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MD-X8H
CONTENTS
MD-X8H
SERVICE MANUAL
SHARP CORPORATION
No. S0779MDX8H///
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
IMPOTANT SERVICE MANUAL (FOR UK ONLY) ............................................................................................................ 3
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY .................................................................................................................................................................. 8
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 12
ADJUSTMENT ................................................................................................................................................................. 15
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 31
TYPE OF TRANSISTOR AND LED ................................................................................................................................. 31
WIRING DIAGRAM .......................................................................................................................................................... 32
BLOCK DIAGRAM ........................................................................................................................................................... 34
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 38
VOLTAGE ........................................................................................................................................................................ 68
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 69
WAVEFORMS OF MD CIRCUIT ..................................................................................................................................... 70
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 72
TROUBLESHOOTING (MD SECTION) ........................................................................................................................... 76
FUNCTION TABLE OF IC ................................................................................................................................................ 81
WIRING OF PRIMARILY SUPPLY LEADS (FOR UK ONLY) ......................................................................................... 90
RDS OPERATION ............................................................................................................................................................ 91
REPLACEMENT PARTS LIST/EXPLODED VIEW/
PACKING OF THE SET (FOR UK ONLY)
SRS technology Licensed from SRS Labs. SRS tech-
nology holds the following patents:U.S. Patent No.
4,748,669 and U.S. Patent No. 4,841,572.
, the SRS Logo
and the
are registered trade-
marks of SRS Labs, Inc. in the United States.
US and foreign patents licensed from Dolby Laboratories
Licensing Corporation.
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