Samsung LE27S73BD Service Manual page 148

8 Wiring Diagrams
CN5001 - Front control
PIN 1 2
NAME GND GND A5V
Function Define
- A5V Front control board poewr supply
- KEY INPUT1,2/SDA/SCL
- IR Remote control signal
- LED_GREEN/LED_RED
CN4002 - Panel control
PIN 1
NAME SW_inverter
Function Define
- SW_inverter panel inverter control, about 5V
- Ana_dimming panel dimming control
- PWM_dimming panel PWM control, duty 40% ~ 90%
- SENSOR POWER brightness sensor power supply
8-4
3 4 5 6
- KEY KEY
INPUT1 INPUT2
Key control, from the memu, change up/down Etc.
Control the timing and stand by LED color
2 3
Ana_dimming PWM_dimming
7 8 9 10
GND - IR -
4
GND SENSOR POWER
11 12 13 14
LED_ LED_ GND SDA
GREEN LED
5
15
SCL