Table Of Contents - JVC HR-XVC1U Service Manual

Section Title
Important Safety Precautions
INSTRUCTIONS
DISASSEMBLY INSTRUCTIONS
1.REMOVAL OF MECHANICAL PARTS AND
P.C.BOARDS .................................................................. 1-1
1-1 TOP CABINET AND FRONT CABINET .................. 1-1
1-2 FLAP ....................................................................... 1-1
1-3 VCR DECK .............................................................. 1-1
1-4 VCR MT PCB .......................................................... 1-1
1-5 DECK CD AND MPEG MT PCB .............................. 1-2
1-6 POWER PCB .......................................................... 1-2
2.REMOVAL OF VCR DECK PARTS ................................. 1-1
2-1 TOP BRACKET ....................................................... 1-3
2-2 CASSETTE HOLDER ASS'Y .................................. 1-3
2-3 CASSETTE SIDE L/R ............................................. 1-3
2-4 LINK UNIT ............................................................... 1-3
2-5 LINK LEVER/FLAP LEVER ..................................... 1-3
2-6 LOADING MOTOR/WORM ..................................... 1-4
2-7 TENSION ASS'Y ..................................................... 1-4
2-8 T BRAKE ARM/T BRAKE BAND ............................. 1-5
2-9 S REEL/T REEL/IDLER ARM ASS'Y/IDLER GESR ........ 1-5
2-10 CASSETTE OPENER/PINCH ROLLER
BLOCK/P5 ARM ASS'Y ........................................... 1-6
2-11 A/C HEAD ............................................................... 1-6
2-12 FE HEAD(RECORDER ONLY) ............................... 1-6
2-13 AHC ASS'Y/CYLINDER UNIT ASS'Y ...................... 1-6
2-14 CAPSTAN DD UNIT ................................................ 1-7
2-15 MAIN CAM/PINCH ROLLER CAM/JOINT GEAR ............ 1-7
2-16 LOADING GEAR S/T UNIT .............................................. 1-7
2-17 CLUTCH ASS'Y/RING SPRING/
CLUTCH LEVER/CLUTCH GEAR ................................... 1-8
2-18 CASSETTE GUIDE POST/
INCLINED BASE S/T UNIT/P4 CAP ................................ 1-8
3.REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ....... 1-9
REMOVAL ........................................................................ 1-9
INSTALLATION .............................................................. 1-10
KEY TO ABBREVIATIONS ............................................. 1-11
SERVICE MODE LIST ..................................................... 1-13
WHEN REPLACING EEPROM (MEMORY) IC ............... 1-14
PARENTAL CONTROL - RATING LEVEL ...................... 1-14
PREVENTIVE CHECKS AND SERVICE INTERVALS
CONFIRMATION OF HOURS USED .............................. 1-15
CLEANING ...................................................................... 1-16
PECULUIAR SERVICE ................................................... 1-17
1.DVD SECTION ............................................................. 1-17
DISC REMOVAL METHOD AT NO POWER SUPPLY ... 1-17
ELECTRICAL ADJUSTMENT PARTS
LOCATION GUIDE (WIRING CONNECTION) ............... 1-18
2.VHS SECTION .............................................................. 1-19
SERVICING FIXTURES AND TOOLS ........................... 1-19
MECHANISM ADJUSTMENT PARTS LOCATION GUIDE ...... 1-19
MECHANICAL ADJUSTMENTS
TAPE REMOVAL METHOD AT NO POWER SUPPLY .... 1-20
1.CONFIRMATION AND ADJUSTMENT ......................... 1-20
1-1 CONFIRMATION AND ADJUSTMENT OF
TENSION POST POSITION ................................. 1-20
1-2 CONFIRMATION OF PLAYBACK TORQUE AND
BACK TENSION TORQUE DURING PLAY BACK .. 1-20
1-3 CONFIRMATION OF VSR TORQUE .................... 1-20
1-4 CONFIRMATION OF REEL BRAKE TORQUE ..... 1-21
The following table lists the differing points between Models (HR-XVC1U and HR-XVC1U(C)) in this series.
ITEM
INSTRUCTION LANGUAGE
REGISTRATION CARD
GUARANTEE CARD
SERVICE STAION LIST

TABLE OF CONTENTS

Page
MODEL
HR-XVC1U
ENGLISH
USED
NOT USED
NOT USED
Section
2.CONFIRMATION AND ADJUSTMENT OF
TAPE RUNNING MECHANISM .................................... 1-21
2-1 GUIDE ROLLER ................................................... 1-21
2-2 CONFIRMATION AND ADJUSTMENT OF
AUDIO/CONTROL HEAD ..................................... 1-22
2-3 TAPE RUNNING ADJUSTMENT .......................... 1-22
ELECTRICAL ADJUSTMENTS
1.BASIC ADJUSTMENT .................................................. 1-23
1-1 SWITCHING POINT .............................................. 1-23
ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE ........ 1-23
IC DESCRIPTIONS ......................................................... 1-24
SERVO TIMING CHART ................................................. 1-27
MECHANISM TIMING CHART ........................................ 1-28
TROUBLESHOOTING GUIDE
VCR SECTION .......................................................................... 1-29
DVD SECTION .......................................................................... 1-52
INTERCONNECTION DIAGRAM ................................................ 2-1
POWER SCHEMATIC DIAGRAM ................................................ 2-3
MPEG SCHEMATIC DIAGRAM ................................................... 2-5
SDRAM SCHEMATIC DIAGRAM ................................................ 2-7
DVD SYSCON SCHEMATIC DIAGRAM ...................................... 2-9
VIDEO ENCORDER SCHEMATIC DIAGRAM ........................... 2-11
Y/C AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM ............. 2-13
VCR SYSCON SCHEMATIC DIAGRAM .................................... 2-15
TUNER/JACK SCHEMATIC DIAGRAM ..................................... 2-17
REGULATOR SCHEMATIC DIAGRAM ..................................... 2-19
OPERATION/DISPLAY SCHEMATIC DIAGRAM ....................... 2-21
Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM ....................... 2-23
DVD IN/OUT SCHEMATIC DIAGRAM ....................................... 2-25
OPERATION SCHEMATIC DIAGRAM ...................................... 2-27
PRINTED CIRCUIT BOARDS
POWER/OPERATION .............................................................. 2-29
MPEG .............................................................................. 2-30
VCR .............................................................................. 2-31
WAVEFORMS ............................................................................ 2-35
DVD BLOCK DIAGRAM ............................................................ 2-39
Y/C/AUDIO/CCD/HEAD AMP BLOCK DIAGRAM ..................... 2-41
SYSTEM CONTROL BLOCK DIAGRAM ................................... 2-43
REGULATOR BLOCK DIAGRAM .............................................. 2-45
OPERATION/DISPLAY BLOCK DIAGRAM ............................... 2-47
HIFI/DEMODULATOR BLOCK DIAGRAM ................................. 2-49
TUNER/JACK BLOCK DIAGRAM ............................................. 2-51
DVD IN/OUT BLOCK DIAGRAM ............................................... 2-53
POWR BLOCK DIAGRAM ......................................................... 2-55
PARTS LIST
3.1 PACKING AND ACCESSORY ASSEMBLY <M1> ..... 3-1
3.2 FINAL ASSEMBLY <M2> ........................................... 3-2
3.3 MECHANISM ASSEMBLY <M4> ............................... 3-3
3.4 ELECTRICAL PARTS LIST ....................................... 3-7
VCR MT PCB ASSEMBLY <03> ............................... 3-7
MPEG MT PCB ASSEMBLY <50> .......................... 3-11
POWER PCB ASSEMBLY <01> .............................. 3-13
OPERATION PCB ASSEMBLY <28> ...................... 3-14
Reference .......................................................................... 4-1
Title
HR-XVC1U(C)
ENGLISH, FRENCH
NOT USED
USED
USED
Page