3.2.
Exploded Diagrams................................................................................................................ 3-4
3.2.1.
NKE-2103 ....................................................................................................................... 3-4
3.2.2.
NKE-2254 ....................................................................................................................... 3-8
3.2.3.
NDC-1460 ..................................................................................................................... 3-12
3.2.4.
NCE-7699A................................................................................................................... 3-16
Chapter 4
_
Replacement of Major Units
4.1.
Scanner Unit .......................................................................................................................... 4-1
4.1.1.
Precautions for replacing parts in the scanner unit ......................................................... 4-1
4.1.2.
Parts Replacement for the Scanner Unit NKE-2254 ....................................................... 4-2
4.1.3.
Magnetron replacement / NKE-2254............................................................................... 4-3
4.1.4.
Motor replacement / NKE-2254....................................................................................... 4-5
4.1.5.
Motor drive circuit board replacement / NKE-2254 ......................................................... 4-7
4.1.6.
Modulator circuit (CPA-264) replacement / NKE-2254 .................................................... 4-8
4.1.7.
Power supply circuit board (CBD-1682A) replacement / NKE-2254 ............................. 4-10
4.1.8.
T/R control circuit (CMC-1205R) replacement / NKE-2254............................................4-11
4.1.9.
Receiver (NRG-162A) replacement / NKE-2254........................................................... 4-13
4.1.10.
Encoder replacement / NKE-2254 ................................................................................ 4-15
4.1.11.
Magnetron fan replacement / NKE-2254....................................................................... 4-17
4.1.12.
Modulator fan replacement / NKE-2254 ........................................................................ 4-18
4.1.13.
NKE-2103 scanner unit parts replacement ................................................................... 4-21
4.1.14.
Magnetron Replacement for the NKE-2103 .................................................................. 4-22
4.1.15.
Motor Replacement for the NKE-2103 .......................................................................... 4-24
4.1.16.
Motor Control Power Circuit Replacement for the NKE-2103 ....................................... 4-25
4.1.17.
Modulation Circuit (CME-363) Replacement for the NKE-2103 .................................... 4-26
4.1.18.
Power Circuit (CBD-1783) Replacement for the NKE-2103 .......................................... 4-27
4.1.19.
Receiver (NRG-610) Replacement for the NKE-2103................................................... 4-28
4.1.20.
Encoder Replacement for the NKE-2103 ...................................................................... 4-30
4.2.
Display System .................................................................................................................... 4-32
4.2.1.
Brilliance Control Circuit CCK-970 ................................................................................ 4-32
4.2.2.
Power Supply Unit NBD-866A ...................................................................................... 4-34
4.2.3.
Radar Processing Circuit CDC-1350 ............................................................................ 4-36
4.2.4.
Battery .......................................................................................................................... 4-38
4.2.5.
Target Tracking (TT) Unit NCA-877A ............................................................................ 4-40
4.2.6.
AIS Processing Circuit NQA-2155 ................................................................................ 4-41
4.2.7.
GYRO I/F Circuit CMJ-304E ......................................................................................... 4-43
4.2.8.
GYRO I/F Circuit Fuses ................................................................................................ 4-45
Summary of Contents for JMA-5212-4
Page 2: ......
Page 7: ...Chapter 1 Equipment Overview...
Page 8: ......
Page 11: ...Chapter 2 Equipment Overview...
Page 12: ......
