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konzert av-502a nawawala sound

Discussion in 'Appliance Troubleshooting' started by oneclick30, Feb 26, 2016.

  1. mga sir/maam.. tulong nman po.. yung ampli ko konzert av-502a sira po nya nawawala yung sound sa A & B channel pa wala wala pag pinapatugtug ko,, may naririnig akong click pagnawawala at pagkakaron ng sound.. anu po kaya sira nun.. magkanu kaya magagatos ko pagpinagawa ko yun?? madali lang bang ayusin yung gsnung sira.. salamat po sa sasagot mga sir/maam...
     
    dyords likes this.
  2. May grounded po cguro ung speaker mo sir ung naririnig ung nagclick2 ung relay un protect para d masira ung i.c ng amplifier nio try nio tignan wire ng speaker baka may nagdidikit or ung speaker nio na po may tama
     
    oneclick30 likes this.
  3. Try to resolder the inner circuit,sometimes cold solder
     
  4. mga sir,
    makikitanong nadin po ako dito kasi konzeert 502 din ampli ng videoke ko, nawala po kasi sound nung left channel, right chan lang po ang gumagana, ano po sira kapag ganun? san po or kanino ako pwede mag patsek ng ampli ko? ty :)
     
  5. Maaaring Volume off value,or yung input audio cable Loosecontacts check mo din boss..
     
  6. mga boss patulong naman kc ung ampli ko konzert502a ung left channel napakahina,saan kaya ang may sira?
     
    Jake_1987 likes this.
  7. bka may short sa power transistor sir..
    o change relay sir.. naka try n ako ganyan sa customer ko sir.. :)

    jumper muna lng right at left channel sir hehehe yan din solusyon ko sa videoke ko.
     
  8. hanneman

    hanneman Eternal Poster Established

    try pitk pitik sa volume pot kung may pagbabago baka may sabit na sa wiper contact..double check din audio cable usually andito rin salarin. pagpalitin mo connection ng left at right channel.
     
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