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Probleme uch, pornire, semnalizare, etc

R19/16v
post 5 Jul 2016, 07:06
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Mister Zizu
post 19 Jan 2017, 20:38
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salut vreau si eu nr de tel e-mail facebook
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espacern
post 19 Jan 2017, 20:43
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Ti-e chiar asa de lene sa dai o pagina in urma.......si trebuie altcineva s-o faca pentru tine?


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Lyon
post 18 Jul 2019, 13:52
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nu e vorba de zgarcenie pe linia de productie tehnologic lipirea componentelor se face simultan prin trecerea placilor prin o baie de aliaj de lipit topit(asa numita lipire in val)(a doua metoda e prin retopire .padurile fiind deja acoperite cu aliaj de lipit). Problema lipiturilor reci apare la orice placa electronica in timp si tine de foarte multi factori:stres termic.stres mecanic.vibratii.dilatare a pcb cu coeficient termic diferit de al componentelor,umiditate,fracturarea sau corodarea trecerilor prin cablaj(placile cu densitate mare de componente sunt alcatuite din 2....n placi suprapuse in sandwich cu legatura intre ele ptin treceri metalizate)etc. In privinta resoftarii metoda e necesara doar in cazul stergerii accidentale partial sau total(descarcari electrostatice) a softului sau inlocuirea placii de baza cu unul altul. Si resoftarea are limitele ei memoriile au un numar de cicluri de scriere citire finit (in general memoriile au garantata mentinerea informatiilor nealterate in jur de 10 ani in cazul depozitarii componentelor.)

This post has been edited by Lyon: 18 Jul 2019, 14:22


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szinbm
post 15 Jan 2020, 18:21
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Salut,

Am achizitionat si eu un Megane 3 din 2013 (1.5dci) si nu functioneaza incalzirea in scaune si dezaburire haion. Oare aceasta problema poate sa fie din acest UCH?

Multumesc


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DaPZzzz
post 16 Jan 2020, 00:07
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QUOTE(szinbm @ 15 Jan 2020, 18:21)
Salut,

Am achizitionat si eu un Megane 3 din 2013 (1.5dci) si nu functioneaza incalzirea in scaune si dezaburire haion. Oare aceasta problema poate sa fie din acest UCH?

Multumesc
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Incearca sectiunea "Megane 3"

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