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Teletech backlight

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Teletech backlight Empty Teletech backlight

Mesaj Scris de Flamar la data de Vin 26 Mai 2017 - 21:27

Am un tv led Teletech cu diplay VES390 UNDA-01.
Va rog sa-mi spuneti daca se pot inlocui baretele led 40 NDV Rev1.0 cu
40 NDV Rev0.2
Va multumesc anticipat.

Flamar

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Teletech backlight Empty Re: Teletech backlight

Mesaj Scris de titus08 la data de Sam 27 Mai 2017 - 11:54

Rev 1.0 are 9 leduri  iar Rev 2.0 are 8 leduri. Ledurile sunt identice. Înlocuind Rev1.0 cu rev2.0, va crește curentul pe led, deci trebuie redus curentul pe led din generatorul de curent constant care alimentează ledurile.
Rev 2.0 înlocuit cu Rev1.0 ar rezulta un curent mai mic pe led, funcționând. La Vestel, curentul pe led este configurat spre limita maximă, reducerea acestuia este binevenită pentru a asigura o funcționalitate mai îndelungată a ledurilor.

Rev 1.0 merge înlocuit direct cu rev 0.2
titus08
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