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Toshiba DVR80KF Service Manual

Dvd/ video cassette recorder
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FILE NO. 810-2009135GR
SERVICE MANUAL
DVD/ Video Cassette Recorder
DVR80KF
VCR
DVD
The above model is classified as a green product (*1), as indicated by the underlined serial
number. This Service Manual describes replacement parts for the green product. When
repairing this green product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
TOSHIBA CORPORATION 2010
Published in Japan, Feb. 2010 GREEN

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  Summary of Contents for Toshiba DVR80KF

  • Page 1 This Service Manual describes replacement parts for the green product. When repairing this green product, use the part(s) described in this manual and lead-free solder (*2). For (*1) and (*2), see the next page. TOSHIBA CORPORATION 2010 Published in Japan, Feb. 2010 GREEN...
  • Page 2 Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities.
  • Page 3: Table Of Contents

    MAIN SECTION DVD / VIDEO CASSETTE RECORDER DVR80KF Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I BOARD I Exploded Views I Parts List TABLE OF CONTENTS Specifications ................1-1-1 Laser Beam Safety Precautions.
  • Page 4: Specifications

    SPECIFICATIONS 1-1-1 E9TK5SP...
  • Page 5: Laser Beam Safety Precautions

    LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30 cm away from the pickup lens when the diode is turned on.
  • Page 6: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice K. When connecting or disconnecting the internal connectors, first, disconnect the AC plug from the Some electrical and mechanical parts have special AC outlet. safety-related characteristics which are often not L. Be sure to confirm the FAN motor has completely evident from visual inspection, nor can the protection stopped when disconnecting the AC cord for they give necessarily be obtained by replacing them...
  • Page 7 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original positions. Afterwards, do the following tests and confirm the Chassis or Secondary Conductor specified values to verify compliance with safety standards.
  • Page 8: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. Circuit Board Indications Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is When soldering, be sure to use the Pb free solder. indicated as shown. How to Remove / Install Flat Pack-IC Top View Bottom View...
  • Page 9 3. The flat pack-IC on the BOARD is affixed with With Soldering Iron: glue, so be careful not to break or damage the foil 1. Using desoldering braid, remove the solder from of each pin or the solder lands under the IC when all pins of the flat pack-IC.
  • Page 10 With Iron Wire: 2. Installation 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the flux which is applied to all pins of the flat pack-IC, BOARD so you can install a replacement flat pack- you can remove it easily.
  • Page 11 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.
  • Page 12: Preparation For Servicing

    PREPARATION FOR SERVICING How to Enter the Service Mode About Optical Sensors Caution: An optical sensor system is used for the Tape Start and End Sensors on this equipment. Carefully read and follow the instructions below. Otherwise the unit may operate erratically. What to do for preparation Insert a tape into the Deck Mechanism Assembly and press [ B ] (VCR) button.
  • Page 13: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1. Disassembly Flowchart REMOVAL REMOVE/*UNHOOK/ This flowchart indicates the disassembly steps to gain LOC. PART Fig. UNLOCK/RELEASE/ Note access to item(s) to be serviced. When reassembling, UNPLUG/DESOLDER follow the steps in reverse order. Bend, route, and dress the cables as they were originally.
  • Page 14 Note: (1): Identification (location) No. of parts in the figures (S-4) (2): Name of the part [4] Front Bracket (3): Figure Number for reference (S-4) (S-5) (4): Identification of parts to be removed, unhooked, Front unlocked, released, unplugged, unclamped, or Support desoldered.
  • Page 15 [7] Motor (S-21) [8] Panel Rear DC Fan (S-12) (S-20) (S-10) [14] VCR (S-13) Chassis Unit (S-12) Rear Holder (S-11) [6] Fan Holder (S-13) [13] BOARD POWER SWITCH CN1002-P Fig. D4 (S-19) (S-14) FFC Guide Desolder (S-15) CL1001 [9] BOARD Lead with POWER SUPPLY blue stripe...
  • Page 16 Cylinder Assembly FE Head ACE Head Assembly [15] Deck SW507 Assembly LD-SW [17] BOARD REAR JACK [16] BOARD DTV MODULE Unit [18] BOARD AV [15] Deck Assembly Cam Gear Hole Shaft Hole (S-22) [18] BOARD AV LD-SW [18] BOARD AV (S-23) Desolder Desolder...
  • Page 17 (S-24) [19] Deck Pedestal [21] Bracket R (S-27) [20] Front Bracket R DV Plate Earth (S-25) (S-26) DV Cable Fig. D8 1-6-5 E9TK0DC...
  • Page 18 3. How to Eject Manually Note: When rotating the gear, be careful not to damage the gear. 1. Remove the Cover Top, Front Assembly, Front Bracket, DVD Mechanism & DVD MAIN BOARD Assembly. 2. Remove the Dust Cover. 3. Rotate the gear in the direction of the arrow manually as shown below the tray descends. 4.
  • Page 19: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. Note: Head Switching Position Adjustment 1. Electrical adjustments are required after replacing Purpose: circuit components and certain mechanical parts. To determine the Head Switching position during It is important to do these adjustments only after playback.
  • Page 20: How To Initialize The Dvd Recorder & Vcr

    HOW TO INITIALIZE THE DVD RECORDER & VCR To put the program back at the factory-default, initialize the DVD recorder & VCR as the following procedure. < DVD Section > 1. Turn on the DVD recorder & VCR. 2. Confirm that no disc is loaded or that the disc tray is open.
  • Page 21: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. 4. Select the firmware version pressing arrow buttons, then press [ENTER/OK]. 2. To put the DVD recorder & VCR into version up Fig. d appears on the screen and Fig. e appears mode, press [DVD], [INSTANT SKIP], [6], [5], and on the VFD.
  • Page 22 How to Verify the Firmware Version 1. Turn on the DVD recorder & VCR. 2. Confirm that no disc is loaded or that the disc tray is open. To put the DVD recorder & VCR into the Version display mode, press [DVD], [INSTANT SKIP], [1], [2], and [3] buttons on the remote control unit in that order.
  • Page 23: Remote Control Key Code

    REMOTE CONTROL KEY CODE NEC Format Key No. Name Code OPEN/CLOSE 45BC-11 INPUT SELECT 45BC-0F HDMI 45BC-B0 ON/STANDBY 45BC-12 45BC-01 45BC-02 45BC-03 PROG. UP 45BC-1E 45BC-04 45BC-05 45BC-06 PROG. DOWN 45BC-1F 45BC-07 45BC-08 45BC-09 TIMER PROG. 45BC-40 SETUP 45BC-52 45BC-00 CLEAR 45BC-53 INFO...
  • Page 24: Troubleshooting

    TROUBLESHOOTING NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1 Power Supply Section FLOW CHART NO.1 The power cannot be turned on. See FLOW CHART No.2 <The fuse blows out.> Is the fuse normal? Is normal state restored when once unplugged power Check for lead or short-circuiting of primary circuit cord is plugged again after several seconds.
  • Page 25 FLOW CHART NO.6 AL+44V is not outputted. Check D013, D1140 and their periphery, and replace Is the supply voltage 44V fed to the cathode of D013? P4(PW/SW ASSEMBLY) if defective. Check for load circuit short-circuiting or leak, and replace P1(AV ASSEMBLY) if defective. FLOW CHART NO.7 TU+30V is not outputted.
  • Page 26 FLOW CHART NO.11 AL+5V is not outputted. Is the supply voltage 5V fed to the cathode of D016? Check D016, D1102 and their periphery, and replace P4(PW/SW ASSEMBLY) if defective. Check for load circuit short-circuiting or leak, and replace P1(AV ASSEMBLY) if defective. FLOW CHART NO.12 P-ON+5V(VCR) is not outputted.
  • Page 27 FLOW CHART NO.15 DVD-P-ON+5V is not outputted. Is the supply voltage 5V fed to the cathode of D016? Check D016, D1102 and their periphery, and replace P4(PW/SW ASSEMBLY) if defective. Is the "H" pulse (approximately 6V) inputted to Refer to "FLOW CHART NO.16"<P-ON+10V is not the base of Q1106? outputted>.
  • Page 28 FLOW CHART NO.19 P-ON+1.8V is not outputted. Is 2.5V voltage supplied to pin(1) of IC1103? Check D1033 and their periohery, and replace P4(PW/SW ASSEMBLY) if defective. Is the "H" pulse (approximately 5V) inputted to Check the REG-CONT signal line, and replace the base of Q1109? P1(AV ASSEMBLY) if defective.
  • Page 29: Open/Close

    2 DVD Section FLOW CHART NO.1 The key operation is not functioning. Are the contact point and the installation state of Re-install the key switches correctly or replace the key switches normal? P4(PW/SW ASSEMBLY). Is the control voltage normally inputted into Pin(8) of Check the key switches and their periphery, and replace IC501? P4(PW/SW ASSEMBLY) if defective.
  • Page 30 FLOW CHART NO.3 The [No Disc] indication. Both picture and sound do not operate normally. Replace the P2(DVD MECHANISM & DVD MAIN BOARD ASSEMBLY). FLOW CHART NO.4 VIDEO E-E does not appear normally. Are the video signals inputted to each pin of IC1509? Check the line between video input terminal and each pin of IC1509, and replace P1(AV ASSEMBLY), IC1509...
  • Page 31 Are the video signals outputted to each pin of IC1509? IC1509 30PIN VIDEO-OUT 1 (AV1) Is 5V voltage supplied to Pin(27,29,47,63) of IC1509? IC1509 22PIN VIDEO-OUT 2 (AV2) Is 9V voltage supplied to Pin(75) of IC1509? IC1509 40PIN VIDEO-Y IC1509 39PIN VIDEO-Pr/Cr Check the ECO+5V, ECO+9V...
  • Page 32 Are the video signals outputted to the specific output terminal? Check the periphery of JK1504 from Pin (30) of IC1509 Are the composite video signals outputted to and replace P1(AV ASSEMBLY) if defective. the VIDEO OUT (AV1) terminal (JK1504)? Are the composite video signals outputted to Check the periphery of JK2001 from Pin (22) of IC1509 the VIDEO OUT (AV2) terminal (JK2001)? and replace P1(AV ASSEMBLY) if defective.
  • Page 33 Are the analog audio signals outputted to each pin of IC1509? Is 5V voltage supplied to Pin(27, 29, 47 ,63) of IC1509? IC1509 73,74PIN AUDIO-OUT 1 (AV1) Is 9V voltage supplied to Pin(75) of IC1509? IC1509 71,72PIN AUDIO-OUT 2 (AV2) IC1509 67,68PIN AUDIO-OUT (REAR) Check the ECO+5V, ECO+9V Replace P1(AV...
  • Page 34 3 VCR Section FLOW CHART NO.1 The key operation is not functioning. Are the contact point and the installation state of the Re-install some key switches correctly or replace key switches normal? P1(AV ASSEMBLY). Check the key switches and their periphery, and replace Is the control voltage normally inputted into Pin(7) of P1(AV ASSEMBLY) if defective.
  • Page 35 FLOW CHART NO.3 Cassette tape can not be loaded. Check the line between the start sensor and Pin(100) When loading a cassette tape, on Pin(100) of IC501, of IC501, and replace P1(AV ASSEMBLY) or does the "L" pulse switch to the "H" pulse? P5(BOARD SENSOR) if defective.
  • Page 36 FLOW CHART NO.6 Capstan Motor does not rotate. Is 5V voltage supplied to Pin(2) of CN502? Check the P-ON+5V line and replace P1(AV ASSEMBLY) if defective. Is over approximately 2.6V voltage supplied to Pin(5) Check the line between Pin(5) of CN502 and Pin(76) of of CN502? IC501, and replace P1(AV ASSEMBLY) if defective.
  • Page 37 FLOW CHART NO.10 Video E-E does not appear normally. Are the video signals inputted to each pin of IC1509? Check the line between video input terminal and each pin of IC1509, and replace P1(AV ASSEMBLY), P6 IC1509 20PIN VIDEO-IN 1 (AV1) (BOARD DTV MODULE UNIT) or TU1800 if defective.
  • Page 38 FLOW CHART NO.11 Hi-Fi E-E audio does not operate normally. Check the line between audio input terminal and each pin of IC1509, and replace P1(AV ASSEMBLY), P6 (BOARD DTV MODUDLE UNIT) or TU1800 if defective. Are the audio signals inputted to each pin of IC1509? →...
  • Page 39 FLOW CHART NO.12 Hi-Fi audio can not be recorded normally. (E-E mode is normal.) Replace P1(AV ASSEMBLY). Is the Hi-Fi-COM signal outputted to Pin(26) of IC451? Check the line between Pin(8) of CN251 and Pin(26) Is the line between Pin(8) of CN251 and Pin(26) of of IC451, and replace P1(AV ASSEMBLY) if defective.
  • Page 40 FLOW CHART NO.15 Audio can not be playbacked normally in the linear audio mode. (E-E mode is normal.) Is the audio signal outputted to Pin(11) of IC301? Is the audio signal supplied to Pin(5) of IC301? Replace P1(AV Check the line between Pin(11) ASSEMBLY).
  • Page 41: Function Indicator Symbols

    FUNCTION INDICATOR SYMBOLS < VCR Section > Note: If a mechanical malfunction occurs, the power is turned off. When the power comes on again after that by pressing [ ] button, an error message is displayed on the TV screen for 5 seconds. MODE INDICATOR ACTIVE When reel or capstan mechanism is not...
  • Page 42 < DVD Section > Note: If an error occurs, a message with the error number appears on the screen. Recording Error Error message You cannot record on this disc as Power Calibration Area is full. Error No. Error Message Solution Error Description An error occurs during data reading.
  • Page 43 Error Message Solution Error Description Release the disc protect This disc is protected and not setting in the Disc Setting Disc Protected Disc. recordable. menu. Disc is full. Insert the recordable disc with No available recording space. (No area for new recording) enough recording space.
  • Page 44 Error Message Solution Error Description - Set the timer programming - Some portion has not been recorded correctly. because of program overlapping. - Set the timer programming - Recording did not start at the start time. before the start time. - No videotape is inserted.
  • Page 45: Block Diagrams

    BLOCK DIAGRAMS Servo/System Control Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. (DECK ASSEMBLY) IC501 (SERVO/SYSTEM CONTROL) BOARD AV SW507 LD-SW IC612 (VFD DRIVER) ACE HEAD ASSEMBLY FL601 CN504 AL+5V LD-SW CTL(+) CTL(+) GRID CONTROL HEAD CTL(-) CTL(-) DRV-DATA DRV-DIN ST-S DRV-CLK 70 DRV-CLK...
  • Page 46 Sub System Control Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. IC501 (SUB MICRO CONTROLLER) DVD-AUDIO-MUTE DVD-AUDIO-MUTE AUDIO-MUTE AUDIO-MUTE TO AUDIO SELECTOR SC-AUDIO-MUTE BLOCK DIAGRAM SC-AUDIO-MUTE 1V2CONT DVD-SC2-AUDIO-MUTE 1V2CONT DVD-SC2-AUDIO-MUTE TO SUB POW-SW POW-SW POWER SUPPLY REG-CONT BLOCK DIAGRAM REG-CONT BOARD FUNCTION DTV-SYS-RESET DTV-TXD...
  • Page 47 Digital Signal Process Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL IC101 (MAIN MICRO CONTROLLER/MPEG2 AV CODEC) CN701 VIDEO-Y(I/P)-OUT 7 VIDEO-Pr/Cr-OUT 5 TO VIDEO VIDEO-Pb/Cb-OUT 3 SELECTOR VIDEO VIDEO VIDEO-Y(I)-OUT 1 BLOCK...
  • Page 48 Video Selector Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. REC VIDEO SIGNAL PB VIDEO SUGNAL IC1509 (VIDEO SELECTOR) BOARD REAR JACK Q2001 JK2001 CN2001 CN1506 VIDEO-OUT2 BUFFER VIDEO-OUT2 DRIVER VIDEO-G VIDEO-G-IN JK2001 CN1506 CN2001 VIDEO-B VIDEO-B-IN VIDEO-IN2 VIDEO VIDEO-R VIDEO-R-IN BOARD Q1515...
  • Page 49: Video Block Diagram

    Video Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL (DECK ASSEMBLY) IC501 (OSD) CYLINDER ASSEMBLY CHARACTER IIC-BUS SCL TO SERVO/SYSTEM COLOR CONTROL IIC-BUS SDA CN251 BLOCK DIAGRAM IC301 VIDEO(R)-1 VIDEO SIGNAL VIDEO (R)-1...
  • Page 50: Dubbing

    Audio Selector Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. REC AUDIO SIGNAL PB AUDIO SIGNAL BOARD REAR JACK IC1509(AUDIO SELECTOR) JK2001 BOARD AV CN1506 CN2001 AUDIO(L)-IN2 AUDIO(L)-IN2 IIC-BUS SDA TO SERVO/SYSTEM AUDIO(R)-IN2 AUDIO(R)-IN2 CONTROL IIC-BUS SCL AUDIO(L)-OUT2 AUDIO(L)-OUT2 BLOCK DIAGRAM AUDIO(R)-OUT2 AUDIO(R)-OUT2 AUDIO-MUTE...
  • Page 51: Audio Block Diagram

    Audio Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. REC AUDIO SIGNAL PB AUDIO SIGNAL BOARD AV N-A-PB TO Hi-Fi AUDIO N-A-REC BLOCK DIGRAM IC301 (AUDIO SIGNAL PROCESS) PB-ON LINE MUTE (DECK ASSEMBLY) SP/LP-ON P-ON+5V ACE HEAD ASSEMBLY REC-ON Q404 CN504 AUDIO 4 AUDIO-PB/REC...
  • Page 52 Hi-Fi Audio Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. REC AUDIO SIGNAL PB AUDIO SIGNAL BOARD AV VCR-AUDIO-IN(L) TO AUDIO SELECTOR VCR-AUDIO-IN(R) BLOCK DIAGRAM IC451 (Hi-Fi AUDIO SIGNAL PROCESS) R-CH IIC-BUS SDA COMP SERIAL NOISE DATA IIC-BUS SCL DECODER R-CH SERVO/ SYSTEM MUTE-ON...
  • Page 53: Power Supply Block Diagram

    Power Supply Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! NOTE: NOTE: If Main Fuse (F1001) is blown , check to see that all components in the power supply Either IC3607 or IC3608 is used for BOARD FUNCTION.
  • Page 54 Sub Power Supply Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. CN1503 22 AL-30V AL+44V P-ON+15V Q1511 Q1808 2,3 AL+16.3V TU+30V 6,7 AL+12V 12 P-ON+10V Q1512 13,14 DVD-P-ON+5V 15,16 AL+5V Q1508 26 SYS+5V POWER SUPPLY AL+16V/+12V 24 F1 BLOCK DIAGRAM (CL1001) 23 F2 Q1509...
  • Page 55 DTV Module Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. REC VIDEO SIGNAL REC AUDIO SIGNAL IC2500 (DVB-T DEMODULATOR) IC2602 (DTV SIGNAL PROCESS) TU1800 (TUNER UNIT) CN2701 CN1800 DTV-Y VIDEO TO VIDEO CN1800 CN2700 DTV-Y VIDEO DTV-C SELECTOR DIF-OUT1 DIF-OUT1 ENCODER DTV-C CONVERTER...
  • Page 56: Schematic Diagrams / Board And Test Points

    SCHEMATIC DIAGRAMS / BOARD AND TEST POINTS NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
  • Page 57 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) is blown, first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 58 AV 1/10 Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-3 E9TK5SCAV1...
  • Page 59 AV 2/10 , POWER SWITCH & SENSOR Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. FL601 MATRIX CHART BS CS DR DTV BS CS 1-14-4 E9TK5SCAV2...
  • Page 60 AV 3/10 Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-5 E9TK5SCAV3...
  • Page 61 AV 4/10 Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-6 E9TK5SCAV4...
  • Page 62 AV 5/10 Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-7 E9TK5SCAV5...
  • Page 63 AV 6/10 Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-8 E9TK5SCAV6...
  • Page 64 AV 7/10 Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-9 E9TK5SCAV7...
  • Page 65 AV 8/10 Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. E9TK5SCAV8 1-14-10...
  • Page 66 AV 9/10 Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. E9TK5SCAV9 1-14-11...
  • Page 67 AV 10/10 Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-12 E9TK5SCAV10...
  • Page 68 POWER SUPPLY Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. CAUTION ! CAUTION ! NOTE: Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. For continued protection against fire hazard, The voltage for parts in hot circuit is measured using If Main Fuse (F1001) is blown , check to see that all components in the power supply replace only with the same type fuse.
  • Page 69 FUNCTION, SWITCH & USB Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. CAUTION ! For continued protection against fire hazard, replace only with the same type fuse(F6001). NOTE: Either IC3607 or IC3608 is used for BOARD FUNCTION. 1-14-14 E9TK5SCF...
  • Page 70 REAR JACK Schematic Diagram < VCR Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-15 E9TK5SCRJ...
  • Page 71 DVD MAIN 1/7 Schematic Diagram < DVD Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into six and shown as IC101 (1/6) ~ IC101 (6/6) in this DVD Main Schematic Diagram Section. 1-14-16 E9TK5SCD1...
  • Page 72 DVD MAIN 2/7 Schematic Diagram < DVD Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into six and shown as IC101 (1/6) ~ IC101 (6/6) in this DVD Main Schematic Diagram Section. 1-14-17 E9TK5SCD2...
  • Page 73 DVD MAIN 3/7 Schematic Diagram < DVD Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into six and shown as IC101 (1/6) ~ IC101 (6/6) in this DVD Main Schematic Diagram Section. 1-14-18 E9TK5SCD3...
  • Page 74 DVD MAIN 4/7 Schematic Diagram < DVD Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into six and shown as IC101 (1/6) ~ IC101 (6/6) in this DVD Main Schematic Diagram Section. 1-14-19 E9TK5SCD4...
  • Page 75 DVD MAIN 5/7 Schematic Diagram < DVD Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into six and shown as IC101 (1/6) ~ IC101 (6/6) in this DVD Main Schematic Diagram Section. 1-14-20 E9TK5SCD5...
  • Page 76 DVD MAIN 6/7 Schematic Diagram < DVD Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-21 E9TK5SCD6...
  • Page 77 DVD MAIN 7/7 Schematic Diagram < DVD Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1 NOTE: The order of pins shown in this diagram is different from that of actual IC101. IC101 is divided into six and shown as IC101 (1/6) ~ IC101 (6/6) in this DVD Main Schematic Diagram Section. 1-14-22 E9TK5SCD7...
  • Page 78 DTV MODULE Schematic Diagram < DVD Section > NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. 1-14-23 E9TK5SCDTV...
  • Page 79 BOARD AV Top View NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. BOARD SENSOR View TO BOARD SENSOR (START-SENSOR) BHF300F01012A JP278 S-INH BHF300F01012B J171 V-OUT VR501 SW-POINT TP503 TP504 RF-SW TP301 C-PB TO BOARD SENSOR (END-SENSOR) 1-14-24 BE3TK3F01011A...
  • Page 80 BOARD AV Bottom View NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. WF10 PIN 17 OF PIN 9 OF PIN 7 OF PIN 5 OF PIN 3 OF PIN 28 OF CN1502 CN1502 CN1502 CN1502 CN1502 CN1503 PIN 30 OF IC1509 PIN 56 OF IC301 1-14-25 BE3TK3F01011A...
  • Page 81 BOARD POWER SUPPLY Top View NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. Because a hot chassis ground is present in the power supply CAUTION ! NOTE: circuit, an isolation transformer must be used when repairing. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using Also, in order to have the ability to increase the input slowly, If Main Fuse (F1001) is blown , check to see that all components in the power supply...
  • Page 82 BOARD POWER SUPPLY Bottom View NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. Because a hot chassis ground is present in the power supply CAUTION ! NOTE: circuit, an isolation transformer must be used when repairing. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using Also, in order to have the ability to increase the input slowly, If Main Fuse (F1001) is blown , check to see that all components in the power supply...
  • Page 83 BOARD FUNCTION Top View NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. BOARD SWITCH BOARD SWITCH Top View Bottom View BOARD FUNCTION Bottom View BE3TK3F01023B BE3TK3F01023C 1-14-28...
  • Page 84 BOARD REAR JACK Top View BOARD REAR JACK Bottom View NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. BE3TK3F01023D BOARD POWER SWITCH BOARD POWER SWITCH BOARD USB Bottom View BOARD USB Top View Top View Bottom View CAUTION ! For continued protection against fire hazard, replace only with the same type fuse(F6001).
  • Page 85: Waveforms

    WAVEFORMS NOTE: Input: COLOR BAR SIGNAL (WITH 1KHz AUDIO SIGNAL) Pin 56 of IC301 Pin 9 of CN1502 Pin 17 of CN1502 V-OUT E-E 0.2V 20μs VIDEO-C 0.2V 20μs AUDIO(L)-OUT 0.5ms Pin 56 of IC301 UPPER Pin 30 of IC1509 Pin 28 of CN1503 TP504 WF10...
  • Page 86: Wiring Diagram

    WIRING DIAGRAM Wiring 1/2 Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. REAR DIGITAL AUDIO OUT VIDEO- VIDEO- VIDEO- AUDIO(L) AUDIO(R) BOARD AV Y-OUT Pb/Cb-OUT Pr/Cr-OUT -OUT -OUT COAXIAL (DECK ASSEMBLY) CN506 V-BUS 1 CN1506 OC 2 ACE HEAD MAIN JK1504 (AV1) DM 3 ASSEMBLY BOARD...
  • Page 87 Wiring 2/2 Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. DVD MECHANISM & DVD MAIN BOARD ASSEMBLY DVD MECHANISM CN901 CN101 CN1001 CL1001 TPA1P 1 GND 30 AL+44V 1 CN1001-R CN301 TPA1N 2 GND 29 AL+16.3V 2 2 SW1 CONTINUE GND 3 GND 28 AL+16.3V 3 DV JACK...
  • Page 88: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS [ Tray Open ] Push Close Power on button is pressed. Tray insertion INNER-SW open? Tray insertion INNER-SW open? Tray ejection To disc distinction [ Tray Open ] button is pressed. INNER-SW open? SLED moves Tray ejection 1-17-1 DVDP_TI...
  • Page 89 Parameter V*: Voltage T*: Event timer V0: 2.064 V T1: 0.125 s V1: 4.664 V T2: 3.000 s V2: 2.020 V T3: 0.050 s V3: 2.386 V T4: 0.070 s V4: 4.302 V T5: 0.600 s T6: 1.400 s T7: 1.600 s T8: 0.050 s Tray open Tray ejection direction...
  • Page 90 Push close Threshold level 0.08 V 0.02 s Push Close detection 1-17-3 DVDP_TI...
  • Page 91: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS < VCR Section > Signal Function Name IC501 ( MICROCONTROLLER 8BIT SERVO DVD- / SYSTEM CONTROL ) DVD Audio Mute Control AUDIO- Signal (Mute=“L”) MUTE Signal Function Name VCR- VCR Audio Mute Control 27 OUT AUDIO- Signal (Mute=“H”) Input Signal from Pin 8 of MUTE...
  • Page 92 Signal Signal Function Function Name Name LPF Connected Terminal 82 OUT C-POW- Capstan Power Switching (Slicer) Signal 83 OUT MAIN-ON SECAM or MESECAM Main Power Control COLOR-IN Chroma Video Input Signal Not Used at Super Impose Not Used VPS/PDC Data DAVN-L (Receive=”L”) VCR-...
  • Page 93 IC612 ( VFD DRIVER ) Signal Function Name Signal Function Name Ground POWER- POWER-LED Control Signal OUT DVD-LED DVD-LED Control Signal OUT VCR-LED VCR-LED Control Signal Not Used IN OSC Oscillator Input Not Used IN DRV-DIN Serial Data Input IN DRV-CLK Serial Clock Input IN DRV-STB Serial Interface Input...
  • Page 94: Lead Identifications

    LEAD IDENTIFICATIONS 2SA1980MG-AT 2SA1980 G STD1862LY-AT KTA1281-Y-AT/P 2SC5343(MG, ML)-AT 2SC5343G-AT SRA2203M-AT 2SC5344 Y SRA2204M-AT SRC1203MAT E C B E C B E C B E C B 2SC5343SF(G,Y) 2SK3566(Q M) KIA431-AT/P PQ070XFC1SZF PT204-6B-12 SRC1203SF LA70100M-TRM-E R A K 1 2 3 4 G D S UTC4558TE LC74793JM-TLM-E...
  • Page 95: Exploded Views

    EXPLODED VIEWS NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. Cabinet See Electrical Parts List for parts with this mark. BOARD REAR JACK TU1800 ( P5 ) ( P2 ) BOARD DTV DVD MECHANISM & MODULE UNIT DVD MAIN BOARD ASSEMBLY ( P4 ) BOARD SENSOR BOARD AV FM1001...
  • Page 96 (P1) AV ASSEMBLY (P4) BOARD SENSOR (P5) BOARD DTV MODULE UNIT BOARD REAR JACK ( P5 ) BOARD DTV MODULE UNIT TU1800 ( P4 ) BOARD SENSOR BOARD AV ( P1 ) ASSEMBLY SW521 SW522 SW523 SW524 SW525 SW1501 BOARD POWER SWITCH SW1502 (P2) DVD MECHANISM &...
  • Page 97 (P3) PW/SW ASSEMBLY BOARD FUNCTION BOARD SWITCH SW3681 SW3682 SW3006 ( P3 ) PW/SW ASSEMBLY BOARD USB SW3404 SW3403 SW3402 BOARD POWER SUPPLY AC1001 F1001 1-20-3 E9TK5CEX...
  • Page 98 Packing Lower Side Upper Side Lower Side Upper Side X-2D X-2C X-2B X-2A 1-20-4 E9TK2PEX...
  • Page 99: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a ! have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
  • Page 100: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a PW/SW ASSEMBLY ! have special characteristics important to safety. Location Before replacing any of these components, read TSB P/N Reference No. Description carefully the product safety notice in this service ! P3 79105015 (Not Available)
  • Page 101 DECK MECHANISM SECTION DVD / VIDEO CASSETTE RECORDER DVR80KF Deck Mechanism Section I Standard Maintenance I Mechanism Alignment Procedures I Disassembly / Assembly of Mechanism I Deck Exploded Views TABLE OF CONTENTS Standard Maintenance ..............2-1-1 Service Fixture and Tools.
  • Page 102: Standard Maintenance

    STANDARD MAINTENANCE Service Schedule of Components This maintenance chart shows you the standard of replacement and cleaning time for each part. Because those may replace depending on environment and purpose for use, use the chart for reference. I: Replace h: Hours : Cleaning Deck Periodic Service Schedule...
  • Page 103 Cleaning Cleaning of ACE Head Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois 1.Remove the top cabinet. cloth. 2.Dip the cotton swab in 90% ethyl alcohol and clean Procedure the ACE Head.
  • Page 104: Service Fixture And Tools

    SERVICE FIXTURE AND TOOLS J-1-1, J-1-2 Ref. No. Name Part No. Adjustment J-1-1 Alignment Tape FL6A Head Adjustment of ACE Head J-1-2 Alignment Tape FL6N8 Azimuth and X Value Adjustment of ACE Head / (2 Head model) Adjustment of Envelope Waveform FL6NS8 (4 Head model) Guide Roller Adj.
  • Page 105: Mechanical Alignment Procedures

    MECHANICAL ALIGNMENT PROCEDURES Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information below loaded position without a cassette tape on this page if a tape gets stuck, for example, in the 1.
  • Page 106 1. Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the preset position every time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (FL6NS8) Guide Roller Adj.
  • Page 107 1-A. Preliminary/Final Checking and 4. If creasing or snaking is apparent, adjust the Tilt Alignment of Tape Path Adj. Screw of the ACE Head. (Fig. M6) Purpose: To make sure that the tape path is well stabilized. Azimuth Adj. Screw Symptom of Misalignment: If the tape path is unstable, the tape will be damaged.
  • Page 108 either at the beginning or end of track as shown in 5. To shift the CTL waveform, press [PROGRAM Fig. M10. or [PROGRAM ] button. Then make sure that the maximum output position of PB FM envelope Dropping envelope level at the beginning of track. ±...
  • Page 109 1-D. Azimuth Alignment of Audio/Con- 2. When the tape has been curled up or bent, turn the trol/ Erase Head alignment screw to adjust the height of REV Post. (Refer to Fig. M11 and M13.) Purpose: To correct the Azimuth alignment so that the Audio/ Control/Erase Head meets tape tracks properly.
  • Page 110: Disassembly/Assembly Procedures Of Deck Mechanism

    DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
  • Page 111 REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER [32] [26] Idler Assembly (HI) DM1H, DM14H *(L-9) [33] [26] BT Arm DM2H, DM14H *(P-5) Loading Arm (SP) (+)Refer to Alignment [34] [26] DM2H, DM14H Assembly Sec.Page 2-5-1 Loading Arm (TU) (+)Refer to Alignment [35]...
  • Page 112: Top View

    Top View [44] [45] [49] [46] [14] [13] [11] [15] [38] [10] [12] [37] [36] [43] [32] [41] [31] [40] [42] Fig. DM1H Bottom View [19] [35] [34] [25] [23] [24] [26] [27] [25a] [22] [28] [20] [33] Fig. DM2H 2-4-3 N25E1AVDA...
  • Page 113 (S-1) (S-1) (L-1) (L-3) (L-2) (S-1A) (P-1) Installation of [3] and [6] First, insert [6] diagonally in [3] as shown below. Then, install [6] in [3] while pushing (L-1) in the direction of the arrow. After installing [6] in [3], confirm that pin A Fig.
  • Page 114 [11] (S-4A) (L-4) [49] (P-3) [13] [50] Removal of [11] [12] (L-12) 1) Remove screw (S-4A). 2) Unhook spring (P-2). [10] 3) Release (L-4) while (P-2) holding [12] with a finger. 4) Loosen a finger holding [12] and remove [11]. (S-2) Pin of [12] Pin of [10]...
  • Page 115 Installation of [13] and [12] (S-5) [14] (S-6) [13] [15] Hook spring (P-3) up to [12] and [13], then install them to (P-3) the specified position so that [12] will be floated slightly while holding [12] and [13]. (Refer to Fig. A.) [11] [12] (S-4A)
  • Page 116 (C-1) turn [22] (S-8) [20] (L-6) [21] [19] Cap Belt B37A Pin on [22] Installation position of Cap Belt [20] Cap Belt [27] Position of pin on [22] Fig. DM12H [19] View for A Fig. DM11H Note: When removing FFC(B37A) of Capstan Motor from BOARD AV, be sure to replace the new FFC(B37A).
  • Page 117 Installation of [26] (S-9a) Position of Mode Lever when installed [25a] Pin of [33] Pin of [37] Pin of [36] [26] (C-3) (S-9) Bottom View (L-8) [26] [27] [23] (L-7) [24] Align [26] and [27] as shown. (C-5) (C-4) (C-2) [28] First groove on [27] [25]...
  • Page 118 [38] [36] [43] (P-6) turn [39] (L-10) turn [42] turn [47] [48] Slide [37] Fig. DM17H (C-7) [41] (C-6) [40] Fig. DM15H [45] [44] [46] (L-11) Slide Plate (S-11) Fig. DM16H 2-4-9 N25E1AVDA...
  • Page 119: Alignment Procedures Of Mechanism

    ALIGNMENT PROCEDURES OF MECHANISM The following procedures describe how to align the Alignment 1 individual gears and levers that make up the tape load- Loading Arm (SP) and (TU) Assembly ing/unloading mechanism. Since information about the state of the mechanism is provided to the System Install Loading Arm (SP) and (TU) Assembly so that Control Circuit only through the Mode Switch, it is their triangle marks point to each other as shown in...
  • Page 120: Deck Exploded Views

    DECK EXPLODED VIEWS Deck Mechanism View 1 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 B494 L1467 B553 L1191 B411 B567 L1053 B410 L1051 Chassis Assembly Top View (Lubricating Point) L1322 B501 L1450 L1450 L1466 B121 B126 B492 B571...
  • Page 121 Deck Mechanism View 2 Mark Description Floil G-684G or Multemp MH-D (Blue grease) B587 B521 B487 SLIDUS OIL #150 B416 B591 SANKOUL FG84M (Yellow grease) B590 B522 L1406 B148 B573 B499 B508 B574 B592 B585 B518 B558 B564 B557 B414 B572 B565 L1151...
  • Page 122 Deck Mechanism View 3 Mark Description Floil G-684G or Multemp MH-D (Blue grease) L1321 SLIDUS OIL #150 B347 L1321 B355 B354 B483 L1341 B425 B482 B562 B300 B563 B313 B529 B360 B359 B361 B555 B303 Some Ref. Numbers are not in sequence. B514 2-6-3 N25E1AVDEX...