In the 80s of the 20th century, like Li Yunhai, there were many self-employed people who set up a table on the side of the road and set up stalls to repair household appliances, as well as those who specialized in repairing bicycles and watches, which were found in almost every town.

The radios of this era are discrete components, and there are two tools such as a multimeter and a soldering iron to work, unlike later generations, household appliances are integrated and intelligent, and they can't be played without special maintenance instruments. Many electrical appliances in later generations can't even see a single screw, so they don't let you fix it at all, and they just throw it away and buy a new one.

Not to mention, the advertising signboard handmade by Linzhi is really good, several grades higher than Li Yunhai's own corrugated paper, and it is placed under the tree, which immediately attracts the attention of many pedestrians. Even illiterate people know that this is a repair booth when they see this sign.

A middle-aged man came over laughing: "Little comrade! I came to you in the morning, why aren't you there? ”

Li Yunhai saw that it was Director Lin, so he quickly got up, took out a cigarette, handed one to him, and said with a smile: "I rented a small storefront and helped someone repair a TV over there in the morning." ”

Director Lin nodded again and again: "It's very good to open a shop, you have this good craft, you can eat with this." Where is the store located? ”

Li Yunhai raised his hand and pointed: "It's at No. 106 Jiuru Lane." Director Lin, if I'm not here in the future, you can go over there to find me. ”

Director Lin glanced at Jiuru Lane, nodded and said, "I know there!" ”

He retracted his gaze and said with a smile: "There is a job, see if you can do it?" One of the computers in our unit has malfunctioned, I wonder if you can fix it? ”

Li Yunhai still has a little understanding of computers in this era, and asked, "What kind of computer is it?" What is the fault? ”

Director Lin thought for a moment and said, "It seems to be an East German computer, I forgot the specific model." I bought it in 1980, and the fault was that it couldn't be turned on. ”

Li Yunhai was happy when he heard it: "Then I have to go and see it!" Director Lin, don't worry, if you don't replace the components, I can fix it today, and if you want to replace the components, then I have to find accessories. ”

Director Lin said: "Okay, then you can go with me to have a look!" ”

Li Yunhai cleaned up the stall and first went to the vendor selling soda next to him to buy two bottles of cold soda.

The soda vendor also got to know him, and while giving him the soda, he smiled and asked, "Did you take another job?" You're doing a good business! ”

Li Yunhai snorted: "Just earn two manual fees, and it's very hard to run around, it's better for you to sell soda!" ”

The soda vendor smiled, believing it, in his mind, how much money can a young man who does repairs make? Those who tinkered with pots, pressure cookers, and bicycles, didn't see them make a lot of money!

Li Yunhai handed a bottle of soda to Director Lin: "You have worked hard for two trips, thank you Director Lin." ”

Director Lin waved his hand, took the soda, and drank it in a few sips.

Li Yunhai also drank the soda, but still returned the bottle to the vendor, and then set off with Director Lin.

When he arrived at the familiar unit, Li Yunhai was taken to the computer room of another building.

Seeing the faulty computer, Li Yunhai called out to the good guy!

This is an East German computer with an all-steel case, an all-steel case for a monitor, and an all-steel case for the keyboard!

The computer was produced in 1980 under the model number Robotron PC1715.

Li Yunhai is not polite, and he will directly start repairing when he comes.

He first checks the circuit, and then disassembles the machine for testing.

Li Yunhai has his own set of maintenance methods and a set of testing procedures.

As long as you follow this procedure, you can definitely determine the fault within ten minutes.

Whether it can be repaired or not, you can also make a judgment.

Inside the case of this computer, the power supply accounts for half of it, and there are two big floppy drives, the circuit board is vertical, the cooling fan is fixed with a sponge to reduce shock, and the fan frame blades are also all steel. The power supply of the monitor is connected to the back of the main unit, there is no hard disk, and it uses a large 5.25-inch floppy disk drive.

Li Yunhai first detected the circuit fault and found that there was no problem.

He also carried out a careful cleaning of the whole machine.

It's time-consuming, but it works well with most older machines.

The workmanship and quality of a machine like this one are absolutely trustworthy and are said to be resistant to nuclear violence!

It's only been four years since I bought it, and logically speaking, there shouldn't be a big breakdown.

Therefore, Li Yunhai judged that the gold finger of a certain part may be worn, or where the contact is poor, or where there is too much dust, or where it is loose.

All in all, in Li Yunhai's view, careful and meticulous cleaning and care can solve about half of the problems of the old machine. It can also improve the operation effect of electrical appliances, reduce the maintenance rate of electrical appliances and the incidence of small problems, reduce the noise of electrical operations, prolong the life of electrical appliances, effectively sterilize and disinfect to remove pathogenic bacteria, and ensure the health of family members.

The average maintenance worker will only repair where it is broken, and it can be repaired in three seconds, and will never waste an extra minute of time.

This is because this kind of meticulous care is really time-consuming and patient, but it is naturally good for the customer and the machine.

In the process of cleaning, Li Yunhai has found the reason why it can't be turned on, because there is a problem with the connection cable between the floppy drive and the motherboard. The floppy drive needs to be plugged and unplugged frequently, and some people will push it very hard, which will affect the wiring port over time, causing loosening, and thus poor contact.

He stopped and looked at Director Lin: "Director Lin, I can fix the failure of this computer." We are also old acquaintances, and I don't shout a high price, just 500 yuan! ”

Director Lin is the director of another department, and this computer is under the management of the senior director of this department, and the two directors discussed.

Director Gao made a happy decision: "As long as it can be repaired, 500 yuan will be 500 yuan!" ”

Director Lin smiled: "Little comrade, did you hear that?" Do it! ”

Li Yunhai agreed, carefully cleaned the interface, sharpened the gold finger at the interface with a screwdriver, took out a soldering iron and solder, and soldered the loose place tightly.

After processing, Li Yunhai loaded the machine.

Boot.

There was a loud whistling sound, which was the normal boot sound of an old computer.

"Huh! I was able to turn it on! Director Lin and the others all let out a shout of surprise.

Li Yunhai installed a floppy drive.

The computer successfully entered the system.

This computer can play Tetris, as well as the earliest snake games.

As long as it is properly maintained, a computer of this quality will not be a problem for another 40 or 50 years. It's just that after a few decades, this kind of computer will not have much use, and it will be just a block and a snake.

"Director Lin, come and see, the computer has been repaired." Li Yunhai smiled and let go of his seat and asked the computer operators of the other unit to test the machine.

In this era, let alone repairing computers, there are not many people who know how to operate computers.

There can be one or two staff members in the unit who understand computers, that is, high-tech talents, who can take charge of the keys to the computer room.

In some units, in addition to the computer room, there is also a special copy room, and even the copying is also responsible for the special person, and others are not allowed to start the operation without permission.

Employees who operate computers and photocopiers are also skilled workers, and their wages are higher than those of ordinary people, and their work is easy and respected.

Therefore, in this context, Li Yunhai can repair a computer bought back for tens of thousands of yuan, which is particularly powerful!

Director Lin nodded with satisfaction, Li Yunhai was the repairman he called, he completed the task excellently, and he also put gold on his face, he was naturally happy.

Director Gao gave a thumbs up: "I didn't see it, little comrade, you are so amazing!" No wonder Director Lin highly recommends you! ”

Li Yunhai smiled modestly, thinking that he had made friends with Director Lin, and it seemed that he had made the right friend.

He successfully earned 500 yuan!

It is equivalent to his salary for 15 months in Meishan County Machinery Factory.

After Li Yunhai collected the money, he came to the sugar tobacco and liquor store where he bought tobacco and alcohol last time.

Or the male salesman who was on duty before, he actually remembered Li Yunhai, and when he saw him, he stepped forward and said with a smile: "Comrade, are you here to buy tobacco and alcohol again?" ”

Li Yunhai nodded, looked around, and saw that there was no one else, so he said: "I don't have a ticket, I want to buy four bottles of Moutai, two three- or five-brand cigarettes, you give me separate packs." It's the same price as last time. ”

The male salesman had a knowing expression on his face, and said in a suppressed voice: "Understand, you still have to wrap it in newspaper?" ”

Li Yunhai smiled slightly and took out the money.

He didn't have a ticket, so he negotiated for it.

The original price of Moutai was eight yuan, and the negotiated price was 10 yuan per bottle.

Four bottles of Moutai are 40 yuan.

Three-five brand cigarettes cost 31 yuan a piece, and two cigarettes cost 62 yuan.

Li Yunhai counted out 102 yuan and handed it to the salesman.

The salesman was also a good person, and asked curiously: "Little comrade, which unit are you from?" Being able to spend so much money on cigarettes and alcohol to give favors shows that your income is far more than that. ”

Li Yunhai smiled mysteriously.

The salesman didn't ask any more questions, took four bottles of Moutai and two three- and five-brand cigarettes, wrapped them in old newspapers, and then packed them into several net bags.

Li Yunhai went out with cigarettes and alcohol.

Of these two gifts, one was given to Director Lin, and the other was given to Director Wu of the bank. Last time, Director Wu also introduced a photocopier maintenance order from the head office to him, and he didn't have time to give a gift.

Whether it is Director Lin or Director Wu, they are all connections that Li Yunhai wants to maintain.

There is no road in the world, but when there are many people walking, it becomes a road.

There are no connections in the world, and if you move around a lot, it becomes a circle.

Li Yunhai has no relatives in the provincial capital, so he can only make friends through his own efforts.

Repair, in the final analysis, is also a business, selling technology and services.

Many times, business is not just business, but also sophistication.

Too many people don't understand this truth, so the business can't be viable, and it can't be big.

Li Yunhai thought about it, turned around, returned to the tobacco and alcohol store, and spent 51 yuan to buy an extra gift.

It was still early, and Li Yunhai couldn't wait here for Director Lin to get off work, so he deposited the other two gifts in the tobacco and alcohol store, and then carried one to the doorman of Director Lin's unit.

Li Yunhai took out his own cigarettes, took out two, and handed a double to the guard.

The guard recognized him and took it with a smile.

Li Yunhai put the gift given to Director Lin on the table in the guard room, and said with a smile: "Big brother, this is a little souvenir brought from Director Lin's hometown from his hometown, he is at work, I am inconvenient to go in and disturb, when Director Lin gets off work, please give it to him." If he asks who brought it, you just say that Li Yunhai is fine. ”

The guard had seen Li Yunhai several times, and he readily agreed.