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40
HP L1740
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Control
Board
D0+/D0-
R+-/G+-/B+-/CLK+-
AC to DC
BL_EN, Brightness
Power
+ Inverter
5V
Board
3.3V
12V
EEPROM
5V
D2+/D2-
USB 2.0
GL 850
D1+/D1-
R+-/G+-/B+-/CLK+-
R/G/B
HS/VS
5V
DSUB_CA
ISPSCL,SDA
ADDR0/17, Data 0/7
Flash
Bank, ROM_OE/WE,
Memory
Panel_ID
R/G/B
EEPROM
3.3V
Block Diagram
Key Function
3.3V
Schmitter
gate
Write_enable
DDC
IIC
1.8V
Reg.
Power Control
Scaler
RXEC+/-
Gm5321
RXE3+/-
RXE2+/-
RXE1+/-
RXE0+/-
RXOC+/-
RXO3+/-
RXO2+/-
RXO1+/-
RXO0+/-
5V for LPL/CPT
Panel PWR
MOS
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