9ņ13 
Table 9-14    Circuit Block to be Repaired (JMA-5222-7/9) 
Location  Circuit Block  Type  Remarks 
Scanner  Motor with gear 
7BDRD0044
㸨
 
DC brushless motor (ordinary 
speed) 
Scanner  Modulator  NMA-550 
Including CPA-264 
Including CMB-404 
Excluding Magnetron 
Scanner  Receiver  NRG-162A  Including CMA-866A 
Scanner  Modulation circuit  CPA-264   
Scanner  Power supply circuit  CBD-1682A   
Scanner  T/R control circuit  CMC-1205R   
Scanner  Motor control circuit  CBD-1779   
Scanner  Heater control circuit  CHG-216  Optional (AC100V) 
Scanner  Encoder  CHT71A   
Scanner  Fan 
7BFRD0002
㸨
 
 
Scanner  Performance monitor  NJU-85   
Processor  Radar processing circuit  CDC-1350   
Processor  DSP circuit (TT)  NCA-877A   
Processor  Power supply terminal circuit unit  NBD-866A   
Processor  AIS processing circuit  NQA-2155   
Operation panel unit  Operation circuit  CCK-979   
Operation panel unit  PS2 connector circuit  CQC-1204   
Display  Brilliance control circuit  CCK-970  Brilliance controller 
NSK unit  Gyro IF circuit  CMJ-304E   
"*" means revision, such as A, B and so on.