Olivetti d-Copia 1600 Service Manual page 190

2HA/2HB
Connector Pin No.
YC4 1
Connected 2
to the opera-
3
tion unit
4
PWB
5
6
7
8
9
10
YC5 1
Connected 2
to the LCD
3
PWB
4
5
6
7
8
9
10
11
12
13
14
15
16
YC6 1
Connected 2
to the opera-
3
tion unit
4
PWB
5
6
7
8
9
10
11
12
13
14
15
16
17
18
YC7 1
Connected 2
to the
3
engine PWB
4
5
6
7
8
2-3-6
Signal I/O
+5 V O
BUZERDRN O
SCAN7N O
SCAN6N O
SCAN5N O
SCAN4N O
SCAN3N O
SCAN2N O
SCAN1N O
SCAN0N O
SGND -
+3.3V O
+3.3V O
LCDRS O
LCDR_W O
LCDEN O
LCDD0 O
LCDD1 O
LCDD2 O
LCDD3 O
LCDD4 O
LCDD5 O
LCDD6 O
LCDD7 O
SGND -
SGND -
LED0 O
LED1 O
LED2 O
LED3 O
LED4 O
LED5 O
LED6 O
LED7 O
LED8 O
LED9 O
LED10 O
LED11 O
LED12 O
KEY0 I
KEY1 I
KEY2 I
KEY3 I
KEY4 I
+12 V I
OVSYNC I
RSTN I
EGRN I
SDIR I
SBSY I
PDMASKN I
EGSI O
5 V DC power supply for OPWB
OPWB buzzer signal
Key switch scan signal 7
Key switch scan signal 6
Key switch scan signal 5
Key switch scan signal 4
Key switch scan signal 3
Key switch scan signal 2
Key switch scan signal 1
Key switch scan signal 0
Ground
3.3 V DC power supply for LCDPWB
3.3 V DC power supply for LCDPWB
LCDRS signal
LCDR_W signal
LCDEN signal
LCD display data signal 0
LCD display data signal 1
LCD display data signal 2
LCD display data signal 3
LCD display data signal 4
LCD display data signal 5
LCD display data signal 6
LCD display data signal 7
Ground
Ground
LED lighting selection signal 0
LED lighting selection signal 1
LED lighting selection signal 2
LED lighting selection signal 3
LED lighting selection signal 4
LED lighting selection signal 5
LED lighting selection signal 6
LED lighting selection signal 7
LED lighting selection signal 8
LED lighting selection signal 9
LED lighting selection signal 10
LED lighting selection signal 11
LED lighting selection signal 12
Key switch return signal 0
Key switch return signal 1
Key switch return signal 2
Key switch return signal 3
Key switch return signal 4
12 V DC power supply from EPWB
Original scanning interval signal
Reset signal
Engine communication EGRN signal
Engine communication SDIR signal
Engine communication SBSY signal
Printing image interval signal
Engine serial communication transmission
Description