Appendix F. Power Supply Unit - Toshiba e-STUDIO160 Service Handbook

Appendix F. Power Supply Unit

1. Outline
The power supply unit provides AC and DC power for each part of this machine. The unit is made up of
the following circuits.
ASD/AUD/CND/SAD models
Power supply unit
Scanner
FUS PWA
dump heater
20A/125V
( NAD/SAD models )
10A/250V
( ASD/AUD/CND/MJD models )
Entrance
FG
Stapler
( Option )
Fuser
Fuser thermostat 1
Fuser thermostat 2
Heater lamp 1
Heater lamp 2
ASD/AUD/CND/MJD models
e-STUDIO160/200/250 APPENDIX
Main switch
CN4
HL
1
HN
3
10A/125V
( NAD/SAD models )
5A/250V
( ASD/AUD/CND/MJD models )
F1 F2
1 AC/I/L
Noise
filter
AC/I/N
2
AC/O/L
4
AC/O/N
3
Heater lamp drive circuit
HL
1
HN1
2 Heater lamp
control circuit 1
HN1
2 Heater lamp
control circuit 2
DC output circuit
Noise
~
filter
- +
Switching
reguretor
4A/125V ( NAD/SAD models )
circuit
~
4A/250V ( ASD/AUD/CND/MJD models )
Switching
regurator
circuit
Fig. F-1
A - 8
Interlock switch
( Side cover )
C/O-IN
1
C/O-OU 2
24VSW
9
+24V
7
4A/125V ( NAD/SAD models )
4A/250V ( ASD/AUD/CND/MJD models )
F4
24VFU2
17
F3
24VFU1 20
DP2000/2500 series
PWS
12
12V
5
Relay PWA
-12V
6
5VPS
4
5V
3
3.3V
2
SG 10,13,14,15
AG
16
PG 8,18,19
HT1ON
1
HT2ON
11
December 2002 TOSHIBA TEC
Interlock switch
( Front cover )
15-01-02