Haier HLA42K2 Service Manual

Service Manual
Model No.:
32
4-4-2-3.L42K3
LG˄LC420WUN_SBD2˅
LVDS:
No Symbol Description No Symbol Description
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
Bit Select
-
R2AN
‘H’ or NC= 10bit(D) , ‘L’ = 8bit
SECOND LVDS Receiver Signal (A-)
SECOND LVDS Receiver Signal (A+)
SECOND LVDS Receiver Signal (B-)
SECOND LVDS Receiver Signal (B+)
SECOND LVDS Receiver Signal (C-)
SECOND LVDS Receiver Signal (C+)
Ground
SECOND LVDS Receiver Clock Signal(-)
SECOND LVDS Receiver Clock Signal(+)
Ground
SECOND LVDS Receiver Signal (D-)
SECOND LVDS Receiver Signal (D+)
SECOND LVDS Receiver Signal (E-)
SECOND LVDS Receiver Signal (E+)
No connection or GND
No connection or GND
Ground
Ground
Ground
No connection
Power Supply +12.0V
Power Supply +12.0V
Power Supply +12.0V
Power Supply +12.0V
R2AP
R2BN
R2BP
R2CN
R2CP
GND
R2CLKN
R2CLKP
GND
R2DN
R2DP
R2EN
R2EP
Reserved
Reserved
GND
GND
GND
NC
VLCD
VLCD
VLCD
VLCD
--
2
NC No Connection
11
GND
Ground
12
R1AN
FIRST LVDS Receiver Signal (A-)
13
R1AP
FIRST LVDS Receiver Signal (A+)
14
R1BN
FIRST LVDS Receiver Signal (B-)
15
R1BP
FIRST LVDS Receiver Signal (B+)
21
GND
Ground
22
R1DN
FIRST LVDS Receiver Signal (D-)
23
R1DP
FIRST LVDS Receiver Signal (D+)
24
R1EN
FIRST LVDS Receiver Signal (E-)
25
R1EP
FIRST LVDS Receiver Signal (E+)
3
NC No Connection
4
NC No Connection
5
NC No Connection
6
NC No Connection
7
LVDS Select
‘H’ =JEIDA , ‘L’ or NC = VESA
8
VBR EXT External VBR (From System)
9
OPC OUT OPC output (From LCM)
10
OPC Enable ‘H’ = Enable , ‘L’ or NC = Disable
16
R1CN
FIRST LVDS Receiver Signal (C-)
17
R1CP
FIRST LVDS Receiver Signal (C+)
18
GND
Ground
19
R1CLKN
FIRST LVDS Receiver Clock Signal(-)
20
R1CLKP
FIRST LVDS Receiver Clock Signal(+)
26
Reserved
No connection or GND
1
GND
Ground
,
,
1
1
9
9
(
(
5
5
7
7
2
2
5
5




Pin No Symbol Description
1
VBL Power Supply +24.0V
2
VBL
Power Supply +24.0V
3
V
BL
Power Supply +24.0V
4
V
BL Power Supply +24.0V
5
VBL Power Supply +24.0V
6
GND Backlight Ground
7
GND Backlight Ground
11
VBR-A
Analog Dimming
12
V
ON/OFF
Backlight ON/OFF control
14
Status
Lamp Status
8
GND Backlight Ground
9
GND Backlight Ground
10
GND Backlight Ground
13
EXTVBR-B
External PWM

Haier HLA42K2 Specifications

General

Brand	Haier
Model	HLA42K2
Category	LCD TV
Language	English