Read LG 32LG515H (CHASSIS:LA66A) Service Manual online
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(4) In the case of becomes unusual display from side 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 (J504) normal?
Yes
Is normal the
FIL8662?
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 normal the Input voltage, IIC
Communication and HV sync?
Communication and HV sync?
No
Replace Main board
No
Is R,G,B input and H,V
Sync of the (J503) normal?
Yes
Is normal the
FIL8662?
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 normal the Input voltage, IIC
Communication and HV sync?
Communication and HV sync?
No
Replace Main board
No
Is output of the HDMI
Jack(J300 or J301) normal?
Yes
Is normal the
SIL9023/5(IC302)?
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 normal the Input voltage, IIC
Communication and HV sync?
Communication and HV sync?
No
Replace IC
No
Yes
Is normal the
FIL8662?
Is normal the Input voltage, IIC
Communication and HV sync?
Communication and HV sync?
No
Replace Main board
No
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