What does it mean when the radio shows SZR?

This is mainly because its motherboard is faulty, and it is recommended that you replace it with a new motherboard.

The radio shows that this is generally the power supply voltage, under normal circumstances, see whether the battery is installed properly, and then see if there is a problem with the radio speaker, at this time you need to judge the potential.

You can also take a look at the display circuit, which may be a display circuit fault.

This should be a line abnormality, you can turn it on again.

I guess there's something wrong with your card, right? Or maybe there's something wrong with that radio.

What does it mean to show 20j two in the middle? I think it's possible that this is due to the fact that his network is unstable all of a sudden, and he doesn't accept it.

I don't know what it means, because I'm not a professional, so I don't know.

Mobile phones are not household appliances, but communication products.

Household appliances (HEA) mainly refer to various electrical and electronic appliances used in homes and similar places. It is also known as civil electrical appliances and daily electrical appliances. Household appliances liberate people from heavy, trivial and time-consuming housework, create a more comfortable and beautiful living and working environment for human beings, and provide rich and colorful cultural and entertainment conditions, which have become the necessities of modern family life.

Household appliances have been around for nearly 100 years, and the United States is considered the birthplace of household appliances. The scope of household appliances, different countries, the world has not yet formed a unified classification of household appliances, some countries will be lighting appliances as a category of household appliances, audio and video appliances included in the entertainment appliances, and entertainment appliances also include electric electronic toys.

Household appliances, abbreviated as household appliances, are appliances that are powered (or mechanized) with electrical energy to help perform household chores, such as cooking, food preservation, or cleaning, and can be used in a company or industrial setting in addition to the home environment. Basically, household appliances are divided into large appliances (white goods, black goods) and small appliances.

The classification method of household appliances has not yet been unified in the world. However, it is more common to classify products according to their functions and uses, and they are roughly divided into 8 categories. Refrigeration appliances.

Including household refrigerators, cold drink machines, etc. Air conditioner. Including room air conditioners, electric fans, ventilation fans, hot and cold air vents, air dehumidifiers, etc.

Clean the appliance. Including washing machines, dryers, irons, vacuum cleaners, floor waxers, etc. Kitchen appliances.

Including electric stoves, microwave ovens, induction cookers, electric ovens, rice cookers, dish washers, electric water heaters, food processors, etc. Electric heaters. Including electric blankets, electric quilts, water blankets, electric heating suits, and space heaters.

Cosmetic care appliances. Including electric shaver, hair dryer, hair cooker, ultrasonic washer, electric massager. Acoustic and imaging appliances.

Including miniature projectors, televisions, radios, tape recorders, video recorders, video cameras, sound combinations, etc. Other electrical appliances such as smoke and fire alarms, electric bells, etc.

In the KA classification, mobile phones belong to the communication category. Mobile phones do not belong to the category of home appliances, and belong to category 3C together with computers.

That's right, mobile phones do not belong to the category of home appliances, but to the category of communications.

Beige appliance bar.

But I said it's a digital appliance.

It can be achieved.

The practical application of today's smart home is to implant control chips in home appliances through mobile phones.

Yes, as long as the mobile phone can support the Internet function, I have tested OK, but the program needs to be improved.

Absolutely, remote control is already available now.

Yes, but you need to add a receiving circuit to your home appliances.

Mobile phones should be considered home appliances, and the following are references.

Is it cost-effective to pay in installments for buyers? 20 March 2006. Suning Electric.

I like to change my mobile phone very much, I used to spend two or three thousand yuan to buy a trendy mobile phone just bought and found that the stinky street, now I can enjoy it half a year in advance, and the feeling of leading the trend is very good.

Dizzy, home appliances, how can you include it!

It shouldn't count, just like the ** machine at home, calculator,

It is made up of these major parts:

CPU: On-board processor, generally with a frequency of about 100 low-power processors, major mobile phone manufacturers have their own mobile phone processors.

Power chip: responsible for providing power control for the mobile phone motherboard.

Audio IC: Responsible for the sound output and conversion of **, such as Yamaha chip font: built-in fonts and font library for display.

Amplification chip: amplify the signal of the microwave base station.

Antenna: Transmits and receives signals.

Memory: Where the data is stored inside the mobile phone, some mobile phones provide external interfaces to expand the camera: there are lenses and photosensitive chips, and there are many mobile phone cameras that can be externally connected, that is, the camera processes the light signal and then dumps the data into the memory of the mobile phone.

Of course, there are also external display devices, from the early grayscale display to the current liquid crystal display with up to 650,000 colors.