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yx

Joined: 2021-11-01
Articles: 558

Laptop Repair Guide

Samsung NP-R428 notebook does not trigger repair

After removing D516, the standby chip is no longer hot. Short circuit was found in the third pin of D516, which was only 30 to the ground. The circuit diagram shows that P3.3V_MICOM connects two resistors and three capacitors. Troubleshooting after removing the capacitor.

yx
2023-04-06

Laptop Repair Guide

Shenzhou Feitian U147 notebook is not turned on for repair

Shenzhou Feitian U147 notebook is not turned on for repair Machine model: Shenzhou Feitian U147 notebook Fault symptom: the notebook does not turn on. Maintenance process: Shenzhou Feitian U147 notebook, standby at 0.010, press the switching current to 0.099, then…

yx
2023-04-05

Laptop Repair Guide

Shenzhou Feitian U147 notebook is not turned on for repair

yx
2023-04-04

Desktop PC BoardView, Desktop PC Schematics, Laptop BoardView, Laptop Schematics

The Schematic, Circuit Diagram PDF file for Lenovo Zhaoyang E46A Drawings

The Schematic, Circuit Diagram PDF file for Lenovo Zhaoyang E46A Drawings File info Pages: 37 Format: PDF File Size: 1.70MB Schematic Preview Download Download XinZhiZao maintenance software to view the full MSI Motherboard 7640-14-0622 Schematic Diagram.

yx
2023-04-03

Desktop PC BoardView, Desktop PC Schematics, Laptop BoardView, Laptop Schematics

Golem / Talos (L14 / L15 Gen3)AMD Ryzen Barcelo Schematics

The Schematic, Circuit Diagram PDF file for Golem / Talos (L14 / L15 Gen3)AMD Ryzen Barcelo File info Pages: 37 Format: PDF File Size: 1.70MB Schematic Preview Download Download XinZhiZao maintenance software to view the full MSI Motherboard 7640-14-0622 Schematic Diagram.

yx
2023-03-31

Laptop Repair Guide

Mechanical Revolution Deep-sea Ghost Z2 Air Notebook Maintenance without Bootin

Mechanical Revolution Deep-sea Ghost Z2 Air Notebook Maintenance without Booting. Measure 3.3V to ground, and the resistance is zero, which means 3.3V short circuit protection. 3.3V power supply is distributed at dozens of points on the motherboard, which burns the…

yx
2023-03-31

Laptop Repair Guide

HP DA0R13MB6E1 notebook can’t be repaired with 3V5V.

Hp DA0R13MB6E1 notebook does not produce 3V5V, so you can try to replace the stable capacitor first, and then replace the chip. What is shared below is the process of changing the line.

yx
2023-03-30

Laptop Repair Guide

Troubleshooting of Apple iPhone 12 mobile phone not turning on

Connect the power supply at the two terminals to the 1.8v burner. It was found that the rosin on the surface of a capacitor melted, and the resistance of the two terminals was normal after deduction, and the main board was no longer leaking when it was powered on, and the current jumped normally by pressing the power-on key.

yx
2023-03-30

Laptop Repair Guide

Asus ZX53VW notebook water graphics card does not recognize card repair

Asus ZX53VW notebook water graphics card does not recognize card repair Machine model: ASUS ZX53VW notebook Main board number: GL553VW MAIN BOARD REV:2.0 Fault phenomenon: The seller described that the temperature of the notebook was too high to play games,…

yx
2023-03-29

Smartphone & Pad Repair Guide

Repair of Huawei Mate Xs 5G folding screen mobile phone when it is not turned on

After replanting the CPU, the machine was turned on, and the fault remained, so the upper cover was replaced. The covers of Kirin 970, 980 and 990 are universal, and Huawei Mate XS has only one configuration, 8G+512, so find an 8G cover of Kirin 980 to install. The boot is normal and the fault is repaired.

yx
2023-03-29