NEC PX-50XM4 series Service Manual page 400

Name Pin No. Pin name Function
5 GND GND
6 GND GND
PD 1 ALARM PDP alarm signal
2 D.GND GND
3 D.GND GND
4 D.GND GND
5 D.GND GND
6 D+60 Vd power supply
for PDP
7 D+60 digital circuits
8 NC digital circuits
9 D+170 Vs power supply
for PDP high-
voltage circuits
10 D+170 Vs power supply
for PDP high-
voltage circuits
1 ALARM PDP alarm signal
2 D.GND GND
3 D.GND GND
4 D+5 5V power supply
for digital circuits
5 D.GND GND
6 D.GND GND
7 D+65 Vd power supply
for PDP
8 NC digital circuits
9 D+175 Vs power supply
for PDP high-
voltage circuits
10 D+175 Vs power supply
for PDP high-
voltage circuits
PH 1 D+5 5V power supply
for digital circuits
2 D+5 5V power supply
for digital circuits
3 D.GND GND
4 D.GND GND
1 D+175 Vs power supply
for PDP high-
voltage circuits
2 D+175 Vs power supply
for PDP high-
voltage circuits
3 NC Non-connection
4 D+65 Vd power supply
for PDP
5 D.GND digital circuits
6 D.GND GND
7 D+5 5V power supply
for digital circuits
8 D.GND GND
9 D.GND GND
Basic operation (Numerical unit: Vdc; except for the case when units are individually indicated)
Main power ON
AC power ON
(POWER button ON)
(Power cord
connected to
the wall outlet)
No signal With signal
★★
0 0
0 0
42VM5 0 5Vdc when the 5Vdc when the
42VP5 PDP is normal; PDP is normal;
42VR5 0V when it is 0V when it is
42XM3 abnormal. abnormal.
42XR3
0 0
50XM4
0 0
50XR4
0 0
0 0
0 60Vdc 60Vdc
(changeable (changeable
according to according to
the PDP) the PDP)
0 60Vdc 60Vdc
(changeable (changeable
according to according to
the PDP) the PDP)
- -
0 170Vdc 170Vdc
(changeable (changeable
according to according to
the PDP) the PDP)
0 170Vdc 170Vdc
(changeable (changeable
according to according to
the PDP) the PDP)
61XM3 0 5Vdc when the 5Vdc when the
61XR3 PDP is normal; PDP is normal;
0V when it is 0V when it is
abnormal. abnormal.
0 0
0 0
0 5.15
0 0
0 0
0 65Vdc 65Vdc
(changeable (changeable
according to according to
the PDP) the PDP)
- -
0 175Vdc 175Vdc
(changeable (changeable
according to according to
the PDP) the PDP)
0 175Vdc 175Vdc
(changeable (changeable
according to according to
the PDP) the PDP)
42VM5 0 5.15
42VP5
0 5.15
42VR5
42XM3
0 0
42XR3
0 0
50XM4
50XR4
61XM3 0 175Vdc 175Vdc
61XR3 (changeable (changeable
according to according to
the PDP) the PDP)
0 175Vdc 175Vdc
(changeable (changeable
according to according to
the PDP) the PDP)
- -
0 65Vdc 65Vdc
(changeable (changeable
according to according to
the PDP) the PDP)
0 0
0 0
0 5.15
0 0
0 0
11-6
★
Power Main power
Standby
management OFF
★★★
★★ ★★
0 0 0
0 0 0
0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0
0 0
- - -
0 0
0 0
0 0
0 0 0
0 0 0
5.15 0 0
0 0 0
0 0 0
0 0
- - -
0 0
0 0
5.15 0 0
5.15 0 0
0 0 0
0 0 0
0 0
0 0
- - -
0 0
0 0 0
0 0 0
5.15 0 0
0 0 0
0 0 0
CONFIDENTIAL
AC power OFF
(Power cord
Signal direction
pulled out of
the wall outlet)
★★
0 -
-
0 -
-
0 -
PDP→POWER
0 -
-
0 - -
0 -
-
0 -
-
0 -
PDWER→PDP
0 -
PDWER→PDP
- - -
0
PDWER→PDP
-
0 -
PDWER→PDP
0 -
PDP→POWER
0 -
-
0 - -
0
POWER→PDP
-
0 -
-
0 - -
0 -
POWER→PDP
- -
-
0
POWER→PDP
-
0 -
POWER→PDP
0
PDWER→PDP
-
0
PDWER→PDP
-
0 - -
0 -
-
0
POWER→PDP
-
0
POWER→PDP
-
-
- -
0
POWER→PDP
-
-
0 -
-
0 -
0
POWER→PDP
-
0 - -
-
0 -