Jvc HRXVC 20 UR Service Manual

Page 2

TABLE OF CONTENTS

Section Title

HOW TO IDENTIFY MODELS

DISASSEMBLV INSTRUCTIONS

1L REMOVAL OF MECHANICAL PARTS AND P.C.BOARDS
171 TOP CABINETAND FRONT CABINET

72 FLAP ........
DVD DECK

1
173

174 ..
175 VCR DECK
176
4. REMOVAL OF DVD DECK PARTS
*1 TRAY ...........................
2 MAIN CHASSIS ASS'Y ..
*3 RACK LOADING I MAIN GEAR/Fl ..
,4 CLAMPER ASSY/ |NSULATOR(R) / LEVER SWITCH
,5 TRAVERSE HOLDER / |NSULATOR(F)
*6

,7

*8

SWITCH PCB ASS'Y
RACK FEED ASSY
RELAY PCB ASSY.
49 GEAR ..
440 IDLER
4711 FEED MOTO
ELECTRICAL ADJUSTMENT PARTS LOCATION GUID
WHEN REPLACING EEPROM(MEMORY) IC
SERVO TIMING CHART ...............................

CHARTS AND DIAGRAMS
INTERCONNECTION DIAGRAM IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM
SYSCON SCHEMTAIC DIAGRAM .......
TUNER/JACK SCHEMATIC DIAGRAM
OPERATION/DISPLAY SCHEMATIC DIAGRAM
HIEFI/DEMODULATOR SCHEMATIC DIAGRAM
POWER SCHEMATIC DIAGRAM IIIIIIIIIIIIII
OPERATION/LED SCHEMATIC DIAGRAM
SW/RELAY/FG SCHEMATIC DIAGRAM
MPEG/MICOM SCHEMATIC DIAGRAM .
MEMORY SCHEMATIC DIAGRAM ......
RF AMP/DSP SCHEMATIC DIAGRAM
AUDIO/VIDEO SCHEMATIC DIARAM .
PRINTED CIRCUIT BOARD VCR.
PRINTED CIRCUIT BOARD DVD .
PRINTED CIRCUIT BOARD OPERATIO

PNN~N

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\IU'ICD-CDVU'ICD-(OVUICDA

NNNNNNNNN

Section Title
PARTS LIST
3.1 EXPLODED VIEW ...................................................
3L1.1 PACKING AND ACCESSORY ASSEMBLY .
31 2 FINALASSEMBLY IIIIIIIIIIIIIIIIIIIIII
31.3 MECHANISM ASSEMBLY(DVD)
31 4 MECHANISM ASSEMBLY(VCR)
3.2 ELECTRICAL PARTS LIST IIIIIIIIIIIIIIIIIIIIIIII
PACKING AND ACCESSORY ASSEMBLY
FINALASSEMBLY .....................
MECHANISM ASSEMBLY(VCR)
MECHANISM ASSEMBLY(DVD)
VCR BOARD ASSEMBLY<03> ...........
OPERATION BOARD ASSEMBLY<28> L
DVD BOARD ASSEMBLY<50> ...........

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HOW TO IDENTIFY MODELS

How 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.

[blank] : HR-XVCZOUS
(R) : HlR-XVCZOUS(R)

F

JVB

DVD/VIDEO CASSETTE RECORDER

AC/CA 120V 60HZ 18W :
ms and DTS Digital 0N1 are uauemarks OI Digital Theatel Sysierus, INC.
Apparatus Claims oi U s. PuIenI Nes. 4.6BI ,603,4,577.216:4,819,098

and 4.9mm licensed In! Inniieu viewing uses Only.

Manulammed under license lmm Dolby Laboratories.

Dnlhy and One ueubIe-D symbol are \Iademarks OI Dolby Luuuraiuues.
Cuniidemiai unpublished wmks. ©1992-1997 DOIby Labpratories AII rigins reserved.
CABLE COMPATIBLE TELEVISION APPARATUS-TELEVISION CABLOCOMPATIBLE, CANADA

' CA U T I O N
RISK OF ELECTRIC SHOCK
DO NOT OPEN

\

DVD/VCR OUTPUT VHF/UHF

LISTED
MLC

CERTIFICATION : COMPLIES WITH FDA RADIATION PERFORMANCE STANDARDS, 21 CFR SUBCHAITER .I.

OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS IIITHIS DEVICE MAv NOT
CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANv INTERFERENCE
RECEIVED INCLUDING INTERFERENCE THAT MAv CAUSE UNDESIRED OPERATION.
DISTRIBUTOR I DISTRIBUTEUR

DISTRIBUTED BV .IVC AMERICAS CORP, I700 VALLEY ROAD. WAVNE, N J. 07470
DISTRIBUTED BVJVC CANADA, INC. 21 FINCHDENE SOUARE. SCARBOROUGH, ONTARIOMIX 1A7.
DISTRIBUT PAR JVC CANADA. INC. 21 FINCRDEIIE SOUARE, SCARBOROUGH, ONTARIO MIX 1A7.

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES 6

US

VIDEO SYSTEM

Eaam CAT MZCSB

@

AVISIRISOUE DE CHOC ELECTRIOUENE PAS OUVRIR CHASSISMZCSB KD

MANUFACTURED/FABRIQU ):
SERIAL NO./NO.DE SERIE

KII/IADE IN THAILANDIFABRIQUE EN THAILANDE

722538A04E

RATING LABEL

Page 4

DISASSEMBLY INSTRUCTIONS

1-4: DVD PCB (Refer to Fig. 1-4)

1. Remove the 3 screws (D.

2. Remove the 4 screws (2).

3. Disconnect the following connectors: (CP4002 and
CP8102).

4. Remove the DVD PCB in the direction of arrow.

1-6: VCR PCB (Refer to Fig. 1-6)

Remove the screw CD.

Remove the screw (2).

Remove the screw (3).

Remove the 3 Pin Shield.

Remove the VCR PCB in the direction of arrow.

9§>9°!\>.-

CFSIOZ

CP4002

DVD PCB

Fig. 1-4

1-5: VCR DECK (Refer to Fig. 1-5)
NOTE

Do not remove the cable at the FE Head section. The FE
Head may be damaged it you remove the cable by force.

Move the Cassette Holder Assy to the back side.
Remove the screw (1).

Remove the FE Head.

Remove the 3 screws (2).

Disconnect the following connectors: (CP101, CP102,
and CP3001).

6. Remove the AC Head Cover and VCR Deck in the
direction of arrow.

PFPNT

VCR PCB

3 Pin Shleld

AC Head Cover

Fig. 1-5

Page 8

DISASSEMBLY INSTRUCTIONS

NOTE

1. In case of the IdlerArm installation, install as the circled
section of Fig. 4-10»B.

2. In case of the ldlerArm Spring installation, install as the
circled section of Fig. 4-10-C.

3. In case of the Chassis Spring installation, install as the
circled section of Fig. 4»10-D.

Idler Arm

Main Chassis Ass'y

Fig. 440-3

Idler Arm Spring

Fig. 4-10-C

Chassis Spring

Main Chassis Assy

Fig. 4-10-D

4-11: FEED MOTOR (Refer to Fig. 4-11-A)

1. Remove the 2 screws (D.
2. Remove the Feed Motor.
3. Remove the Motor Gear.

(D 0

Motor Gear
-_ g -.
Feed Molor

- Screw Torque: I : 0.5kgl-cm

Fig. 4-11»A

NOTE

1. In case of the Motor Gear installation, check it the value
of the Fig. 4»11-B is correct.

2. When installing the Feed Motor, check it the cable is
positioned as Fig. 4-11-C.

Motor Gear 7
6.1 : 0.1mm

Feed Motor

Salely surIaCe Ior pressing

oI lhe insen. Fig. 4-11-B

Main Chassis Ass'y

Pass the Cable
between 2 pins.

Fig. 4-11-c