VW Car Radio - Humming Issue, Antenna Amplifier, Whip Replacement & Reception Improvement

Question

Hello . I have a problem receiving the radio. Often noises, even with RMF FM.
I bought a good antenna amplifier and very small improvement, I replaced the antenna whip, still without any changes.
I replaced the plug that goes into the radio and nothing else, but when I touch it with a test tube or some cable in this central main vein, the radio picks up better.
Why is this happening?

Pedros050 · Answer

Hello. Replace the antenna cable or the whole antenna. Lack of ground on the antenna, possibly rotten the cable on the antenna itself, check the condition of the cable connection with the antenna.

emik · Answer

Specify the topic. VW is about a car (model, year) or a radio from VW (model, manufacturer). If you provide it, you will be able to help you somehow, because there is less and less on the clairvoyant forum.

majki09 · Answer

To complete the message VW Lupo 2000 JVC radio bought new just a few days, I thought maybe the fault of the radio so I bought new ..

Pedros050 · Answer

Radio you have a good reason lies in the antenna.

majki09 · Answer

Antenna whip replaced for a new one, it was:
- an antenna cable or a mounting to which the antenna whip is screwed.

now know what the mistake is.
Can it replace the new antenna with cable (unicon ASp-36.01)

Pedros050 · Answer

That I would check, if there is corrosion and a cable bend, there is nothing to buy a new antenna.

emik · Answer

Read at least this topic For your JVC, a separator will be needed if the antenna works.

majki09 · Answer

I don't need a separator because it doesn't have an antenna amplifier. Only my postponed unicom company that I connected.
Rather, I will buy an antenna with a cable and lead a new cable through the car, I will not have to think about where the error is because it is already beginning to upset me.
Just interesting how this installation of the radio cable goes.

emik · Answer

If the antenna is original RAKU-2, then the amplifier in the base is for sure. Have you taken the ground that you claim he is not there? What radio did you have before JVC?

Pedros050 · Answer

@ majki09 Take out this radio and you will see the antenna plug and see if it goes to the right on the post or to the left.

zster · Answer

The original antenna definitely has an amplifier in the base. Without a separator on an unoriginal radio there will be just such symptoms.

majki09 · Answer

Well, there was an old JVC, but my girlfriend drives him and she never talked about the radio. It wasn't until I started driving that I noticed this drawback with radio reception.
But a separator. Hmm interesting.
The connector has RAKU 2 at the socket where the antenna whip is mounted.
Maybe I will actually try to buy this separator and see what happens.

yogi009 · Answer

VW originally had Blaupunkt, which had built-in separation. After changing the radio to one without separation, a separator should be added, because in this antenna, both the RF signal and power supply to the antenna preamplifier located in the base of the antenna run over the hot wire. There is also a simpler solution: you buy an antenna glued to the glass (it also has its own preamplifier, so that you run the power supply with a separate cable - no need for a separator) and after trouble.

majki09 · Answer

Antenna separator helped .. ?

[Solved] VW Car Radio - Humming Issue, Antenna Amplifier, Whip Replacement & Reception Improvement

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