60PK950-TA (CHASSIS:PA02A) - LG TV Service Manual (repair manual). Page 37

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ⓒ LG Electronics. Inc.2009
Check  P500 All
Voltage Level (17V, 5V)
Check Power connector
OK ?
Replace Power board
Y
N
Y
Check L507
Voltage Level 1.2V
Replace L507
Y
N
Check IC505 (pin2)
Voltage Level 3.3V
Replace IC505
N
Check  IC503 (pin2) Output
Voltage Level (2.5V) 
Replace  IC503
N
Y
Making 
전자 - 6-2
Revision 
1/15
PDP TV
Symptom
Power-Up Boot Fail
2010. 2 . 22
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