Xerox OLYMPIA ELECTRONIC COMPACT - Trouble Shooting

7. Trouble shooting
7.1 Supply voltage
ICI
VDD = 5V
IC'6
vc:c = 5 v
20 24
74C244 8243
10 12
1...-~~~~~~~~
VSS = GND GND
IC2 IC7
vcc = 5 v VDD = SV
24
14
2716
400IB
12 7
GND
GND
IC3
IC8
vcc = 5 v
VDD = 5 V
20-
14
74LS373
4011 B
10
7
GND
GND
IC4
IC9 .. ICII
VCC = SV VDD = SV
vcc = 5 v
40
26
14
8039
7405
20
7
GND
GND
IC5 TRAI
VDD = 5 V
16
4028 2004
8
GNO
(j'\[)