Step 1 : When there is no chip on the locking seat,input the type of 25XX in “Enter Chip Printing”;
![](https://box.kancloud.cn/43456bef74f75ac2a1c75bfa120bf048_462x202.png)
Step 2 : Click![](https://box.kancloud.cn/fe21f1eb1da4098cfe19051b2dbeaa6a_112x36.png),it will hint that there is no chip or the locking seat hasn’t been impacted well,which is normal;
![](https://box.kancloud.cn/a78b99241d898bca6d5f49b475919086_381x147.png)
If it hints that there may be a pin empty solder;
![](https://box.kancloud.cn/fd11fa8ead2ea52b35d666d2ac94b230_393x162.png)
Attention : In the case of that some users have no test board,as long as the selftest 0 and 25 chip test pass,the machine is normal.
If there is other hints when doing selftest 0,the way to deal with it could be as following:
![](https://box.kancloud.cn/f62745e69f9b5a93ea84a50e38cff41f_497x157.png)
The problem of connection with computer and the programmer,please step-by examine according to the hint of failure process;
![](https://box.kancloud.cn/6d004259bee39b259cd458ab0bde0340_491x112.png)
Hardware trouble like pin electric leakage,problems inside the pins,VPP open circuit,GND open circuit,VPP short circuit,VCC short circuit,GND short circuit,VPP protection not shut off,which must be returned to factory to repair.
- Note
- Manual Organization
- ⅠGeneral Description
- 1.1 What is RT809H?
- 1.2 Programmer Characteristic:
- 1.3 System Requirement
- 1.4 Programmer External Port Instruction
- 1.5 Programmer Packing
- Ⅱ Installing
- 2.1 Software download
- 2.2 Installing the Main Software
- 2.3 Manual Installing the drivers
- 2.4 Installing tool chain panel
- Ⅲ The Software Instruction
- 3.1 Software Interface Instruction
- 3.2 The Toolchain
- Ⅳ Detailed Operation
- 4.1 24XX,25XX,93XX Series Chips’ Reading and Writing
- 4.1.1 93XX’s Reading and Writing
- 4.1.2 24XX,25XX’s Reading and Writing
- 4.2 PLCC Encapsulation Chip’s Reading and Writing
- 4.3 TSOP48 Encapsulation Chip’s Reading and Writing
- 4.4 EMMC’s Reading
- 4.5 Laptop EC Chip’s Reading and Writing
- 4.5.1 1:85XX Series EC Chip’s Reading and Writing
- 4.5.2 KB9012 Chip’s Reading and Writing
- 4.5.3 NPCE 288,388 Chip’s Reading and Writing
- Ⅴ ISP (on-line) Application Instruction
- 5.1 Checking Liquid Crystal Board Printing Message
- 5.2 LCD TV Mainboard Program’s Transcription
- 5.2.1 MST scheme
- 5.2.2 Burning Method
- 5.2.3 MTK Scheme Flashing Method
- 5.2.4 RTD Scheme
- 5.2.5 EMMC_ISP Reading and Writing Tutorial
- 5.2.6 On-line Reading IT85XX Series Laptop EC Chip
- Ⅵ Laptop EC Chip MEC16xx Read-Write
- Ⅶ Secure CRT Software Installation
- Ⅷ Common Problem Diagnosis
- 8.1 Installing the software and driver unsuccessfully
- 8.2 Programmer Unconnected with the Mainframe
- 8.3 The use of programmer selftest command,to check if there is problem itself
- 8.3.1 Selftest way 1:
- 8.3.2 Selftest way 2 :
- 8.4 The Method of Solving the Problem When reading 25XX,24XX,93XX
- 8.4.1 Handling Method
- 8.5 The Method to Solve the Problem of Off-line Read and Write EMMC
- 8.6 The Method to Deal with the LCD Mainboard Printing Information Messy Code
- Ⅸ Guarantee clause:
- Ⅹ Contact Information
- Self-testing