Sharp PG-F310X Service Manual page 31

Main PWB check
Is 12.8 V applied to TL1703?
Is approx. 5.5 V applied to TL1702?
Is 12.5 V applied to TL3819?
Is 1.2 V applied to TL3813?
Is 3.3 V applied to TL3802?
Is 2.5 V applied to TL3801?
Is 5 V applied to TL3814?
Is 3.3 V applied to TL1792?
Is 12 V applied to TL1761?
Is 1.8 V applied to TL3809?
Is 1.2 V applied to TL3811?
Is 2.8 V applied to TL3807?
Is 2.8 V applied to TL3808?
Is 3.3 V applied to TL2051?
Is rectangular wave of 20 MHz applied to TL2201?
Check IC2001, IC2262, IC2232 and peripheral circuits.
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO Go to "Power supply ballast PWB check".
NO Go to "Power supply ballast PWB check".
NO Check IC3808 and Q3805 and peripheral circuits.
NO Check Q3802 and peripheral circuits.
NO Check L3801 and peripheral circuits.
NO Check L3802 and peripheral circuits.
NO Check L3806 and peripheral circuits.
NO Check IC1792 and peripheral circuits.
NO Check IC1761 and peripheral circuits.
NO Check IC3803 and peripheral circuits.
NO Check Q3801 and peripheral circuits.
NO Check IC3807 and IC3802 and peripheral circuits.
NO Check IC3802 and peripheral circuits.
NO Check that it is set to the NORMAL side. Or remove S2001.
NO Check X2201 and IC2204 and peripheral circuits.
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PG-F310X/XG-F315X