IBM Infoprint 6500-v05 Maintenance Manual page 271

PSA3 Controller (continued)
J1
J4
1 2
J8
J16
J20
J23
J25
J28
2-Pin Jumpers
J1
J28
RibbonMinder Sensor
J122
1
2
BC DATA
3
LED CTRL
4
VCC
VCC1
4.7 K
0.1 W
U58
1
2
3
4
PER
LOGIC
HIGH
J16
J20
External Power
4.7 K
0.1 W
J102
1
2
µ
8
0.1 F
7
20%
1000 PF
6
16V
10%
5
NC
50V
CHASSIS GND
J23
J8
J4
µ
10
F 1000 PF
10% 10%
16V
50V
500 Ohm
J25
EXT 5V
271