Is U6503 (TOP267EG) damaged?
Is U6503 (TOP267EG) and D6503 / C6506
damaged?
Repair the short circuited area on the
PCB.
Check the damaged parts.
Replace the damaged part.
Replace the damaged part.
Is the fuse (F70) functioning properly?
Are there any short circuits caused by the
soldering on the PCB?
Are any parts damaged?
Replace the U6503 (TOP267EG) and
D6503.
DC 5V is not output.
6. SMPS
YES
YES YES
YES
YES YES
NO
NO
NO
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