Read LG 32LC45 / 32LC46 / 32LC4D (CHASSIS:LD73A) Service Manual online
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(5) In case of an unusual display in Component, RGB mode
(6) In case of an unusual display in HDMI mode
(7) In case of an unusual display in SCART1 mode
(8) In case of an unusual display in SCART2 mode
Are the R,G,B input and H,V
Sync of the J1100 normal?
Check the input source
No
Is the HDMI002(IC1004)
normal?
Yes
Same as Block A
Are Input voltage, IIC Communication
and HV sync normal?
No
Is the Video input of the
A/V Jack(J1200) normal?
Yes
Same as Block A
Check the input source
No
Replace the IC.
No
Is the Video input of the
A/V Jack(J1201) normal?
Yes
Same as Block A
Check the input source
No
Yes
Same as Block A
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