Pioneer PDP-503PC Service Manual page 33

5
Voltages
CN4002 (MDR Connector) (↔ Media Receiver)
No. Name Description
232C bus (PDP → MR)
1 M_RXD
2 GND
3 SENCE Connecting detection for MR
4 SPR Audio signal R ch
5 SMPOW MR relay control
6 GND
7 CCKM System activation detection
8 CSEN2 System activation signal
9 CSEN1 Not used
10 SPL Audio signal L ch
232C bus (MR → PDP)
11 M_TXD
12 GND
13 SPR Audio signal R ch
14 SR_DW Remote control signal
15 SR_UP MDR connecting detection signal
multiplex remote control signal
16 GND
17 FRASH_W Not used
18 SRST Not used
19 GND
20 SPL Audio signal L ch
CN4004 (50P_FFC Connector) (↔ DIGITAL VIDEO Assy)
No. Name Description
1 GND
2 GND
3 NC
4 NC
5 NC
6 NC
7 BB0 8 bit video signal
8 BA0 8 bit video signal
9 BB1 8 bit video signal
10 BA1 8 bit video signal
11 BB2 8 bit video signal
12 BA2 8 bit video signal
13 BB3 8 bit video signal
14 BA3 8 bit video signal
15 BB4 8 bit video signal
16 BA4 8 bit video signal
17 BB5 8 bit video signal
18 BA5 8 bit video signal
19 BB6 8 bit video signal
20 BA6 8 bit video signal
21 BB7 8 bit video signal
22 BA7 8 bit video signal
23 GND
24 GND
25 NC
26 NC
27 NC
28 NC
29 GB0 8 bit video signal
30 GA0 8 bit video signal
31 GB1 8 bit video signal
32 GA1 8 bit video signal
33 GB2 8 bit video signal
34 GA2 8 bit video signal
35 GB3 8 bit video signal
36 GA3 8 bit video signal
37 GB4 8 bit video signal
38 GA4 8 bit video signal
39 GB5 8 bit video signal
40 GA5 8 bit video signal
41 GB6 8 bit video signal
42 GA6 8 bit video signal
43
GB7 8 bit video signal
44 GA7 8 bit video signal
45 GND
46 GND
47 NC
48 NC
49 GND
50 GND
5
6
CN4003 (DVI Connector) (↔ Media Receiver)
Voltage at INPUT4 NTSC Input No.
0-5V swing square wave 1
2
0.0V DC 3
Analog audio signal wave 4
3.5V DC 5
6
1.9V DC 7
5.0V DC 8
9
Analog audio signal wave 10
0-3.3V swing square wave 11
12
Analog audio signal wave 13
5.0V DC 14
3.75V DC 15
16
17
18
19
20
Analog audio signal wave 21
22
23
24
CN4005 (50P_FFC Connector) (↔ DIGITAL VIDEO Assy)
Voltage at INPUT4 NTSC Input No.
1
2
3
4
5
6
0-3.3V swing square wave 7
0-3.3V swing square wave 8
0-3.3V swing square wave 9
0-3.3V swing square wave 10
0-3.3V swing square wave 11
0-3.3V swing square wave 12
0-3.3V swing square wave 13
0-3.3V swing square wave 14
0-3.3V swing square wave 15
0-3.3V swing square wave 16
0-3.3V swing square wave 17
0-3.3V swing square wave 18
0-3.3V swing square wave 19
20
0-3.3V swing square wave
0-3.3V swing square wave 21
0-3.3V swing square wave 22
23
24
25
26
27
28
0-3.3V swing square wave 29
0-3.3V swing square wave 30
0-3.3V swing square wave 31
0-3.3V swing square wave 32
0-3.3V swing square wave 33
0-3.3V swing square wave 34
0-3.3V swing square wave 35
0-3.3V swing square wave 36
0-3.3V swing square wave 37
0-3.3V swing square wave 38
0-3.3V swing square wave 39
0-3.3V swing square wave 40
0-3.3V swing square wave 41
0-3.3V swing square wave 42
43
0-3.3V swing square wave
0-3.3V swing square wave 44
45
46
47
48
49
50
PDP-503PC
6
7
Name Description
RX2- DVI signal
RX2+ DVI signal
GND
NC
NC
DDC_SCL I2C for DDC
DDC_SDA I2C for DDC
NC
RX1- DVI signal
RX1+ DVI signal
GND
NC
NC
DDC_+5V I2C power supply for DDC
GND
HPD HOT_PLUG detection
RX0- DVI signal
RX0+ DVI signal
GND
NC
NC
GND
RXC+ DVI signal
RXC- DVI signal
Name Description
NC
NC
NC
NC
RB0 8 bit video signal
RA0 8 bit video signal
RB1 8 bit video signal
RA1 8 bit video signal
RB2 8 bit video signal
RA2 8 bit video signal
RB3 8 bit video signal
RA3 8 bit video signal
RB4 8 bit video signal
RA4 8 bit video signal
RB5 8 bit video signal
RA5 8 bit video signal
RB6 8 bit video signal
RA6 8 bit video signal
RB7 8 bit video signal
RA7 8 bit video signal
GND
CLK Clock
GND
DE Data enable
GND
HD Horizontal sync. signal
GND
VD Vertical sync. signal
GND
A_SCL I2C bus
F_KEY1 Front key signal 1
PMST MDR connecttion Detect signal
SMPOW MR relay control
A_MUTE Audio mute
CCKM System activation detect
M_STATE SiI861 I2C bus master infomation
SW_STC Not used
A_NG Not used
SW_TRG System activation signal
F_KEY2 Front key signal 2
A_SDA I2C bus
*LED_G Green LED control signal
TXD0 232C bus
*LED_R Red LED control signal
RXD0 232C bus
DDC_SCL I2C for DDC
REM Remote control signal
DDC_SDA I2C for DDC
GND
GND
7
8
Voltage at INPUT4 NTSC Input
DVI signal
DVI signal
0-5V swing square wave
0-5V swing square wave
DVI signal
DVI signal
5.0V DC
5.0V DC
DVI signal
DVI signal
DVI signal
DVI signal
Voltage at INPUT4 NTSC Input
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave
0-3.3V swing square wave (40MHz)
0-3.3V swing square wave (+ polarity)
0-3.3V swing square wave
(- polarity 48.4kHz)
0-3.3V swing square wave
(- polarity 60.0Hz)
0-5V swing square wave
5.0V DC
3.75V DC
5.0V DC
0.0V DC
1.9V DC
0.0V DC
5.0V DC
5.0V DC
0-5V swing square wave
0.0V DC
0-5V swing square wave
5.0V DC
0-5V swing square wave
0-5V swing square wave
5.0V DC
0-5V swing square wave
33
8
A
B
C
D
E
F