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تعمیر کامپیوتر در محل 09368755180 - تعمیر لامپ کم مصرف
 
تعمیر کامپیوتر در محل 09368755180
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مدیر سایت : مهندس بهزاد
نویسندگان
شنبه 21 فروردین 1395 :: نویسنده : مهندس بهزاد

روش تعمیرلامپ کم مصرفlamp

  1. اول فیلامان لامپ رو تست کنید.

میتوانید با  مولتی متر (اهم متر) دو سر سیم پیچی که داخل لامپ رفته رو نسبت به هم بگیرید باید تقریبا 2.2 اهم مقاومت باشد. اگر اتصال کوتاه با بینهایت باشه فیلامان لامپ سوخته است.

  1. ترانس چاپر مدار رو تست کنید.

بررسی کنید که سیاه نکرده باشد و اگر نکرده میتونید با اهم متر دوسر آنرا بگیرید تا ببینید اتصال کوتا هست یا خیر که باید اتصال کوتا باشد.

  1. دیود های تغذیه رو چک کنید.

در هر لامپ کم مصرفی به دلیل این که مدار از نوع سویچینگ میباشد اول ولتاژ رو dc میکنند سپس به مدار میدهند.

  1. مقاومت های که روی بیس کولکتور وامیتر ترانزیستورها هست را امتحان کنید.

اگر میخواهید مقاومت را  بدون جدا کردن این هست که مقدار مقاومت رو گرفته و روی اون رو هم میخونیم همونطور که میدونیم یا باید همان قدر که روش نوشته یا کمتر باشه که با این روش تقریبا 90 مقاومت هارو میتوانید تست کنید.

  1. دیود های که روی بیس و امیتر ترانزیستور میباشند را تست کنید.

که اگر روی برد باشن از هر دوطرف از خودشون مقاومت نشون میدن چون با دوتا مقاومت موازی هستن پس باید حتما از مدار جدا بشوند.

  1. خازن صافی مدار رو تست کنید.

خازن صافی مدار همان خازن بزرگی می باشد که معمولا مقدارش 6.8 میکرو 400 ولت یا 10میکرو 400 ولت است.

  1. دیگر خازن های مدار رو تست کنید.

 این خازنها رو روی برد میتونین تست کنین به این شکل که اگه دوسر اونا رو گرفتین اتصال باز (بینهایت) باشد.

  1. فیوز مدار رو چک کنید. 

فیوز مدار باید اتصال کوتاه باشه که اگه سوخته بود میتونین یه سیم نازک به جای آن قرار دهید.

  1. دیاک مدار رو تست کنید.




نوع مطلب :
برچسب ها : تعمیر لامپ کم مصرف،
لینک های مرتبط :
جمعه 4 مرداد 1398 05:30 ب.ظ
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چهارشنبه 2 مرداد 1398 09:25 ق.ظ
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شنبه 1 تیر 1398 12:12 ب.ظ
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چهارشنبه 29 خرداد 1398 01:10 ق.ظ
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دوشنبه 27 خرداد 1398 07:14 ب.ظ
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شنبه 25 خرداد 1398 10:16 ق.ظ
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چهارشنبه 11 اردیبهشت 1398 02:16 ب.ظ
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یکشنبه 15 مرداد 1396 02:20 ق.ظ
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سه شنبه 10 مرداد 1396 11:36 ق.ظ
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یکشنبه 1 مرداد 1396 08:38 ب.ظ
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چهارشنبه 13 اردیبهشت 1396 03:04 ب.ظ
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چهارشنبه 23 فروردین 1396 07:25 ق.ظ
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