LG 37LC4R Manual De Servicio página 23

8. In case of becomes unusual display from SCART 1 mode.
Is video input
of the A/V jack normal?
(Check R172)
Yes
Sam as Block A
9. In case of becomes unusual display from SCART 1_RGB mode.
Is
video input of
the A/V jack normal?(Check
R110,R170, R171,
R173)
Yes
Sam as Block A
10. In case of becomes unusual display from SCART 2 mode.
Is video input of
the A/V jack normal?
(Check R174)
Yes
Sam as Block A
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Only for training and service purposes
No
Check the input source.
No
Check the input source.
No
Check the input source.
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