Pioneer PDP-425CMX Service Manual page 46

1
A
Name Pin No. Pin name
6 VDDM3.3V 3.3V power supply for microcomputer
7 GND GND
8 VDDM5V 5V power supply for microcomputer
AV 1 SLOT_VD VD for ANALOG
CN5001 SYNC
2 GND GND
3 GND GND
4 AUDIO_L AUDIO L ch
5 SLOT_HD HD for ANALOG
SYNC
6 GND GND
B
7 GND GND
8 AUDIO_R AUDIO R ch
9 R(R-Y) RED(Cr or Pr) for
ANALOG
10 GND GND
11 GND GND
12 NC Non-connection termial
13 B(B-Y) BLUE(Cb or Pb) for
ANALOG
14 GND GND
15 GND GND
16 NC Non-connection termial
17 Y(G)ON_ GREEN(Y) for
SYNC ANALOG(on Sync)
18 GND GND
19 GND GND
20 NC Non-connection termial
19 VD_SA VD for ANALOG
SYNC
C
AV 20 GND GND
CN4005 17 GND GND
18 AUDIO_L AUDIO L ch
15 HD_SA HD for ANALOG
SYNC
16 GND GND
13 GND GND
14 AUDIO_R AUDIO R ch
11 R(R-Y) RED(Cr or Pr) for
ANALOG
12 GND GND
9 GND GND
10 NC Non-connection termial
7 B(B-Y) BLUE(Cb or Pb) for
ANALOG
8 GND GND
5 GND GND
D 6 NC Non-connection termial
3 Y(G)ON_ GREEN(Y) for
SYNC ANALOG(on Sync)
4 GND GND
1 GND GND
2 NC Non-connection termial
1 NC Non-connection termial
D3 2 PNP_WR EEPROM WRITE
CN5301 PROTECT
3 VCC_ VIDEO CARD voltage
DOWN1 surveillance
4 GND GND
5 SCL5 Clock line of the
I2C bus
6 SDA5 Data line of the
I2C bus
E
7 SCL_VS Clock line of the
I2C bus
8 SDA_VS Data line of the
I2C bus
9 GND GND
10 IN4_DET INPUT4 SIGNAL
DETECT for AUTO
POWER OFF
F
46
1
2
Basic operation(Numerical unit:Vdc; except for case when units are individually indicated)
AC power ON MAIN POWER "ON"
Function
(Power cord
connected to the
No signal
wall outlet)
0
0
MAIN 0 Synchronized
signal of
SLOT HIGH
MIN 2.4V,
LOW MAX 0.9V
MAIN 0
MAIN 0
MAIN 0
MAIN 0
MAIN 0
MAIN 0
MAIN 0
MAIN 0
MAIN 0
MAIN 0
MAIN -
MAIN 0
MAIN 0
MAIN 0
MAIN -
MAIN 0
MAIN 0
MAIN 0
MAIN -
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F -
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F -
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F 0
VIDEO SLOT I/F -
MAIN -
MAIN 0
MAIN 0 Normal 3.3Vdc,
unusual 0Vdc
MAIN 0
MAIN 0 Clock signal
used during
transmission
(3.3Vac),
3.3Vdc when
no data are
transmitted
MAIN 0 During data
exchange:
Clock signal
(3.3Vac),
datanot
exchanged:
3.3Vdc
MAIN 0 Clock signal
used during
transmission
(3.3Vac),
3.3Vdc when
no data are
transmitted
MAIN 0 During data
exchange:
Clock signal
(3.3Vac),
datanot
exchanged:
3.3Vdc
MAIN 0
MAIN 0 When INPUT4
is inputted. 0V,
When INPUT4
signal is
not inputted,
PDP-425CMX
2
3
Power Standby
management
With signal
3.3V 3.3V 3.3V 3.3V
0 0 0
5V 5V 5V
Synchronized 0
signal of
SLOT HIGH
MIN 2.4V,
LOW MAX 0.9V
0 0 0
0 0 0
0 Audio signal 0
of SLOT
0 Synchronized 0
signal of
SLOT HIGH
MIN 2.4V,
LOW MAX 0.9V
0 0 0
0 0 0
0 Audio signal 0
of SLOT
0 Video signal 0
0.7Vp-p
0 0 0
0 0 0
- - -
0 Video signal 0
0.7Vp-p
0 0 0
0 0 0
- - -
0 Video signal 0
0.7~1.0Vp-p
0 0 0
0 0 0
- - -
0 Synchronized 0
signal of
SLOT HIGH
MIN 2.4V,
LOW MAX 0.9V
0 0 0
0 0 0
0 Audio signal 0
of SLOT
0 Synchronized 0
signal of
SLOT HIGH
MIN 2.4V,
LOW MAX 0.9V
0 0 0
0 0 0
0 Audio signal 0
of SLOT
0 Video signal 0
0.7Vp-p
0 0 0
0 0 0
- - -
0 Video signal 0
0.7Vp-p
0 0 0
0 0 0
- - -
0 Video signal 0
0.7~1.0Vp-p
0 0 0
0 0 0
- - -
- - -
0 0 0
Normal 3.3Vdc, 0
unusual 0Vdc
0 0 0
Clock signal 0
used during
data data
transmission
(3.3Vac),
3.3Vdc when
no data are
transmitted
During data 0
exchange:
Clock signal
(3.3Vac),
datanot
exchanged:
3.3Vdc
Clock signal 0
used during
data data
transmission
(3.3Vac),
3.3Vdc when
no data are
transmitted
During data 0
exchange:
Clock signal
(3.3Vac),
datanot
exchanged:
3.3Vdc
0 0 0
When INPUT4 0
signal signal
is inputted. 0V,
When INPUT4
signal is
not inputted,
5Vdc 5Vdc
3
4
AC Power OFF
Main power
Signal direction
(Power cord pulled
OFF
(DR : Data Relay)
out of the wall outlet
0 0 COMM SLOT I/F
0 0 0
5V 0 0 COMM SLOT I/F
0 0 0 VIDEO SLOT I/F
0 0 0
0 0 0
0 0 0
VIDEO SLOT I/F
0 0 0
VIDEO SLOT I/F
0 0 0
0 0 0
0 0 0
VIDEO SLOT I/F
0 0 0
VIDEO SLOT I/F
0 0 0
0 0 0
- - -
VIDEO SLOT I/F
0 0 0
0 0 0
0 0 0
- - -
0 0 0
VIDEO SLOT I/F
0 0 0
0 0 0
- - -
0 0 0 VIDEO SLOT I/F
0 0 0
0 0 0
0 0 0 VIDEO SLOT I/F
0 0 0 VIDEO SLOT I/F
0 0 0
0 0 0
0 0 0 VIDEO SLOT I/F
0 0 0 VIDEO SLOT I/F
0 0 0
0 0 0
- - -
0 0 0
VIDEO SLOT I/F
0 0 0
0 0 0
- - -
0 0 0
VIDEO SLOT I/F
0 0 0
0 0 0
- - -
- - -
0 0 0
MAIN VIDEO SLOT I/F
0 0 0
VIDEO SLOT I/F
0 0 0
0 0 0
MAIN VIDEO SLOT I/F
0 0 0
MAIN VIDEO SLOT I/F
0 0 0 MAIN VIDEO SLOT I/F
0 0 0 MAIN VIDEO SLOT I/F
0 0 0
0 0 0 VIDEO SLOT I/F
4
LED2
-
LED2
MAIN
-
-
MAIN
MAIN
-
-
MAIN
MAIN
-
-
-
MAIN
-
-
-
MAIN
-
-
-
MAIN
-
-
MAIN
MAIN
-
-
MAIN
MAIN
-
-
-
MAIN
-
-
-
MAIN
-
-
-
-
MAIN
-
-
MAIN