LCD TV SERVICE MANUAL - 757.org
LCD TV SERVICE MANUAL - 757.org
LCD TV SERVICE MANUAL - 757.org
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Symptom : <strong>TV</strong> set out of order on powers<br />
NO<br />
Replace power board<br />
Check P701 #3,8Pin 5V<br />
Normal ?<br />
YES<br />
Replace Power board<br />
Normal<br />
YES<br />
Check P702 wafers & connectors.<br />
Normal ?<br />
NO<br />
Check P702 all input voltage<br />
Normal ?<br />
NO<br />
YES<br />
- 32 -<br />
Check X300 (24MHz)<br />
Normal?<br />
NO<br />
Check SI3865(Q702) 5pin 3.3V<br />
Normal?<br />
NO<br />
Check SI3865(Q702) 2,3pin 5V<br />
Normal?<br />
YES<br />
YES<br />
Re-download<br />
M<strong>TV</strong>416GMF (IC309 )<br />
Normal?<br />
Replace SI3865(Q702)<br />
YES<br />
YES<br />
NO<br />
Check SI3865((Q1901,Q1902<br />
, Q1903 ) 5pin 3.3V<br />
Normal?<br />
NO<br />
Check SI3865(Q1901<br />
,Q1902,Q1903) 2,3pin 3.3V<br />
Normal?<br />
Replace M<strong>TV</strong>416GMF (IC309 )<br />
and Re-download<br />
YES<br />
Replace<br />
SI3865(Q1901,Q1902,Q1903)
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