IBM 6400 Maintenance Information Manual

293
Controller (continued)
1
2
3
4
5
6
7
8
PPR STK ST
9
10
PPR STK ST
PPR STK C
T
PPR STK C
T
Paper Stacker
J17
VCC
NC
NC
NC
NC
470 PF
10%
50V
470 PF
10%
50V
470 PF
10%
50V
470 PF
10%
50V
470 PF
10%
50V
1
2
J102
External Power
10 mF
10%
16V
1000 PF
10%
50V
1000 PF
10%
50V
500 OHM
+
L6
1
2
3
4
5
6
DB TXD
DB RXD
Diagnostic Port
J6
470 PF
10%
50V
NC
NC
7
8
1
2
3
4
5
6
Online Verifier
J9
EXT 5V
DB TXD
DB RXD
OLV SYNC
OLV IRQ
0.1 mF
20%
50V
4.7K
0.1W
OUT1
OUT2
OUT3
OUT4
GND
IN1
IN2
EN
8
7
6
5
1
2
3
4
U56
VCC
4.7K
0.1W
PER LOGIC
HIGH
1
2
3
J102
EXT 5V
J102
PPR STK STAT0
PPR STK STAT1
PPR STK CTL0
PPR STK CTL1
CAUTION: <5> Do not remove or replace
the NVRAM. The NVRAM contains a
lithium battery that can explode if it is
replaced incorrectly. NVRAM is replaced
only at the factory.

IBM 6400 Specifications

General

Brand	IBM
Model	6400
Category	Printer
Language	English