6. SMPS
DC 5V is not output.
Is U6503 (TOP267EG) damaged?
NO
Has a fuse (F70) broken?
NO
Are there any short circuits caused by
the soldering of the PCB?
NO
Are any parts damaged?
YES
Replace the U6503 (TOP267EG) and
D6503.
YES
Are there the damage in U6503 and
D6503 / C6506?
YES
Repair the short circuited area by the
soldering of the PCB.
YES
Check the damage of each part.
112
YES
Replace the damaged part.
YES
Replace the damaged part.