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8 – 9
8.2
Table 8.2 (Continued)
No.
Failure status
Probable cause
8
a. Monitor failure or adjustment error.
b. The horizontal (HS) or vertical (VS) synchronous signal is fused.
c. CPU control circuit PCB (PC4401) failure.
9
a. The marker brilliance is adjusted to the lowest.
(See section “3.2 Preparation”)
b. CPU control circuit PCB (PC4401) failure.
10
a. Low ship's power.
b. CPU control circuit PCB (PC4401) failure.
c. Power (PC5101) failure.
11
a. CPU control circuit PCB (PC4401) failure.
12
a. CPU control circuit PCB (PC4401) failure.
b. Time base circuit PCB (PC4402) failure.
c. Low video brilliance.
13
a. "SYNC" or "STEP" is not properly set on the NSK (PC4201).
14
a. FAN failure. (B1)
CAUTION
In case of fan failure, radar unit will fail.
If fan failure occures, turn off the power at once, you should change the fan.
Table 8.3 List of Fuses in Use
Location
Parts No.
Rated
Protection circuit
Type
current
Inner
F5001 to F5002
10A AC100V
MF60NR-10A
Inner
F5001 to F5002
5A AC220V
MF60NR-5A
Inner
F5003 to F5004
7A Time lag
MF61-TS7
Display unit
Inner
F5005
0.5A
MF60NR-0.5A
Power supply F1,F3,F5
3.15A
MF51NN-3.15A
Power supply F2
10A
MF51NN-10A
Power supply F4
0.5A
MF51NN-0.5A
NSK
F1 to F4
0.5A PC4201
MF51NN-0.5A
Distorted display
No display appears even
after pressing the fixed or
variable range marker,
electronic cursor or panel
lighting key.
The screen returns to the
default during operation.
No alarm occurs.
Radar tracking does not
function.
The NUP or CUP display
cannot be selected.
"FAN" appears on the
lower of the screen.
Содержание JMA-7710-6
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Страница 20: ...XVIII ...
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Страница 30: ...1 7 1 4 Fig 1 2 Outline Drawing of Scanner Unit Type NKE 1056 6M MASS APPROX 41 O UNIT mm ...
Страница 31: ...1 1 8 1 4 Fig 1 3 Outline Drawing of Scanner Unit Type NKE 1056 9M MASS APPROX 47 O UNIT mm ...
Страница 32: ...1 9 1 4 Fig 1 4 Outline Drawing of Display Unit Type NCD 3901 2 MASS APPROX 63 O UNIT mm hood CABLE INLET 25 8 ...
Страница 34: ...1 11 1 5 Fig 1 5 General System Drawing of Radar Type JMA 7710 6 ...
Страница 35: ...1 12 1 5 1 Fig 1 6 General System Drawing of Radar Type JMA 7725 6 ...
Страница 36: ...1 13 1 5 Fig 1 7 General System Drawing of Radar Type JMA 7725 9 ...
Страница 48: ...2 7 2 1 Screen Readouts 3 1 2 3 4 5 7 u i o y 1 0 q 2 t w e r 0 8 4 5 6 7 8 9 0 9 6 ...
Страница 50: ...2 9 2 1 Screen Readouts with ATA 3 1 2 3 4 5 7 u i o y 1 0 q 2 t w e r 8 4 5 6 7 8 9 0 9 6 ...
Страница 99: ...3 3 38 3 3 ...
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Страница 217: ...7 7 1 Routine Maintenance 7 1 7 2 Maintenance of Each Unit 7 2 MAINTENANCE ...
Страница 220: ...7 3 7 2 Safety switch Fig 7 1 NKE 1055 Scanner unit Rear Safety switch Fig 7 2 NKE 1056 Scanner unit Rear ...
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Страница 277: ...9 AFTER SALES SERVICE ...
Страница 280: ......
Страница 281: ...10 10 1 Equipment Disposal 10 1 10 2 Disposal of Used Batteries 10 2 10 3 Disposal of Used Magnetron 10 3 DISPOSAL ...
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Страница 298: ...Appendix 2 Circuit Diagram of Radar Type JMA 7710 6 and JMA 7725 6 9 ...
Страница 299: ...Appendix 3 Terminal Board Connection Diagram of Radar Type JMA 7710 6 ...
Страница 300: ...Appendix 4 Terminal Board Connection Diagram of Radar Type JMA 7725 6 9 ...
Страница 301: ...Appendix 5 Primary Power Supply System Diagram of Radar Type JMA 7710 6 and JMA 7725 6 9 ...
Страница 302: ...Appendix 6 Internal Connection Diagram of Scanner Unit Type NKE 1055 ...
Страница 303: ...Appendix 7 Internal Connection Diagram of Scanner Unit Type NKE 1056 ...
Страница 304: ...Appendix 8 Internal Connection Diagram of Display Unit Type NCD 3901 2 ...
Страница 306: ...I I I I I I I I I I I I Appendix 9 2 Power Supply Connection Diagram of Display Unit Type NCD 3901 2 CBD 1448 2 2 ...
Страница 308: ...Appendix 10 NSK Log Selection Switches of Display Unit Type NCD 3901 2 ...
Страница 309: ...Appendix 11 Setting Table of the Speed Log Select Switches of Display Unit Type NCD 3901 2 ...
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