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No spindle motor rotation
Insert disc.
Y
Focus lock?
Y
The below waveform is
inputted in IC502 21Pin?
Spindle motor kick signal
Y
CN502 8Pin is 3V?
Y
CN502 1Pin is 2V?
Y
Spindle Motor FPC is connected?
Y
Replace IC502
N
Refer to 'No focus lock'
The side waveform is inputted in
IC502 2Pin?
Y
N
Check IC201 power input and 49Pin soldering.
Check R207, C221 soldering and pattern
Replace IC201
N
Check R518 soldering
N
Check R519 soldering
N
Replace spindle Motor
11
19
N
Y
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