Minolta Di450 Service Manual page 287

Symbol Part Name
INV Inverter Board
PWB-A Master Board
PWB-B Image Processing
Board
PWB-C Power Supply
Board
PWB-G AIDC Sensor
Board
PWB-I1 Paper Size
Detecting Board 1
PWB-I2 Paper Size
Detecting Board 2
PWB-IC SCP Board
PWB-M Memory Board
PWB-R HDD Power Sup-
ply Board
PWB-S Tech. Rep. Setting
Switches Board
UN1 Control Panel
UN2 ATDC Sensor
PU1 DC Power Supply
Main
PU2 DC Power Supply
Sub
HV1 PC Drum Charge/
Developing Bias
HV
NOTE
PWB-M and PWB-R: optional on the 45-cpm copier, standard on the 55-cpm copier.
Removal Procedure
Remove the Scanner.
remove two screws and the Inverter Board Mounting
Bracket Assy. INV
Remove the Right Cover.
Remove three screws and the Cover.
screws and the Cover.
D-7
Remove the Right Cover.
Remove six screws and the Board Cover.
D-47
Remove four screws and the PC Drum Charge/Developing
Bias HV Mountaing Bracket Assy.
and the Board Cover.
Remove the Rear Upper Cover.
Remove the Original Glass.
IR Base Plate Left Cover.
Remove the Rear Cover.
Remove three screws and the HDD Mounting Bracket Assy.
PWB-R
Swing down the Front Door.
Remove four screws and the Cover.
Remove the Control Panel Unit.
D-47
Remove the Rear Cover.
Board Cover. PU1
Remove the Rear Cover.
Remove three screws and the DC Power Supply Sub
Mounting Bracket Assy.
Remove the Rear Cover.
Board Cover. Remove ten screws and the DC Power
Supply Main Mounting Bracket Assy.
D-6
Unplug two connectors and
Remove the Rear Cover.
Remove four
PWB-A
Remove the Rear Cover.
PWB-C
Remove two screws
PWB-I
PWB-IC
Remove four screws and the
PWB-M
Remove the Left Cover.
Remove the Left Cover.
PWB-S
UN1
Remove six screws and the
Remove the Left Cover.
PU2
Remove six screws and the
HV1