Motherboard PCI bus slots circuit and the three main test points

Motherboard PCI bus slots circuit and the three main test points or the motherboard, the bus slot of the test points for the motherboard repair is pci slot on the back of map  For the motherboard, the bus slot of the test points for theMotherboard RepairThere are three main terms: Test Point 1: Reset signal

Mainboard : Size is not the source , the fan did not turn

Mainboard : Size is not the source , the fan did not turn The components of the circuit : Power On foot ( green ) of 20pin jack / 24pin ATX power connector on the motherboard . STB 5V source ( purple line level before ) . STB 3V3 voltage source is from 5V STB

Motherboard Fault Classification and Removal Method 不指定

Motherboard Fault Classification and Removal Method  Motherboard is the most highly integrated PC computer accessory products, is also the most vulnerable parts of a failure. Maintenance of a high level of integration so that it is relatively cumbersome, maintainability getting lower and lower. However, many times computer failure caused by a motherboard is very easy

Mainboard : The inspection step is important when repairing

Mainboard : The inspection step is important when repairing 1 . Check the power circuit size :– Most of the main CPU are not required ( except for some main INTEL CPU is required to enable new sources ) .– If not try removing the source size jack 12V ( 4pin ) to enable testing

Powering today’s microprocessors: Old myths versus modern technology

Powering today’s microprocessors: Old myths versus modern technology phase converters running at 1 MHz per phase, using 2-mΩ MOSFETS and 100-nH SMT inductors to deliver 150A at 1V are no longer a novelty. However, they are relatively inefficient and cannot be packed tightly on the PCB due to excessive heating. Thus, the higher switching frequencies

Memory repair tools

DDR2 function introduction 1. The best auxiliary helper for testing, the most convenient and practical maintenance tool. 2. Twelve years of experience in programming in the DRAM memory industry. 3.Can test DDR2 16M * 16, DDR2 32M * 8, DDR2 32M * 16, DDR2 64M * 8, DDR2 64M * 16, DDR2 128 * 8

شرح لحل عطل الرامات فى الماذربورد اللاب توب

اهلاًبكم جميعاً فى القسم الاحترافى لصيانه اللاب توبموضوع اليوم عن عطل الرامات وسوف نتناول فيه تتبع العطل وطرق ايجاد الحل للتخلص منالعطل بأمر الله .عندما ياتى لنا اللاب توب قاطع رامات يتوجب عليك ان تبداء فى خطوات فحص مبدائيه مثل1- تغير اكثر من رمات على الجهاز2- مسح الرامات جيدا لتنظيف بن او سنون النحاس بها

شرح طريقه تتبع العطل ( والحل بالمخططات)

[vc_row][vc_column][vc_column_text] بسم الله الرحمن الرحيم   كنت أفكر فى وضع الموضوع فى قسم مشاكل المازربورد المحلوله نهائيا ولكن قررت وضعه فى قسم شروحات مخططات المازربورد لإرتباطه الوثيق بالمخططات   دائما أشعر بالمتعه عند كتابتى لدرس من دروس الهاردوير على الانترنت ولكن هذا الدرس كان له متعه شخصيه لأنه أرتبط إرتباطا وثيقا بشئين احداهما وهو استخدامى

شرح توصيل الهاردات Usb على الجهاز

بسم الله الرحمن الرحيم انتشرت في الأونة الاخيرة هاردات اللا بتوب المدمج فيها كونفرتر ال USB والتى لا تعمل على أي جهاز صيانة تابع الصور

Turning on MacBook Pro without power button

Sometimes, when you troubleshoot a MacBook, MacBook Pro or MacBook Air problem you need to turn it on without using the power button. Is it possible? Yes, it is! In these laptops (unibody style) the power button is permanently attached to the keyboard. Basically, it’s a part of the keyboard as you can see on the

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