No
AMP+13V is not output.
FLOW CHART NO.6
Is approximately +13V voltage supplied to the cathode
of D653A (D655A)?
Ye s
Check D653A, D655A, C654, C655, C668 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 D650A (D652A)?
No
Ye s
Check D650A, D652A, D658, C652, C653, C657,
C658 and their periphery circuit. Repair it if
defective.