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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...
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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.
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.
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.
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.
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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.
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...
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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.
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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.
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.
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.
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[ 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...
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.
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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...
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.
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...
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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...
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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...
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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.
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...
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.
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.
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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.
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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...
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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...
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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...
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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.
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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...
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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.
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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...
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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.
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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...
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...
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...
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”...
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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...
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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...
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...
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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.
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...
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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.
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...
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.
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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.
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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.
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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.
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;...
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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]...
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(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.
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(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.
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[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]...
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(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]...
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...
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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.
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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...
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Some Ref. Numbers are not in sequence. Packing TAPE 2B36 3-1-3 HD230PEX...
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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.
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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...
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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...
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