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50PT350-ZD, 50PT351-ZC, 50PT351A-ZC, 50PT351K-ZC, 50PT351N-ZC, 50PT352-ZB, 50PT353-ZA, 50PT353A-ZA, 50PT353K-ZA, 50PT353N-ZA (CHASSIS:PD11K) - LG TV Service Manual (repair manual). Page 50

Read LG 50PT350-ZD / 50PT351-ZC / 50PT351A-ZC / 50PT351K-ZC / 50PT351N-ZC / 50PT352-ZB / 50PT353-ZA / 50PT353A-ZA / 50PT353K-ZA / 50PT353N-ZA (CHASSIS:PD11K) Service Manual online

ⓒ LG Electronics. Inc.2010
< CVBS waveform – sample >
- Defend on the input signal.
Making 
전자 - 6-2
Revision 
PDP TV
Input
Block
Analog TV Video Problem
Check RF Cable
Check CVBS signal
TU601 #11 Pin
Replace Tuner(TU300)
Y
N
Check IC605 Output 
Voltage(L610)
Y
N
Y
Replace MSTAR(IC400)
Check 5V voltage
on TU300(Pin3)
A6-2
Repair Process-Reference data
A6
2010. 11. 16
Page of 73
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