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50PZ570G-ZB, 50PZ570S-ZB, 50PZ575S-ZB (CHASSIS:PD12C) - LG TV Service Manual (repair manual). Page 75

Read LG 50PZ570G-ZB / 50PZ570S-ZB / 50PZ575S-ZB (CHASSIS:PD12C) Service Manual online

Making 
Revision 
PDP TV
Symptom
Repair Process-Reference data
Check voltage on Power board 
A22
B. Power Problem
Checking Order
Checking Order
Pin Map
Power B/D↔Main B/D
No.
Checking 
Point
Spec
Remark
1
STBY 5V
2
5V 
5V
3
17V
17V
4
AC DET
High(3.3V~5V)
5
RL_ON
High(3.3V~5V)
6
M_ON
High(3.3V~5V)
A22
P813
2010. 12 . 24
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