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zll

Joined: 2021-11-01
Articles: 531

Smartphone & Pad Repair Guide

Xiaomi 12 S Ultra bluetooth can’t be opened (WiFi pad drops)

Xiaomi 12 S Ultra Bluetooth can't be turned on. When the motherboard is removed for inspection, it is found that the motherboard has traces of falling. It is speculated that the chip may be dropped. When the WiFi is removed, it is really a pile of points at the bottom corner of the chip. Find the problem, reinstall the WiFi, and then turn on Bluetooth, which can be used normally.

zll
2023-07-17

Smartphone & Pad Schematics

The Schematic, Circuit Diagram PDF file for Samsung S7230E original drawings

The Schematic, Circuit Diagram PDF file for Samsung S7230E original drawings. File info Pages: 50 Format: PDF File Size: 5.45MB Schematic Preview Samsung S7230E original drawings Download Download XinZhiZao maintenance software to view the full Samsung S7230E original drawings.

zll
2023-07-15

Laptop Repair Guide

HP TPN-C133notebookNon-startup maintenance

HP TPN-C133notebookNon-startup maintenance “Machine model” HP TPN-C133 【 Fault phenomenon 】 There is standby current, which does not trigger. [Maintenance process] After receiving a machine that is not triggered by HP Light and Shadow Wizard TPN-C133, first remove the motherboard…

zll
2023-07-15

Smartphone & Pad Repair Guide

IPhone 11 white apple does not boot after restarting (middle layer virtual welding)

An iPhone11 white apple doesn't start when it is restarted, which is usually caused by external equipment, system, hard disk and middle layer. We can find out the cause of the failure one by one. Find out the reasons and analyze the specific problems. Please see below for content analysis:

zll
2023-07-15

Smartphone & Pad Repair Guide

IPad Air 4 is not charged and turned on (PD chip CD3217 is damaged)

IPad Air 4 is not charged and turned on (PD chip CD3217 is damaged) [Fault model] iPad Air 4 【 Fault Phenomenon 】 No charging, no startup [Maintenance process] I received a machine sent by a customer for repair, the…

zll
2023-07-14

Laptop Repair Guide

ASUS X55JX does not trigger from time to time (poor standby power supply of bridge)

ASUS X55JX does not trigger from time to time (poor standby power supply of bridge) “Fault model” ASUS X55JX “Fault phenomenon” does not trigger from time to time [Maintenance process] I received a machine sent by a customer for repair,…

zll
2023-07-14

Smartphone & Pad Schematics

The Schematic, Circuit Diagram PDF file for Schematic diagram of Huawei Mate RS

The Schematic, Circuit Diagram PDF file for Schematic diagram of Huawei Mate RS. File info Pages: 41 Format: PDF File Size: 2.00MB Schematic Preview Schematic diagram of Huawei Mate RS Download Download XinZhiZao maintenance software to view the full Schematic diagram…

zll
2023-07-14

Laptop Repair Guide

HP Laptop 14 didn’t respond when it was turned on. Here comes the repair tutorial

Received an HPnotebookThe computer was not turned on when it was flooded. After disassembling, it was found that many places were seriously corroded. After cleaning up the corrosion, there was no organization or abnormality. The specific maintenance process is as follows:

zll
2023-07-13

Smartphone & Pad Repair Guide

Huawei P40Pro does not boot (temporary damage causes it not to boot)

A Huawei p40Pro, the fault is not turned on, which is caused by temporary storage damage. How to repair it specifically? Let's take a look at it in detail!

zll
2023-07-13

Smartphone & Pad BoardView

The Schematic, Circuit Diagram PDF file for Samsung S8530 original drawings

The Schematic, Circuit Diagram PDF file for Samsung S8530 original drawings. File info Pages: 38 Format: PDF File Size: 7.83MB Schematic Preview Samsung S8530 original drawings Download Download XinZhiZao maintenance software to view the full Samsung S8530 original drawings.

zll
2023-07-13