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17
When you transfer the pick-up to the outer
cycle and turn the power on, dose the
pick-up move to the inner one ?
SLED operation of normal.
If the constant of IC301 and GND, pattern’s
when you check, replace.
Y
Y
N
N
If the constant of IC401 and GND,
pattern’s when you check, replace.
N
The below waveform is outputted in
IC301 1, 99pin ?
Y
Y
Replace stepping Motor.
Y
The below waveform is outputted in
IC401 35, 37pin ?
Y
No SLED OPERATION
Summary of Contents for SW-248B
Page 5: ...4 Disassembly Diagram ...
Page 15: ...14 Block Diagram ...
Page 25: ...24 Circuit Diagram Main ...
Page 26: ...25 Circuit Diagram Front ...