Read LG 32LC50DC / 32LC5DC (CHASSIS:LA64A) Service Manual online
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(4) In the case of becomes unusual display from S-video/AV mode
(5) In the case of becomes unusual display from Component, RGB mode
(6) In the case of becomes unusual display from HDMI mode
Is Video input of the AV
Jack(J501) normal?
Yes
Is the FIL8662
normal?
Check the input source.
- Is the source format supportable?
- Is the source device operate well?
- Is the cable connected well?
- Is the source format supportable?
- Is the source device operate well?
- Is the cable connected well?
No
Is the Input voltage, IIC Communication
and HV sync normal?
and HV sync normal?
No
Replace Main board.
No
Is R, G, B input and H, V
Sync of the J500 normal?
Yes
Is the FIL8662
normal?
Check the input source.
- Is the source format supportable?
- Is the source device operate well?
- Is the cable connected well?
- Is the source format supportable?
- Is the source device operate well?
- Is the cable connected well?
No
Is the Input voltage, IIC Communication
and HV sync normal?
and HV sync normal?
No
Replace Main board.
No
Is output of the HDMI Jack
(J300 or J301) normal?
Yes
Is the SIL9023
(IC302) normal?
Check the input source.
- Is the source format supportable?
- Is the source device operate well?
- Is the cable connected well?
- Is the source format supportable?
- Is the source device operate well?
- Is the cable connected well?
No
Is the Input voltage, IIC Communication
and HV sync normal?
and HV sync normal?
No
Replace the IC.
No
Yes
Is the FIL8662
normal?
Is the Input voltage, IIC Communication
and HV sync normal?
and HV sync normal?
No
Replace Main board.
No
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