Read LG 60PM4M-WA (CHASSIS:PM75A) Service Manual online
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TROUBLE SHOOTING GUIDE
4. In case of an unusual display in VIDEO(AV,S-VIDEO)
(1) Procedure check
Check the
input Jack(JK506,
JK514)
Check the Signal Cable
And Output Device
And Output Device
Yes
No
Check the
Video Switch IC Output
(CXA2040AQ)
Yes
Check A Block
Reconnect the link cable in
P803
P803
Change the IC(IC513)
No
1. Check the IC101
2. Check the Vcc of IC101
3. Check the Peripherals of
2. Check the Vcc of IC101
3. Check the Peripherals of
IC101
No Raster State
On Video Signal(AV/S-VHS)
Yes
Is the normal
video output of XA2040AQ?
(Check the R669, in case of
S-Video check R672,
R682)
Is the I2C communication
normal?
Is the Input voltage
normal?
No
Check the
Video Switch IC Output
(CXA2040AQ)
Check the power
Re-insert the Cable.
Change the IC(IC513)
No
No
No
No
YES
YES
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