Service Manual
Sep. 30th, 2010 (Version 1.3) Page 9 / 21
Board Connectors Pin Assignment
a. CON24: 40 Pin define for Connector to Panel (NC 36 or 40 PIN, On Main Board):
LCD panel for example:SAMSUNG 32” panel
PIN Description PIN No. Description
1 GND 21 RXE2+
2 GND 22 RXE2-
3 RX00+ 23 RXEC+
4 RX00- 24 RXEC-
5 RX01+ 25 RXE3+
6 RX01- 26 RXE3-
7 RX02+ 27 RXE4+
8 RX02- 28 RXE4-
9 RX0C+ 29 GND
10 RX0C- 30 GND
11 RX03+ 31 GND
12 RX03- 32 GND
13 RX04+ 33 VCC
14 RX04- 34 VCC
15 GND 35 VCC
16 GND 36 VCC
17 RXE0+ 37 IIC-SCL
18 RXE0- 38 IIC-SDA
19 RXE1+ 39 GND
20 RXE1- 40 GND
b. CON33: Connector from Main Board to IR Board (5PIN, On Main Board)
PIN Symbol Description
1 5VSB Power Supply of IR Board +5V (standby 5V)
2 GND Power Supply of Ground
3 IR IR Receive
4 LED
Interrupt Input of Remote Controller (low-light ≧2.6~2.7V, High-light >3V, not light < 2.5V)
5 GND Power Supply of Ground
6 SAR0 Key select pin Connect (The connected voltage: 0V/0.55V/1.1V/1.65V, not connected voltage: 3.3V)
7 SAR1 Key select pin Connect (The connected voltage: 0V/0.55V/1.1V/1.65V, not connected voltage: 3.3V)