M+3.3V
(PW Connector 4pin)
POWER
(PM Connector 3pin)
SW7(PM Connector
6pin) (S2601)
M+7V
(PM Connector 1pin)
S2601
T4
T5
AC
Input
PowerF
actor
Circuit
Rectifier
Circuit
Input
Filter
A+12V
T1
Sequence
circuit
S+12V
D+5V
T2
VS
T3
Vd
A+6V
D+2.5V
D+3.3V
GND
M+7V
M+3.3V
POWER
AC IN
(AC Connector 1, 2pin)
POMUTE
(PM Connector 5pin)
D+5V
(PH Connector 1,2pin)
* PX-61XM2 Series only
(PD Connector 4pin, PH Connector 7pin)
A+12V
(PV Connector 1pin)
S+12V
(PA Connector 1~3pin)
A+6V (PV Connector
3,4pin) VDD+5V
(TM Connector 3pin)
D+2.5V
(PN Connector 7~9pin)
D+3.3V
(PN Connector 1~3pin)
Vs
(PD Connector 9,10pin)
* PX-61XM2 Series only
(PD Connector 9, 10pin, PH Connector 1, 2pin)
Vd
(PD Connector 6, 7pin)
* PX-61XM2 Series only
(PD Connector 7pin, PH Connector 4pin)
ALARM
(PD Connector 1pin)
(Caution2)
PX-42VP4 Series Vs=170V, Vd=60V
PX-42XM2 Series Vs=190V, Vd=65V
PX-50XM3 Series Vs=195V, Vd=64V
PX-61XM2 Series Vs=175V, Vd=65V
PX-42VP4 Series T4
PX-42XM2 Series T4
PX-50XM3 Series T4/5
PX-61XM2 Series T4/5
(Caution 1)
(Caution 2)
The standard voltages of Vd
a n d V s f o r e a c h m o d e l a r e s p e c i f i e d
below. These values can, however, differ
according to the PDP specifications.
Power supply
When the power cord is connected to a wall outlet, M+7V (7Vdc) begins to be fed to IC9503 (M+3.3V) from
Pin 1 of the PM connector. When the main power switch (S2601) is turned on, IC9503 is turned on by
means of SW7 (M+7V) and M+3.3V (3.3Vdc) is fed to the CPU (IC9501). With the power supply of M+3.3V,
the CPU feeds the POWER signal [H] to the power unit from Pin
3
of the PM connector. As a result,
power supplies of the signal system (D+5V, D+3.3V, D+2.5V, A+12V, A+6V, S+12V) are turned on so that
power can be fed to the respective circuits of the signal system. After the power has been fed to the signal
system, the power supplies for the high-voltage system [Vs, Vd
(Caution 1)
] are generated and fed to
the PDP (plasma display panel).
(Common to all models)
CONFIDENTIAL
14-1
CIRCUIT DESCRIPTION
Содержание PX-50XM4
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