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.
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