7-6
Table 7-6 Circuit Block to be Repaired ( for JMA-610 ) 
Location  Circuit Block  Type  Remarks 
Scanner  Motor and driver  CBP-217  DC brush less motor 
Scanner Modulator CPA-276 Excluding Magnetron
Scanner  Receiver  NRG-237  Including Front-end module 
Scanner Power supply circuit  CBD-1783
Scanner Break circuit CFA-265 
Only resistance(10ohm/30W) with 
cable 
Scanner Filter circuit CFR-193R
Scanner  Encoder  CHT-81  Encoder maker is Sumtak 
Scanner  Terminal board circuit  CQD-2186 
Processor Radar processing circuit  CDC-1371
Processor 
Terminal board circuit 
CQD-2185
Processor 
Power circuit 
CBD-1655A
Processor DC-DC convertor    CBD-1701  For Alpha-screen
Operation panel unit  Operation circuit  CCK-892A 
Operation panel unit  Track ball  CHG-198