Read Sharp PN-K322BH (serv.man3) Service Manual online
PN-K321/K322B HARDWARE DESCRIPTIONS
8 - 9
CN No.
Pin No.
Pin Name
Function
CN2901
LED indicator
connecter
1 GND
GND
2 LED_R
LED(Red) lighting
control signal
3 LED_G
LED(Green)
lighting control
signal
4 OPT_3.3V
(Not-use)
5 N.C.
-
6 N.C.
-
7 OPTIN
(Not-use)
8 IR
(Not-use)
9 IR_3.3V
+3.3V
power
10 GND
GND
CN3002
back light unit
Control connecter
1 24VSENS
(Not-use)
2 /ERROR
Back light error
Signal
3 GND
GND
4 STB
Back light
ON/OFF control
signal
5 OFL1
Back light
PWM signal
6 OFL2
7 VSYNC
(Not-use)
8 HSYNC
(Not-use)
9 I2C_SCK
(Not-use)
19 I2C_SDA
(Not-use)
11 GND
GND
12 N.C.
-
CN3200
power connecter
1 GND
GND
2 DCCNT1
(Not-use)
3 MAINPOW_EN
MAIN board 12V
power control
signal
4 LCDPOW_EN
LCD 用 12V power
control signal
5 BKLTPOW_EN
back light power
control signal
6 LCD12V_SENS
LCD 用 12V power
voltage detection
signal
7 DCIN_SENS
AC adapter input
voltage detection
signal
8
BU5V
5V power input
9
BU5V
5V power input
10
BU3.3V
3.3V power input
11
MAIN12V
12V power input
12 GND
GND
13 GND
GND
14 GND
GND
15 GND
GND
CN No.
Pin No.
Pin Name
Function
CN2800
Touch Panel
USB 2.0-MiniB
connecter
1 VBUS
+5V
power
2 DM
USB
signal
3 DP
USB
signal
4 N.C.
-
5 GND
GND
6 SHIELD
GND
7 SHIELD
GND
CN2803
Touch Panel
internal connection
connecter
1 SLDGND
GND
2 VBUS
+5V
power
3 DM
USB
signal
4 DP
USB
signal
5 GND
GND
6 RESERVED
TouchPanel
detection signal
7 PCVBUS
+5V
power
8 SCL
I2C
signal
9 SDA
I2C
signal
10 OSD
OSD notification
signal
11 GND
GND
CN901
LVDS output
Connecter 1
1 GND
GND
2 LVTX_D_CH4P
LVDS
data
3 LVTX_D_CH4N
LVDS
data
4 LVTX_D_CH3P
LVDS
data
5 LVTX_D_CH3N
LVDS
data
6 LVTX_D_CLKP
LVDS
clock
7 LVTX_D_CLKN
VLDS
clock
8 LVTX_D_CH2P
LVDS
data
9 LVTX_D_CH2N
LVDS
data
10 LVTX_D_CH1P
LVDS
data
11 LVTX_D_CH1N
LVDS
data
12 LVTX_D_CH0P
LVDS
data
13 LVTX_D_CH0N
LVDS
data
14 LVTX_C_CH4P
LVDS
data
15 LVTX_C_CH4N
LVDS
data
16 LVTX_C_CH3P
LVDS
data
17 LVTX_C_CH3N
LVDS
data
18 LVTX_C_CLKP
LVDS
clock
19 LVTX_C_CLKN
VLDS
clock
20 LVTX_C_CH2P
LVDS
data
21 LVTX_C_CH2N
LVDS
data
22 LVTX_C_CH1P
LVDS
data
23 LVTX_C_CH1N
LVDS
data
24 LVTX_C_CH0P
LVDS
data
25 LVTX_C_CH0N
LVDS
data
26 GND
GND
27 LVTX_B_CH4P
LVDS
data
28 LVTX_B_CH4N
LVDS
data
29 LVTX_B_CH3P
LVDS
data
30 LVTX_B_CH3N
LVDS
data
31 LVTX_B_CLKP
LVDS
clock
32 LVTX_B_CLKN
VLDS
clock
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