Samsung TX20C53X/XET Service Manual page 69

Troubleshooting
6-2 No Power (No LED On)
Check IC901 #64
Yes
Check IC901 #23, #24
No
Check after Bus
Line Open
Check IC901 #28~31
No
Replace
IC901
6-2
Yes
Check CN102
No
Check IC804
No
2
Check another I C
Bus Line.
Yes
Retouch CN102 or
Replace CN102
No
Yes
Check IC801
Yes
Check Q801
Yes
Check D801~D805
No
Check/Replace
D801~D805
No
Replace
No
Replace
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