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LGE Internal Use Only
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
C
2009
2. Digital TV Video
Check RF Cable & Signal
OK
Check Tuner 5V Power
TU1001 4Pin
NO
Check IC1002
OK
Check IF_P/N Signal
NO
Replace Tuner.
OK
Check Check Demodulator Input
Clock(X1005-25MHz)
NO
Replace X1005
OK
Check IC1004(LGDT) Output
- AR1070, AR1071
NO
Replace IC1004
OK
Check Mstar LVDS output
R1109, R1110, R1111, R1120
NO
Replace Mstar(IC100)
or Main board
3. Analog TV Video
Check RF Cable
OK
Check Tuner 5V Power
TU1001 4Pin
Check IC1002
OK
Check CVBS signal.
TU1001 #19 Pin
Replace Tuner.
OK
Check Mstar LVDS output
Replace Mstar(IC100)
or Main board
NO
NO
NO
4. Component Video
Check input signal format.
Is it supported?
OK
Check Component Cable.
OK
Check JK1206
NO
Replace Jack.
OK
Check Mstar LVDS output
NO
Replace Mstar(IC100)
or Main board