Dell 1907FPf Service Manual page 13

24 GND_LVDS
25 RXO2+
26 RXO2-
27 RXO1+
28 RXO1-
29 RXO0+
30 RXO0-
11.2 CN1, CN2, CN3, CN4 (Connect to Panel Backlight, SM02B-BHSS-1-TB or compatible connector)
Pin
1 HV
2 LV
11.3 CN401 (Connect IF to keypad S8B-PH-K or compatible connector)
Pin
1 Audio Detect
2 LED Amber
3 LED Green
4 UP
5 DOWN
6 MENU
7 Select
8 GND
11.4 CN601 (Connect Power/Inverter with IF board)
Pin
1 GND
2 GND
3 GND
4 Audio Detect
5 SUB_DC_ON/OFF
6 +5V
7 +5V
8 +5V
9 Brightness
10 CCFL_ON/OFF
11.5 CN901 (Connect I/F with transfer USB Board) & CN102
Pin
1 GND
2 PWR3
3 DD3M
4 DD3P
5 GND
6 GND
7 DD4P
8 DD4M
9 PWR4
10 GND
LVDS Ground
LVDS signal of even channel 2(+)
LVDS signal of even channel 2(-)
LVDS signal of even channel 1(+)
LVDS signal of even channel 1(-)
LVDS signal of odd channel 0(+)
LVDS signal of odd channel 0(-)
Symbol
High voltage for lamp
Low voltage for lamp
Symbol
Sound bar detect pin
LED Green on/off control
LED amber on/off control
keypad "+" control
Keypad "-" control
Keypad "MENU" control
Input signal Select
GND
Symbol
GND
GND
GND
Sound bar detect
+5V on/off control
DC_+5V
DC_+5V
DC_+5V
Brightness control
CCFL ON/OFF control
Symbol
Description
Description
Description
Pin Symbol
1 GND
2 PWR4
3 DD4M
4 DD4P
5 GND
6 GND
7 DD3P
8 DD3M
9 PWR3
10 GND
12
Service Manual