Ciclotron-DBS4000-pwr-sch(1)维修电路原理图.pdf
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Ciclotron-DBS4000-pwr-sch(1)维修电路原理图.pdf
ARQUIVO:.DBS4000_V1.DSNFOLHA: 01/01DATA: 25/05/2001CIRCUITO: POWER / FONTE I N D S T R I A E L E T R N I C A L T D A.DBS 4000VISTA FRONTALBD 135BD 1362SC52482SA19642SA19432SC5200 VISTASUPERIORIC1002/2040662K247K100pF2K2470K10K100Kx50V27Vx1W10K100Kx50V27Vx1W3K9x1W47uFx100V3K9x1W2SC524810K2SA1964100Rx1W0.47Rx5W0.47Rx5W100Rx1W39pFx500V47Rx1W47Rx1W2SA19642SC5248OVERLOAD CH A/BPL282BD135470R12K100R1N41481N414812K47uF100R47uF470R100Kx100V10Rx5WPL237ACANAL A / CANAL BIC1002/202K247uFx100V2K2CH A/B56K22pFx100V47uF47uF1K1K500R180R330R100R500R10K10KBD135BD1361N4148AJUSTE OV AJUSTE CORRENTE1K1N5402100Kx100V100Kx100V1N540210Rx2W0.47Rx5W0.47Rx5W39pFx500VCH ATEMP B1K233K4K7CH B220R22K4K74K7100uFBC54733K100K6V2TERMOSTATO1KBC5574.7uF22K1K100uF FIXADO NO DISSIPADORCH BCH B FIXADO NO DISSIPADORCH APL278A680RTERMOSTATOCH A4.7uF100K680RINPUT CH AINPUT CH A4K710KBC547BC55710K50KBCLIP B220RVOL. CH ACLIP APL2821K2TEMP AINPUT CH B6V2INPUT CH B50KBVOL. CH B 3X2SA19430.47Rx5W0.47Rx5W 3X 2SC5200PLA00522OVTDBS4000250V x 15A110V220V10Kx1KVVENTOINHA12AONCH B2K7x3W4K7x2WCH APL283400V25AREDETERRA EXTERNO13500uF x85V13500uF x85V2K7x3W400V25AOUT A/B +_BORNE 4066+ 67,5 Vdc- 6,2 VdcCORRENTE QUIESCENTETENSO DA FONTE (+B)TENSO DO TRAFO3 mV DC*58,5 VacTENSO DA FONTE (-B1)- 78,2 VdcTENSO DA FONTE (+B1)+ 6,2 VdcPOT. MXIMA+ 78,2 VdcEM REPOUSO+ 6,2 VdcTENSO DA FONTE (-B)38,2 mA (17,9mV DC)*- 67,5 Vdc- 6,2 VdcAJUSTE DE OV56,2 Vac* A corrente quiescente deve ser medidasobre um dos resistores de 0.47Rx5W,estando o aparelho com carga e semsinal de entrada.Todos resistores so de 1/4 W e todoscapacitores eletrolticos so de 25V,exceto aqueles com indicao.* O ajuste de 0V dever ser feito nosbornes de sada, estando o aparelhosem carga e sem sinal de entrada.Os canais A e B so idnticos.1-28BC 547BC 557B C EBCE876543214321111213141087659-B+B-B1+B1-B-B1+B+B1+B-BECBCBE+129611810E0E2E1E3GND VDD7143113524Y2Z2Y3Z3Z0Y0Y1Z1+25768341+RadioFans.CN 收音机爱 好者资料库