Digital Tv Video Problem - LG 50PK760N-ZC Service Manual

Input
PDP TV
Block
Check RF Cable
Y
Check TU601 Power
5V(C509), 3.3V(L602),
2.5V(L601),1.2V(L600)
Y
Check Video color
Y
Check IIC Line
Y
ⓐ
Check TP Clock, Data, Sync
Y
Check other input / OSD
Y
Change BCM(IC100)

Digital TV Video Problem

Check Voltage
N 5V : IC503 Output
3V : IC505 Output
2.5V : IC503 Output
1.2V:IC601 Output
Check Monitor Out Video
N
(Scart out)
Go to ⓐ
Y
N
Check SCL/SDA1 Line
N
Maybe Tuner has problems
: Replace Tuner
N
Check Module
Making 2010. 2 . 22
Revision
N
Replace Tuner
전자 - 6-2
2/15
ⓒ LG Electronics. Inc.2009