Minolta DI450, Service Manual, Page: 25 / 271

D-6
NOTE
PWB-M and PWB-R: optional on both the 45-cpm copier and 55-cpm copier.
Symbol Part Name Removal Procedure
INV Inverter Board Remove the Scanner.
→
Unplug two connectors and
remove two screws and the Inverter Board Mounting
Bracket Assy.
→
INV
PWB-A Master Board Remove the Right Cover.
→
Remove the Rear Cover.
→
Remove three screws and the Cover.
→
Remove four
screws and the Cover.
→
PWB-A
PWB-B Image Processing
Board
☞
D-7
PWB-C Power Supply
Board Remove the Right Cover.
→
Remove the Rear Cover.
→
Remove six screws and the Board Cover.
→
PWB-C
PWB-G AIDC Sensor
Board
☞
D-41
PWB-I1 Paper Size
Detecting Board 1 Remove four screws and the PC Drum Charge/Developing
Bias HV Mountaing Bracket Assy.
→
Remove two screws
and the Board Cover.
→
PWB-I
PWB-I2 Paper Size
Detecting Board 2
PWB-IC SCP Board Remove the Rear Upper Cover.
→
PWB-IC
PWB-M Memory Board Remove the Original Glass.
→
Remove four screws and the
IR Base Plate Left Cover.
→
PWB-M
PWB-R HDD Power Sup-
ply Board Remove the Rear Cover.
→
Remove the Left Cover.
→
Remove three screws and the HDD Mounting Bracket Assy.
→
PWB-R
PWB-S Tech. Rep. Setting
Switches Board Swing down the Front Door.
→
Remove the Left Cover.
→
Remove four screws and the Cover.
→
PWB-S
UN1 Control Panel Remove the Control Panel Unit.
→
UN1
UN2 ATDC Sensor
☞
D-41
PU1 DC Power Supply
Main Remove the Rear Cover.
→
Remove six screws and the
Board Cover.
→
PU1
PU2 DC Power Supply
Sub Remove the Rear Cover.
→
Remove the Left Cover.
→
Remove three screws and the DC Power Supply Sub
Mounting Bracket Assy.
→
PU2
HV1 PC Drum Charge/
Developing Bias
HV Remove the Rear Cover.
→
Remove six screws and the
Board Cover.
→
Remove ten screws and the DC Power
Supply Main Mounting Bracket Assy.
→
HV1