JVC HR-XVC20US(R) Service Manual

Also see for HR-XVC20USR: User guide Service manual

Contents

TABLE OF CONTENTSSection Title Page Section Title PageHOW TO IDENTIFY MODELSDISASSEMBLY INSTRUCTIONS1. REMOVAL OF MECHANICAL PARTS AND P.C.BOARDS ............... 1-11-1 TOP CABINET AND FRONT CABINET ............................ 1-11-2 FLAP .................................................................................. 1-11-3 DVD DECK ........................................................................ 1-11-4 DVD PCB ........................................................................... 1-21-5 VCR DECK ........................................................................ 1-21-6 VCR PCB ........................................................................... 1-24. REMOVAL OF DVD DECK PARTS ......................................... 1-34-1 TRAY .................................................................................. 1-34-2 MAIN CHASSIS ASS’Y ...................................................... 1-34-3 RACK LOADING / MAIN GEAR / RACK LOADING SPRING / RACK L SPRING .. 1-34-4 CLAMPER ASS’Y / INSULATOR(R) / LEVER SWITCH .... 1-34-5 TRAVERSE HOLDER / INSULATOR(F) ............................ 1-44-6 SWITCH PCB ASS’Y ......................................................... 1-44-7 RACK FEED ASS’Y ........................................................... 1-44-8 RELAY PCB ASS’Y ............................................................ 1-54-9 GEAR ................................................................................. 1-54-10 IDLER ARM ..................................................................... 1-54-11 FEED MOTOR ................................................................. 1-6ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE .............. 1-7WHEN REPLACING EEPROM(MEMORY) IC ........................... 1-8SERVO TIMING CHART ............................................................ 1-8CHARTS AND DIAGRAMSINTERCONNECTION DIAGRAM ............................................ 2-1Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM .......... 2-3SYSCON SCHEMTAIC DIAGRAM .......................................... 2-5TUNER/JACK SCHEMATIC DIAGRAM .................................. 2-7OPERATION/DISPLAY SCHEMATIC DIAGRAM .................... 2-9HI-FI/DEMODULATOR SCHEMATIC DIAGRAM .................. 2-11POWER SCHEMATIC DIAGRAM ......................................... 2-13OPERATION/LED SCHEMATIC DIAGRAM .......................... 2-15SW/RELAY/FG SCHEMATIC DIAGRAM .............................. 2-17MPEG/MICOM SCHEMATIC DIAGRAM ............................... 2-19MEMORY SCHEMATIC DIAGRAM ....................................... 2-21RF AMP/DSP SCHEMATIC DIAGRAM ................................. 2-23AUDIO/VIDEO SCHEMATIC DIARAM .................................. 2-25PRINTED CIRCUIT BOARD VCR ......................................... 2-27PRINTED CIRCUIT BOARD DVD ......................................... 2-31PRINTED CIRCUIT BOARD OPERATION ............................ 2-34PARTS LIST3.1 EXPLODED VIEW ................................................................ 3-13.1.1 PACKING AND ACCESSORY ASSEMBLY .......... 3-13.1.2 FINAL ASSEMBLY ................................................ 3-23.1.3 MECHANISM ASSEMBLY(DVD) .......................... 3-33.1.4 MECHANISM ASSEMBLY(VCR) .......................... 3-43.2 ELECTRICAL PARTS LIST .................................................. 3-6PACKING AND ACCESSORY ASSEMBLY .................... 3-6FINAL ASSEMBLY .......................................................... 3-6MECHANISM ASSEMBLY(VCR) .................................... 3-6MECHANISM ASSEMBLY(DVD) ................................... 3-7VCR BOARD ASSEMBLY<03> ............................................... 3-7OPERATION BOARD ASSEMBLY<28> ................................ 3-12DVD BOARD ASSEMBLY<50> .............................................. 3-12CAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENAVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIRLI S T E D4 4 L 6E68219 CAT. M2C58VIDEO SYSTEMFCC ID : A7RM2C5A CHASSIS:M2C58 KDDVD/VIDEO CASSETTE RECORDERAC/CA 120V 60Hz 18WConfidential unpublished works. ©1992-1997 Dolby Laboratories. All rights reserved."Dolby" and the double-D symbol are trademarks of Dolby Laboratories.Manufactured under license from Dolby Laboratories.and 4,907,093 licensed for limited viewing uses only.Apparatus Claims of U.S. Patent Nos. 4,631,603;4,577,216;4,819,098"DTS" and "DTS Digital Out" are trademarks of Digital Theater Systems, lnc.CERTIFICATION : COMPLIES WITH FDA RADIATION PERFORMANCE STANDARDS, 21 CFR SUBCHAPTER J.THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES.CABLE COMPATIBLE TELEVISION APPARATUS-TÉLÉVISION CÂBLOCOMPATIBLE, CANADAOPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS : 1 THIS DEVICE MAY NOTCAUSE HARMFUL INTERFERENCE, AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCERECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.DISTRIBUT PAR JVC CANADA, INC. 21 FINCHDENE SQUARE, SCARBOROUGH, ONTARIO.MIX 1A7.DISTRIBUTED BY JVC CANADA, INC. 21 FINCHDENE SQUARE, SCARBOROUGH, ONTARIO.MIX 1A7.DISTRIBUTED BY JVC AMERICAS CORP., 1700 VALLEY ROAD, WAYNE, N.J. 07470DISTRIBUTOR / DISTRIBUTEURMANUFACTURED/FABRIQU ¸ :SERIAL NO./NO.DE SERIEMADE IN THAILAND/FABRIQUE EN THAILANDE( )( )VHF/UHFDVD/VCR OUTPUTVIDEOAUDIOLRINANT( )OUTTV( )722538A048MODEL/MODELE NO. HR-XVC20U R[blank] : HR-XVC20US(R) : HR-XVC20US(R)RATING LABELHow to recognize from the appearance of the model concerned is written below.Please distinguish from several contents currently printed on the rating label of the rear panel.HOW TO IDENTIFY MODELS