Read LG 50PX950-AA (CHASSIS:PA02B) Service Manual online
Making
전자 - 6-2
Revision
PDP TV
Input
Block
All Input Audio Problem
Make sure you can’t hear any audio
Check speaker for damage.
Replace the Speaker
Y
N
Check Connector
P703
Replace P703
Y
N
Check SCL,SDA
R707, R708
Replace R707, 708
N
Y
Check IC700 Status
PDN(#19) / Reset(#25) is High?
Check
Reset / PDN (R702)
:They must be High (3.3V)
Y
N
Check IC700 Power
17V(L704), 3.3V(L702,L703)
Check 17V (P500 #1,2),
3.3V (IC505 #2)
Y
N
Y
Check BCM I2S Output
R114, #21, 22, 23 on IC700
Replace BCM(IC100).
N
8/15
Replace AMP(IC700)
Y
2010. 8 . 13
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