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tcl vertical IC

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baddypepito
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Post by donskie Sat Nov 03, 2012 12:13 am

HELP PO NAMAN, vertical IC-stv9302B ay malakas uminit.normal naman Vcc nya at bago ang flyback nya?ano po ang cause ng malakas uminit ng IC?
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Post by baddypepito Sat Nov 03, 2012 8:30 am

may problema ba sa vertical na display sa tv? meron ka bang makikita na problema na vertical sa tv screen? normal lang kc na iinit ang mga ic during operation.
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Post by ultrasonic™ Mon Nov 05, 2012 4:26 pm


kng kaya lng hawakan ng kamay ang init.. ay ok lang yan sis...
pero kng di naman, try to check the Def Yoke at supply behavior ng Vert sect..

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Post by donskie Mon Nov 05, 2012 11:08 pm

baddypepito wrote:may problema ba sa vertical na display sa tv? meron ka bang makikita na problema na vertical sa tv screen? normal lang kc na iinit ang mga ic during operation.

pag-on ng tv,mga ilan lang na segundo maybe 10 second ay lakas init agad ,me pansin ako sa vertical picture nya, me mga horizontal line na visible,marami,mula taas pababa.parang me interference na pumapasok.napalitan ko na halos lahat ng filter cap.nya sa vertical ckt.ganun pa rin.pagpinatagal kong paandarin ang unit ay baka sumabog uli ang vert,IC.nagpalit na rin ako ng good na yoke,ganun parin. salamt pala sa responce nyo.malaking tulong eto sa akin.
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Post by donskie Mon Nov 05, 2012 11:12 pm

vertical supply pala ng vertical IC -normal, tatlong beses na ako nagpalit ng IC to make sure ng hindi ang IC ang salarin.
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Post by ultrasonic™ Tue Nov 06, 2012 12:01 pm

donskie wrote:
pag-on ng tv,mga ilan lang na segundo maybe 10 second ay lakas init agad ,me pansin ako sa vertical picture nya, me mga horizontal line na visible,marami,mula taas pababa.parang me interference na pumapasok.napalitan ko na halos lahat ng filter cap.nya sa vertical ckt.ganun pa rin.pagpinatagal kong paandarin ang unit ay baka sumabog uli ang vert,IC.nagpalit na rin ako ng good na yoke,ganun parin. salamt pala sa responce nyo.malaking tulong eto sa akin.

how about sa ibang peripheral parts nya resist at mylar caps ?
kng ngawa mu na rin yan at
based on your statement di na nga yan normal..
pwde def yoke na nga yan masxadong mabigat.. "out of torealable value..

o kung ok lng sau.. pwde mung dagdagan ang heatsink mu sa vertical ic.. bka mkatulong ng kunti.. kng my scope ka sana mas mamomonitor mu ang behavior ng vertcal sweep

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Post by tonzkie08 Wed Nov 07, 2012 12:11 pm

bka nag-adjust ka sa flyback kya may mga lumabas na mga horizontal line mula taas hanggang baba. focus ka sa supply ng vertical bka ndi tama.
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Post by Hertz Fri Nov 30, 2012 6:55 pm


baka out of sync ito

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Post by baddypepito Sat Dec 01, 2012 7:15 pm

baka din naman overscreen.... kaya may mga retrace lines sa itaas hanggang baba.. mas mbuti sana kung may picture
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Post by DJFEL Sun Dec 02, 2012 9:52 am

ma taas ang supply neto yata...chik f ok yong ecap or risistor neto..or my probs na yong yoke neto..try replce yoke at observe f sem pa ren..
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