Minolta Di450 Service Manual page 25

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 both the 45-cpm copier and 55-cpm copier.
Removal Procedure
Remove the Scanner. ¡ Unplug two connectors and
remove two screws and the Inverter Board Mounting
Bracket Assy. ¡ INV
Remove the Right Cover. ¡ Remove the Rear Cover. ¡
Remove three screws and the Cover. ¡ Remove four
screws and the Cover. ¡ PWB-A
D-7
Remove the Right Cover. ¡ Remove the Rear Cover. ¡
Remove six screws and the Board Cover. ¡ PWB-C
D-41
Remove four screws and the PC Drum Charge/Developing
Bias HV Mountaing Bracket Assy. ¡ Remove two screws
and the Board Cover. ¡ PWB-I
Remove the Rear Upper Cover. ¡ PWB-IC
Remove the Original Glass. ¡ Remove four screws and the
IR Base Plate Left Cover. ¡ PWB-M
Remove the Rear Cover. ¡ Remove the Left Cover. ¡
Remove three screws and the HDD Mounting Bracket Assy.
¡ PWB-R
Swing down the Front Door. ¡ Remove the Left Cover. ¡
Remove four screws and the Cover. ¡ PWB-S
Remove the Control Panel Unit. ¡ UN1
D-41
Remove the Rear Cover. ¡ Remove six screws and the
Board Cover. ¡ PU1
Remove the Rear Cover. ¡ Remove the Left Cover. ¡
Remove three screws and the DC Power Supply Sub
Mounting Bracket Assy. ¡ PU2
Remove the Rear Cover. ¡ Remove six screws and the
Board Cover. ¡ Remove ten screws and the DC Power
Supply Main Mounting Bracket Assy. ¡ HV1
D-6