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Need schematics for "Nippon CT2014TXT"

 
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mihai_mgd
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PostPosted: Mon Oct 09, 2006 8:48 pm    Post subject: Need schematics for "Nippon CT2014TXT" Reply with quote

I want schematics for this TV. I don't know its chassis.
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Mindru Romeo
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PostPosted: Tue Oct 10, 2006 12:27 am    Post subject: ?! Reply with quote

Ce simptome are ?
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PostPosted: Tue Oct 10, 2006 3:38 pm    Post subject: Reply with quote

Dupa un anumit timp (~60sec) postul TV se deregleaza.
Cineva mi-a sugerat sa intru in menu service si sa umblu la param 0 "RAA", sa vad daca functioneaza. Umblind la acest parametru se constata ca RAA merge (imaginea se inrautateste/imbunatateste), dar postul tot nu este stabil.
Alta varianta pe care am auzit-o este sa rescriu EEPROMul cu bin-ul original (l-am gasit pe un site rusesc dar inca nu am incercat).

Am masurat alimentarea pe integratul STV8224B. In datasheet alimentarea este data ca fiind intre 8 si 12.6V, iar el are 8.6V. Poate fi asta problema? Oricum, cred ca problema este pe linga el.
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