JRC JMR-92 Series Field Service Manual page 345

4.1.3.9 T/R Control Circuit (CMC-1205R) Replacement/NKE-1125
[Required Tools]
The tools shown in the following table are required for replacement work.
No Name
1 Phillips screwdriver
2 Open-end wrench*1
3 Socket wrench*1
*1 Either the wrench (adjustable wrench) or socket wrench is mandatory. (mounting/removing
the cover, etc.)
Before beginning work, turn Off the safety switch of the Scanner unit.
Before conducting replacement work, turn Off the circuit breaker for the power supply of the
display unit.
Exercise care not to lose bolts, screws and other parts removed from the Scanner unit, as they
will be used again in later steps.
Step 1 Back up the scanner unit data.
Before beginning the replacement procedure, open the service engineer menu of the radar
display unit and back up the scanner unit data (transmission time and motor rotation time).
If you do not back up this data, it will not be possible to maintain continuity in scanner data
such as the magnetron usage time
Table Required Tools
Size
Size #2, Size #3
Width across flats
13 mm (for M8 screws)
Width across flats
13 mm (for M8 screws)
4-125
Appearance
Chapter 4 Replacement procedure