IBM Infoprint 6500-v05

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