Read LG 32LG300C / 32LG300H (CHASSIS:LD85A) Service Manual online
- 16 -
Yes
No
No
Yes
Check the Power.
Same as Block A.
No
Check the Tuner.
Is video
output of the tuner
normal?(Check TU500_
pin24~pin34)
Is the input
voltage normal?(Check
Pin21,22)
Is the I2C communication Normal?
(Check Pin18, Pin19)
(Check Pin18, Pin19)
4. Unusual display from DTV mode
Yes
No
Check the input source.
Same as Block A.
Same as Block A.
No
Check the IC700.
No
Yes
Is video
input of SCART Jack
normal?(Check JK601
_Pin20)
Check the input source.
Is video
input of the RGB Jack
normal?(Check JK601
_Pin7,11,15)
No
Is waveform
of Switching IC normal?
(Check IC700_Pin11,
12,13)
5. Unusual display from AV1(SCART) mode
- CVBS Input
- RGB Input
6. Unusual display from AV2(SIDE AV) mode
- CVBS Input
Yes
No
Same as Block A.
Is video input
of RCA Jack normal?
(Check R704)
Check the input source.
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