IBM System/32 Introduction And Maintenance Manual page 112

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Carriage Motor (50, 100, and 155 Ipm)
Motor End
Resistance
Component
Plug Pins
Values
Description
5 and 1
1.3 ohms
A-phase
5 and 2
1.3 ohms
NotA
6 and 3
1.3 ohms
B-phase
6 and 4
1.3 ohms
Not B
Cable End
Resistance
Component
Plug Pins
Values
Description
7 and 5
7 ohms R1
A-phase common
resistor
8 and 6
7 ohms R4
B-phase common
resistor
1 and 2
C1
1
A-phase capacitor
3 and 4
C2
1
B-phase capacitor
Phase
Plug
Checked
No.
Driver
A
P7-1
13E42
(not) A
P7-2
13E49
B
P7-3
13E44
(not) B
P7-4
13E45
A (com)
P7-7
13F62
B (com)
P7-8
13F64
1
Set ohmmeter to 1 K scale. The ohmmeter needle
must go toward zero and back to infinity. Failure to
do so indicates a defective capacitor.
4-24
3
6
5
4
0
0
0
.9
8
7
Plug Side
Motor

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