JMA-5300MkIIsm
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3.1.3 Circuit Block to be Repaired .................................................................... 3-3<br />
Table 3-6: SCANNER UNIT NKE-2103 (<strong>JMA</strong>-5312-6/6HS) ............................ 3-3<br />
Table 3-7: SCANNER UNIT NKE-2254 (<strong>JMA</strong>-5322-7/9/6HS) ......................... 3-3<br />
Table 3-8: SCANNER UNIT NKE-1130 (<strong>JMA</strong>-5332-12) .................................. 3-4<br />
Table 3-9: DISPLAY UNIT NCD-4530 ............................................................. 3-5<br />
3.2 Illustrated parts breakdown .................................................................3-6<br />
Table 3-10: SCANNER UNIT NKE-2103 Parts List (<strong>JMA</strong>-5312-6/6HS) .......... 3-6<br />
Table 3-11: SCANNER UNIT NKE-2254 Parts List (<strong>JMA</strong>-5322-7/9/6HS) ..... 3-10<br />
Table 3-12: SCANNER UNIT NKE-1130 Parts List (<strong>JMA</strong>-5332-12) .............. 3-15<br />
Table 3-13: POWER CONTROL UNIT NQE-3167 Parts List ......................... 3-20<br />
Table 3-14: RADAR PROCESS UNIT NDC-1417 Parts List .......................... 3-22<br />
Table 3-15: OPERATION UNIT NCE-5171 Parts List .................................... 3-25<br />
4. Replacement Procedure<br />
4.1 Precautions (Scanner Unit) ..................................................................4-1<br />
4.1.1 Precautions for replacing parts in the scanner unit .............................. 4-1<br />
4.2 Scanner Unit NKE-1130 (<strong>JMA</strong>-5332-12) ...............................................4-2<br />
4.2.1 Remove the cover / NKE-1130 ................................................................. 4-2<br />
4.2.2 Magnetron replacement (M1555) ............................................................. 4-4<br />
4.2.3 Motor replacement (MDBW10823) ........................................................... 4-6<br />
4.2.4 Motor Driver replacement (7EPRD0035, 7EPRD0034) ........................... 4-8<br />
4.2.5 Motor Driver Fan replacement (7BFRD0002) .......................................... 4-9<br />
4.2.6 Modulator Unit Fan replacement (7BFRD0002) .................................... 4-10<br />
4.2.7 Modulation Circuit replacement (CPA-264) .......................................... 4-11<br />
4.2.8 Modulator Unit replacement (NMA-551-1) ............................................. 4-12<br />
4.2.9 Power Supply Circuit replacement (CBD-1682A) ................................ 4-13<br />
4.2.10 T/R Control Circuit replacement (CMC-1205R) ..................................... 4-14<br />
4.2.11 Relay Filter Circuit replacement (CSC-656) .......................................... 4-15<br />
4.2.12 Receiver Unit Replacement (NRG-229) ................................................. 4-16<br />
4.2.13 Encoder replacement (CHT-71A) ........................................................... 4-18<br />
4.2.14 Brake Control Circuit replacement (CCB-655) ..................................... 4-19<br />
4.2.15 Brake Circuit replacement (CFA-255) .................................................... 4-21<br />
4.2.16 Brake Unit replacement (NZR-17) .......................................................... 4-22<br />
4.2.17 Performance Monitor replacement (NJU-84) ........................................ 4-23<br />
4.3 Scanner Unit NKE-2254 (<strong>JMA</strong>-5322-7/9/6HS) ...................................4-24<br />
4.3.1 Remove the cover / NKE-2254 ............................................................... 4-24<br />
4.3.2 Magnetron replacement (M1568BS) ...................................................... 4-26<br />
4.3.3 Motor replacement (7BDRD0044A, 7BDRD0045A) ............................... 4-28<br />
4.3.4 Motor Control Power Circuit replacement (CBD-1779) ........................ 4-30<br />
4.3.5 Modulator Circuit replacement (CPA-264) ............................................ 4-31<br />
4.3.6 Modulator Unit replacement (NMA-550-1) ............................................. 4-32<br />
4.3.7 Power Supply Circuit replacement (CBD-1682A) ................................. 4-35<br />
4.3.8 T/R Control Circuit replacement (CMC-1205R) ..................................... 4-36<br />
4.3.9 Receiver Unit replacement (NRG-162A) ................................................ 4-38<br />
4.3.10 Encoder replacement (CHT-71A) ........................................................... 4-39<br />
4.3.11 Magnetron Fan replacement (7BFRD0002) ........................................... 4-40<br />
4.3.12 Modulator Unit Fan replacement (7BFRD0002) .................................... 4-42
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