TM 11-6625-3081-237-17. LASER POWER SUPPLY ASSEMBLY 2A1A6 AND LASER COVER ASSEMBLY 2A1A2A197-17INPUT CODE:LASERST (cont)2 .CORRECTIVE ACTION- SEGMENT 23 (cont)(c) Remove Power Supply 2A1A6XX.Check contacts of mating connectors andrepair if required.Install replacement 2A1A6XX and perform LASERSTtest.If LASERST test passes, no further action required.If thissegment displayed again, proceed to (d).If another segment displayed,proceed to that segment and continue troubleshooting.(d) Check cable assembly 2A1W45 and repair 2A1W45 as required.If 2A1W45 was repaired, perform LASERST test. If LASERST test passes,no further action required.If LASERST test fails and CALCST, PLLBUS,MTRXSW, ADST, DIGITST, FPSST, and PPSST tests have been performed,repair is beyond this level of maintenance.Next higher level ofmaintenance required.If 2A1W45 does not require repair and CALCST, PLLBUS, MTRXSW, ADST,DIGITST, FPSST, and PPSST tests have been performed, repair is beyondthis level of maintenance.Next higher level of maintenance required.If another segment displayed, proceed to that segment and continuetroubleshooting.2. SEGMENT 241. VDT DISPLAYHV SAMPLE READS ##.## VDC DURING ‘FIRE’ (5V CONTROL). PERFORM THE FOLLOWINGREPLACE ACTIONS IN THE ORDER LISTED.(REFERENCE TM 11-6625-3081-23 FORREPLACEMENT PROCEDURES.)REF.DES.PARTNO.NAME1. 2A1A6TB113081582HIGH V. TERMINAL BOARD ASSY.2. 2A1A6XX13079722HIGH VOLTAGE CCA3. 2A1A6XX13079420POWER SUPPLY2. CORRECTIVE ACTION - SEGMENT 24Corrective actions same as segment 23. Refer to segment 23 fortroubleshooting.7-88
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