![background image](http://html.mh-extra.com/html/sharp/vc-a422u/vc-a422u_service-manual_373942001.webp)
1
VC-A422U
VC-H822U
S41S7VC-A422U
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
MODELS VC-A422U/H822U
VIDEO CASSETTE RECORDER
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
VC-A422U
VC-H822U
CONTENTS
Page
1. GENERAL INFORMATION ........................................................................................................... 5
2. DISASSEMBLY AND REASSEMBLY ........................................................................................... 7
3. FUNCTION OF MAJOR MECHANICAL PARTS ......................................................................... 10
4. ADJUSTMENT, REPLACEMENT AND ASSEMBLY OF MECHANICAL UNITS ........................ 12
5. ELECTRICAL ADJUSTMENT ..................................................................................................... 31
6. MECHANISM OPERATION FLOWCHART AND TROUBLESHOOTING GUIDE ...................... 33
7. TROUBLESHOOTING ................................................................................................................ 39
8. BLOCK DIAGRAM ....................................................................................................................... 50
9. SCHEMATIC DIAGRAM AND PWB FOIL PATTERN ................................................................. 58
10. REPLACEMENT PARTS LIST .................................................................................................... 73
11. EXPLODED VIEW OF MECHANICAL PARTS ........................................................................... 80
12. PACKING OF THE SET .............................................................................................................. 84
VC-A422U/H822U .......... Models for U.S.A. and Canada
VC-A422U
VC-H822U
MODELS
SERVICE MANUAL
Summary of Contents for VC-A422U
Page 51: ...VC A422U VC H822U VC A422U VC H822U 52 53 SIGNAL FLOW BLOCK DIAGRAM VC A422U ...
Page 52: ...VC A422U VC H822U VC A422U VC H822U 54 55 SIGNAL FLOW BLOCK DIAGRAM VC H822U ...
Page 53: ...56 VC A422U VC H822U POWER CIRCUIT BLOCK DIAGRAM ...
Page 63: ...72 VC A422U VC H822U M E M O ...
Page 76: ...85 VC A422U VC H822U M E M O ...