NO
NO
NO
Is U6503 (TOP267EG) damaged?
Are there the damage in U6503 and
D6503 / C6506?
Repair the short circuited area by the
soldering of the PCB.
Check the damage of each part.
Replace the damaged part.
Replace the damaged part.
Has a fuse (F70) broken?
Are there any short circuits caused by
the soldering of the PCB?
Are any parts damaged?
Replace the U6503 (TOP267EG) and
D6503.
DC 5V is not output.
YES
YES
YES
YES
YES
YES
6. SMPS
115
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