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The Philippine Electronics and Technology Forum > General Electronics and Technology Discussion > Consumer Electronics, Appliances and Electronic Gadgets > Audio and Video Equipments > JVC AV-14ft15 no power
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Author Topic: JVC AV-14ft15 no power  (Read 908 times)
randydionisio97
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« on: March 04, 2010, 11:37:03 AM »
Mga boss' tip naman po about sa JVC tv model AV-14ft15' baguhan lang ako sa tv repair. ang nagiging problem no power sya kasi yung FR105SG nya laging nyang short tapos yun N38 nya inoopen nya. kpag pinalitan ko ulet mag bubukas yung tv but after 5minute sinisira nya yung dlawang pyesa. anu kaya problema mga boss? ok nalan yung ibang parts na nka palibot sa power. tip naman mga boss! thanks!
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« on: March 04, 2010, 11:37:03 AM »
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pete
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« Reply #1 on: March 04, 2010, 11:50:54 AM »
randydionisio97  very good sir....

check nyo po ang diode na connected sa FR105SG baka shorted
yun N38 sa B+ ba naka connect yan?
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CASTILLO ELECTRONICS
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randydionisio97
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« Reply #2 on: March 04, 2010, 01:07:08 PM »
thanks sir' yung N38 nkakabit po FR105SG pero yung teace ko yung N38 papunta sa audio video' tpos yung FS105SG bagong palit sir e' tapos yung nkakabit dun na diode hindi naman po shorted. kaso kapag power on ko ng tv sinishort nya yung FR105SG tapos open na yung N38. anu pa kaya nag cacaused bakit nya shorted at open yung mga pyesa sir?
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moira
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« Reply #3 on: March 04, 2010, 01:12:15 PM »
na try mo nabang e hang ung HOT?
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pete
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« Reply #4 on: March 04, 2010, 01:15:11 PM »
FR105SG  fast recovery diode yata yan.... check mo kong saan papunta yan.. papunta ba sa IC yan? replace mo na ang ecaps dyan.
Quote from: randydionisio97 on March 04, 2010, 01:07:08 PM
anu pa kaya nag cacaused bakit nya shorted at open yung mga pyesa sir?
kapag shorted ang FR105SG  natural na mag oopen ang n38 dahil ang trabaho nyan ay parang fuse din.
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CASTILLO ELECTRONICS
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randydionisio97
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« Reply #5 on: March 04, 2010, 01:19:56 PM »
sir pete' yung N38 nkakabit po sa FR105SG. bale yung N38 papuntang audio video yung trace ko. yung FR105SG nkakabit sa chopper. kapag pinapalitan ko ng bago yung dalawa' nag oopen yung tv pero mga 5minutes lang shutdown na naman ulet. sira yung dalawang pyesa.
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randydionisio97
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« Reply #6 on: March 04, 2010, 01:21:14 PM »
sir pete' flash recovery diode nga.
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pete
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« Reply #7 on: March 04, 2010, 01:23:23 PM »
baka naman mora lang ang bili mo dyan hehehe ayaw ng local yan.
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CASTILLO ELECTRONICS
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randydionisio97
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« Reply #8 on: March 04, 2010, 01:25:18 PM »
sir rems hindi kpa na try hang yung hot po' yung sa horizontal H out po ba yung sinasabi mo?
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randydionisio97
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« Reply #9 on: March 04, 2010, 01:27:04 PM »
medyo duda nga ako sir pete' kasi dito ako panggasinan ngayon try ko gawin yung TV ng pinsan ko sir' balae dito nko  bumili ng FR diode sa panggasinan. sobrang mahal nga e
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pete
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« Reply #10 on: March 04, 2010, 01:33:49 PM »
post kong san papunta ang FR105SG
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CASTILLO ELECTRONICS
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randydionisio97
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« Reply #11 on: March 04, 2010, 01:44:55 PM »
yung FR105SG connected sya sa chopper sir pete'
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pete
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« Reply #12 on: March 04, 2010, 01:48:38 PM »
yup galing chopper papunta po saan? kong may problem po ang sinusuplayan masisira po sya.
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CASTILLO ELECTRONICS
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randydionisio97
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« Reply #13 on: March 04, 2010, 03:17:21 PM »
Sir pete' papunta po yung FR150SG sa H out'
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pete
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« Reply #14 on: March 04, 2010, 03:25:22 PM »
got you hehehe nadaan kona yan replace mo nalang ng diode na pang B+ galing sa ibang tv.
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CASTILLO ELECTRONICS
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randydionisio97
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« Reply #15 on: March 04, 2010, 04:21:06 PM »
Sir pete' yung H out nya may nasusukat naman ako na 115v, ok lang bang replace ko kahit ibang pang B+ na diode galing sa ibang TV?
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pete
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« Reply #16 on: March 04, 2010, 04:25:21 PM »
Quote from: randydionisio97 on March 04, 2010, 04:21:06 PM
Sir pete' yung H out nya may nasusukat naman ako na 115v, ok lang bang replace ko kahit ibang pang B+ na diode galing sa ibang TV?

yup ginawa kana po yan sa 21" na JVC
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CASTILLO ELECTRONICS
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randydionisio97
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« Reply #17 on: March 04, 2010, 04:30:59 PM »
anu po ba nag cacause bakit nya short yung FR diode? peke ba?
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randydionisio97
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« Reply #18 on: March 04, 2010, 04:33:31 PM »
bakit nga pala bumibigay yung pinapalit ko na FR diode sir pete' kailangan ba yun bunot talaga para original? kasi ok naman pag on ko' pero after mga 5mins bumibigay na e'
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pete
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« Reply #19 on: March 04, 2010, 04:37:44 PM »
malamang hindi nya kaya ang current. naghanap ako dito sa raon wala akong makita nyan, kaya nag try ako ng ibang diode na pang B+ ok naman. monitor mo kong mainit sya.

Quote from: randydionisio97 on March 04, 2010, 04:33:31 PM
bakit nga pala bumibigay yung pinapalit ko na FR diode sir pete' kailangan ba yun bunot talaga para original? kasi ok naman pag on ko' pero after mga 5mins bumibigay na e'
try natin yong ibang diode para malaman.
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