Ic Data - Casio PCRT275 - Cash Register w/ 15 Depts Service Manual

8. IC DATA

1. ULN2003AFW (IC1, IC2)
I1 1
I2 2
I3
3
I4
4
I5
5
I6
6
I7 7
GND 10
2. S-80819CNNB-B8E (IC6), S-80850CNNB-B9B (IC7)
4 3
1 2
No. Symbol
1 OUT Voltage detection output pin
2 VDD Voltage input pin
1
3 NC* Non-connected
4 VSS Ground pin
*1. NC pin is electrically open.
Connecting this pin to VDD or VSS is allowed.
3. LB1846M (IC8)
1
VCC
2
IN4
3
IN3
4
IN1
5
IN2
20 O1
19
O2
18
O3
17 O4
16 O5
15 O6
14
O7
11
COMMON
Description
IN1
10 OUT4
9
OUT3
IN2
8
OUT1
7 OUT2
6 GND IN3
IN4
— 22 —
VDD
*1
VREF
VSS
VCC
30k
30k
30k
30k
30k
30k
30k
30k
OUT
*1
10 F
Stepping
OUT1
Motor
OUT2
OUT3
OUT4
GND