Olivetti d-Copia 4003MF, Service Manual

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2-2-54
YC6
1 GND - - Ground
Connected to
the control
PWB 2 SECOND_TR
AY_SW I 0/3.3 V DC JEPS: On/Off
3 BEEP_POWE
RON I 0/3.3 V DC Acknowledging beep restoration signal
4 ENERGY_SA
VE I 0/3.3 V DC Energy save signal
5 SUSPEND_P
OWER I 3.3V DC 3.3 V DC power input
6 LED MEM-
ORY N I 0/3.3 V DC Memory LED control signal
7 LED ATTEN-
TION N I 0/3.3 V DC Attention LED control signal
8 LED PRO-
CESSING N I 0/3.3 V DC Processing LED control signal
9 SHUTDOWN I 0/3.3 V DC 24 V down signal
10 LIGHTOFF_P
OWERON I 0/3.3 V DC LCD power On/ Off signal
11 AUDIO I Analog Audio output signal
12 PANEL_RESE
T I 0/3.3 V DC Reset signal
13 INT_POWER
KEY_N O 0/3.3 V DC Power key: On/Off
14 PANEL STA-
TUS O 0/3.3 V DC Operation panel status signal
15 GND - - Ground
YC7
1 GND - - Ground
Connected to
the key-left
PWB 2 SCAN0 O 0/3.3 V DC (pulse) Scan signal 0
3 KEYLEFT1 I 0/3.3 V DC (pulse) Operation panel key scan return signal 1
4 LEDLEFT1 O 0/3.3 V DC (pulse) Operation panel LED display drive
signal 1
5 KEYLEFT2 I 0/3.3 V DC (pulse) Operation panel key scan return signal 2
6 SCAN1 O 0/3.3 V DC (pulse) Scan signal 1
7 SCAN2 O 0/3.3 V DC (pulse) Scan signal 2
8 SCAN3 O 0/3.3 V DC (pulse) Scan signal 3
9 KEYLEFT0 I 0/3.3 V DC (pulse) Operation panel key scan return signal 0
10 LEDLEFT0 O 0/3.3 V DC (pulse) Operation panel LED display drive
signal 0
11 LEDLEFT2 O 0/3.3 V DC (pulse) Operation panel LED display drive
signal 2
12 S LED O 0/3.3 V DC Memory LED control signal
Connector Pin Signal I/O Voltage Description
Service Manual
Y116540 -5