aiwa component shutdown

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aiwa component shutdown

Post by baddypepito on Wed Nov 21, 2012 7:19 am

gud day po sa lahat... meron kc akong nreper na aiwa component na magshut down sya after mga 1 hour o less than 1 hour. everything is working smoothly. tuner is ok. cd is ok. audio is ok. the only problem lang ay mgsashutdown sya ng bigla. nang una ito pumasok ay palagi lang talaga syang nkastandby mode.at pagipress ang power on button ay mwawala lahat ng display sa kanyang lcd. actions: i resolder near lcd panel,lcd,and including the system ic. meron talagang mga lose connection sa kanyang lcd. tapos noon,parang ok na sya but i didnt expect na magshashutdown sya. ano kaya ang possibleng problema nito?

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Re: aiwa component shutdown

Post by Electro on Fri Nov 30, 2012 1:36 pm

baka naka may timer ito master o di kaya overheat

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Re: aiwa component shutdown

Post by ultrasonic™ on Sat Dec 01, 2012 11:50 am

ano model nito sis?

ano ang behavior ng supply nya after ng shutdown?

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Re: aiwa component shutdown

Post by baddypepito on Sat Dec 01, 2012 1:22 pm

nsx-k370 ... after shutdown ay ok naman ang standby voltage

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Re: aiwa component shutdown

Post by ultrasonic™ on Sat Dec 01, 2012 3:29 pm

ayos my free svc diag sa elektrotanya

http://elektrotanya.com/aiwa_nsx-k370.pdf/download.html

try mu munang ulit eresolder ang smd quad ic (system) sa front panel board at pati na rin ang xtal

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Re: aiwa component shutdown

Post by DJFEL on Sun Dec 02, 2012 2:23 pm

parang my probs sa audio section ha...parang ma enit yata pang omaabot nang 1hr...

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Re: aiwa component shutdown

Post by ultrasonic™ on Mon Dec 03, 2012 11:42 am


pwede Smile

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Re: aiwa component shutdown

Post by baddypepito on Mon Dec 03, 2012 11:56 pm

baka nga..... pro paano ko ittroubleshoot gayong overheating ang possible cause.... ano kaya ang pinakabest na gagawin ko?! apologies

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Re: aiwa component shutdown

Post by ultrasonic™ on Tue Dec 04, 2012 6:59 pm


kng dudang kang ng oover heat.. apply silicon compound/greese sa Amp IC.. maybe it can help a little (^_^ or try mong observe na tutukan ng electric fan ang unit.. set mo sa pnakamalakas (3).. bka kasi di mg shutdown ng ilan oras

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Re: aiwa component shutdown

Post by baddypepito on Tue Dec 04, 2012 7:22 pm

ah ok po..... update po ako kpag nagawa na.

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Re: aiwa component shutdown

Post by DJFEL on Thu Dec 06, 2012 2:27 pm

gomagana ba yong blower neto?

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Re: aiwa component shutdown

Post by baddypepito on Thu Dec 06, 2012 7:27 pm

nag.iiba na rin ang reaksyon nito... last tym na natest ko ay ok sya at later ay magtitrip off,nanf itest ko kanina ay ayaw na magpower on.. standby mode lang sya at minsan ay nawawala tlaga lahat sa display. as in dead talaga. mag.iiba iba kc ang behaviour nito.

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Re: aiwa component shutdown

Post by ultrasonic™ on Fri Dec 07, 2012 1:42 pm


intermittent problem. na resolder na ba ang crystal ?

ano ang behavior ng test point mo sis.. sundan mo ang diag

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Re: aiwa component shutdown

Post by triac on Sat Dec 08, 2012 9:37 am

resolder muna sis baddy sa mga power supply,at paki check nalang ang mga tact switch..

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Re: aiwa component shutdown

Post by baddypepito on Sun Dec 09, 2012 7:41 am

naresolder ko na lahat... sa audio amp.. sa front fanel.. sa mga audio processor,pro ganun pa rin... hirap na man nito. scratch

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Re: aiwa component shutdown

Post by triac on Sun Dec 09, 2012 5:09 pm

baka may short ito sis,try to pull out the power amp IC kung d b sya magshutdown...meron din akong na repair na short din ang spiral IC sa front panel...sana makatulong ito sayo...

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Re: aiwa component shutdown

Post by ultrasonic™ on Tue Dec 11, 2012 12:51 pm


^ super agreed

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Re: aiwa component shutdown

Post by baddypepito on Thu Dec 13, 2012 10:16 am

hindi po kc ic type ang amplifier stage nito... transistor type po ito.. wala din namang dc output sa kanyang speaker out.. minsan naman ay gumagana ang kanyang whole system...

@sis ultra: ano po ba ang mga indication sis kung sira ang kanyang crystal? ano po din ang number ng kanyang crystal? tnx.. Very Happy

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Re: aiwa component shutdown

Post by DJFEL on Thu Dec 13, 2012 12:17 pm

so ano apdit neto...stanby power nalang...parang naay risistor yata lick neto sa power supply...try mo yong relay sa paligid f ok ba lahat...

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Re: aiwa component shutdown

Post by triac on Thu Dec 13, 2012 12:54 pm

ay sori di pala IC ang power amp nito...baka may leak ito..

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Re: aiwa component shutdown

Post by baddypepito on Thu Dec 13, 2012 1:41 pm

unfortunately kinuha na ng may-ari kanina goodjob super sayang kaya ang mga efforts na ginawa ko nun! hahai! Crying or Very sad

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Re: aiwa component shutdown

Post by ultrasonic™ on Fri Dec 14, 2012 5:10 pm


sayang nmn sis....
pero ok lang yan...di natin hawak ang decision ng tumer

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Re: aiwa component shutdown

Post by DJFEL on Mon Dec 17, 2012 9:54 am

sayang....parang my lick power transistor..

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Re: aiwa component shutdown

Post by danny on Tue Dec 18, 2012 12:14 pm

nyak nahuli ako dito
super duper busy kasi ako

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Re: aiwa component shutdown

Post by baddypepito on Thu Dec 20, 2012 1:22 pm

ok lang po yan sir danny... my next time pa. pro sana ay nakatulong po kayo Embarassed

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Re: aiwa component shutdown

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