LED
LED
LED
LED driver
driver
driver
driver
connector
connector
connector
connector
C
C
C
CON5/6
ON5/6
ON5/6
ON5/6
Pin
Pin
Pin
Pin number
number
number
number
Signal
Signal
Signal
Signal name
name
name
name
1
+
2
-
Backlight
Backlight
Backlight
Backlight adjust
adjust
adjust
adjust connector
connector
connector
connector
C
C
C
CON2
ON2
ON2
ON2
1
BL_ON
2
ADJ
3
GND
AMP
AMP
AMP
AMP power
power
power
power connector
connector
connector
connector C
C
C
CO
O
O
ON4
N4
N4
N4
1
GND
2
GND
3
VCC
4
VCC
Mainboard
Mainboard
Mainboard
Mainboard power
power
power
power supply
supply
supply
supply
connector
connector
connector
connector CON3
CON3
CON3
CON3
Pin
Pin
Pin
Pin number
number
number
number
Signal
Signal
Signal
Signal name
name
name
name
1
12V
2
12V
3
GND
4
GND
5
5V
6
5V
7
GND
8
GND
9
STB
10
5VSB
Service Manual
Model
Model
Model
Model No.:
No.:
No.:
No.: 75UF5550
75UF5550
75UF5550
75UF5550
4-3.
4-3.
4-3.
4-3. Power
Power
Power
Power Supply
Supply
Supply
Supply Module
Module
Module
Module
4-3-1.
4-3-1.
4-3-1.
4-3-1. Function
Function
Function
Function Description
Description
Description
Description
To supply power for Mainboard, Panel.
4-3-2.
4-3-2.
4-3-2.
4-3-2. Connector
Connector
Connector
Connector de
de
de
defi
fi
fi
finition
nition
nition
nition
CON
CON
CON
CON5
5
5
5
CON
CON
CON
CON6
6
6
6
CON4
CON4
CON4
CON4
CON2
CON2
CON2
CON2
CON1
CON1
CON1
CON1
CON3
CON3
CON3
CON3
C
C
C
CO
O
O
ON
N
N
N1
1
1
1 is
is
is
is the
the
the
the Power
Power
Power
Power cord
cord
cord
cord connector
connector
connector
connector....
15
15
15
15