IBM 6580

LED Connector
Pin No.
Identification
8
A
A1
LED Ground
[TIl
A2
• 0 2
81 +S.O VDC
82
(Key)
PTX Connector
Pin No.
Identification
wI
PT1
+S.O VDC
PT2
(Key)
PT3
PTX Return
o 4
PT4
Solenoid Connector
Pin No.
Identification
WI
SCP1
SCP2
(Key)
SCP3 +24 VDC -Head Load
o 4
SCP4
+24 VDC +Head Load
Head Connector
Pin No.
Identification
0
HC1
Ground
•
HC2
(Key)
0
HC3
Read/Write Head
•
HC4
(Key)
0
HCS
Read/Write Head
0
HC6
Erase Heat
0
7
HC7
Stepper Motor Connector
Pin No.
Identification
0
SMC1
+24.0 VDC
•
SMC2
(Key)
0
SMC3
Stepper
Mtr. MC3
0
SMC4
Stepper
Mtr. MC2
0
SMCS
Stepper Mtr. MC1
0
6
SMC6 Stepper
Mtr. MCO
Figure 8-23 (Part 2 of 3). Type 1 Drive File Control Card, Test Points,
Signals and Connectors
Chapter 8. Cables/Connectors/Test Points 8-35