58
7) OSD Button Board
Connector
Location
Pin
Pin Name
Functional Description
1 NC
No
Connection
2 KEY1
Key
1
Output
(Volume_up, Channel_down, Channel_up)
3 KEY2
Key
2
Output
(Volume_down, Power)
4 5V
Vcc
5V
5 GND
Ground
6 NC
No
Connection
CN 3 : OSD Button
7 NC
No
Connection
8) RCA Jack Board
Connector
Location
Pin
Pin Name
Functional Description
RCA-4A :
RED
Audio
Input
RCA-5A
WHITE
Audio
Input
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 ...