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7.2 TROUBLE SHOOTING
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7-5
7
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.
Table 7-4 Spare Fuses ( for NCM-883)
Name
Type/Code
Shape (mm)
In use
Spare
Parts No.
Location
Fuse
ST4-5AN1
(5ZFCA00050)
1 3 F401
Inside processing
unit
Fuse
ST6-8AN1
(5ZFCA00052)
1 3 F402
Inside processing
unit
Table 7-5 Special Parts ( for NKE-316 )
Parts No.
Name
Type
Manufacturer
Location
Code
V101 Magnetron
MAF1562R
New
JRC Scanner
5VMAA00116
A101 Circulator
FCX68R
Orient
Microwave
Scanner 5AJIX00027
A102
Diode Limiter
NJS6930
New JRC
Scanner
5ATBT00006
31.8
Ǟ
6.35
31.8
Ǟ
6.35
Содержание JMA-610 Series
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Страница 29: ...1 5 1 1 4 EXTERIOR DRAWINGS y Fig 1 1 Exterior Drawing of Scanner Unit Type NKE 316 Unit mm...
Страница 30: ...1 6 Fig 1 2 Exterior Drawing of Processing Unit Type NDC 1486 Unit mm...
Страница 31: ...1 7 1 1 4 EXTERIOR DRAWINGS y Fig 1 3 Exterior Drawing of Operating Unit Type NCE 7882A Unit mm...
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Страница 131: ...SECTION 7 TROUBLE SHOOTING 7 1 FAULT FINDING 7 3 7 2 TROUBLE SHOOTING 7 5 7 3 REPLACEMENT OF MAJOR PARTS 7 7...
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Страница 143: ...SECTION 8 AFTER SALES SERVICE When you Request for Repair Recommended Maintenance Radar Failure Check List...
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Страница 147: ...SECTION 9 DISPOSAL 9 1 DISPOSAL OF THE UNIT 9 1 9 2 DISPOSAL OF USED BATTERIES 9 2 9 3 DISPOSAL OF USED MAGNETRON 9 3...
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Страница 165: ...APPENDIX Fig 1 Block Diagram of JMA 610...
Страница 168: ...Fig 4 Internal Connection Diagram of Scanner Unit NKE 316...
Страница 169: ...APPENDIX Fig 5 Internal Connection Diagram of Control Unit NCM 883...
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