"Deputy Director Jiang, ...... Let's test the board where I change the CPU first, and you're going to put it back and test it later, how about it?"

Zhang Chenglin, maintenance supervisor, suggested. Pen % fun % Pavilion www.biquge.info

"Oh, whatever you want!"

Regarding Zhang Chenglin's proposal, Jiang Ning nodded indifferently.

"Okay, in that case, then...... Xiao Wen, you go, first test all my PCB boards, verify all the functions, and see if there is any problem! Xiao Zhao, you get all these boards repaired by Deputy Director Jiang, Xiao Wen has finished testing, you continue to test. ”

Zhang Chenglin commanded the two younger brothers of the maintenance department under him.

"Yes, boss!"

The two younger brothers immediately carefully wrapped Zhang Chenglin and Jiang Ning's PCB boards with air bags, and then walked towards the test fixture.

Because he was worried that the two boys in the maintenance room were making trouble, when Xiao Zhao wrapped Jiang Ning's PCB board, Shen Jia and the employees of the hardware department all stared, looked carefully, and looked at Xiao Zhao straight hair, and even, when he wrapped Jiang Ning's PCB board, he was more attentive than Xiao Wen wrapped Director Zhang, otherwise, he was worried about being beaten by the people from the hardware department around him.

Following the two people who took the PCB board, everyone in the laboratory also came to a test fixture not far away.

Since the detection is PCB light board, mobile phone screen, camera, speaker, motor and so on, these things are not available, so it is necessary to use a 'test fixture' to detect the quality of the board.

The so-called test fixture is specially used to test this PCB light board, there are many 'thimbles' on it, when testing, use these thimbles to push to the test points on the light board, and those thimbles are connected to the mobile phone screen, camera, speaker, earpiece These external devices, so that the light board is 'external' to these devices, only need to test its response function on the fixture.

The little brother called 'Xiao Wen' picked up a piece of Zhang Chenglin's PCB board, and then put it on the test fixture, and then, pressed down, and a row of thimbles on the test fixture was pushed to a row of test points on the PCB light board.

Among these test points are mobile phone screens, cameras, speakers, earpieces, motors and other external devices, as well as power and power buttons.

In this way, the whole PCB board and test fixture actually constitute a 'mobile phone', and only one item is needed to test its various functions.

In the company, in order to simplify the test, there is obviously a more convenient way, that is, there is a special set of programs in the mobile phone, which can be used to conduct automatic testing, which is very fast.

To start this automatic test program, all you need to do is turn on your phone and press a string of test commands.

After Xiao Wen pressed down the fixture, he pressed the boot button, and with a pleasant boot bell, the phone started, so far, it shows that the CPU replaced by Zhang Chenglin is at least no problem to boot, of course, this is only one aspect of the test.

After the device was fully turned on, Xiao Wen suddenly quickly pressed a string of test instructions, and then, the mobile phone ran the automatic test program, and everyone quickly looked at the mobile phone screen, only to see that the test interface began to pop up on it:

Initiation of automatic test routines;

Start testing!

The first item, the phone screen, the test begins......

The phone screen test is complete, PASS!

The second item, the camera, the test begins......

Front camera, rear camera test complete, PASS!

The third item, the horn, the test begins......

Horn test complete, PASS!

……

As the lines of data on the mobile phone screen continue to scroll, the various functions of the mobile phone are quickly tested one by one.

After about a minute, a green dialog box finally popped up on the phone screen, which displayed: All functions of the phone have been tested, all passed, PASS!

"Wow! The first board passed!"

At this time, a girl in the maintenance department couldn't help cheering, and while cheering, she didn't forget to throw a provocative look at Shen Jia and them.

That means it goes without saying, there is no problem with the first PCB board test in our supervisor, are you envious?

"Humph!"

Shen Jia saw the other party's provocative eyes, and couldn't help but snort coldly and didn't pay attention to it.

Next, the second PCB board was tested, placed on the fixture, and the automatic test program was started.

The test of each function of the mobile phone has been completed, all passed, PASS!

The third board: the test of each function of the mobile phone is completed, all passed, PASS!

The fourth board: the test of each function of the mobile phone is completed, all passed, PASS!

……

It was not until the 18th circuit board was tested that the automatic test program was carried out, and when the camera was detected, there were some problems with the rear camera, and this board did not completely pass the test.

However, when the 19th and 20th boards were tested, they all passed again without any problems.

So far, among Zhang Chenglin's 20 PCB boards, only one has a problem, then, the last time he spent is 11 minutes and 12 seconds, plus 1 minute penalty time, that is, 12 minutes and 12 seconds!

"Hahaha...... Brother Cheng Lin, amazing, really powerful, only one piece has a little problem, tough, really strong!"

At this time, Zhang Sanshi, the software director, couldn't help but praise Zhang Chenglin.

"Director Zhang is mighty and domineering! In such a short period of time, twenty CPUs have been replaced, and only one of them has a problem, strong!"

"Director Zhang is simply our role model, hahaha......"

……

Suddenly, the employees of the maintenance department, the software department, and even the structure department couldn't help but compliment one by one.

Of course, everyone is not all touting, Zhang Chenglin's achievement, it is indeed worthy of pride and praise, it only took about ten minutes, replaced twenty CPUs, and in the end only one had a small problem, just this speed and success rate, other maintenance engineers in the company, can not catch up.

"Hey...... If I hadn't set the temperature to 400 degrees, I was confident that I would have been able to increase the success rate to 100%. ”

For everyone's praise, Zhang Chenglin was happy in his heart, but he was still complaining in his mouth, just like a school bully, when others saw him score 98 points and his eyes were red, he came and said, hey, I didn't do well in the exam, I didn't do well in the exam, I should have scored 100 points......

"Hmph, if you don't raise the temperature by 100 degrees, which is much longer than Brother Jiang's, why don't you say it?"

Hearing Zhang Chenglin's pretending words, the little girl Shen Jia suddenly muttered unhappily.