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Author Topic: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds  (Read 3289 times)

Offline gx44

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Regulator:  KA5Q0765RT (fairchild pwr switch)
H-output transistor:  D2499
B+... 90v muna after 1/2 seconds increase to 115v, hindi tumutuloy sa 115v kakainis nga...Then pag on ko
after 3 seconds sibak agad HOT ko FYI 2 times na palaging shorted hu! hu! hu!.. Bago na flyback fsv14a001 all caps ng ps pinalitan ko na, maliban lang sa regulator ka5q0765rt... ano kaya da best solution.. pls "woots29" kaya mo to..he ! he! he! ty again..

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Offline BANNEDMemberAccount

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #1 on: May 14, 2009, 08:31:00 PM »
check mo IC-DEF kasi sinisira nyan ang flyback, tapos flyback yan 80% tapos dapat sakto yung substitute o value ng hot
Wag HIHITHIT ng Katol para hinde Tamang Hinala  Account is permanently BANNED due to Accumulation of forum rules and violations.

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #1 on: May 14, 2009, 08:31:00 PM »

Offline nath630

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #2 on: May 14, 2009, 09:16:51 PM »
db to yung onechip model nilang tinatawag?
alam ko 125V ang B+ nito...
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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #2 on: May 14, 2009, 09:16:51 PM »

Offline lhan

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #3 on: May 17, 2009, 04:17:34 PM »
check  mo yoke kosa bk may tama,

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #3 on: May 17, 2009, 04:17:34 PM »

Offline Woots29

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #4 on: May 17, 2009, 04:25:05 PM »
kakagulat na sitwasyun


bago na flyback

pero sur ka ba na eksakto numero, o letter?

hmmmmm

horizontal shorted


hmmm

tama si sir lhan pwedeng yoke din

hirap mag-icp may bangungut din ako dito hehehehe



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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #4 on: May 17, 2009, 04:25:05 PM »

Offline red'z446

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #5 on: May 17, 2009, 05:42:57 PM »
check  mo yoke kosa bk may tama,
yap... sirain ang yoke nyan...isa pa di mo pwedi basta replace ng iba yoke maliban kung match ang inductance nya..pag di match kahit matibay ang H out mo ay di tumatagal.

Offline gx44

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #6 on: May 18, 2009, 01:55:59 PM »
ok.. tnx sa mga inputs...try ko check mamaya yoke at may doubt ako nito sana ito na nga... update ko nlang kau mamya...











Offline wheeler

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #7 on: May 18, 2009, 05:37:52 PM »
may naencounter na ako ng samsung na modelo din..ang nakita kong problema yung capacitor na 2.2uF/250..limot ko lang ang model number ng tv at kung ano ang part number.basta malapit ang cap sa flyback.
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Offline gx44

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #8 on: May 18, 2009, 06:57:53 PM »
ok rin hanapin ko tong ecaps... ano kaya kung tama ang nabili kong flyback ang orig fok 14a001  at ang nabili ko  fsv 14a001,,, kindly help me kung magkapareho ito tnx again hehehe!

Offline gx44

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #9 on: May 18, 2009, 07:18:53 PM »
sya ngapala .. tiningnan ko yoke kanina ok pa, ala pang tama..

Offline nath630

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #10 on: May 18, 2009, 08:00:10 PM »
may schematic diagram ka ba nito sir?

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Offline gx44

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #11 on: May 27, 2009, 08:53:19 PM »
sa wakas nakuha rin ang culprit, kailangan accurate numbering at letters ng flyback ang bbilhin mo... kasi una kong nabili fsv14a001... ang tama pla dito fck14a001 eksakto ang voltages fm pin 1 to pin 10. anyway tnx pla sa lahat ng  suporta .... God Bless u all ... hanggang sa muli...

Offline Woots29

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #12 on: May 28, 2009, 09:17:41 AM »
hays parang ung isang kaso flyback din na iba letra ;D

congrats
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Offline gx44

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #13 on: May 28, 2009, 12:17:34 PM »
sana makatulong ito sa mga naghahanap ng flyback pin equivalent voltage, kasi isang letra lang o isang number lang ang mali, maaring makasira ng ibang electnx components... pls visit this web www.kueyar.net ....

Offline neltech

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #14 on: June 02, 2009, 02:56:43 PM »
mga bossing ako din may problema ct-202f samsung tv regulator niya 5qo765rt nagpalit na ako ng zd 808 niya value 27v 1 watt and nagpalit narin ako ng regulator mga bossing bakit ganun pumuputok yung fuse niya pag sa 220 v ko na pinaplug sa 100v ok tulong namn po... thnks sa ganitong site

Offline neltech

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #15 on: June 03, 2009, 10:02:54 AM »
nagawa ko na rin hehehe kaya pla pumuputok ang fuse sira yung transistor switch sa photocoupler heheheh kaya pla bumabalik ang boltahe at pumuputoik ang fuse thnks sa pagtulog niyo

Offline technoquest

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #16 on: June 12, 2009, 10:01:56 PM »
 ;D

Offline Electrome528

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #17 on: January 11, 2010, 08:40:24 AM »
ano kaya problema netong ct-21m17mj kase nagpower sya kaso mababa voltahe flybak.

Offline Electrome528

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Re: Samsung TV model #CT-21M17MJ
« Reply #18 on: January 11, 2010, 09:01:40 AM »
mga bro bago lng ako dito  ano kaya sira nito mana voltahe nitong flyback pero may power sya kaya lang mahina at hnd nya kaya iopen picture.

Offline pete

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #19 on: January 11, 2010, 11:11:22 AM »
ok rin hanapin ko tong ecaps... ano kaya kung tama ang nabili kong flyback ang orig fok 14a001  at ang nabili ko  fsv 14a001,,, kindly help me kung magkapareho ito tnx again hehehe!
sir iba po ang data ng FBT mo kailangan exact value napa check monaba ang fbt mo? malamang ok payan ang alam kong madalas masira dyan ang ceramic cap na naka connect sa hot mga 2kv yata yon na maliit lang yong fsv14a001 ay para sa 14" po yan.

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Re: Samsung TV model #CT-21M17MJ ...H.O.T. blow after 3 seconds
« Reply #19 on: January 11, 2010, 11:11:22 AM »

 

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