5. Unusual display from AV1/AV2(SCART) mode
- CVBS Input |
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| - RGB Input |
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Is video | No |
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| Is video | No | |
input of SCART Jack | Check the input source. | input of the RGB Jack | ||||
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normal?(Check JK600, |
| normal?(Check JK600 |
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JK601_Pin20) |
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| _Pin7,11,15) |
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Check the input source.
Yes
Same as Block A.
If there is normal status,
Replace main board.
Yes
Is waveform | No |
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of Switching IC normal? | Check the IC700. | |||||
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(Check IC700_Pin11, |
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12,13) |
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| No |
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| If there is normal status, | |||
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| Replace main board. | ||
Same as Block A. | ||||||
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6. Unusual display from AV3(SIDE AV) mode
- CVBS Input
Is video input
of RCA Jack normal?
(Check R704)
Yes
Same as Block A.
No
Check the input source.
If there is normal status,
Replace main board.
7. Unusual display from Component mode
- CVBS Input
Is video input
of the Component Jack normal?(Check R733, 734,735)
Yes
Same as Block A.
No
Check the input source.
If there is normal status,
Replace main board.
Copyright © 2008 LG Electronics. Inc. All right reserved. | - 17 - | LGE Internal Use Only |
Only for training and service purposes |
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