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Flow Chart of Troubleshooting
9-6
9-3. Charging Part
U404 pin 38(VCHG) > 4.9V
Abnormal charging part
END
No
Yes
U404 pin 34(AUX_ON)
or TP500 = "L"?
No
Yes
Check the U404 pin 46
≒ 1.4V
No
Yes
Resolder U407, R413, R417, and C505
or
Replace U702
Resolder or Replace F501
Resolder R400, R403, and C402
or
Replace ZD400
Yes