FUNAI LF320EM4 A - Flow Chart No. 5 (P-ON+21 V Output); Flow Chart No. 6 (AMP+13 V Output)

8-2 FL14.10ATR
No
AMP+13V is not output.
FLOW CHART NO.6
Is approximately +13V voltage supplied to the cathode
of D653(D655)?
Ye s
Check D653, D654, D655, C654, C655, C657 and
their periphery circuit. Repair it if defective.
Check if there is any leak or short-circuit on the load
circuit. Repair it if defective.
Check if there is any leak or short-circuit on the load
circuit. Repair it if defective.
P-ON+21V is not output.
FLOW CHART NO.5
Is approximately +21V voltage supplied to the cathode
of D650(D651)?
No
Ye s
Check D650, D651, C652, C653 and their periphery
circuit. Repair it if defective.