On the setup menu, adjust as follows. (PAL : Check only) PAGE : S22*LEVEL 5 Preparation ITEM : BURST LEVEL OUTPUT/DCC switch (inside panel) BARS Spec. : A = 40 1 IRE (NTSC) A = 300 7 mV (PAL) Adjustment Procedure Equipment...
  • Page 293: Int Sc Phase Adjustment

    8-4. ENC OUT Adjustment 8-4-3. INT SC Phase Adjustment 10. On the setup menu, adjust as follows. PAGE : S39*SG ADJ. ITEM : H BLANKING WIDTH Note 0.2 us (NTSC) Spec. : D = 10.9 The following adjustment procedures are described under 0.3 us (PAL) D = 12.0 the condition by using the Tektronix 1750/1751.
  • Page 294: Test Out Level Adjustment

    8-5. TEST OUT Level Adjustment 8-6. Modulator Balance Adjustment 8-5. TEST OUT Level Adjustment 8-6. Modulator Balance Adjustment Preparation Preparation . OUTPUT/DCC switch (inside panel) . WHITE BAL switch (inside panel) BARS PRST . On the setup menu, set as follows. .
  • Page 295: Test Saw Adjustment

    8-7. TEST SAW Adjustment 8-7. TEST SAW Adjustment Setting After Adjustment . On the setup menu, set as follows. Preparation PAGE : S12*FUNCTION 1/2 . OUTPUT/DCC switch (inside panel) CAM/ON ITEM : GAMMA . WHITE BAL switch (inside panel) PRST ITEM : TEST SAW ITEM...
  • Page 296: R/B Ad Gain Adjustment

    8-8. R/B AD Gain Adjustment 8-8. R/B AD Gain Adjustment 4. Make sure that the carrier leakage at portion B is not observed. Notes . This adjustment is needed only when the AD board or the VA board is replaced. Do not make any attempt to touch on this adjustment in any other cases.
  • Page 297: Va Gain Adjustment

    8-9. VA Gain Adjustment 8-9. VA Gain Adjustment 4. On the setup menu, set as follows. PAGE : S12*FUNCTION 1/2 Note ITEM : TEST OUT Use an 89.9%-reflective chart in this adjustment as possi- ITEM : GAMMA ble. (Refer to Section 8-1-4.) 5.
  • Page 298: Preset White Adjustment

    8-10. Preset White Adjustment 8-11. Shading Adjustment 8-10. Preset White Adjustment 8-11. Shading Adjustment 8-11-1. Black Shading Adjustment Note Only when changing the color temperature setting of preset white (PRST), perform this adjustment. Preparation . Lens IRIS CLOSE Preparation . Waveform monitor setting .
  • Page 299: White Shading Adjustment

    8-11. Shading Adjustment 8-11-2. White Shading Adjustment 4. Select the lens extender and adjust in the same way. TEST OUT H SAW V SAW H PARA V PARA Note S30*W-SHADING G This adjustment could not be correctly performed if the uneven white patten is used, luminance is not correct, or TEST OUT G H SAW...
  • Page 300: Gamma Correction Adjustment

    8-12. Gamma Correction Adjustment 8-12. Gamma Correction Adjustment 3. On the setup menu, adjust as follows. PAGE : S25*LEVEL 8 ITEM : R GAMMA Preparation Spec. : Position the illuminated spot at the center . Lens IRIS of the vector monitor. .
  • Page 301: Black Set Adjustment

    8-13. Black Set Adjustment 8-14. Flare Adjustment 8-13. Black Set Adjustment 8-14. Flare Adjustment Preparation Preparation . On the setup menu, set as follows. . Lens IRIS CLOSE PAGE : S24*LEVEL 7 . On the setup menu, set as follows. ITEM : TEST OUT PAGE...
  • Page 302: Knee And White Clip Adjustments

    8-15. Knee and White Clip Adjustments 8-15. Knee and White Clip Adjustments 5. On the setup menu, adjust as follows. PAGE : S21*LEVEL 4 8-15-1. Manual Knee and White Clip ITEM : WHITE CLIP LEVEL Adjustments Spec. : B = 107 2 IRE (NTSC) B = 735 10 mV (PAL) Preparation .
  • Page 303: Dcc Pre Knee Adjustment

    8-15. Knee and White Clip Adjustments 8-15-2. DCC Pre Knee Adjustment 4. On the setup menu, adjust as follows. PAGE : S53*VA ADJ. 2/2 ITEM : B PREKNEE (DCC) Preparation Spec. : Position the illuminated spot at the . OUTPUT/DCC switch (inside panel) CAM/ON center of the vector monitor.
  • Page 304: Dcc Knee Adjustment

    8-15. Knee and White Clip Adjustments 8-15-3. DCC Knee Adjustment 4. Return the lens extender to its normal position. Note 5. On the setup menu, adjust as follows. Perform this adjustment, if necessary, to suit the custom- PAGE : S33*DCC ADJ. er’s preferences.
  • Page 305: Detail Signal Adjustment

    8-16. Detail Signal Adjustment 8-16. Detail Signal Adjustment 8-16-2. Level Depandent Adjustment 8-16-1. Crispening Adjustment Preparation . On the setup menu, set as follows. Preparation PAGE : S12*FUNCTION 1/2 . On the setup menu, set as follows. ITEM : DETAIL PAGE : S12*FUNCTION 1/2 ITEM...
  • Page 306: Detail Frequency Adjustment

    8-16. Detail Signal Adjustment 8-16-3. Detail Frequency Adjustment 8-16-4. H/V Ratio Adjustment Note Preparation Perform this adjustment, if necessary, to suit the custom- er’s preferences. . On the setup menu, set as follows. PAGE : S12*FUNCTION 1/2 Preparation ITEM : DETAIL ITEM : TEST OUT .
  • Page 307: Detail Level Adjustment

    8-16. Detail Signal Adjustment 8-16-5. Detail Level Adjustment 8-16-6. Knee Aperture Adjustment Note Note Perform this adjustment, if necessary, to suit the custom- Perform this adjustment, if necessary, to suit the custom- er’s preferences. er’s preferences. Preparation Preparation . On the setup menu, set as follows. .
  • Page 308: H Detail Black Clip Adjustment

    8-16. Detail Signal Adjustment 8-16-7. H Detail Black Clip Adjustment 8-16-8. V Detail Black Clip Adjustment Note Note Perform this adjustment, if necessary, to suit the custom- Perform this adjustment, if necessary, to suit the custom- er’s preferences. er’s preferences. Preparation Preparation .
  • Page 309: Skin Tone Adjustment

    8-17. Skin Tone Adjustment 8-17. Skin Tone Adjustment 5. On the setup menu, adjust as follows. PAGE : S20*LEVEL 3 Note ITEM : SUPPRESS LEVEL (Factory setting : 0) Spec. : Set the level to the desired detail level. Perform this adjustment, if necessary, to suit the custom- er’s preferences.
  • Page 310: Zebra Adjustment

    8-18. Zebra Adjustment 8-18. Zebra Adjustment 4. On the setup menu, set as follows. PAGE : S12*FUNCTION 1/2 ITEM : TEST SAW Preparation . ZEBRA switch (viewfinder) 5. On the setup menu, set as follows. . On the setup menu, set as follows. PAGE : S15*VF SETTING PAGE...
  • Page 311: Automatic Iris Adjustment

    8-19. Automatic Iris Adjustment 8-19. Automatic Iris Adjustment 6. On the setup menu, adjust as follows. PAGE : S29*LEVEL 12 ITEM : IRIS SPEED (Factory setting : 2) Preparation Spec. : Adjust for the desired operation speed of . On the setup menu, set as follows. auto iris.
  • Page 312: Adjustment After Replacing The Filter Disk Unit

    8-20. Adjustment After Replacing the Filter Disk Unit 8-20. Adjustment After Replacing the Filter Disk Unit After replacing the filter disk, the white balance adjustment must be corrected. Follow the correction procedure described below. Preparation . WHITE BAL switch (on the inside panel) Position A or B .
  • Page 313 The material contained in this manual consists of information that is the property of Sony Corporation and is intended solely for use by the purchasers of the equipment described in this manual. Sony Corporation expressly prohibits the duplication of any portion of this manual or the use thereof for any...
  • Page 314 DVW-707 (SY) DVW-707P (SY) DVW-709WS (SY) DVW-709WSP (SY) DVW-790WS (SY) Printed in Japan Sony Corporation DVW-790WSP (SY) E 2000. 7 16 Communication System Solutions Network Company 9-967-819-02 ©1999...

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