Sony KD-43X85K Service Manual page 38
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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
1.3 No Power DDCON/LDO (LDO Check)
START
yes
Check Vcc voltage
no
C815
Is voltage >3.2V?
yes
Check Enable pin
no
voltage
Is voltage >3V?
yes
Change LDO IC
Check 3.3V_DDC_OUT
DDCON
(IC607 on BM5A)
or
3.3V_STBY (Power board)
1.2 No Power U-Com Failure
or
Enable source
Please refer page 24 for Ref number.
Board
Operation
IC Ref
BM5A
LDO
IC809
Voltage supply
3.3V_M5_STBY
38
SYS SET
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