Sharp LC-30AA1M Service Manual page 27

The whole screen is whitish (LCD power supply)
Remove the FFCs attached to SC4101
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 emitter side of
Q4102 about 6V?
YES
Check the input/output voltage of
IC4103.
NO
Perform checking around Q4101 and IC4101.
27
LC-30AA1M
LC-30AA1H