Symptom: Power does not turn on.
Repair Details: Burn damage was found on the regulator, control IC, and surrounding resistors; the PSU was replaced. Operational testing confirmed normal function.
Cost Breakdown:
Parts and procurement costs: 3,000 JPY (excl. tax)
Labor costs: 18,000 JPY (excl. tax)
Subtotal: 21,000 JPY (excl. tax)
