Head unit Opel Astra H can be of several types. We read below about what models these are, as well as how to install the radio and troubleshoot various problems.
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General information
When purchasing a car, you need to be prepared for the fact that some components may not be to your liking and will have to be replaced. Sometimes this is necessary because there are problems. We will learn about what problems can occur and how to fix them from the material below.
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Possible failures and malfunctions in the operation of the head unit
Multimedia begins to "act up": turn on every other time, suddenly turn off. Of course, if at this time the car is under warranty, it is better to contact a car service so that professionals can deal with the problems. And if the deadline has long passed, you can solve the situation without outside intervention.
To eliminate this, you need to do the following manipulations:
- Disconnect all contacts and remove the radio from the dashboard.
- Disconnect the panel from the side of the connectors and check if the wires are oxidized.
- If oxidation occurs, the wires must be stripped and bent.
- Return the structure to its place, make adjustments
If the radio buttons do not work, it may be necessary to process the space between them and tighten the cables. This is done in the same way as in the previous version. You need to wipe the parts very carefully.
If there are problems with sound, that is, in general, the radio is working, the display is on, the buttons are functioning and even songs are turned on, but the speakers are silent, you can try changing the amplifier. If the solution did not help, there is only one way out - contact the repair of audio and video equipment.
Factory head unit selection options
Choose a stereo system according to the make and model of your car.
For Opel Astra H, there are such regular car radios in priority:
- CD30 and CD30 MP3. This type of head unit is made with the latest features. The radio tape recorder has six channels recorded manually and six channels recorded in the memory of the device. There is even a disc drive, so the possibility of listening to music is increased. Among other things, you can also use the function of connecting the phone to the car radio.
- CDC40 Opera. Here, the number of buttons has been increased to 9, unlike previous models. The possibilities are also increased. For example, an additional button "Sound" appeared. Regarding other differences, an improvement in sound compared to previous versions can be noted.
Installation Guide
The car radio must initially be installed correctly and without errors. This is a simple process, it is not so difficult to understand it. However, errors can lead to the death of the car radio, or even a short circuit. You need to install the car radio, focusing on the instructions provided with the equipment. Each model may have different markings, availability of wires and connectors.
The action plan is straightforward:
- It is necessary to mount the car radio box in the standard socket in the dashboard.
- Connect all wires using the ISO connector. The block with contacts from the radio must be connected to the appropriate connector in the car.
- A typical device connection scheme implies that on the left side the ISO connector is responsible for power supply, as well as controlling the stereo system. The right one is for connecting to the speaker system.
- There are three wires in the wiring block that are responsible for power: yellow, red, black. Yellow is the main power wire. Red controls the activation of the device from the car's ignition switch. The black wire must be connected to the negative terminal of the battery.
- In the instructions, you can also see recommendations for connecting speaker wires and special wires responsible for individual functions.
Issue price
Thanks to the photos, you can see the appearance of regular radios, as well as compare the price in order to have an idea of which device is more profitable to purchase.
Any car trip becomes more comfortable if accompanied by your favorite music. Therefore, the radio plays a very important role in any car. Since the radio tape recorder is a complex electronic device, certain malfunctions often occur in its operation. One of the common breakdowns of the car receiver is the lack of backlight. This can cause very great inconvenience when using the car radio, especially at night. There are various options for the lack of backlight on the radio:
- the backlight does not light up at all;
- the backlight periodically goes out and lights up again;
- only some parts of the display or buttons of the radio are not highlighted;
- the backlight goes out when the headlights are turned on;
- the backlight of the car radio and the dashboard of the car does not light up.
The causes of this breakdown can be very different from car wiring faults to a burned out
fuse. If a similar problem occurs, you can try to remove the terminals from the battery for 10-15 minutes. As a rule, this should help if there is no breakdown in the radio itself. Often the reason is that the radio's LEDs burn out. In this case, the backlight may not light partially. At first it flashes for a while, and then stops working altogether. In any case, to eliminate the breakdown, it is necessary to remove and disassemble the car receiver.
Opel Astra H radio backlight not working
The Opel Astra H has a special dashboard and radio backlight control. First of all, if a problem occurs, you need to check if the backlight brightness has been reduced to a minimum level. If this is not the problem, you need to remove the radio in order to find out the cause.
Opel Astra H has a radio built into the center console. It has four holes in which you need to insert a special puller and pull the radio towards you. You can use ordinary nails for this, at least 3.5 cm long. In order to make it more convenient to remove the Opel Astra H radio, you can remove the glove box and push it.
Similarly, the receiver of some other cars is removed, for example, the Chevrolet Aveo.
After removing the radio, you need to carefully check the LEDs, if some of them burned out, you need to replace them. If all the lights don't turn on, it's most likely a blown fuse.
Toyota Carina AT211 radio backlight not working
To remove the Toyota Carina AT211 radio, you need to unscrew the screw in the dashboard visor, then remove the trim above the steering column. After that, carefully remove the receiver itself.
Pioneer headlight not working
The Pioneer brand is one of the most popular among manufacturers of automotive electronics. Exists 
many models of Pioneer car radios. If the backlight of the Pioneer radio has stopped working, you need to remove the radio. How to do this correctly should be described in the instructions for the receiver. After that, you need to check the LEDs and the fuse of the Pioneer radio. If it was not possible to solve the problem, you need to contact a service center specializing in the repair of Pioneer radio tape recorders.
Polo radio backlight not working
Volkswagen Polo cars, depending on the configuration and year of manufacture, are equipped with different radio tape recorders. Therefore, if there is a problem with the Polo radio, you first need to study the instructions for the radio. To repair the Polo radio, it is better to contact a specialized service center.
If the backlight does not light up not only on the radio, but also on the dashboard, you should not try to solve the problem yourself if you are poorly versed in the car's electrics. It is better to contact a specialized service center, where they can competently fix the problem.
If the backlight of the car radio does not work, do the following:
If all these steps did not solve the problem, most likely the problem lies in the wiring of the car, and it is undesirable to try to solve it yourself. It is better to contact a competent specialist in the field of auto electricians. If you are sure that you can deal with the problem on your own, you need to be very careful during work, since every detail is important in a car’s electrician, it’s worth connecting the wires incorrectly, and you can disrupt the operation of important car systems.
Audio devices on cars today have become familiar and very useful, not only for the driver, but also for passengers. In addition to music, they carry a lot of useful information for those in the car. So, for example, you can find out the current time, the air temperature on the street and much other information. The failure of this device is truly a big problem for the owner of the car.
What can you do yourself
It is rather difficult to answer this question, since it all depends on the type of malfunction of the device itself. If the breakdown is hidden in the radio itself, then it should be repaired by qualified radio mechanics. But there are a number of problems that you can solve on your own. If the car radio does not show signs of life, it is advisable to check the health of the fuses. In this case, one should keep in mind the fact that Opel Astra h of different years of manufacture have slight differences in the mounting blocks with fuses.
You can specify the affiliation of a particular fuse in the operating instructions or on the Internet. It can be such devices. Number 12 and 36 for a current of 7.5 Amperes, number 21 for a current equal to 5 Amperes, number 35 for a current of 20 Amperes. They check them with a car tester or simply install serviceable ones.
Where else could there be a problem?
The car radio receives power from the on-board network from the ignition switch, so its absence on the connector may be the fault of the contact group. There are many descriptions of checking this device, but not everyone can do it. Knowing which wire is supplying voltage, you can apply it directly from the battery. This advice cannot be recommended to all drivers, as the slightest mistake can completely disable the audio device. Sometimes there is an involuntary self-locking of the device. Experts recommend disconnecting the battery for a few minutes, and then reconnecting it.
You may have to perform this operation several times. There are cases when the failure of the car radio is due to the fault of the CIM system. Experts advise getting to the block and soldering all the contacts well with a small soldering iron. The lock can be removed if you know the code for this model. It is entered with the keys numbered 1, 2, 3 and 4. The operation can be repeated 10 times. The code is written in the instruction manual of the audio device. In its absence, you will have to contact specialists.
