Olivetti d-Copia 600 Service Manual page 391

Connector Pin No.
YC6 A7
Connected A8
to the opera-
tion PWB
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
1
YC7
Connected 2
to the opera-
tion PWB
3
2-3-14
Signal I/O
LCD LOAD O
LCD CP O
LCD VSS1 -
LCD VDD O
LCD VSS2 -
LCD DISP OFF O
LCD D0 O
LCD D1 O
LCD D2 O
LCD D3 O
VEE_OFF O
N.C -
TP_REM -
N.C -
PH_KEY I
PH_LED O
SGND -
PGND -
24V O
LAMP OFF O
SGND -
5V O
DIG LED_8 O
DIG LED_7 O
SCAN_8 O
SCAN_7 O
SCAN_6 O
SCAN_5 O
DIG KEY_9 I
DIG KEY_8 I
DIG KEY_7 I
DIG KEY_6 I
DIG KEY_5 I
DIG KEY_4 I
DIG LED_6 O
DIG LED_5 O
DIG LED_4 O
Voltage
0/5 V DC LCD LOAD signal
0/5 V DC LCD CP signal
(pulse)
- Signal ground
5 V DC 5 V DC power output
- Signal ground
0/5 V DC LCD display: On/off
0/5 V DC LCD data signal
(pulse)
0/5 V DC LCD data signal
(pulse)
0/5 V DC LCD data signal
(pulse)
0/5 V DC LCD data signal
(pulse)
0/5 V DC LCD power supply control signal
- Not used
- Not used
- Not used
0/5 V DC Energy saver key: On/off
0/5 V DC Energy saver key LED display: On/off
- Signal ground
- Power ground
24 V DC 24 V DC power output
0/5 V DC LCD back light signal
- Signal ground
5 V DC 5 V DC power output
0/5 V DC DIG LED_8 signal
(pulse)
0/5 V DC DIG LED_7 signal
(pulse)
0/5 V DC SCAN_8 signal
(pulse)
0/5 V DC SCAN_7 signal
(pulse)
0/5 V DC SCAN_6 signal
(pulse)
0/5 V DC SCAN_5 signal
(pulse)
0/5 V DC DIG KEY_9 signal
(pulse)
0/5 V DC DIG KEY_8 signal
(pulse)
0/5 V DC DIG KEY_7 signal
(pulse)
0/5 V DC DIG KEY_6 signal
(pulse)
0/5 V DC DIG KEY_5 signal
(pulse)
0/5 V DC DIG KEY_4 signal
(pulse)
0/5 V DC DIG LED_6 signal
(pulse)
0/5 V DC DIG LED_5 signal
(pulse)
0/5 V DC DIG LED_4 signal
(pulse)
Service Manual
Description
Y104350-7