– 19 –
VOLTAGE OF EACH CONNECTOR
• Voltage measurement in protect mode
Because the relay signal is “L” in the protect mode, voltages of Vcc, Vs, and Va are not output. The
protect mode is reset only when the power SW is turned off. Therefore, when measuring the voltage,
turn off the power SW, then turn on the power by remote control. Remeasure the power supply unit
protection operation.
• Relay signal
Voltages Vcc, Vs and Va are output only when the relay signal of “CN103-3” is “H”.
When the microcomputer detects an abnormal voltage, these voltages are not output.
• ACON signal
The ACON signal indicates whether or not AC is supplied. The relay signal is output when the ACON
signal is “H”.
CN103
Power supply unit
Ground
No.
NAME
SPEC.
1
Vpr
5V (4.8 to 5.2V)
w
7
Vcc 2
24V (23.7 to 24.3V)
w
1. Power Supply Unit
(PFW-422)
2. DC/DC Power PCB
CN49
Power supply unit
Ground
No.
NAME
SPEC.
1
Vcc 1
5V (4.8 to 5.2V)
w
3
Ve
15.52 to 16.48V
w
10
Vs
165.0 to 185.0V
w
CN50
Power supply unit
Ground
No.
NAME
SPEC.
1
Vw
164.9 to 175.1V
e
2
Va
64.35 to 65.65V
e
CN42
Power supply unit
Ground
No.
NAME
SPEC.
3
Vsc
116.4 to 123.6V
r
4
-Vy
-150 to -170V
q
6
Vcc 1
5V (4.8 to 5.2V)
q
P503
DC/DC Power PCB
Ground
No.
NAME
SPEC.
2
A 5V
5V (4.75 to 5.25V)
q
4
14 V
13.3 to 14.7V
q
5
Vpr
5V (4.8 to 5.2V)
q
8
D 5V
5V (4.75 to 5.25V)
q
9
D 3.3V
3.2 to 3.4V
q
10
A-5V
-5.25 to -4.75V
q
Содержание Plasmavision PDS4208W-B
Страница 1: ...PDS4208W B PDS4208E B PDS4209U B Copy Prohibited FUJITSU GENERAL Proprietar y ...
Страница 50: ...MEMO ...
Страница 51: ...August 2000 Printed in Japan 0008J1728 ...
