Trouble Shooting - JRC JMA-610 Series Instruction Manual

7.2

TROUBLE SHOOTING

As this radar equipment includes complicated circuits, it is necessary to request a specialist engineer for repair
or instructions for remedy if any circuit is defective.
There are also troubles by the following causes, which should be referred to in checking or repair work.
1 Poor Contact in Terminal Board of Inter-Unit Cables
a) Poor contact in terminal board
b) The cable end is not fully connected, that it, contacted with earthed another terminal.
c) Disconnected cable wire
2 Poor Contact of Connector within Unit
Reference: This radar equipment is provided with standard spares which include two kinds of fuses. Refer
to table 7-4.
Name Type/Code
ST4-5AN1
Fuse
(5ZFCA00050)
ST6-8AN1
Fuse
(5ZFCA00052)
Parts No. Name
V101 Magnetron
A101 Circulator
A102 Diode Limiter
Table 7-4 Spare Fuses ( for NCM-883)
Shape (mm)
6.35
31.8
6.35
31.8
Table 7-5 Special Parts ( for NKE-316 )
Type Manufacturer
MAF1562R New JRC
Orient
FCX68R
Microwave
NJS6930 New JRC
7-5
7.2 TROUBLE SHOOTING
In use Spare Parts No.
1 3 F401
1 3 F402
Location
Scanner
Scanner
Scanner
Location
Inside processing
unit
Inside processing
unit
Code
5VMAA00116
5AJIX00027
5ATBT00006
7