Maintenance Inquiry System

Help You Fix Computer and Phone Quickly and Successfully

Free Trial

Over 72,000 Resources

Maintenance Database

Schematics, Boardview, Diode Value, Repair Guide, Diode Value

for Computer, Smartphone, Graphics Card and Monitors


Dell / HP / Apple Macbook / ASUS / Acer / Lenovo / Samsung / Microsoft Surface / MSI Laptop Schematics, Boardview, Repair Guide.


iPhone / Samsung / Xiaomi / vivo / Oppo / Realme / Motorola / Honor / Huawei / OnePlus Schematics, Boardview, Repair Guide.


ASUS / GIGABYTE / MSI / ECS Motherboard, Graphics Card, Monitors, TV Schematics,

Boardview, Repair Guide.

$0.12 Per Day

Costs less than $0.12 per day, but increases repair success and saves you valuable time.

No Restrictions

Username no bind computer, Unlimited IP login,

No donglea, any computer and IP can login.

Weekly Update

Maintenance database is kept frequently updated,

Schematics, Boardview for new and old models.

Our Statistics 

You can become a User today









Quick Update

Include our own development, our own production labeling diagram boardview (PCB Layer Boardview).

40+ PCB Layer Model Every Month.

Valuable Maintenance Mark

Safely storaged by cloud server, add the maintenance mark early and share it flexibly.

File interoperability

Double Open Function

Schematic (.pdf) jump Boardview (.pcb), Boardview (.pcb) jump Schematic (.pdf).

Extensive Repair Resources

Course, Schematic, Boardview, Component Notes, Block Diagram, Diode Value, Repair Case, Route Map, etc.

Login Flexibly

Username NO bind computer, NO restrict on IP login, any PC and IP can login.

Email, Username, Google, Facebook

Multi Language

International Multilingual Version Supports: 简体中文, 繁體中文, English, Español, Tiếng Việt, 日本語, Portuguese, Türkçe, بالعربية, Indonesian, Français.

Our Simple

Straight-Forward Pricing

Mobile Phone, Computer

1 Year VIP



1 Account

All VIP Resources Of Mobile Phone And Computer

$0.1 Per Day

No Restrictions

Resources updated weekly

Mobile Phone, Computer

Lifetime VIP



1 Account

All VIP Resources of Mobile Phone And Computer

$0.03 Per Day

No Restrictions

Resources updated weekly

How to upgrade to VIP

The account of this website is not connected to the XinZhiZao software.

You need to register a free software account first, then login to the software and fill in the activation code to upgrade to VIP.

XinZhiZao official website: