Marantz AV7701 - 6. SMPS; DC 5 V is Not Output.

110
NO
NO
NO
Is there damage in IC901
(TOP258MG)?
Is there the damage in D9001/D9002/
D9003/D9004/C9004?
The solder short part of the PWB board
is repaired.
Check the damage of each part.
Replace the parts of damage.
Replace the parts of damage.
Is the fuse (F9001) blown?
Is there solder short circuit in the PWB
board?
Is there a damaged part?
Replace the IC901(TOP258MG) and
D9001/D9002/D9003/D9004.
DC 5V is not output.
YES
YES
YES
YES
YES
YES
6. SMPS