Read Sharp PN-Y425 Service Manual online
PN-Y325/Y425/Y475/Y555 HARDWARE DESCRIPTIONS
9 - 5
■LED/KEY PWB
CN201 IR/LED control
Pin No.
Symbol
Function
1 GND
GND
2
G_LED_ON
Green LED light signal
3
R_LED_ON
Red LED light signal
4 +3.3V
Power
5 INPUT
Input
SW
6 POWER
Power
SW
7 GND
GND
8
IR
Remote controller signal
CN103 RCA audio input
Pin No.
Symbol
Function
1 -
GND
2
AUD_IN2_L
L audio input
3 -
GND
4
AUD_IN2_R
R audio input
CN604 RCA audio output
Pin No.
Symbol
Function
1 -
GND
2 AUD_OUT_L
L
audio
output
3 -
GND
4
AUD_OUT_R
R audio output
CN1031 USB connector
Pin No.
Symbol
Function
1 +5V
Power
2 USB_DM
USB
signal
3 USB_DP
USB
signal
4 GND
GND
CN502 DVI-D input
Pin No.
Symbol
Function
1 DIN_RX2M
TMDS data
2 DIN_RX2P
3 -
GND
4 -
NC
5 -
6 DVI_SCL_E
DDC
clock
7 DVI_SDA_E
DDC
data
8 -
NC
9 DIN_RX1M
TMDS data
10 DIN_RX1P
11 GND
GND
12 -
NC
13 -
14
DVI_5V
DDC power supply 5V
15 DVI_CAB
Control
signal
16
DVI_HP
Hot plug signal
17 DIN_RX0M
TMDS data
18 DIN_RX0P
19 GND
GND
20 -
NC
21 -
22 -
GND
23 DIN_RXCP
TMDS clock
24 DIN_RXCM
CN104 PC audio input（3.5
φ）
Pin No.
Symbol
Function
1 -
GND
2
VGA AudioLIN
L audio input
3
VGA AudioRIN
R audio input
4 -
GND
5 -
NC
6 -
GND
7 -
NC
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