User's Manual

9-10
9.2 Trouble Shooting
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Table 9-13 Circuit Block to be Repaired (JPL-600-2ER2-7/9/6HS)
Location Circuit Block Type Remarks
Scanner unit Motor 7BDRD0044A DC brushless motor (normal speed)
Scanner unit Motor 7BDRD0045A DC brushless motor (high speed)
Scanner unit Motor control power circuit CBD-1875
Scanner unit Encoder CHT-76
Scanner unit Heater control part CHG-216 Option (AC100V)
Scanner unit Brake circuit CFA-257
Scanner unit Fan 7BFRD0002
Scanner unit Performance Monitor NJU-82A
Scanner unit Modulator unit NMA-544A-1
Including CPA-261A
Including CNM-253A
Including CFR-229
Excluding Magnetron
Scanner unit Modulator circuit CPA-261A
Scanner unit Receiver unit NRG-230A Including CMA-888A
Scanner unit T/R control circuit CMC-1322A
Scanner unit Power supply circuit CBD-1814A
Process unit Radar process circuit CDC-1287
Process unit ARPA process circuit NCA-891
Process unit ATA process circuit NCA-895A
Process unit AIS process circuit NQA-2236
Process unit GYRO interface circuit CMJ-509
Process unit Terminal board CQD-2056
Process unit I/F circuit NQA-2123
Process unit Power supply circuit NBD-891
Process unit Fan 7BFRD0005
Operation unit Operation circuit CCK-946
Operation unit Interface circuit CQC-1179
Operation unit Trackball CCK-1000
LCD Monitor Bezel kit MPBC43590 for radar
LCD Monitor Brower circuit CBP-189
LCD Monitor Interface circuit CMH-2136
LCD Monitor Inverter circuit CBF-36
LCD Monitor Brilliance control circuit CCK-945
LCD Monitor LCD Panel CML-771