JRC JMR-92 Series Field Service Manual page 622

Step 2 Remove the front panel of the TOPU.
Remove the screws (M3: 6 locations) on the rear of the TOPU and take out the front panel. Pull
out the three connectors from the operation circuit A (CCK-1050) and then remove the front panel.
W65: J611 and J618
W66: J612
Remove
J612
J618
CCK-1050
J611
4-401
Remove
Chapter 4 Replacement procedure