LG BH9530TW Service Manual page 64
Cinema 3d sound blu-ray home cinema system
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Also See for BH9530TW:
- Specification (2 pages) ,
- Owner's manual (84 pages) ,
- Simple manual (2 pages)
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ELECTRICAL TROUBLESHOOTING GUIDE
No 12 V (12V_LOADER)
YES
Is the
VCC supplied to IC153
pin2?
YES
Is there
signal at IC153
pin1?
YES
Check IC153 and replace.
No 9.5 V (A9P5V)
YES
Is the
VCC supplied to IC305
pin3?
YES
Is there signal at IC305 pin1?
YES
Check IC305 and replace.
NO
Check 14 VA on SMPS board.
NO
Check IC100 pin68 (LDO_CTRL).
NO
Check IC153 pin4 (12V_LOADER).
2-49
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Troubleshooting
