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2. Digital / Analog TV Video
Check RF Cable & Signal
ok
Check Tuner 3.3V Power
L1600
ok
Check IF_P/N Signal
TU1601 6/7 Pin
ok
Check Mstar LVDS Output
3. AV Video
Check input signal f ormat.
Is it supported?
ok
Check AV Cable f or damage
f or damage or open conductor
ok
Check JK1702, CVBS Signal Line
R1707
ok
Check CVBS_DET Signal
R1713
ok
Check Mstar LVDS Output
4. Component Video
Check input signal f ormat.
Is it supported?
ok
Check Component Cable
f or damage or open conductor.
ok
Check JK1702
Y/PB/PR signal Line
ok
Check COMP_DET Signal
ok
Check Mstar LVDS Output
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
No
Replace L1600
No
Bad Tuner. Replace Tuner.
No
Replace Mstar(IC101) or Main Board.
No
Replace Jack
No
Replace R1713 or R1710
No
Replace Mstar(IC101) or Main Board.
No
Replace Jack
No
Replace R1709 or R1712
No
Replace Mstar(IC101) or Main Board.
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LGE Internal Use Only
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