Sony KD-43X85K Service Manual page 77
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Also See for KD-43X85K:
- Manual (120 pages) ,
- Service manual (115 pages) ,
- Instructions manual (59 pages)
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TROUBLESHOOTING
5.0 Key Switch Button Error
Key button error
Check harness connection
between B-board and H-board
OK
Change harness between
B-board to H-board
NG
Change H-board
NG
Change B-board
Main device issue
NG
Harness connection
issue
OK
B-board to H-board harness
issue
OK
H-board issue
77
SYS SET
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