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
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