PDP-505PE
28
1
2
3
4
1
2
3
4
C
D
F
A
B
E
CN4003 (R3) <
⇔
MEDIA RECEIVER >
CN4009 (R7) <
⇔
HD AUDIO AMP ASSY >
CN4010 (R8) <
⇔
PANEL LED ASSY, PANEL IR ASSY, KEY CONTROL ASSY >
CN4801 (SW1) <
⇔
KEY CONTROL ASSY >
No. Signal Name
I/O
Signal Description
Voltages at NTSC Signal Input
22
GND
−
GND
23
RXC+
I
DVI signal
DVI differential signal (-)
24
RXC-
I
DVI signal
DVI differential signal (+)
• Voltages
1
LED_G
O
LED control (green)
+2.1VDC
2
LED_R
O
LED control (red)
0VDC
3
AC_OFF
O
Primary power supply (AC) state output at the panel side
0VDC
No. Signal Name
I/O
Signal Description
Voltages at NTSC Signal Input
1
A_NG
I
Abnormal detecting signal of the audio block
+3.3V DC
2
V+6.5
O
+6.5V power supply
+6.8V DC
3
GNDA
−
GND
4
L_IN
O
L ch audio signal
Audio L signal
5
GNDA
−
GND
6
R_IN
O
R ch audio signal
Audio R signal
7
ST_BY
O
Standby signal of the audio block
+3.3V DC
8
A_MUTE
O
Audio mute signal input
0V DC
9
SCL
O
I2C control signal for audio
0-3.3V amplitude square wave
10
SDA
O
I2C control signal for audio
0-3.3V amplitude square wave
11
FOCUS
O
Focus function control signal
+3.3V DC
12
SRS
O
SRS function control signal
+3.3V DC
13
TRUBASS
O
TRUBASS function control signal
+3.3V DC
No. Signal Name
I/O
Signal Description
Voltages at NTSC Signal Input
4
STB3V
O
+3.3V power supply
+3.3V DC
5
STBGND
−
GND
6
REM
I
Remote control code signal input
0-3.3V amplitude square wave (at remocon
code transmission)
7
STB+3V
O
+3.3V power supply
+3.3V DC
8
KEY
I
Function key code signal input at the panel side
0-3.3V amplitude square wave (at key operation)
9
STBGND
−
GND
No. Signal Name
I/O
Signal Description
Voltages at NTSC Signal Input
1
STBGND
−
GND
0V DC
2
G1
O
Key scan signal
0V DC
3
G0
O
Key scan signal
0V DC
4
D5
I
Key scan signal
+3.3V DC
5
D6
I
Key scan signal
+3.3V DC
6
D7
I
Key scan signal
+3.3V DC
