Table Of Contents - Sanyo VHR-VT221A Service Manual

SERVICING NOTICES ON CHECKING ........................................................................................
HOW TO ORDER PARTS .............................................................................................................
TAPE REMOVAL METHOD AT NO POWER SUPPLY ...............................................................
CONTENTS ....................................................................................................................................
GENERAL SPECIFICATIONS .......................................................................................................
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF MECHANICAL PARTS AND P. C. BOARDS .............................................. .
2. REMOVAL OF DECK PARTS ...............................................................................................
3. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ..................................................
KEY TO ABBREVIATIONS ...........................................................................................................
ERROR CODE LIST ......................................................................................................................
SERVICE MODE LIST ...................................................................................................................
PREVENTIVE CHECKS AND SERVICE INTERVALS .................................................................
WHEN REPLACING EEPROM (MEMORY) IC .............................................................................
SERVICING FIXTURES AND TOOLS ..........................................................................................
PREPARATION FOR SERVICING ................................................................................................
MECHANICAL ADJUSTMENTS ...................................................................................................
ELECTRICAL ADJUSTMENTS .....................................................................................................
BLOCK DIAGRAMS
Y/C/AUDIO/HEAD AMP .............................................................................................................
TUNER/OSD/VPS ......................................................................................................................
SYSTEM CONTROL/SERVO/TIMER ........................................................................................
OPERATION/POWER ................................................................................................................
PRINTED CIRCUIT BOARDS
SYSCON/AUDIO/OPERATION ..................................................................................................
SCHEMATIC DIAGRAMS
Y/C/AUDIO/HEAD AMP .............................................................................................................
SYSTEM CONTROL/SERVO/TIMER ........................................................................................
POWER ......................................................................................................................................
OPERATION ...............................................................................................................................
TUNER ........................................................................................................................................
OSD/VPS ....................................................................................................................................
INTERCONNECTION DIAGRAM ..................................................................................................
WAVEFORMS ................................................................................................................................
MECHANICAL EXPLODED VIEW ................................................................................................
CHASSIS EXPLODED VIEWS ......................................................................................................
MECHANICAL REPLACEMENT PARTS LIST ............................................................................
CHASSIS REPLACEMENT PARTS LIST .....................................................................................
ELECTRICAL REPLACEMENT PARTS LIST ..............................................................................

TABLE OF CONTENTS

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2
2
2
3
4~7
8
9~14
15, 16
17, 18
19
19
20, 21
22
23
23
24~27
28~30
31, 32
33, 34
35, 36
37, 38
39~42
43, 44
45, 46
47, 48
49, 50
51, 52
53, 54
55, 56
57
58
59, 60
61
62
63~66