iFix Technology Exchange Program

shirleyhuang

Planning time

15-30 days

Communication mode

Actual practice in the daytime, 8:30-18:00；

Theory learning and exchange,practice summary in the evening, 19:00-21:00；

Take a day off on Sunday.

Exchange place

iFix headquarters office

Exchange content

Smart TV mainboard maintenance, the content including theory and practice.

Theory

1. The Android mainboard framework and features;

2. Understand the characteristics of chip schemes in various manufacturers;

3. The working conditions of CPU will be explained in detail;

4. Learn the power supply circuit and the timing circuit in detailed;

5. Detailed explanation of EMMC bus Protocol and its Application in various brand mainboard;

6. Explain the bootstrap program in detail;

7. The bootstrap burning mode of the different  manufacturers chip scheme(manufacturer burning mode and RT809H programmer burning mode);

8. Linux kernel startup process;

9. DDR bus and circuit structure will be explained in detail;

10. System software  startup process;

11. Explain all kinds of chip scheme printing information;

12. Detailed understanding of all kinds of chip program console command;

13. Malfunction cases analysis.

Practice Operation

1. Master welding skills(chip components and large chip welding skills, all kinds of BGA chip welding skills, and BGA rework station);

2. Familiar with the distribution of each circuit on the mainboard;

3. Understanding the function, and maintenance judgment and processing schemeof sequential circuit from the practice operation;

4. Master various software burning methods;

5. In practice, the malfunction location and maintenance process are judged by the printing information;

6. Actual practice EMMC circuit;

7. Actual practice DDR circuit

Fee

Us $1999, including English translation

Number of people

Less than 5 persons, arranged according to the order of registration

Accommodation

iFix help you rent a house

Contact information

Tel:020-28667686（Sally）

E-mai：2645917254@qq.com

WeChat: songli19921013

tamvn

Thank you very much