Pioneer PDP-505PE Quick Start Manual page 28

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