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Author Topic: JVC AV-21F3PX...sabog vert.IC at Diode D402....  (Read 2029 times)

Offline aldwin

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #20 on: July 18, 2011, 11:51:38 AM »
Quote from: enriz622 on July 16, 2011, 01:15:07 PM
eto na o


thanks sis..eto rin o..pa pogi ka muna...+1
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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #20 on: July 18, 2011, 11:51:38 AM »

Offline aldwin

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #21 on: July 18, 2011, 11:55:03 AM »
Quote from: Mr Jones on July 16, 2011, 11:33:00 AM
Teka nalito ata ako ilan ba dapat B+ neto..kung SE135 dapat 135 B+  pwidi ba palitan ng SE115?

try ko lang sis kung bababa ang B+

...ayun bumaba nga...

ang di ko alam kung pede ba na ito na ikabit ko ng tuluyan>>>????
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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #21 on: July 18, 2011, 11:55:03 AM »

Offline Tripler02

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #22 on: July 18, 2011, 12:30:10 PM »
Quote from: aldwin on July 18, 2011, 11:55:03 AM
try ko lang sis kung bababa ang B+

...ayun bumaba nga...

ang di ko alam kung pede ba na ito na ikabit ko ng tuluyan>>>????
pwedeng pwede..Kung above sa nakalagay,syempre isipisip..Since bumaba na supply ok lang yan,ang dapat mung tignan nyan yung horizontal width..Baka masyado ng lumiit.
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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #22 on: July 18, 2011, 12:30:10 PM »

Offline acer

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #23 on: July 18, 2011, 12:51:07 PM »
ahh test lang naman pala
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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #23 on: July 18, 2011, 12:51:07 PM »

Offline aldwin

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #24 on: July 20, 2011, 12:10:19 AM »
mga masters.....prob po...

wala akong mahanapan na 75vdc na zener(mtj75-t2,D402),...

pede po kaya mag series na lang ako ng 68vzener at 6.8vzener?

ito lang pop ang pinakamalapit na value nahanap ko....
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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #24 on: July 20, 2011, 12:10:19 AM »

Offline mcguyver

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #25 on: July 20, 2011, 08:24:41 AM »
puede yan!!!
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Offline aldwin

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #26 on: July 21, 2011, 03:08:16 PM »
whewwww..damipa probs...

may fold over...

"marumi" ang  raster( may kulay blue na pipitikpittik sa screen...

tapos biglang lumiliit ang vert..tapos lalaki uli...

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Offline taqui

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #27 on: July 21, 2011, 03:15:18 PM »
palit mga ecap sa vertical at ecap sa fbt out..
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Offline aldwin

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #28 on: July 21, 2011, 10:15:28 PM »
Quote from: taquinaga on July 21, 2011, 03:15:18 PM
palit mga ecap sa vertical at ecap sa fbt out..

thanks master./..
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Offline x13r_kit_0

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #29 on: July 21, 2011, 10:22:04 PM »
 agree..malapit na kapehan to,.
update mo agad kung di umobra,..pero dyan nalang yan sa vertical
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Offline RhUNhA

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #30 on: July 21, 2011, 10:25:33 PM »
konting himas nlng sa v sec...ecaps direct sub n..
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Offline Mr. Turko

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #31 on: July 21, 2011, 11:51:20 PM »
Quote from: aldwin on July 21, 2011, 03:08:16 PM
whewwww..damipa probs...

may fold over...

"marumi" ang  raster( may kulay blue na pipitikpittik sa screen...

tapos biglang lumiliit ang vert..tapos lalaki uli...


pitikin o reju nalang ang tube, suggest ko lang yan ba ang equivalent 75volts zener diode mataas yata yan parang wala ring nakakabit nyan walang voltage control sa vertical out connected sa yoke,mababa lang supply sa ver out kung lalagyan ng zener na 75 volts hindi rin mag drop sa minimum na voltage sa ver out. hindi ba 18v lang zener diode ilagay mo dyan sis..
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Offline aldwin

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #32 on: July 22, 2011, 12:01:37 AM »
Quote from: micmkoy on July 21, 2011, 11:51:20 PM
pitikin o reju nalang ang tube, suggest ko lang yan ba ang equivalent 75volts zener diode mataas yata yan parang wala ring nakakabit nyan walang voltage control sa vertical out connected sa yoke,mababa lang supply sa ver out kung lalagyan ng zener na 75 volts hindi rin mag drop sa minimum na voltage sa ver out. hindi ba 18v lang zener diode ilagay mo dyan sis..

naikabit ko na yung series na zener sis...

ok naman..

ayun sa schematics 75v talaga sis...

nasa itaas>>
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Offline sharbor_tech

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #33 on: July 22, 2011, 06:55:11 AM »
Quote from: aldwin on July 22, 2011, 12:01:37 AM
naikabit ko na yung series na zener sis...

ok naman..

ayun sa schematics 75v talaga sis...

nasa itaas>>
tama naman sis mtj75-t2 sa data sheet 75v ang zener,siguro high peak protection lang..
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Offline NORTH LUZON

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #34 on: July 22, 2011, 10:14:58 AM »
Quote from: aldwin on July 22, 2011, 12:01:37 AM
naikabit ko na yung series na zener sis...

ok naman..

ayun sa schematics 75v talaga sis...

nasa itaas>>

pwde na ang 27v zener one watt dyan
ndi siguro umabot sa tamang vcc ang jungle mo kaya maraming lumitaw na problema
ayusin muna ang b+ mo then proceed sa ibang trobol
b+ palang ay problema na kaya daming sabit sa 2ndary functions yan
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Offline Tripler02

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #35 on: July 22, 2011, 11:35:51 AM »
Quote from: 2010 Insider on July 22, 2011, 10:14:58 AM
pwde na ang 27v zener one watt dyan
ndi siguro umabot sa tamang vcc ang jungle mo kaya maraming lumitaw na problema
ayusin muna ang b+ mo then proceed sa ibang trobol
b+ palang ay problema na kaya daming sabit sa 2ndary functions yan

agree!
Kumbaga sa tao,panu ka makakapagtrabaho ng maayos,kung ang pagkain mu naman puro salat sa sustansya.Kumain ka nga,pero kulang!Kulang kulang!
Hindi to ot mga sis,related din sya sa trouble,diba sis kags?=)
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Offline acer

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #36 on: July 22, 2011, 11:55:15 AM »
Quote from: 2010 Insider on July 22, 2011, 10:14:58 AM
pwde na ang 27v zener one watt dyan
ndi siguro umabot sa tamang vcc ang jungle mo kaya maraming lumitaw na problema
ayusin muna ang b+ mo then proceed sa ibang trobol
b+ palang ay problema na kaya daming sabit sa 2ndary functions yan


tama po dapat siguro maibalik sa normal b+ mo napalitan na ba yung se135 nito
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Offline ratronext

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #37 on: July 22, 2011, 12:28:52 PM »
ptambay...

Quote from: 2010 Insider on July 22, 2011, 10:14:58 AM
pwde na ang 27v zener one watt dyan
ndi siguro umabot sa tamang vcc ang jungle mo kaya maraming lumitaw na problema
ayusin muna ang b+ mo then proceed sa ibang trobol
b+ palang ay problema na kaya daming sabit sa 2ndary functions yan

agree po
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Offline taqui

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #38 on: July 22, 2011, 01:21:46 PM »
JVC maselan nga pala ito pag kapos ang supply, ibalik muna ang tamang error amp at kapehan na.
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Offline m@r

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Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #39 on: July 22, 2011, 10:29:30 PM »
dapat naman kasi 135V yong B+ yon ang design sa model na ito... dba mga sir pagmababa yong B+ voltage bumababa rin yong secondary voltage ng flyback? kaya cguro nagkaganito ito... tama ba ako mga sir?
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Philippine Electronics Forum

Re: JVC AV-21F3PX...sabog vert.IC at Diode D402....
« Reply #39 on: July 22, 2011, 10:29:30 PM »
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