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  1. #1
    Registered User barabata's Avatar
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    Location: Ñîôèÿ
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    Íåèçâåñòåí åëåìåíò îò ïëàòêà PRT3 íà Paradox

    Êîëåãèòå ñà èçêúðòèëè íÿêîëêî åëåìåíòà îò åäíà ïëàòêà è ñå çàíèìàâàì ñ åêçîðñèçúì. Âñè÷êî çà ñåãà ñúì âúçñòàíîâèë ñ èçêëþ÷åíèå íà åäèí òðàíçèñòîð SOT 89 - ìàðêèðîâêàòà íà êîðïóñà ñúì ñíèìàë : https://ibb.co/YZJ2Y2x
    Íå íàìèðàì íèùî êàòî BC751 , BC75L , 8C751, 8C75L ....
     èíòåðíåò íàé-êà÷åñòâåíàòà ñíèìêà êîÿòî íàìåðèõ çà ñåãà å òàçè - îòáåëÿçúë ñúì ñúñ ÷åðâåíà ñòðåëêà âúïðîñíèÿ åëåìåíò: https://ibb.co/m0hFLkT
    Åëåìåíòà å îòêúòåí íà äâå ÷àñòè êàòî åäèíèÿ êðàê å íà åäíàòà ÷àñò äðóãèòå ñà îùå íà ïëàòêàòà íà äðóãàòà ÷àñò.
    Àêî íÿêîé ìîæå äà ïîìîãíå .

    Åäèò: ïðèëè÷à íà âîëòðåãóëàòîð ...
    Last edited by barabata; 31st March 2020 at 17:41.
    Ëè÷åí - Asus ROG Strix SCAR G733QR - Ryzen 5800H/16GB DDR4/RTX 3070
    Ñëóæåáåí - Fujitsu Celsius H760 - i7-6820HQ/32GBDDR4/Quadro M1000M/m2PCIe - 1TB SSD/ SATA - 4 ÒB SSD / 2 TB SATA in caddy/
    Ñêðèò/Hidden: Ìîÿòà æåëåçàðèÿ

  2. #2
    Registered User 3.14's Avatar
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    Îçíà÷åíèåòî íà ïëàòêàòà å VR260, áè òðÿáâàëî äà å voltage regulator.

  3. #3
    Registered User barabata's Avatar
    Join Date: May:2003
    Location: Ñîôèÿ
    Posts: 1,570
    Íàìåðèõ ñíèìêà ñ âèñîêà ðåçîëþöèÿ îò ïðåñðåëèçà https://ibb.co/jRmvjVd - òàì 8C634
    Îò òóê https://smd.yooneed.one/code3843.html çà 8C634 Voltage detector IC
    3.4V±2%, -MR, -Reset PPO, Wt=1.6s, Rt=50ms
    Ïðåäïîëàãàì 3,4 èëè 3,3 âîëòà òðÿáâà äà âîëò ðåãóëàòîðà.
    Ïúðâàòà ìè ìèñúë ïðè ìàðêèðîâêàòà 8C751 èëè 8C75L áåøå 7805 àìà îùå òúðñÿ èíôîðìàöèÿ çà ñåãà.
    Ëè÷åí - Asus ROG Strix SCAR G733QR - Ryzen 5800H/16GB DDR4/RTX 3070
    Ñëóæåáåí - Fujitsu Celsius H760 - i7-6820HQ/32GBDDR4/Quadro M1000M/m2PCIe - 1TB SSD/ SATA - 4 ÒB SSD / 2 TB SATA in caddy/
    Ñêðèò/Hidden: Ìîÿòà æåëåçàðèÿ

  4. #4
    Registered User 3.14's Avatar
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    Ïðîáâàé äà ïðîñëåäèø äàëè çàõðàíâà íÿêîÿ îò ÈÑ, ìîæå îòòàì äà èçâëå÷åø íàïðåæåíèåòî.

    Quote Originally Posted by barabata View Post
    Íàìåðèõ ñíèìêà ñ âèñîêà ðåçîëþöèÿ îò ïðåñðåëèçà https://ibb.co/jRmvjVd - òàì 8C634
    Îò òóê https://smd.yooneed.one/code3843.html çà 8C634 Voltage detector IC
    3.4V±2%, -MR, -Reset PPO, Wt=1.6s, Rt=50ms
    Íå å SOT-89 êîðïóñà. Íà òîçè êîðïóñ èçëèçàò ñàìî 5-âîëòîâè, ïðàòèõ òè êèòàéñêè ëèíê íà ëè÷íè ñ âàðèàíòèòå.
    Last edited by 3.14; 31st March 2020 at 19:59.

  5. #5
    Registered User barabata's Avatar
    Join Date: May:2003
    Location: Ñîôèÿ
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    Å òî òàêà ùå ñòàíå , èëè 3,3 èëè 5 âîëòà ùå äà å .
    Ëè÷åí - Asus ROG Strix SCAR G733QR - Ryzen 5800H/16GB DDR4/RTX 3070
    Ñëóæåáåí - Fujitsu Celsius H760 - i7-6820HQ/32GBDDR4/Quadro M1000M/m2PCIe - 1TB SSD/ SATA - 4 ÒB SSD / 2 TB SATA in caddy/
    Ñêðèò/Hidden: Ìîÿòà æåëåçàðèÿ

  6. #6
    Registered User 3.14's Avatar
    Join Date: May:2013
    Location: òóê òàì
    Posts: 1,423
    http://www.smdmark.com/en-US/ic-61450.html

    Òîçè å ïî 8Ñ7. 12,8V.

    Äà, òîâà èçãëåæäà íàé-âåðîÿòíî, íà ñíèìêàòà åëåêòðîëèòíèòå ñà íà 25 v.
    Last edited by 3.14; 31st March 2020 at 20:15.

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