Read Sharp PN-Y555 Service Manual online
PN-Y325/Y425/Y475/Y555 HARDWARE DESCRIPTIONS
9 - 2
2. PINS TABLE
■POWER PWB
CN9902 Power input
Pin No.
Symbol
Function
1 AC
Line
AC input
2 AC
Neutral
CN902 LED Driver power supply/control signal
Pin No.
Symbol
Function
1 ON/OFF
Backlight
control
2 DIM
Dimming
signal
3 N.C
4 +12V
None
5 GND
Power GND
6 GND
7 GND
8 GND
9 +24V
LED Driver PWB power
10 +24V
11 +24V
12 +24V
■Main PWB internal connectors
CN405 T-CON/Audio power
Pin No.
Symbol
Function
1 12V
T-CON power supply 12V
2 12V
3 12V
4 NC
NC
5 24V
Audio power supply 24V
6 24V
7 24V
8 GND
GND
9 GND
10 GND
11 GND
12 GND
CN700 Main PWB power supply/control signal
Pin No.
Symbol
Function
1 ON/OFF
Backlight
ON/OFF
2 DIM
Dimming
signal
3 N.C
4 +12V
T-CON power supply 12V
5 +12V
6 GND
Power GNG
7 GND
8 GND
9 +24V
Audio power supply 24V
10 +24V
11 N.C
12 PS-ON
12V/24V
control
13 +5.2V
Main power supply 5V
14 +5.2V
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