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9.2  Trouble Shooting
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9.2.2    Circuit Block to be Repaired 
Table 9-12 Circuit Block to be Repaired (JMA-922B-6XA/9XA) 
Location Circuit Block Type  Remarks 
Scanner unit  Geared Motor  MDBW10822* 
For 100/220 V AC 
“*” means revision, such as A, B and so on.
Scanner unit  Encoder circuit  CHT-71A   
Scanner unit  Motor driver circuit  7EPRD0034* 
For 220 V AC   
“*” means revision, such as A, B and so on.
Scanner unit  Motor driver circuit  7EPRD0035* 
For 100 V AC   
“*” means revision, such as A, B and so on.
Scanner unit  Brake circuit  CFA-253   
Scanner unit  Brake control circuit  CCB-655   
Scanner unit  Brake circuit unit  NZR-16  Including CFA-259/260 
Scanner unit  Performance monitor  NJU-85   
Scanner unit  T/R control circuit  CMC-1205R   
Scanner unit  Modulator  NMA-550-1 
Including CPA-264 
Including CMB-404 
Including CFR-229 
Excluding Magnetron 
Scanner unit  Modulator circuit  CPA-264   
Scanner unit  Receiver  NRG-162A  Including CMA-866A   
Scanner unit  Power supply circuit  CBD-1682A   
Scanner unit  Relay filter circuit  CSC-656   
Scanner unit  Fan  7BFRD0002*  “*” means revision, such as A, B and so on.
Monitor unit  LCD/LED Panel  7WSRD0002*  “*” means revision, such as A, B and so on.
Monitor unit  LCD/LED Operation circuit  CCK-972A   
Operation unit  Operation circuit A  CCK-973   
Operation unit  Operation circuit B  CCK-974   
Operation unit  Operation circuit C  CCK-975   
Operation unit  Operation circuit D  CCK-976   
Operation unit  Trackball  CCK-1013   
Display unit  μATX Mother Board  CMC-1323   
Display unit  ADD Card  CKA-141   
Display unit  Flash Disk  CDD-723   
Display unit  HDD  CDD-717  2 unit 
Display unit  DVD Drive  CDD-719A   
Display unit  ATX Power Supply  CBD-1625   
Display unit  Front Panel Circuit1  CCK-986   
Display unit  Front Panel Circuit2  CCK-987   
Display unit  USB Security Dongle  CYC-344   
Display unit  JMA-900B Display unit Software  CYC-436  
Display unit  e-Token  CYC-242   
Display unit  Backplane Mother Board  CQC-1219-1   
Display unit  Standard Terminal Circuit  CQD-2121-1   
Display unit  Main Power Supply  CBD-1832   
Display unit  UPS Battery  CBD-1626   
Display unit  Radar I/F Board  CDC-1338   
Display unit  Radar Processor Board  CDC-1339   
Display unit  ARPA Board  CDC-1186D   
Display unit  Radar Terminal Circuit  CQD-2128   
Display unit  CPU Fan  MPXP34470