NO
YES
NO
YES
NO
YES
NO
YES
1.3V
Traverse Operation
Traverse operation
Remains at inner track.
Remains at outer track.
Is IC10 pin 12
approx. 3.3 V?
Faulty traverse
detection switch S8
Is IC10 pin 12
approx. 0 V?
Faulty (shorted) traverse
detection switch S8
or
Is output of
IC3 pin 20 OK?
Is voltage
output between IC2
pins 15 and 16?
Faulty IC2
Faulty IC3
Faulty traverse motor
Summary of Contents for SJ-MD150
Page 5: ...4 Caution for AC Mains Lead 5 ...
Page 10: ...10 ...
Page 15: ...15 ...
Page 16: ...16 ...
Page 17: ... Check the MD servo P C B B side as shown below 17 ...
Page 19: ...19 ...
Page 20: ...20 ...
Page 21: ...21 ...
Page 22: ...8 7 Replacement for the belt and loading motor Follow the Step 1 Step 3 of item 8 1 22 ...
Page 23: ...23 ...
Page 25: ...25 ...
Page 36: ...30 TEST02 Test terminal Not used open 36 ...
Page 48: ...48 ...
Page 57: ...20 MD Mechanism Unit Parts Location 57 ...
Page 58: ...21 Packaging 58 ...
Page 59: ...F000300000YM KH 59 ...