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Author Topic: JVC AV-21QT17B help no picture/w good sound.  (Read 945 times)

Offline johanna

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #20 on: May 11, 2013, 11:44:16 AM »
subukan mo nga tanggalin sir ang wire ng g2 at check mo kung merong output
meron sir output pag tanggal ang wire nasa 600v..pag nakakabit na sya wala..

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #20 on: May 11, 2013, 11:44:16 AM »

Offline min

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #21 on: May 11, 2013, 11:48:33 AM »
Gud. Baka OK pa FBT mo.

I check mabuti ang CRT board at CRT socket hanapin ang short. Isipin din na baka me problema na ang tube.
M I N 2 5  e l e c t r o n i c s

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Philippine Electronics Forum

Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #21 on: May 11, 2013, 11:48:33 AM »

Offline enriz622

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #22 on: May 11, 2013, 11:58:15 AM »
power on mo ang unit na nakatanggal ang g2 wire,huwag hayaang dumikit sa ibang area ng circuit, pag on idikit mo sa pinagtanggalan mo,marami ng nakagawa nito at nag ok naman malay mo pwede rin dyan

Philippine Electronics Forum

Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #22 on: May 11, 2013, 11:58:15 AM »

Offline Disabled

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #23 on: May 11, 2013, 12:09:58 PM »
gulatin mo G2.

Philippine Electronics Forum

Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #23 on: May 11, 2013, 12:09:58 PM »

Offline johanna

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #24 on: May 11, 2013, 12:12:00 PM »
di ba delikado..

Philippine Electronics Forum

Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #24 on: May 11, 2013, 12:12:00 PM »

Offline enriz622

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #25 on: May 11, 2013, 12:17:32 PM »
hindi naman basta siguruhin mong don mismo sya didikit

Offline johanna

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #26 on: May 11, 2013, 12:49:26 PM »
ayaw magulat..sa tube na  kaya ito..sirain ba ang mga flat screen na tube?

Offline alvin_ortiz

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #27 on: May 11, 2013, 02:28:21 PM »
sis johanna kahit ok pa sa tester yong ceramic cap sa g2..try mo palitan ng bago..
try mo lang sa baka makatulong..

Offline enriz622

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #28 on: May 11, 2013, 02:47:50 PM »
palitan mo ng bagong cap at tsaka mo ulit-ulitin

Offline J@M

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #29 on: May 11, 2013, 11:59:30 PM »
power on mo ang unit na nakatanggal ang g2 wire,huwag hayaang dumikit sa ibang area ng circuit, pag on idikit mo sa pinagtanggalan mo,marami ng nakagawa nito at nag ok naman malay mo pwede rin dyan


Abangan ko nga triks ni master enriz....

Offline johanna

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #30 on: May 12, 2013, 04:58:11 PM »
ayaw mabuhay ng G2..mawala ang supply ng G2 pag dinidikit ko ang wire sa c-board..ano kaya mga master tube ba ang may problema?

Offline pete

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #31 on: May 12, 2013, 05:37:40 PM »
ayaw mabuhay ng G2..mawala ang supply ng G2 pag dinidikit ko ang wire sa c-board..ano kaya mga master tube ba ang may problema?
hang mo mona ang blue/ yellow cap nyan

Offline scorp_03

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #32 on: May 12, 2013, 06:21:04 PM »
crt socket po try lang

Offline taqui

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #33 on: July 04, 2013, 08:28:12 PM »
Na check nba ang crt socket baka shorted sa ground.pery kung hindi naman, tubo na yan.
Be honest to your Costumer

Offline TBG

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #34 on: July 05, 2013, 07:30:46 AM »

natry na lahat kaya malapit na to,,.maliban sa tube.

Offline Marcomtech1069

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #35 on: July 05, 2013, 11:18:17 PM »
possible tube ang sira..hang ang crt board at sukat ka sa cathode blue kong may supply...kong mayron....at ibalik mo sa tube ang crt board at voltage chek naman sa cathode blue kong walang supply or zero meaning tube na ang sira....naka encounter na ako nyan sa kolin ganyan din ang trouble...try lang sis..............

Offline djkingchristian

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #36 on: July 06, 2013, 09:05:25 PM »
pacheck ng vert ic at h out,, nkaencounter nko ng ganyan akala ko sira fbt, vert ic lang pala, inalis ko vert ic power on lumitaw ung horizontal line,,,

Offline djkingchristian

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #37 on: August 05, 2013, 10:07:35 PM »
nkagawa nako ng gnito dati, shorted hot ko baka same lng ng trobol


Offline TBG

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Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #39 on: August 06, 2013, 07:19:20 AM »
nkagawa nako ng gnito dati, shorted hot ko baka same lng ng trobol

meron syang g2 kaya ibig sabihin good ang hot at fbt.

Philippine Electronics Forum

Re: JVC AV-21QT17B help no picture/w good sound.
« Reply #39 on: August 06, 2013, 07:19:20 AM »

 

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