Read LG 19LG3050 / 19LG3060 (CHASSIS:LD84A) Service Manual online
- 17 -
Yes
No
Check the input source.
If there is normal status,
Replace main board.
Same as Block A.
Same as Block A.
No
Check the IC700.
No
Yes
Is video
input of SCART Jack
normal?(Check JK600,
JK601_Pin20)
Check the input source.
Is video
input of the RGB Jack
normal?(Check JK600
_Pin7,11,15)
No
If there is normal status,
Replace main board.
Is waveform
of Switching IC normal?
(Check IC700_Pin11,
12,13)
5. Unusual display from AV1/AV2(SCART) mode
- CVBS Input
- RGB Input
6. Unusual display from AV3(SIDE AV) mode
- CVBS Input
Yes
No
If there is normal status,
Replace main board.
Same as Block A.
Is video input
of RCA Jack normal?
(Check R704)
Check the input source.
7. Unusual display from Component mode
- CVBS Input
Yes
No
If there is normal status,
Replace main board.
Same as Block A.
Is video input
of the Component Jack
normal?(Check R733,
734,735)
Check the input source.
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