Haier L39B2180a, Service Manual

Page: 12 / 59

3 - 3 . Power Bo a rd
S ervice M a nu a l
Model No.:
- 11 -
Spe a ker c onne c tor J1 3
Pin nu m ber S i g n a l n am e Description
A udio Ri g ht+ch a nnel Output
R+
1
2
3
A udio Le f t+ch a nnel Output L+ 4
L-
R-
A udio Le f t- ch a nnel Output
A udio Ri g ht- ch a nnel Output
Power supply connectors
AC INPUT
Location: CON1
Connector type
: 3.96mm-3Pin
Pin assignments:
Table.
Pin No Symbol Description
1 L
AC INPUT LINE
3 N
AC INPUT NUTURE
DC Output :
Location: CON4
Connector type
: PH-5A 5P/2.0mm or equivalent
Pin assignments:
Table. (2.0mm-4pin)
Pin No Symbol Description
1
ADJ
Brightness
2
SW
Inverter On/off Control
3
GND
Ground
4
GND
Ground
Location: CON3
Connector type : XH-4A 4P/2.5mm or equivalent
Pin-CON3 Connection And Function TYPE : 2.54MM*4PIN
NO.
Pin Connection Function
1 +24V +24V OUTPUT
2 +24V +24V OUTPUT
3 GND
Ground
4 GND
Ground
Location: CON2
Connector type : JST-B13PH-K-S or equivalent
Pin assignments:
Table. (2.5mm -13Pin)
Pin No Symbol Description
1,2,9,10,11 GND Ground
3,4,7,8 +5V +5V Output
5 STB SMPS On/off Control(ON=HIGH)
6 +5VSB Standby Output
12,13 +12V +12V Output