56
6) LAMP Inverter Board
6-1) Lamp Inverter Board for two-lamp LCD screen
Connector
Location
Pin
Pin Name
Functional Description
1
VCC
DC 12V/3.5A Vcc
2 GND
Ground
3
On/Off
Back Light On/Off Control
4
CTRL
Adjustment for Back Light Bright (DC 0 ~
5V)
CN 1 :
Input Connector
5 GND
Ground
1
Lamp H1
High Voltage connection to high side of
lamp
CN 2 :
Output Connector 1
2
Lamp L1
Low Voltage connection to low side of lamp
1
Lamp H2
High Voltage connection to high side of
lamp
CN 3 :
Output Connector 2
2
Lamp L2
Low Voltage connection to low side of lamp
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 ...