Durabrand DCV203 Service Manual
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Durabrand DCV203 Service Manual

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SERVICE MANUAL
Sec. 1: Main Section
I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA's
VIDEO CASSETTE RECORDER
VIDEO
VIDEO
Sec. 2: Deck Mechanism Section
I Standard Maintenance
I Alignment for Mechanism
I Disassembly/Assembly of Mechanism
I Alignment Procedures of Mechanism
DCV203
POWER
AUDIO
POWER
CHANNEL
DCV603
POWER
CHANNEL
L-AUDIO-R
POWER
REC
VCR/TV
TIMER
TAPE IN
STOP/EJECT
REC/OTR
MENU
MENU
REC/OTR
VCR/TV
TAPE IN
TIMER
REC
Sec. 3: Exploded views
and Parts List Section
I Exploded views
I Parts List
REW
F.FWD
PLAY

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Summary of Contents for Durabrand DCV203

  • Page 1 I Preparation for Servicing I Exploded views I Disassembly/Assembly of Mechanism I Parts List I Adjustment Procedures I Alignment Procedures of Mechanism I Schematic Diagrams I CBA’s VIDEO CASSETTE RECORDER DCV203 POWER VCR/TV TIMER TAPE IN VIDEO AUDIO STOP/EJECT F.FWD...
  • Page 2 IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

  • Page 3: Table Of Contents

    MAIN SECTION VIDEO CASSETTE RECORDER DCV203/DCV603 Sec. 1: Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA’s TABLE OF CONTENTS Specifications................1-1-1 Important Safety Precautions.

  • Page 4: Specifications

    SPECIFICATIONS Description Unit Minimum Nominal Maximum Remark 1. Video 1-1. Video Output (PB) Vp-p SP Mode 1-2. Video Output (R/P) Vp-p SP Mode, 1-3. Video S/N Y (R/P) W/O Burst 1-4. Video Color S/N AM (R/P) SP Mode 1-5. Video Color S/N PM (R/P) SP Mode 1-6.

  • Page 5: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice I. Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not evi- K.
  • Page 6 Safety Check after Servicing Examine the area surrounding the repaired location for Chassis or Secondary Conductor damage or deterioration. Observe that screws, parts, and wires have been returned to their original posi- tions. Afterwards, do the following tests and confirm Primary Circuit Terminals the specified values to verify compliance with safety standards.

  • Page 7: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications How to Remove / Install Flat Pack-IC a. The output pin of the 3 pin Regulator ICs is indi- 1. Removal cated as shown. With Hot-Air Flat Pack-IC Desoldering Machine: (1) Prepare the hot-air flat pack-IC desoldering Top View Bottom View machine, then apply hot air to the Flat Pack-IC...
  • Page 8 With Soldering Iron: (4) Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply (1) Using desoldering braid, remove the solder from all soldering iron to center of the flat pack-IC and heat pins of the flat pack-IC.
  • Page 9 2. Installation Instructions for Handling Semi-conductors (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA Electrostatic breakdown of the semi-conductors may so you can install a replacement flat pack-IC more occur due to a potential difference caused by electro- easily.

  • Page 10: 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 the PLAY button.

  • Page 11: Operating Controls And Functions

    OPERATING CONTROLS AND FUNCTIONS [ DCV203 ] 1. EJECT button 2. NUMBER buttons 3. MENU button POWER EJECT VCR / TV 4. RECORD button POWER VCR/TV TIMER TAPE IN 5. SPEED button VIDEO AUDIO STOP/EJECT F.FWD REC/OTR PLAY POWER CHANNEL MENU 6.
  • Page 12 [ DCV603 ] 1. EJECT button 2. NUMBER buttons 3. MENU button POWER EJECT VCR/TV 4. RECORD button POWER 5. SPEED button CHANNEL MENU REC/OTR VIDEO L-AUDIO-R POWER VCR/TV TAPE IN TIMER 6. REW button CHANNEL 7. STOP button 8. PLAY button SEARCH 11 10 5 4 3 2...

  • Page 13: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart (1): Identification (location) No. of parts in the figures (2): Name of the part This flowchart indicates the disassembly steps to gain (3): Figure Number for reference access to item(s) to be serviced. When reassembling, (4): Identification of parts to be removed, unhooked, follow the steps in reverse order.
  • Page 14 Cylinder (L-2) FE Head (L-2) Assembly AC Head Assembly [4] Deck Assembly [2] Front Assembly (L-1) (S-3) Fig. D2 (S-2) (S-2) [5] Main CBA (S-3) (S-3) From Capstan From From From Motor Cylinder AC Head FE Head Assembly Assembly Assembly [3]VCR Chassis Unit Lead with...
  • Page 15 SW507 LD-SW [5] Main CBA [4] Deck Assembly Cam Gear Hole Shaft Hole LD-SW [5] Main CBA Fig. D5 1-6-3 HD300DC...

  • Page 16: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: "CBA" is an abbreviation for "Circuit Board Assembly." NOTE: Figure 1 1.Electrical adjustments are required after replacing circuit components and certain mechanical parts. It is important to do these adjustments only after EXT. Syncronize Trigger Point all repairs and replacements have been com- V-Sync pleted.

  • Page 17: Block Diagrams

    BLOCK DIAGRAMS Servo/System Control Block Diagram MAIN CBA IC501 TP502 AL+5V (SERVO/SYSTEM CONTROL) S-INH RS501 REMOTE KEY- 1 REMOCON-IN SWITCH (DECK ASSEMBLY) SENSOR D555 KEY- 2 S-LED D561 POWER TP513 P-ON+9V AC HEAD ASSEMBLY SWITCH P-ON+5V D565 REC CN504 CTL(+) REC-IND CL504 CONTROL...
  • Page 18 Video Block Diagram REC VIDEO SIGNAL PB VIDEO SIGNAL MODE: SP/REC MAIN CBA TP751 IC501 (OSD) V-OUT Q391 CHARACTER BUFFER JK751 V-OUT IC301 TU701 (VIDEO SIGNAL PROCESS/ HEAD AMP) (TUNER UNIT) VIDEO-IN Q301 CCD 1H BUFFER DELAY VIDEO-OUT CHARA LUMINANCE DOC YNR Y/C COMB SIGNAL PROCESS TUNER...
  • Page 19 Audio Block Diagram PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA DCV603 TU701 DCV603 SIF OUT 15 DCV203 N-A-OUT AUDIO-OUT 14 MOD-A AUDIO-IN DCV203 JK751 A-OUT (R) FROM/TO A-OUT (L) A-OUT (R) Hi-Fi AUDIO A-IN (L) BLOCK A-IN (R)
  • Page 20 Hi-Fi Audio Block Diagram ( DCV603 ) PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP) CONT SERIAL IIC-BUS SDA FROM/TO DATA IIC-BUS SCL SERVO/ SYSTEM DECODER ST/SAP CONTROL BLOCK DEMOD FILTER DEMOD MATRIX...
  • Page 21 Power Supply Block Diagram CAUTION CAUTION ! NOTE : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using REPLACE ONLY WITH THE SAME TYPE FUSE.

  • Page 22: Function Indicator Symbols

    The following symbols will appear on the indicator panel to indicate the current mode or operation of the VCR. On-screen modes will also be momentarily displayed on the tv screen when you press the operation buttons. Display panel [ DCV203 ] [ DCV603 ] POWER...

  • Page 23: Power Supply Trouble Shooting Guide

    Power Supply Trouble Shooting Guide It is highly recommended that a variable isolation If the tester does not indicate any low resistance value transformer which can monitor current be used. (around 0 ohm), no load is short-circuited and there is (Alternatively a variable AC source which moni- no problem.

  • Page 24: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Notes: WARNING 1. Do not use the part number shown on these draw- ings for ordering. The correct part number is shown Many electrical and mechanical parts in this chassis in the parts list, and may be slightly different or have special characteristics.
  • Page 25 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. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE.
  • Page 26 Main 1/5 Schematic Diagram REC Video Signal PB Video Signal MAIN 1/5 Schematic Diagram Parts Location Guide REC Audio Signal PB Audio Signal Ref No. Position IC501 COILS L501 L502 L503 L504 TRANSISTORS Q501 Q506 TEST POINTS TP505 TP513 1-9-3 1-9-4 HD230SCM1...
  • Page 27 Main 2/5 Schematic Diagram REC Video Signal PB Video Signal MAIN 2/5 Schematic Diagram REC Audio Signal PB Audio Signal Parts Location Guide Ref No. Position COILS L701 TRANSISTORS Q503 Q504 Q562 Q563 TEST POINTS TP502 TP506 TP751 TP753 TP754 1-9-5 1-9-6 HD230SCM2...
  • Page 28 Main 3/5 Schematic Diagram MAIN 3/5 Schematic Diagram REC Video Signal PB Video Signal Parts Location Guide REC Audio Signal PB Audio Signal Ref No. Position IC301 COILS L251 L303 L304 L421 L422 TRANSISTORS Q301 Q302 Q303 Q391 Q421 Q422 Q425 Q426 TEST POINTS...
  • Page 29 Main 4/5 Schematic Diagram MAIN 4/5 Schematic Diagram Parts Location Guide Ref No. Position CAUTION ! CAUTION Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, If Main Fuse (F1001) is blown, check to see that all components in the power supply IC001 REPLACE ONLY WITH THE SAME TYPE FUSE.
  • Page 30 Main 5/5 Schematic Diagram ( DCV603 ) REC Video Signal PB Video Signal MAIN 5/5 Schematic Diagram REC Audio Signal PB Audio Signal Parts Location Guide Ref No. Position IC451 COILS L452 AA-4 TEST POINTS TP452 AA-3 1-9-11 1-9-12 HD441SCM5...
  • Page 31 Main CBA Top View CAUTION ! CAUTION BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. If Main Fuse (F1001) is blown, check to see that all components in the power supply REPLACE ONLY WITH THE SAME TYPE FUSE.
  • Page 32 Main CBA Bottom View MAIN CBA Parts Location Guide Ref No. Position CAUTION IC001 FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! IC002 REPLACE ONLY WITH THE SAME TYPE FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. IC301 ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES If Main Fuse (F1001) is blown, check to see that all components in the power supply...
  • Page 33 Main CBA Top View CAUTION ! CAUTION BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. REPLACE ONLY WITH THE SAME TYPE FUSE.
  • Page 34 Main CBA Bottom View MAIN CBA Parts Location Guide Ref No. Position CAUTION IC001 FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! IC002 REPLACE ONLY WITH THE SAME TYPE FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. IC301 ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES If Main Fuse (F1001) is blown, check to see that all components in the power supply...

  • Page 35: Waveforms

    WAVEFORMS (TP751 of Main CBA) (Pin 6 of TU701) (Pin 18 of TU701) V-OUT E-E 10usec 50mV x 10 MOD-V 20mV x 10 2msec TU VIDEO 20mV x 10 10usec (TP751 of Main CBA) UPPER (TP302 of Main CBA) (Pin 11 of TU701) LOWER V-OUT 0.1V x 10...

  • Page 36: Wiring Diagrams

    WIRING DIAGRAM AC CORD FRONT REAR (DECK ASSEMBLY) VIDEO AUDIO AUDIO VIDEO AUDIO AUDIO VIDEO AUDIO AUDIO IN (R) IN (L) IN (R) IN (L) OUT (R) OUT (L) ANT-IN ANT-OUT DCV603 DCV603 DCV603 AC HEAD ASSEMBLY CL504 AUDIO AE-H ERASE HEAD AE-H/FE-H A-COM...

  • Page 37: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Mode SW : LD-SW LD-SW Position detection A/D Input voltage Limit Symbol (Calculated voltage) 3.76V~4.50V (4.12V) 4.51V~5.00V (5.00V) 0.00V~0.25V (0.00V) 1.06V~1.50V (1.21V) 0.66V~1.05V (0.91V) 1.99V~2.60V (2.17V) 1.51V~1.98V (1.80V) 3.20V~3.75V (3.40V) 0.26V~0.65V (0.44V) 4.51V~5.00V (5.00V) 2.61V~3.19V (2.97V) Note: Note : RS: Loading FWD (LM-FWD “H”, LM-REV “L”)
  • Page 38 [ DCV203 ] EJECT ST-S/ END-S "OFF" CASS.LOAD LD-FWD 0.2S LD-REV 0.7S LD-FWD 0.4S LD-FWD 0.2S LD-REV 0.2S LD-FWD 0.5S LD-REV STOP(A) PLAY LD-FWD PLAY LD-FWD LD-REV 0.2S LD-FWD PLAY PLAY PAUSE STILL PAUSE NOISE CANCEL PAUSE STILL PAUSE NOISE...
  • Page 39 STOP(A) STOP LD-REV 0.2S LD-FWD STOP /EJECT 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-REV 0.2S LD-FWD STOP /EJECT LD-REV 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-FWD PAUSE LD-FWD 2.5S Short REV LD-REV 0.2S LD-FWD REC PAUSE REC or PAUSE STOP /EJECT LD-FWD 1.5S LD-REV 0.2S...
  • Page 40 [ DCV603 ] Still/Slow Control Frame Advance Timing Chart 1) SP Mode 18 RF-SW The first rise of RF-SW after a rise in F-AD signal F-AD (Internal Signal) "H" "H" "Z" C-DRIVE "L" "L" Stop detection (T2) Acceleration Detection (T1) Slow Tracking Value PB CTL Reversal Limit Value...
  • Page 41 2) LP/SLP Mode 18 RF-SW The first rise of RF-SW after a rise in F-AD signal F-AD (Internal Signal) "H" "H" "Z" C-DRIVE "L" "L" Stop detection (T2) Acceleration Detection (T1) Slow Tracking Value PB CTL Reversal Limit Value 20ms 27 C-F/R 79 H-A-SW 78 ROTA...
  • Page 42 EJECT ST-S/ END-S "OFF" CASS.LOAD LD-FWD 0.2S LD-REV 0.7S LD-FWD 0.4S LD-FWD 0.2S LD-REV 0.2S LD-FWD 0.5S LD-REV STOP(A) PLAY LD-FWD PLAY LD-FWD LD-REV 0.2S LD-FWD PLAY PLAY PAUSE (SLOW) LD-FWD STILL(SLOW) PLAY LD-REV 0.2S LD-FWD PLAY STOP /EJECT LD-REV STOP(A) Fig.
  • Page 43 STOP(A) STOP LD-REV 0.2S LD-FWD STOP /EJECT 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-REV 0.2S LD-FWD STOP /EJECT LD-REV 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-FWD PAUSE LD-FWD 2.5S Short REV LD-REV 0.2S LD-FWD REC PAUSE REC or PAUSE STOP /EJECT LD-FWD 1.5S LD-REV 0.2S...

  • Page 44: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS Comparison Chart of Models and Marks Signal Active Mark Function Name Level Model Mark Input Selector DCV203 Control Signal H/Hi-z OUT INSEL/ (EE/Rec)/Still/ DCV603 ST-SL Slow (Playback) IC501( SERVO / SYSTEM CONTROL IC ) PIC- Picture Control TURE- “H”...
  • Page 45 Signal Active Signal Active Mark Function Mark Function Name Level Name Level Playback/ Main Clock OSCI Input CTL (+) Record Control Signal (+) 14.31818MHz Playback/ CTL (-) Record Control Sub Clock Signal (-) Input 32.768 Amp. Output OUT CTL Control Signal Sub Clock for Test Point OUT XO...
  • Page 46 Signal Active Mark Function Name Level “CASSETTE” OUT CAS-IND LED Signal Output TIMER- “TIMER” LED Signal Output RF Conv. Out- put Channel CONV- Switching Sig- Hi-z/L nal 3ch=”Hi-z”, 4ch=”L” RF Conv. ON/ OFF Signal OUT VCR/TV (TV="L"/ VCR="H") Color Phase Rotary OUT C-ROTA Changeover...

  • Page 47: Lead Identifications

    LEAD IDENTIFICATIONS BA1F4M-T 2SC1815-BL(TPE2) KTA1266(GR) 2SC1815-Y(TPE2) 2SK3374 KTC3199(Y,GR,BL) 2SC1815-GR(TPE2) 2SK3472 2SC2785(J,H,F,K) 2SC2120-Y(TPE2) KRC103M KTC3203(Y) 2SA1015-GR(TPE2) KTC3198(Y,GR) E C B E C B S D G LA71091M LTV-817(B,C)-F RN1511(TE85R) EL817(A,B) FMG4A T148 KIA431-AT KIA431A-AT TL431A-TA QSZAB0RMS005 LA72670M K A R MID-32A22 PT204-6B-12 Note: A: Anode...
  • Page 48 DECK MECHANISM SECTION VIDEO CASSETTE RECORDER DCV203/DCV603 Sec. 2: Deck Mechanism Section I Standard Maintenance I Alignment for Mechanism I Disassembly/Assembly of Mechanism I Alignment Procedures of Mechanism TABLE OF CONTENTS Standard Maintenance..............2-1-1 Service Fixtures and Tools.

  • Page 49: Standard Maintenance

    STANDARD MAINTENANCE Service Schedule of Components H: Hours : Check I: Change Deck Periodic Service Schedule Ref.No. Part Name 1,000 H 2,000 H 3,000 H 4,000 H Cylinder Assembly Loading Motor Assembly Pulley Assembly B587 Tension Lever Assembly AC Head Assembly B573,B574 Reel (SP)(D2), Reel (TU)(D2) Capstan Motor...
  • Page 50 Cleaning Cleaning of Audio Control 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% isopropyl alcohol and Procedure clean the audio control head.

  • Page 51: Service Fixtures And Tools

    SERVICE FIXTURE AND TOOLS J-1-1, J-1-2 Ref. No. Name Part No. Adjustment J-1-1 Alignment Tape FL8A Head Adjustment of Audio Control Head J-1-2 Alignment Tape FL8N Azimuth and X Value Adjustment of Audio Control (2Head only) Head / Adjustment of Envelope Waveform FL8NW (4Head only) Guide Roller Adj.Screwdriver...

  • Page 52: 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 53 1.Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the center 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 (FL8NW) Guide Roller Adj.
  • Page 54 1-A. Preliminary/Final Checking and 3. Check to see that the tape runs without creasing at Alignment of Tape Path Take-up Guide Post [4] or without snaking between Guide Roller [3] and AC Head. (Fig. M3 and M5) Purpose: 4. If creasing or snaking is apparent, adjust the Tilt To make sure that the tape path is well stabilized.
  • Page 55 6. Press CH DOWN button on the unit until the CTL 1-D. Azimuth Alignment of Audio/Control/ waveform has shifted from its original position (not Erase Head the position achieved in step 5, but the position of Purpose: CTL waveform in step 4) by approximately -2msec. To correct the Azimuth alignment so that the Audio/ Make sure that the envelope is simply attenuated Control/Erase Head meets tape tracks properly.

  • Page 56: 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 on page 1-6-1.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
  • Page 57 REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER Loading Arm (TU) (+)Refer to Alignment [32] [33] DM2,DM14 Assembly Sec.Pg.2-4-9 [34] [2],[25] M Brake (TU) Assembly DM1,DM15 *(P-7), Brake Belt [35] [2],[25] M Brake (SP) Assembly DM1,DM15 *(P-8) [36] [35]...
  • Page 58 Top View [41] [42] [46] [43] [14] [13] [11] [15] [36] [10] [12] [35] [34] [40] [29] [30] [16] [39] [38] Fig. DM1 Bottom View [20] [33] [32] [24] [26] [27] [25] [23] [28] [22] [21] [31] Fig. DM2 2-4-3 U27NDA...
  • Page 59 (S-1) (S-1) (L-1) (L-3) (L-2) (P-1) Fig. DM5 [46] Fig. DM3 [47] Pin D (L-14) Pin C Pull up Slide Pin A Pin B Slot A (S-2) Slots B Slot A First, while pushing the locking tab as shown at right, slide and pull up the right side on [2] to release Pin A and Pin B from the slots A.
  • Page 60 (S-4) (S-5) [14] (S-6) [16] [15] Desolder from bottom (S-3) Lead with White Stripe Belt View for A Fig. DM7 Fig. DM9 Adj. Screw [11] [18] (L-4) (L-5) (P-3) [17] [13] [19] [12] (P-4) [10] (P-2) (S-7) Pin of [12] Pin of [10] Fig.
  • Page 61 [22] (C-4) (S-8) (C-1) [23] (L-6) [21] (P-5) [20] Cap Belt (P-5) [28] Fig. DM11 When installing [23], install the spring (P-5) to [28] as shown in the left figure, and then install [23] while Pin on pressing the spring (P-5) to bottom the direction of the arrow in of [23]...
  • Page 62 (P-6) [25] [31] Refer to the Alignment (C-3) Section, Page 2-4-9. (S-9) [29] [33] [30] (L-11) [32] (L-10) (L-8) (C-2) [27] [28] [24] [26] (L-9) Fig. DM14 [36] Position of Mode Lever when installed Break belt Pin of [35] (P-7) Pin of [31] Pin of [34] [34]...
  • Page 63 [42] [41] [43] (L-13) Fig. DM16 [44] [45] Slide Fig. DM17 2-4-8 U27NDA...

  • Page 64: Alignment Procedures Of Mechanism

    ALIGNMENT PROCEDURES OF MECHANISM Alignment 1 The following procedures describe how to align the individual gears and levers that make up the tape Loading Arm (SP) and (TU) Assembly loading/unloading mechanism. Since information about the state of the mechanism is provided to the Install Loading Arm (SP) and (TU) Assembly so System Control Circuit only through the Mode Switch, that their triangle marks point to each other as...
  • Page 65 EXPLODED VIEWS AND PARTS LIST SECTION VIDEO CASSETTE RECORDER DCV203/DCV603 Sec. 3: Exploded views and Parts List Section I Exploded views I Parts List TABLE OF CONTENTS Exploded Views ............... . 3-1-1 Mechanical Parts List.
  • Page 66 EXPLODED VIEWS Front Panel [ DCV203 ] [ DCV603 ] 3-1-1 HD230FEX...
  • Page 67 Cabinet 2L011 2L011 See Electrical Parts List for parts with this mark. 2L011 Some Ref. Numbers are not in sequence. 2L011 2L021 2L021 2L021 2L021 2L021 SENSOR CBA 2B34 2L051 SENSOR CBA MAIN CBA RS501 2L099 2L031 AC001 3-1-2 HD300CEX...
  • Page 68 Some Ref. Numbers are not in sequence. Packing TAPE 2B36 3-1-3 HD230PEX...
  • Page 69 DECK EXPLODED VIEWS Deck Mechanism View 1 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 B494 L1467 L1191 B553 B411 B567 L1053 B410 L1051 Chassis Assembly Top View (Lubricating Point) B501 B560 L1450 L1450 B426 L1466 B121 B126 B492...
  • Page 70 B574 B558 B564 B557 B414 B565 B525 L1151 B417 B568 B134 B569 B593 B133 [ DCV203 ] [ DCV603 ] B491 B488 Bottom Side B559 B570 (Grease point) B516 B502 B507 View for A B513 (Grease point) Bottom Side (Grease point) Some Ref.
  • Page 71 Deck Mechanism View 3 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 L1321 B347 L1321 B355 B354 B483 B425 B482 B562 B300 B563 B313 B529 B360 B359 B361 B555 B303 Some Ref. Numbers are not in sequence. B514 3-1-6 HD230DEX...
  • Page 72 DCV203/603 (HD230/441CD) DCV203/603 (HD230/441CD) 20030218 JACK BOARD(MONO) HD200UD 0VM203803 JACK BOARD(HIFI) HD400UD 0VM203804 DCV203/603 (HD230/441CD) AC001! AC CORD A0A0280-007 WAC0172LTE04 AC001! AC CORD PB8K9F9110A-057 WAC0172LW008 Mark Model C001! METALLIZED FILM CAP. 0.01UF/275V K CT2E103HJE13 DCV203 (HD230CD) C001! METALLIZED FILM CAP. 0.01UF/275V K...
  • Page 73 DCV203/603 (HD230/441CD) DCV203/603 (HD230/441CD) C314 CHIP CERAMIC CAP.(MELF) SL J 100PF/50V CZM1JJ3SL101 C352 CHIP CERAMIC CAP. B K 0.047UF/25V CHD1EK30B473 C314 CHIP CERAMIC CAP. CH J 100PF/50V CHD1JJBCH101 C353 CHIP CERAMIC CAP. B K 0.01UF/50V CHD1JKB0B103 C314 CHIP CERAMIC CAP. CH J 100PF/50V...
  • Page 74 DCV203/603 (HD230/441CD) DCV203/603 (HD230/441CD) C424 CERAMIC CAP. B K 470PF/100V CCD2AKS0B471 C488 CHIP CERAMIC CAP. F Z 1UF/10V CHD1AZ30F105 C448 ELECTROLYTIC CAP. 4.7UF/50V M H7 CE1JMAVSL4R7 C489 ELECTROLYTIC CAP. 1UF/50V M H7 CE1JMAVSL1R0 C449 ELECTROLYTIC CAP. 4.7UF/50V M H7 CE1JMAVSL4R7 C491 ELECTROLYTIC CAP.
  • Page 75 DCV203/603 (HD230/441CD) DCV203/603 (HD230/441CD) C534 CHIP CERAMIC CAP. B K 0.1UF/16V CHD1CK30B104 D052 ZENER DIODE DZ-10BSBT265 NDTB00DZ10BS C535 ELECTROLYTIC CAP. 22UF/10V M H7 CE1AMAVSL220 D052 ZENER DIODE MTZJT-7710B QDTB00MTZJ10 C536 CHIP CERAMIC CAP. B K 1000PF/50V CHD1JKB0B102 D053 PCB JUMPER D0.6-P10.0 JW10.0T...
  • Page 76 DCV203/603 (HD230/441CD) DCV203/603 (HD230/441CD) Q002 TRANSISTOR 2SC2785(K) QQSK02SC2785 R017 CARBON RES. 1/4W J 33K OHM RCX4JATZ0333 Q002 TRANSISTOR 2SC1815-BL(TPE2) QQS202SC1815 R018 CARBON RES. 1/4W J 33K OHM RCX4JATZ0333 Q052 RES. BUILT-IN TRANSISTOR KRC103M NQSZ0KRC103M R019 CARBON RES. 1/6W J 470K OHM...
  • Page 77 DCV203/603 (HD230/441CD) DCV203/603 (HD230/441CD) R311 CHIP RES.(1608) 1/10W J 4.7K OHM RRXAJB5Z0472 R406 CHIP RES.(1608) 1/10W J 4.7K OHM RRXAJB5Z0472 R311 CHIP RES.(1608) 1/10W J 4.7K OHM RRXAJR5Z0472 R406 CHIP RES.(1608) 1/10W J 4.7K OHM RRXAJR5Z0472 R312 CHIP RES.(1608) 1/10W J 1.2K OHM...
  • Page 78 DCV203/603 (HD230/441CD) DCV203/603 (HD230/441CD) R458 CHIP RES.(1608) 1/10W J 2.7K OHM RRXAJR5Z0272 R530 CHIP RES.(1608) 1/10W J 1K OHM RRXAJB5Z0102 R459 CHIP RES.(1608) 1/10W J 22K OHM RRXAJB5Z0223 R530 CHIP RES.(1608) 1/10W J 1K OHM RRXAJR5Z0102 R459 CHIP RES.(1608) 1/10W J 22K OHM...
  • Page 79 DCV203/603 (HD230/441CD) DCV203/603 (HD230/441CD) R589 CHIP RES.(1608) 1/10W 0 OHM RRXAZB5Z0000 SW505 TACT SWITCH KSM0614B SST0101HH013 R589 CHIP RES.(1608) 1/10W 0 OHM RRXAZR5Z0000 SW505 TACT SWITCH SKQSAF001A SST0101AL041 R590 CHIP RES.(1608) 1/10W J 4.7K OHM RRXAJB5Z0472 SW505 TACT SWITCH TC-1104(H=9.5)
  • Page 80 DCV203/603 (HD230/441CD) DCV203/603 (HD230/441CD) AC HEAD ASSEMBLY MK12 0VSA13275 B557 MOTOR PULLEY U5 0VM403205A TAPE GUIDE ARM ASSEMBLY MK12 0VSA13277 B558 LOADING MOTOR M31E-1 R14 7352 MMDZB12MM005 CAPSTAN MOTOR 288/VCCM012 N9672CML B559 CLUTCH ASSEMBLY MK12 0VSA13284 CAP BELT(DSNY) MK11 0VM414098...
  • Page 81 Printed in Japan 2003-03-15 HO...

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