Nautel XR12 Troubleshooting Manual

Also see for XR12: Installation manual Operation and maintenance manual Preinstallation manual

Contents

Issue 3.1 2014-05-07 SD-8Figure SD-8: NAPC147D Control/Display PWB (Sheet 4 of 4)20 J434 J16 J15 J13 J23 J1C420.1TON/CGNDN/CN/C6 J49 J424 J128 J430 J431 J434 J49 J27 J136 J428 J137 J426 J139 J4R124475KC220.1C290.1C270.1R56475KC590.1R17475K+5VTO21 J413 J733 J112 J75 J24 J24 J12 J2R40475KC410.1C310.1TP10+5VN/CN/C8 J47 J423 J128 J729 J729 J433 J432 J435 J48 J18 J227 J138 J425 J1TP29TP25TP17TP31TP23TP8TP7R138475KR42475KR8810.0KC680.1R74475K R55475KR73475K R72475K C380.1C90.1TOC210.1R52475K R60475KTP22TP28TP11R68475K R54475KR114475KR99475KR113475K10.0KR84+15V+5VR228250C180.00110.0KR33R201000C110.1C100.1R510.0 R6282504750R89R615620R71100TO SHEET 1TO SHEET 2TO SHEET 3TO SHEET 310.0KR14110.0KR86R127100010.0KR93RF_CURRENT_REFR481000C800.1C440.1C230.1R125475KC460.1R461000C600.1C280.1C260.1PDM_B_SAMPLEPOLARITY_ERROR48V_SAMPLEPA_VOLTS_SAMPLEB+_SAMPLE#HIGH_RF_CURRENT+BAT_VOLT_SAMPLEBAT_CUR_SAMPLER851000R301000 10.0KR29R8310.0KTP13TP15R7710.0KTP2C120.00110.0KR19R39475K C200.1+5VR651500657U1:BC320.0022C330.0047C360.1R901004750R63R32100TO SHEET 2SHEET 3TO SHEET 310.0KR143R14010.0KR961000 10.0KR97R871000R761000 10.0KR7510.0KR12610.0KR4710.0KR69R701000R139475KC510.1231U7:AC400.1R43475KC750.1C690.1C240.00110.0KR45TP6657U11:BC520.19108U1:C231U11:AC450.1R79100KR106100R108100R41100R137100R1121009108U7:C4750R78231U1:AR67100PDM_A_SAMPLEDC_CURRENT_SAMPLERF_CURRENT_SAMPLER361000TP19TP4R341000TP1R8215.0KR44475K R18475KR49100R14210.0KR94100010.0KR57R581000R105475KC390.1R801500111013U4:DR661009108U3:CR98100657U7:BR53100TP16S1950199 SHEET 4 OF 4 V3FROM SHEET 3C430.1FROM SHEET 3 REFLD_PWR_SHTBK_REF10.0KR35REFLD PWR SAMPLESHEET 3FROMFWD PWR SAMPLEPDM (A)#AC_LOW-CHARGER_CURRENTR64100KFROM SHEET 3REFLD_PWR_SAMPLERF CURRENT SAMPLERF CURRENT SAMPLEBATTERY VOLTAGEBATTERY CURRENTC870.1 C790.1C350.1C300.1SHEET 3TO SHEET 2LOW_AC_REFC160.1CHARGER CURRENT10.0KR21PDM (B)SPARE ADCAC_SAMPLE#AC_LOW-#REFLD_PWR_SHUTBACK+542U4:ASPEAKER_REF_LEVELFWD_PWR_SAMPLEC880.1 C530.1C80.1R31100657U3:B SHEET 39814U4:CR81475K657U2:B131214U2:D9108U2:CTP21231U3:AB+ SAMPLE/AC POWER