Sharp PN-K321, Руководство по обслуживанию

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PN-K321/K322B HARDWARE DESCRIPTIONS 8 - 11
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