Toshiba e-studio 167 - Configuration of Power Supply Unit

15
© 2007 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO167/207/237
POWER SUPPLY UNIT
15 - 5
15.5 Configuration of Power Supply Unit
Fig. 15-1
PWRDWN-1 PWRSV-1A MAIN board
MAIN board
+5VB +5V +24V
-12V
MAIN board, FUS board Control panel (via MAIN board)
+5V MAIN board
MAIN board MAIN board MAIN board, PFU (via MAIN board) MAIN board
+24VCOV-OFF +24V
Regulator
F201
RADF/ADF (via MAIN board)+24VDF
F101
125V-15A
200V-8A
125V-4A / 200V-4A
125V-4A / 200V-4A
125V-6.3A
200V-4A
HTON1B HTON2B
MAIN board
HTRRLYOFF-0
MAIN boardHigh-voltage
control signals
F203
Side heater lamp
control circuit
(TRC2)
High-voltage output circuit
OUT1
Needle electrode
bias
OUT2
Grid bias
OUT3
Developer bias
OUT4
Transfer bias
Relay
OUT5
Separation bias
OUT6
Transfer
guide bias
Center heater lamp
control circuit
(TRC1)
Main switch
ADU cover opening/closing interlock switch
Front cover opening/closing interlock switch
Fuser thermostat
Live
Neutral
Switching regulator
CN103
CN106
CN104
PFC board, ADU (via PFC board), PFP (via PFC board) PFC board, ADU (via PFC board), PFP (via PFC board)
CN112
-12V FAX unit +12V FAX unit
CN110 CN113 CN105CN108
CN107
Noise
filter
Center heater lamp
Side heater lamp
FUS board
Damp heater
Noise
filter
F102