JRC JMR-92 Series Field Service Manual page 628

4.3.5.5 Replacing the Operation Circuit SW: CCK-1069
[Required Tools]
The tools shown in the following table are required for replacement work.
No. Name
1 Phillips screwdriver
2 Diagonal pliers
3 Cable-tie *1
*1 A number of cable-ties may be required.
Before conducting replacement work, turn OFF the circuit breaker for the power supply of the
display unit.
Do not lose the screws as they will be needed again.
To prevent damage to the Unit during the replacement work, cut off cable-ties that fasten the
cable of the unit beforehand.
Step 1 Remove the TOPU.
Remove the screws (M4: 2 locations) inside the two screw covers at the bottom right and left of
the trackball, and take out the TOPU from the mounting frame. For details, please refer to the
"Replacing the TOPU: NCE-5605."
Table Required Tools
Size
Size #2
－
－
4-407
Appearance
Chapter 4 Replacement procedure