Samsung Vp-D353i, VP-D352I Electrical Parts List

Samsung Electronics 12-1

12. Troubleshooting

Loading Emergency

Is Loading normal?

IC401~5 (VS_D)

4.8V?

IC401-25 (VCC1)

4.5V?

STOP

CHECK IC501 MICOM OUT

Changing Loading Motor

DECK Housing close

CHECK IC401

NO

NO

NO

YES

YES

YES

Troubleshooting

12-2 Samsung Electronics

Drum Does Not Rotate

IC401-16 3V?

IC401-60 is VS normal?

IC401 is Drum U, V, W

Waveform

CHECK IC501 MICOM

Is DRUM error OUT normal?

CHECK Q702, L717

Changing Drum Motor

CHECK IC401

CHECK

R5108, R5107, C518, C519

NO NO

NO

NO

YES

YES

YES

Troubleshooting

Samsung Electronics 12-3

Capstan Does Not Rotate

IC401-2 3V?

IC401-44 is VS

normal?

IC401 is CAP U,V,W

normal?

CHECK IC501 MICOM

Is CAPSTAN error OUT

normal?

CHECK Q701, L719

Changing CAP MOTOR

CHECK IC401

CHECK

IC501-ALL CAP PWM

NO NO

NO

NO

YES

YES

YES