Countercurrent 1982

Chapter 543 The Achievements of Self-study

"Can you sell me the radio in this car?" Duan Yun glanced at the car radio, then turned his head and asked Wang Baoguo, the deputy factory director.

"This is just a scrap car. It has been sitting in the garage for many years. I don't know if the radio on this car can be used. If you need it, I will ask the workers to unload it. You can just take it away. , forget about the money, I’m in charge of this matter.” Wang Baoguo said very simply.

"Thank you so much!" Duan Yun said gratefully.

"It's nothing, it's a scrapped thing." Wang Baoguo smiled when he heard this, and then turned to let the master of the small car class get the tools and unload the car radio.

When the radio was taken out of the car, he was somewhat surprised. This car radio was much more clumsy than he imagined. It was about the size of his desk drawer, but it was very heavy. Duan Yun had two It can only be hugged by hands, and it is a bit difficult to hold.

After putting the radio in the trunk of his 212 Jeep, Duan Yun thanked Wang Baoguo, and then drove away.

This time Duan Yun did not drive back to the factory, but went directly to his workshop in Sipailou.

"Brother, what are you holding?" Seeing that Duan Yun parked the car at the door of the shop and lifted out a drawer-like thing from the trunk, Cao Dong asked curiously.

"What are you looking at? Hurry up and help me." Duan Yun greeted Cao Dong.

"Eh." Cao Dong immediately stepped forward and took the car radio in Duan Yun's hand.

"Put it in the backyard." Duan Yun ordered Cao Dong.

Then the two came to the backyard of the shop together.

At this moment, in the back of the shop, Cui Lin and Lei Zi were working. Seeing Duan Yun come in, they all stopped their work.

"Brothers, come here." Duan Yun motioned for everyone in the courtyard to gather, and then asked Cao Dong to put the car radio on the table in the courtyard.

"What kind of treasure is this?" After putting the car radio on the table, Cao Dong immediately took out a cigarette and handed it to Duan Yun, and Lei Zi immediately took out a match to help Duan Yun light it.

"Clean up this radio for me, dip a sackcloth in alcohol, be careful not to damage the wires and circuit tubes inside." Duan Yun said to the two after taking a puff of cigarette.

Upon hearing this, the three of them immediately took out the linen and liquor from the house, and carefully wiped the car radio.

After pouring out the dust inside and removing some rust and dirt on the wiring, the electronic components inside immediately revealed their true appearance.

The control panel of the radio has the logo of "Shanghai Radio No. [-] Factory" printed on it, and it is from Veuve Clicquot. There are two knobs on the panel to adjust the band and volume.

From the nameplate on the back of the radio, we know that this Veuve Clicquot car radio is a product from the mid-70s, and the power amplifier is 3AD6 push-pull with an output of 7 watts.

This is definitely an antique car radio. The shell is made of 1.5mm iron plate, with two high amplifiers and three intermediate amplifiers. The material is very thick. But the solder joints are quite strong.

Duan Yunchi looked at the circuit board for a while, and soon he roughly figured out the output principle of this circuit board. Generally speaking, the power of this car radio is higher than that of ordinary household radios. You can see It's like an enhanced version of a home radio.

"Brother, where did this radio come from? It looks strange?" Cao Dong also found out that it should be a radio, and immediately asked Duan Yun.

"This is the car radio in the car, which is more advanced than the one we use at home." Duan Yu didn't explain the principle of this radio to Mr. Cao's people too much, but just said to them: "You three come over and take a good look here circuit board, and now go to the house and get me a pen and paper, and draw a complete circuit diagram."

By doing this, Duan Yin obviously wanted to test the electronic skills of Cao Dong, Cui Lin and Lei Zi.

When Duan Yun came here to drink, he asked the three of them to study electronic technology hard. If they set up an electronic factory in the future, they may have to select the backbone of management technology from among them.

There is no way for Duan Yun to do this. The young workers around him who are loyal to him are basically not highly educated. Logically speaking, they should not be selected as the backbone of management technology. Duan Yun couldn't recruit high-level talents for a while. Basically, high-educated talents were scrambled by major state-owned enterprises as soon as they left school. In desperation, Duan Yun could only select generals from among the dwarfs, and cultivate and select future talents from among them. The backbone of the electronics factory.

After hearing Duan Yun's words, the three of them immediately found paper and pens, removed the circuit board from the box, and began to draw circuit diagrams on the paper.

Cao Dong, Cui Lin and Lei Zi did listen to Duan Yun's words, they worked during the day and started to read books at night.

When they were in school, the three of them did not study well, mainly because they were too playful and didn't focus on their studies at all.

But it’s different now, since they followed Zhao Yun, the three of them have made a lot of money, and they’ve also seen how Duan Yun quickly made a fortune by relying on technology, so Duan Yun is the idol of the three of them, and they must listen to what Duan Yun says, Even if you don't like learning, you have to bite the bullet and learn.

So ever since Duan Yun came here to drink and told them to study electronic technology, the three of them gradually gave up the habit of playing poker at night, read books in their arms when they had nothing to do, and communicated with each other. It was an easy task, but after studying for a period of time, the three of them made rapid progress in electronic technology and had already learned to draw basic circuit diagrams.

The other three people have done soldering circuit board work before, so it is not difficult for Duan Yun to ask them to draw the circuit diagram this time. After wiping and cleaning the car audio circuit board, the three people carefully observe the circuit The board was drawn.

And when Duan Yun finished smoking a cigarette, Lei Zi was the first to finish drawing.

Then Cui Lin and Cao Dong also drew the circuit diagram.

In fact, the circuit diagram of this kind of radio is not difficult for the three people who have often dealt with circuit boards before.

Duan Yun picked up the circuit diagram drawn by the three of them and looked at it, then nodded in satisfaction.

Although the blueprints are somewhat sloppy, the connections of the originals are clearly marked, and Duan Yun can easily understand the construction principles.

"It's not bad." Duan Yun smiled slightly at the three of them, and then said, "It seems that you have made rapid progress during this period, and you usually read a lot, right?"

"Brother Duan asked us to study, we must study hard, otherwise we won't be able to follow in Brother Duan's footsteps." Cao Dong said with a smile on his face.

(End of this chapter)