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CN No.
Pin No.
1
2
3
CN2901
4
LED indicator
5
connecter
6
7
8
9
10
1
2
3
4
CN3002
5
back light unit
Control connecter
6
7
8
9
19
11
12
1
2
3
4
5
6
CN3200
power connecter
7
8
9
10
11
12
13
14
15
Pin Name
Function
GND
GND
LED(Red) lighting
LED_R
control signal
LED(Green)
LED_G
lighting control
signal
OPT_3.3V
(Not-use)
N.C.
-
N.C.
-
OPTIN
(Not-use)
IR
(Not-use)
IR_3.3V
+3.3V power
GND
GND
24VSENS
(Not-use)
Back light error
/ERROR
Signal
GND
GND
Back light
STB
ON/OFF control
signal
Back light
OFL1
PWM signal
OFL2
VSYNC
(Not-use)
HSYNC
(Not-use)
I2C_SCK
(Not-use)
I2C_SDA
(Not-use)
GND
GND
N.C.
-
GND
GND
DCCNT1
(Not-use)
MAIN board 12V
MAINPOW_EN
power control
signal
LCD 用 12V power
LCDPOW_EN
control signal
back light power
BKLTPOW_EN
control signal
LCD 用 12V power
LCD12V_SENS
voltage detection
signal
AC adapter input
DCIN_SENS
voltage detection
signal
BU5V
5V power input
BU5V
5V power input
BU3.3V
3.3V power input
MAIN12V
12V power input
GND
GND
GND
GND
GND
GND
GND
GND
PN-K321/K322B
HARDWARE DESCRIPTIONS
CN No.
Pin No.
1
2
CN2800
3
Touch Panel
4
USB 2.0-MiniB
5
connecter
6
7
1
2
3
4
5
CN2803
6
Touch Panel
internal connection
7
connecter
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN901
16
LVDS output
17
Connecter 1
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
8 - 11
Pin Name
Function
VBUS
+5V power
DM
USB signal
DP
USB signal
N.C.
-
GND
GND
SHIELD
GND
SHIELD
GND
SLDGND
GND
VBUS
+5V power
DM
USB signal
DP
USB signal
GND
GND
TouchPanel
RESERVED
detection signal
PCVBUS
+5V power
SCL
I2C signal
SDA
I2C signal
OSD notification
OSD
signal
GND
GND
GND
GND
LVTX_D_CH4P
LVDS data
LVTX_D_CH4N
LVDS data
LVTX_D_CH3P
LVDS data
LVTX_D_CH3N
LVDS data
LVTX_D_CLKP
LVDS clock
LVTX_D_CLKN
VLDS clock
LVTX_D_CH2P
LVDS data
LVTX_D_CH2N
LVDS data
LVTX_D_CH1P
LVDS data
LVTX_D_CH1N
LVDS data
LVTX_D_CH0P
LVDS data
LVTX_D_CH0N
LVDS data
LVTX_C_CH4P
LVDS data
LVTX_C_CH4N
LVDS data
LVTX_C_CH3P
LVDS data
LVTX_C_CH3N
LVDS data
LVTX_C_CLKP
LVDS clock
LVTX_C_CLKN
VLDS clock
LVTX_C_CH2P
LVDS data
LVTX_C_CH2N
LVDS data
LVTX_C_CH1P
LVDS data
LVTX_C_CH1N
LVDS data
LVTX_C_CH0P
LVDS data
LVTX_C_CH0N
LVDS data
GND
GND
LVTX_B_CH4P
LVDS data
LVTX_B_CH4N
LVDS data
LVTX_B_CH3P
LVDS data
LVTX_B_CH3N
LVDS data
LVTX_B_CLKP
LVDS clock
LVTX_B_CLKN
VLDS clock
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