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  1. #1
    Junior Member Teacher
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    Default DM800 HD - problema display frontal

    Am un DM800HD clona, la care dupa o anumita perioada, nu mai afiseaza nimic pe displayul frontal, iar Dm800 nu mai reactionaeza la telecomanda. Serverul de CCcam, Telnet si FTP functioneaza.
    Am schimbat sursa, insa fenomenul persista.
    Ce altceva sa mai incerc si care ar putea fi cauza ?

  2. #2
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    are cativa condensatori electrolitici mari inauntru.vezi care s-a umflat si schimba-i pe toti daca poti.

  3. #3
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    Am schimbat un condensator de 16V 100uF aflat pe cablajul panoului central si nu a rezolvat problema. Ceilalti condensatori de pe placa de baza nu sunt umflati si nici scursi! Ma gandesc ca ar putea fi de la imagine alterata.

  4. #4
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    poate ai bagat cablul plat ce merge la display invers.in cazul asta l-ai distrus .

  5. #5
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    Quote Originally Posted by hotmtk View Post
    Ceilalti condensatori de pe placa de baza nu sunt umflati si nici scursi!
    Devalorizati?

  6. #6
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    daca esti bun la electronica iti pun aici schema display-ului cu tensiuni cu tot

  7. #7
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    Pe vremea cand importam si vindeam dm800( originale) unul singur s-a intors in garantie. Display-ul mergea joia si toamna. L-am verificat si am constatat ca fusese montat un hard intern si panglica de la acesta era pusa defectuos. Practic s-a creat presiune pe placa de baza fisurand-o. I-am aratat clientului care a renuntat imediat la pretentiile de garantie.


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  8. #8
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    @ mmm1967
    Te rog pune acea poza pe alt site, nu o pot descarca decat cea care apare pe RDI si este de rezolutie prea mica, nu se vede nimic, nici o tensiune.
    multumesc

  9. #9
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    hai sa vedem daca acu se vede mai bine
    http://s7.postimg.org/xq91ke3q3/Dm80...ector_info.jpg

  10. #10
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    Default Scheme el. DM800

    Gasiti si alte scheme aici https://rodezio.wordpress.com/tag/led/ pentru cine are DM800, care au fost postate odata de un "guru of Dreambox hardware" pe http://www.8a8f8.com/ .
    Pot fi utile pentru a readuce la viata DM.

 

 

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