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The whole screen is whitish (LCD power supply)
Remove the FFCs attached to SC4101,
SC4102 and SC4601- SC4604
(because the panel may be broken).
YES
Check the power supplies.
Check the power supplies to
SC4101 and SC4102 in particular.
YES
Is the voltage of R4114 about 6V?
YES
Check the input/output
voltage of IC4101.
No
Check the performance of Q4101 and Q4112
and check the resistance around IC4102.
53
LC-37AD1E
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