JMA-5300MkIIsm
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INDEX > 6.Troubleshooting > 6.3 Display Unit error messages<br />
[2]-3 Interswitch Circuit CCL-304R in Interswitch Unit<br />
• Check the status of interswitch circuit CCL-304R.<br />
• Check the interswitch cable.<br />
TB901, TB902, TB903, TB904<br />
• Replace Interswitch Unit NQE-3141-4A/8A.<br />
[2]-4 Radar Process Circuit CDC-1332 in Radar Process Unit<br />
• Check the installation status of J4403 in Radar Process Circuit CDC-1332.<br />
• Radar Process Circuit replacement (CDC-1332). (see section 4.6.3, page 4-73)<br />
6.3.5 PROC (HL)<br />
[1] Content<br />
There is a problem with the antenna rotation signal from the Scanner Unit.<br />
If TXRX (AZI) or TXRX (Data) is shown, resolve that problem first.<br />
It is possible that the Scanner Unit installation cable is damaged or that there is a<br />
problem with the terminal block circuit board or the radar process circuit board.<br />
If the inter switch is in use, it is possible that the inter switch cable is damaged or<br />
that the inter switch unit is faulty.<br />
[2] Problem location<br />
[2]-1 I/F Unit NQA-2123 in Radar Process Unit<br />
• Check the insertion status of J4105, J4107, J4108 and J4110 in I/F Unit NQA-<br />
2123.<br />
• I/F Unit replacement (NQA-2123). (see section 4.6.2, page 4-70)<br />
[2]-2 Terminal Board CQD-1937A in Radar Process Unit<br />
• Check the insertion status of TB4301 and J4301 in the Terminal Board CQD-<br />
1937A.<br />
• Check the insertion status of TB4310 and J4310 in the Terminal Board CQD-<br />
1937A.<br />
[2]-3 Interswitch Circuit CCL-304R in Interswitch unit<br />
• Check the status of interswitch circuit CCL-304R.<br />
• Check the interswitch cable.<br />
TB901, TB902, TB903, TB904<br />
• Replace Interswitch Unit NQE-3141-4A/8A.<br />
6-22
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