Sharp PN-K321, Service Manual

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PN-K321/K322B HARDWARE DESCRIPTIONS 8 - 7
CN No. Pin No. Pin Name Function
CN3200
power
connecter
1 GND GND
2 DCCNT1 (Not-use)
3 MAINPOW
_EN
MAIN board 12V power
control signal
4 LCDPOW_
EN
LCD 12V power control
signal
5 BKLTPOW
_EN
Back light power control
signal
6 LCD12V_S
ENS
LCD 12V power voltage
detection signal
7 DCIN_SEN
S
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
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 RESERVE
D
TouchPanel detection signal
7 PCVBUS +5V power
8 SCL I2C signal
9 SDA I2C signal
10 OSD OSD notification signal
11 GND GND
CN No. Pin No. Pin Name Function
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
33 LVTX_B_CH2P LVDS data
34 LVTX_B_CH2N LVDS data
35 LVTX_B_CH1P LVDS data
36 LVTX_B_CH1N LVDS data
37 LVTX_B_CH0P LVDS data
38 LVTX_B_CH0N LVDS data
39 LVTX_A_CH4P LVDS data
40 LVTX_A_CH4N LVDS data
41 LVTX_A_CH3P LVDS data
42 LVTX_A_CH3N LVDS data
43 LVTX_A_CLKP LVDS clock