Chapter 5 Disassembly and Assembly
5-78
5.6
Replacing the Parts on the Optical Unit
5.6.1 Replacing the LMD
This section describes the instructions on how to replace the LMD.
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
Removal Procedures (Page 5-6)"
of the
"5.2.3 Removing/Installing the Exterior Panel
, and remove the second font back panel.
2
Move the optical unit to the second front back
side and fix it using the simple fixing lock.
Push the blue fixing shaft lever to lower the fixing shaft
and have the unit locked.
3
Unplug all the cables connected to the LMD.
Each connector may have been fixed very tightly.
4
Remove the LMD.
•
4 screws (M3 x 6)
Be careful, when removing the LMD, so as not to
damage the connector in the backside that connects it
to the LMC.
5
Install the new LMD.
•
4 screws (M3 x 6)
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 7)
1
Fixing Shaft Lever
Second Front
Back Side
CN2
LMC
LMD
Second 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.
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