45
Connector
Location
Pin
Pin Name
Functional Description
1
B4
Data In 4
2
B3
Data In 3
3
B2
Data In 2
4
B1
Data In 1
5
Q6
Data Output 6
6
Q5
Data Output 5
7
Q4
Data Output 4
8
Q3
Data Output 3
9
Q2
Data Output 2
CN 11 : Overlay button
(or Membrane)
10
Q1
Data Output 1
1 GND
Ground
2 GND
Ground
3
B4
Key Data Input 4
4
B3
Key Data Input 3
5
B2
Key Data Input 2
6
B1
Key Data Input 1
7
Q6
Key Scan Output 6
CN 12 :
Operation Button
8 VCC
Vcc
1 VCC
VCC
CN 15 :
Main Power
2 GND
Ground
1
Q1
Data Output 1
2
Q2
Data Output 2
3
Q3
Data Output 3
4
Q4
Data Output 4
CN 16 :
Program Button
5
B4
Data In 4
Summary of Contents for M770E
Page 24: ...23 3 1 How to Replace the LCD Screen in Model M770EL Fig 3a CONSOLE POST ...
Page 25: ...24 Fig 3b CONSOLE ...
Page 33: ...32 7 Install new AUDIO INTERFACE DOWNLOAD Board 24 in reverse order ...
Page 40: ...39 4 1 Cable Connection Block Diagram 1 MPU PCB on M770EL MPU_FRONT Display MPU_BACK MAIN ...
Page 41: ...40 2 MPU PCB on M770E ...
Page 42: ...41 3 A D BOARD on M770EL ...
Page 43: ...42 4 POWER BOARD 4 1 M770EL DRIVE Board SMPS 5V LCD POWER ADAPTER 4 2 M770E DRIVE Board ...
Page 60: ...59 RCA 6A YELLOW Video Input ...
Page 69: ...68 ...