Smps - Denon AVR-1613 Service Manual

6. SMPS

DC 5V is not output.
Is there damage in IC601
(TOP258MG)?
NO
Is the fuse (F6001) blown?
NO
Is there solder short circuit in the PWB
board?
NO
Is there a damaged part?
YES
Replace the IC601(TOP258MG) and
D6001-D6004.
YES
Is there the damage in D6001-D6004?
YES
Repair the solder short part of the PWB
board.
YES
Check the damage of each part.
75
YES
Replace the damaged parts.
YES
Replace the parts of damage.