LG HX966TZ Service Manual page 90

ONE POINT REPAIR GUIDE
1. NO POWER PROBLEM
No power problem occurs when you power on the unit.
1-1. Fuse & Bridge diode
1-1-1. Solution
Replace F901, BD901 on SMPS board.
1-1-2. How to troubleshoot (Countermeasure)
1) Look at the physical of fuse F901.
2) Check the bridge diode BD901.
D904 is Defective
3.8VA No Power
D922, D923 are Defective
14VA No Power
D925 is Defective
12V No Power
IC951 is Defective
S/W Error
IC901, IC902 are Defective
No AMP Power
Q910, PC902,Q914 are Defective
Switching Error
PC901, IC903 are Defective
AMP output No Power
D908 is Defective
1-1-3. Service hint (Any picture / Remark)
< Fuse, F901 >
Can look at physical condition < SMPS board top view >
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