Sharp PN-K321 Service Manual page 111

CN No. Pin No.
CN2202 33
LVDS output
34
Connecter 2
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
CN2902 1
Non-use
2
connecter
3
4
5
6
7
8
CN2402 1
Non-use
2
connecter
3
4
CN2403 1
Non-use
2
connecter
3
4
CN2404 1
Non-use
2
connecter
3
4
■ LED DRIVER PWB
Pin Name Function
LVTX_B_CH2P LVDS data
LVTX_B_CH2N LVDS data
LVTX_B_CH1P LVDS data
LVTX_B_CH1N LVDS data
LVTX_B_CH0P LVDS data
LVTX_B_CH0N LVDS data
LVTX_A_CH4P LVDS data
LVTX_A_CH4N LVDS data
LVTX_A_CH3P LVDS data
LVTX_A_CH3N LVDS data
LVTX_A_CLKP LVDS clock
LVTX_A_CLKN VLDS clock
LVTX_A_CH2P LVDS data
LVTX_A_CH2N LVDS data
LVTX_A_CH1P LVDS data
LVTX_A_CH1N LVDS data
LVTX_A_CH0P LVDS data
LVTX_A_CH0N LVDS data
GND GND
THERM1 Thermistor signal
GND GND
THERM2 Thermistor signal
GND GND
THERM3 Thermistor signal
GND GND
THERM4 Thermistor signal
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
PN-K321/K322B
CN No.
P5001
LED DRIVER
INPUT
SC5002
LED Bar
OUTPUT
■ KEY/LED INDICATOR PWB
CN No.
P1001
KEY&LED
INDICATOR
HARDWARE DESCRIPTIONS
Pin No. Symbol
1 VIN
2 VIN
19.0V
3 VIN
4 VIN
5 GND
6 GND
GND
7 GND
8 GND
9 ERROR ERROR detection
10 STB BL ON/OFF
11 PWM PWM dimming control
12 NC -
1 ANODE LED anode
2 ANODE LED anode
3 NC -
4 NC -
5 CATHODE1 LED cathode 1
6 CATHODE2 LED cathode 2
7 CATHODE3 LED cathode 3
8 CATHODE4 LED cathode 4
Pin No. Symbol
1 D3.3V 3.3V
2 GREEN_LED LED Green signal
3 RED_LED LED Red signal
4 KEY SW KEY input signal
5 GND GND
8 - 9
Function
Function