Mainboard - Haier LET32H320 Service Manual

4-2. Mainboard

LET32H320
Connector Defi nition
Mainboard power supply
connector J1
Pin number Signal name
12V
1
12V
2
GND
3
12V
4
GND
5
GND
6
5VS
7
ADJ
8
GND
9
PW
10
NC
11
ON/OFF
12
Key Board connector J15
Pin number
GND
1
2 KEY1
3 KEY0
4 3.3VS
Speaker connector J10
Pin number Signal name
LOUT+
1
2 LOUT-
3 ROUT+
4 ROUT-
Signal name
Service Manual
Model No.: LET32H320 LET42H320
LET42H320
Remote control connector J7
Pin number
5VS
1
2 IR
3 LED_R
4 LED_G
5 GND
Eye guide connector J17
Pin number
3V3
1
2 GND
3 SCL
4 SDA
LED light connector J700
Pin number
LED_R
1
2 LED_G
3 GND
Remote control connector CN23
Pin number
5VS
1
2 IR
3 I/O
4 3D
5 GND
6 3.3V
7 GND
8 SCL
9 SDA
Signal name
Signal name
Signal name
Signal name
15