Signal Interface Of The Key Board - Mcube CubeScan BioCon-500 Service Manual

Service Manual for BioCon-500

1.3.3 Signal Interface of the Key Board

J1 is a signal to deliver the key input from the user to the control board. And it is
defined as below.
TO:
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J2 is a connector for LEDs to display the status both of the DC adapter connection
and of charging. And each signal is defined as below.
TO:
Pin No.
1 ADAPTER_ON_ANODE
2 ADAPTER_ON_CATHODE
3 FAST_CHARGE_ANODE
4 FAST_CHARGE_CATHODE
Mcube Technology Co., Ltd.
www.mcubetech.co.kr
TM
Name
POW_OUT
POW_IN
-
-
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
-
-
VDD Power
-
-
-
Ground Power
SIG_GND Power
Name
J1
Control Board
I/O Description
In For turn on/off power
Out For turn on/off power
- Not Connected
- Not Connected
Out Print key output
Out Scan key output
Out Up key output
Out Down key output
Out Right key output
Out Left key output
Out Enter key output
Out Power key output
- Not Connected
- Not Connected
"+3.3V"
- Not Connected
- Not Connected
- Not Connected
Ground signal
Signal ground (Coaxial Shield)
J2
Charge Board
I/O Description
In Adapter on LED anode
In Adapter on LED cathode
In Fast charge LED anode
In Fast charge LED cathode
13