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Repair Process-Reference data
Input
PDP TV
Block
Check RF Cable
Y
Check TU300 Power
5V(C304), 3.3V(C302),
1.2V(C300)
Y
Check Video color
Y
Check IIC Line
Y
Check other input / OSD
Y
Change MSTAR(IC400)
Copyright © 2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
Digital TV Video Problem
Check Voltage
N
5V : IC605 Output
3.3V : IC600 Output
1.2V:IC301 Output
Check Monitor Out Video
N
(Scart out)
Y
N
Check TU_SCL/SDA Line
N
Check Module
A6
Making
Revision
N
Replace Tuner
A6-1
LGE Internal Use Only
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