Konica Minolta 0902, Service Manual

Page: 235 / 302

Chapter 5 Disassembly and Assembly
5-115
5.10 Replacing the Parts on the Framework
5.10.1 Replacing the CIU
This section describes the instructions on how to replace the CIU.
Work outline
Listed below are the number of people and the rough standard of work hours required for performing the
works described in this section.
Requirements
The works in this section can be performed using only the standard tools.
1
See " Removal Procedures (Page 5-6)" of the "5.2.3 Removing/Installing the Exterior Panel
and Insertion Unit" , and remove the first font back panel.
2
Remove the circuit board cover.
•
3 screws (M3 x 6)
Loosen all.
3
Unplug all the cables connected to the CIU.
4
Remove the CIU.
•
4 hex/Phillips-head screws (M3 x 6)
5
Remove the CF card to install it on the new CIU.
6
Install the new CIU.
•
4 hex/Phillips-head screws (M3 x 6)
7
Connect the cables removed in Step 3 to the CIU.
•
CN1 (CCN1: cable)
•
CN5 (CCN5: cable)
•
CN11 (OCN11: cable)
•
CN13 (CCN13: cable)
Caution
•
Be sure to turn off the power supply circuit breaker and unplug the power cable from the
equipment whenever you disassemble/assemble the equipment.
•
See "5.2.7 Binding the Grounding Strap (Page 5-18)" to bind a grounding strap in order to
protect the circuit board from damage due to static discharge.
Personnel
Number
Work Hours (steps 2 to 8)
1
First Front Back Side
CN13
CN5
CF
Card
CN1 CN11
First Front Back Side
Caution
When removing the connector, hold a notch
on the connector without pulling a cable.
Giving a strong pull to the cable may cause
it to be broken.