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VC-S101U
SERVICE MANUAL
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
VIDEO CASSETTE RECORDER
VC-S101U
In the interests of user-safety (Required by safety regulations in some
countries) the set should be restored to its original condition and only parts
identical to those specified should be used.
MODEL
CONTENTS
Page
1. GENERAL INFORMATION .............................. 5
1-1 FEATURES .................................................5
1-2 SPECIFICATIONS ..................................... 5
1-3 LOCATION OF MAJOR COMPONENTS
AND CONTROL ......................................... 6
2. DISASSEMBLY AND REASSEMBLY .............. 7
2-1 DISASSEMBLY OF MAJOR BLOCKS ....... 7
2-2 DISASSEMBLY OF MECHANISM
AND MAIN PWB ASSEMBLY .................... 8
2-3 CARES WHEN REASSEMBLING .............. 9
3. FUNCTION OF MAJOR MECHANICAL PARTS
TOP VIEW ....................................................... 10
BOTTOM VIEW ...............................................11
4. ADJUSTMENT, REPLACEMENT AND
ASSEMBLY OF MECHANICAL UNITS .......... 12
5. ELECTRICAL ADJUSTMENT ........................ 31
5-1 ADJUSTMENT OF HEAD SWITCHING
POINT ....................................................... 32
5-2 ADJUSTMENT OF SLOW TRACKING
PRESET .................................................... 32
5-3 ADJUSTMENT OF FV (False Vertical
Sync) OF STILL PICTURE ...................... 32
5-4 CHECKING OF OFF TRACK ................ 33
5-5 CHECKING OF E-E LEVEL ................... 33
5-6 ADJUSTMENT OF VCO .......................... 33
5-7 CHECKING OF SUB EMPHASIS LEVEL 33
Page
5-8 S-VHS / S-VHS ET / VHS WHITE
CLIP LEVEL ADJUSTMENT ................... 34
5-9 S-VHS / S-VHS ET / VHS FM CARRIER/
DEVIATION ADJUSTMENT ..................... 34
5-10 S-VHS / S-VHS ET / VHS REC CHROMA
CURRENT ADJUSTMENT ....................... 35
5-11 S-VHS / S-VHS ET / VHS REC FM
CURRENT ADJUSTMENT ....................... 35
5-12 S-VHS / S-VHS ET / VHS PLAYBACK
LEVEL ADJUSTMENT ............................. 36
5-13 ADJUSTMENT OF SIF-INPUT LEVEL .... 36
5-14 ADJUSTMENT OF FILTER ...................... 36
5-15 ADJUSTMENT OF STEREO VCO ........... 37
5-16 ADJUSTMENT OF STEREO
SEPARATION ........................................... 37
6. MECHANISM OPERATION FLOWCHART
AND TROUBLESHOOTING GUIDE .............. 38
7. TROUBLESHOOTING ................................... 44
8. BLOCK DIAGRAM ..........................................58
9. CIRCUIT DIAGRAM AND PWB FOIL
PATTERN ....................................................... 66
10.REPLACEMENT PARTS LIST ....................... 91
11.EXPLODED VIEWS ..................................... 105
12.PACKING OF THE SET ............................... 109
S69I8VC-S101U
Summary of Contents for VC-S101U
Page 6: ...VC S101U 6 1 3 LOCATION OF MAJOR COMPONENTS AND CONTROL ...
Page 58: ...58 VC S101U 8 BLOCK DIAGRAM SYSTEM SERVO BLOCK DIAGRAM ...
Page 59: ...59 VC S101U ...
Page 60: ...60 VC S101U SIGNAL FLOW BLOCK DIAGRAM REC Luminance signal REC Chrominance signal ...
Page 62: ...62 VC S101U AUDIO BLOCK DIAGRAM ...
Page 63: ...63 VC S101U REC Signal PB Signal EE Signal ...
Page 64: ...64 VC S101U POWER CIRCUIT BLOCK DIAGRAM ...
Page 67: ...67 13 12 11 10 9 8 7 VC S101U ...
Page 69: ...69 13 12 11 10 9 8 7 VC S101U ...
Page 71: ...71 13 12 11 10 9 8 7 VC S101U ...
Page 73: ...73 13 12 11 10 9 8 7 VC S101U ...
Page 75: ...75 13 12 11 10 9 8 7 VC S101U ...
Page 77: ...77 13 12 11 10 9 8 7 VC S101U ...
Page 79: ...79 13 12 11 10 9 8 7 VC S101U ...
Page 81: ...81 13 12 11 10 9 8 7 VC S101U ...
Page 83: ...83 13 12 11 10 9 8 7 VC S101U ...
Page 84: ...84 7 6 5 4 3 2 1 A B C D E F G H VC S101U PWB FOIL PATTERN MAIN PWB ...
Page 85: ...85 13 12 11 10 9 8 7 VC S101U ...
Page 86: ...86 7 6 5 4 3 2 1 A B C D E F G H VC S101U Y C PWB SIDE A Y C PWB SIDE B ...
Page 87: ...87 13 12 11 10 9 8 7 VC S101U NR PWB SIDE A NR PWB SIDE B ...
Page 88: ...88 7 6 5 4 3 2 1 A B C D E F G H VC S101U Hi Fi JACK PWB SIDE A SIDE B ...
Page 89: ...89 13 12 11 10 9 8 7 VC S101U OPERATION PWB FRONT A V PWB ...
Page 90: ...90 7 6 5 4 3 2 1 A B C D E F G H VC S101U JACK PWB SIDE A JACK PWB SIDE B ...