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4-13
[Operation check]
After having completed the replacement, follow the procedure below to check the
operation.
(1) Turn on the radar, open the service engineer menu, restore the scanner unit times,
and make sure that the data has been correctly continued before/after the T/R
control circuit board replacement (check the transmission time and the motor rotation
time).
(2)
Begin transmission once the countdown is complete and check that the radar
image is correctly displayed.
4.1.9. Receiver (NRG-162A) replacement / NKE-2254
[Required tools]
• A Phillips screwdriver for 4 mm screws
• A Phillips screwdriver for 5 mm screws
• Tools for removing the scanner unit covers (See Section 4.1.2)
(1) Remove the cover on the right (starboard)
side (see Section 4.1.2), remove the cables
connected to the transmitter-receiver unit
and the screws (three M5 screws) holding
the transmitter-receiver unit in place, and
remove the transmitter-receiver unit.
Remove the five
cables.
Remove the three
screws.
Содержание JMA-5212-4
Страница 2: ......
Страница 7: ... Chapter 1 Equipment Overview ...
Страница 8: ... ...
Страница 11: ... Chapter 2 Equipment Overview ...
Страница 12: ... ...
Страница 34: ...2 22 ...
Страница 35: ... Chapter 3 Service Parts ...
Страница 36: ... ...
Страница 43: ...3 7 Figure 3 1 Exploded Diagram of the NKE 2103 ...
Страница 47: ...3 11 Figure 3 2 Exploded Diagram of the NKE 2254 ...
Страница 51: ...3 15 Figure 3 3 Exploded Diagram of the NDC 1460 Fuse nut Connector nut Connector nut ...
Страница 53: ...3 17 Figure 3 4 Exploded Diagram of the NCE 7699A ...
Страница 54: ...3 18 ...
Страница 55: ... Chapter 4 Replacement of Major Units ...
Страница 56: ... ...
Страница 108: ...4 52 ...
Страница 109: ... Chapter 5 Program Update ...
Страница 110: ... ...
Страница 114: ...5 4 ...
Страница 115: ... Chapter 6 Troubleshooting ...
Страница 116: ... ...
Страница 150: ...6 34 ...
Страница 151: ... Chapter 7 Drawings ...
Страница 152: ... ...
Страница 154: ...7 2 7 1 1 Outline Drawing of the Scanner Unit NKE 2254 7 Figure 7 1 Outline Drawing of the Scanner Unit NKE 2254 7 ...
Страница 155: ...7 3 7 1 2 Outline Drawing of the Scanner Unit NKE 2254 9 Figure 7 2 Outline Drawing of the Scanner Unit NKE 2254 9 ...
Страница 158: ...7 6 7 1 5 Outline Drawing of the Display System NDC 1460 Figure 7 5 Outline Drawing of the Display System NDC 1460 ...
Страница 162: ...7 10 7 1 9 Outline Drawing of the Rectifier NBA 5111 Option Figure 7 9 Outline Drawing of the Rectifier NBA 5111 Option ...
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