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Author Topic: Konzert ampli problem no sound  (Read 1474 times)
grizzom
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« on: February 01, 2010, 10:14:49 AM »

Mga master ask ko lan po ung ampli kasi sa kapitbahay namin nasira pinapaayos skin ok ung center at surround speaker tumutunog pero pag nilagay ko dun sa a chanel and b cahanel na speaker ung nsa banda taas lahat di tumutonog anu kaya sirs nun? thanks.
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« on: February 01, 2010, 10:14:49 AM »

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ccasiser
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« Reply #1 on: February 01, 2010, 10:42:27 AM »

ano pong model nito.. Konzert AV-502A ba ito?
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Woots29
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« Reply #2 on: February 01, 2010, 10:49:11 AM »

i chek mo ung selector switch ng speaker

baka natunaw na yun

simply screw the negative of the speaker sa casing ng amplifier

at itusok mo yung positive ng speaker sa lahat ng red post ng amplifier

to verify kung gumagana yung main amplifer nya Grin
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« Reply #3 on: February 01, 2010, 11:10:38 AM »

tama si master woots baka nagshort na contact ng switch mo sa main spkr....
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grizzom
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« Reply #4 on: February 01, 2010, 02:02:18 PM »

@ casiser 502-A model , @ master woots ginawa ko na po ung positive tinest ko na lahat tapus ung negative iniwan ko sa surround ayaw padin tumunog ng a and b. pero pag binalik ko po sa surround at center speaker ung wires ok naman.
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« Reply #5 on: February 01, 2010, 02:12:17 PM »

@ casiser 502-A model , @ master woots ginawa ko na po ung positive tinest ko na lahat tapus ung negative iniwan ko sa surround ayaw padin tumunog ng a and b. pero pag binalik ko po sa surround at center speaker ung wires ok naman.

what i mean is i ground mo sa casing ung negative ng speaker

ok ganito na lang, naririnig mo bang magclick yung relay matapos i-switched on?

"TIK!"
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grizzom
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« Reply #6 on: February 01, 2010, 02:50:27 PM »

ganun po ba d ko narinig kng ng tik ung relay d ko po kc napakingan panu po ba kng halimbawa ng tik nga or hindi? iba pa po ba ung ground sa na nasa surround at sa body? thanks po i try ko iground sa body.kng my my po kau master woots pahingi po kng ok lan..
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« Reply #7 on: February 01, 2010, 03:16:44 PM »

ym po sir woots thanks
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« Reply #8 on: February 01, 2010, 03:37:37 PM »

ganito yan

kung walang tik sa amplifier matapos mng iswith on, ibig sabihin naka protect yan

may sira sa bandang amplifer section, maaring sirang transistor, ero better check it

ym? check may profile na lang Grin
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pete
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« Reply #9 on: February 01, 2010, 04:00:53 PM »

i chek mo ung selector switch ng speaker

baka natunaw na yun

simply screw the negative of the speaker sa casing ng amplifier

at itusok mo yung positive ng speaker sa lahat ng red post ng amplifier

to verify kung gumagana yung main amplifer nya Grin
agree ako dyan, kaya gumagana ang center at surround spreaker mo may dalawang IC dyan para sa out na yan. malamang sira ang main apms mo yong transistor output. check mo kong pari-pariho ang voltage bawat paa ng transistor R channel at L channel.
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grizzom
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« Reply #10 on: February 01, 2010, 04:57:32 PM »

@ master pete sir un bang transistor na sinasabi mo ung dalawa nasa heatsink nakaharap sa likod ng ampli?

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« Reply #11 on: February 01, 2010, 05:03:10 PM »

diba apat yan? yong 2SCxxxx at 2SAxxxx alin man sa side nyan ang may sira dina gagana ang relay nyan
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« Reply #12 on: February 01, 2010, 05:17:36 PM »

Tama si boss pete.. bukod yung amplifier ng Center at soruond kaya may ouput kaprin doon. pero doon sa mismong ng A and B ch. ang amplifier nito ay yung maraming transistor na naka heat sink dyan di ko sure ko 6pcs yata yun o 7pcs yun check mo narin kung may supply sa mga transistor yun.

ang isa pa ay yung sinabi ni master woots, baka nga naka protect, dapat nga kasi pag switch ng power ay may maririnig kang Tik after mga 2 to 3 sec. saka gagana yung Amplifier.
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« Reply #13 on: February 01, 2010, 05:27:34 PM »

Tama si boss pete.. bukod yung amplifier ng Center at soruond kaya may ouput kaprin doon. pero doon sa mismong ng A and B ch. ang amplifier nito ay yung maraming transistor na naka heat sink dyan di ko sure ko 6pcs yata yun o 7pcs yun check mo narin kung may supply sa mga transistor yun.

ang isa pa ay yung sinabi ni master woots, baka nga naka protect, dapat nga kasi pag switch ng power ay may maririnig kang Tik after mga 2 to 3 sec. saka gagana yung Amplifier.
ito ang ginagawa ko dyan para lang ma test kong ok ang output ko.. bypass mona ang relay jumper mo na pansamantala pero kailangang walang speaker na nakakabit pag power on nakatutuk na ang tester sa +- ng speaker output once na may masukat ka na mataas na voltage negative man o positive volt may sira ka sa output mo.
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CASTILLO ELECTRONICS
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« Reply #14 on: February 01, 2010, 05:29:56 PM »

di kaya master may pumutok pag may problem sa amplifier, kapag bi naypass ang relay?
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pete
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« Reply #15 on: February 01, 2010, 05:32:52 PM »

di kaya master may pumutok pag may problem sa amplifier, kapag bi naypass ang relay?
papuntang speaker napo ang relay.. sa akin di masmaganda atleast kita mona ang sira.
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CASTILLO ELECTRONICS
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I n s i d e r 2010
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« Reply #16 on: February 01, 2010, 07:20:09 PM »

@ts

check your  biasing

jan mo malalaman kung may sira sa ampli

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« Reply #17 on: February 01, 2010, 08:07:25 PM »

about ampli parin ano ang tawag don sa amplifier na naparaming transformer?
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« Reply #18 on: February 02, 2010, 12:13:34 AM »

about ampli parin ano ang tawag don sa amplifier na naparaming transformer?

^^ "impaktang hijacker" ang tawag dun sis..

TS sundin mo advice ng mga master sa taas..

check mo yung speaker selector switch..
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grizzom
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« Reply #19 on: February 02, 2010, 08:36:50 AM »

SIR na check ko naman ung selecetor switch ok namn, @ master sicnarf panu po kaya ung baising?
hindi pa po kc ako ganun ka familiar kng maturuan nio po sana ako ng step by step master, thanks po sa mga master na walang sawa sumasagot sa forum..
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