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Radio removal without keys

Radios dead and dont have original removal keys to take it out

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1 Answer

Radio not working


To remove the radio you need special keys that fit into the two slots on the side of the radio face. Look for them on ebay, approximately USD $15

Jan 09, 2014 | 1999 Mercedes-Benz E-Class

1 Answer

My radio in my 2004 dts will not turn on after battery went dead


flat battery activates the anti-theft code for the radio
you will need to get it and put it in the radio for it to work

May 03, 2017 | 2004 Cadillac Deville

1 Answer

Got a connex 3300HP has a ranger board and chipset won't modulate recieves fine keys up relay clicks needle doesn't move no voice either cant find schematics


You may have a dead meter.
Modulation is audio's affect on swing wattage or pep. Notice that needle moving more with your voice.
Dead key or carrier wattage is without your voice enhancing the power only with mic keyed.
I can only assume that the chipset you are referring to is an ic chip audio or pll which must be working if you are receiving audio.
Check your mic cord................ transmit and modulation and even your receive volume can be affected by the cord/mic plug solder joints or broken wires here.
http://www.cbtricks.com/radios/galaxy/dx33hp2/graphics/dx_33hp2_sch.pdf this is a similar radio the General Lee, Connex 3300hp and Galaxy hp2 share boards i believe dont hold me to that thou.


Aug 20, 2011 | Connex 3300 240-Channels Base CB Radio

1 Answer

Need to know where to set low power set up for amp thanks


There is no specific dead key setting for an ampifier. Each amplifier requires different dead key to operate at it peak effeciency AND to sound the best it can. If I knew what type of amp it was I could give you a better idea. Just for a reference point I will give you these numbers. For your basic amplifier ( 2 pill - 4 pill non high-drive) you could safely set the carrier at 1 - 3 watts. This is why the majic number for most people is a 2 watt dead key. For a High-Drive amplifier you really have a broad range of settings for deadkey. Generally anywhere between 2 - 8 watts. Some can even handle 10 watts. This DOES NOT mean that they need a HIGH dead key to operate properly. Just FYI, what you run into with improper dead key is either a really choppy, splattery, overmodulated sound with a deadkey that is to low, OR, a really pinched up, tight sound with a dead key that is to high. Also, a HIGH dead key can cause an amplifier to over heat, causing the transistors (pills) to fail prematurely.
To set your dead key "properly" you really should have a technician "match up" the radio with the amplifier. This means, he will hook up the radio and amp that you plan to use with one another in line and tune (set dead key) the radio to "match" the amp. This will give you the optimal audio and performance without overdriving the amp.
Hope this helped. Lost Jeep, Athens GA, 10-7 !!

Feb 17, 2011 | Connex 3300 240-Channels Base CB Radio

2 Answers

Cassette display only off and not working what can i do?


This means someone tried to enter the code into the radio 3 times wrong. You have to turn the key into the number one position and leave it ther for 2 hour. You need to make sure the radio is on with the off displayed on the radio. Make sure the lights are off so the battery does not die. I know this **** because i had to do this with my V70 when i bought it. After the two hours the radio will reset and you can enter you code into the radio. If you dont have the code you can get it from a volvo dealer. Just dont let them charge you. It is a free service.

Dec 10, 2010 | 1998 Volvo S70

1 Answer

How to adjust the dead key in a uniden pc78ltw


You change the dead key with the addition of 2 components to the board. There is no dial or pot inside to turn to adjust the dead key.

What you want to do to the radio is called a swing mod. If you are trying to adjust your dead key, it sounds like you are trying to run a linear amplifier. If that is the case, you should probably set your dead key to around 2 watts. Most amplifiers are good with 2 watts. If this is so, then do this:

Go to radio shack and get a 1/2 watt 100 ohm resistor, and a 100uf 35 volt electrolytic capacitor.

Open the radio and look for JV117. It is a jumper. It is located in the back left of the radio in front of the final resistor in front of the heat sink.

Use a de-soldering wick to remove the solder from the trace side of the board. Remove the jumper.

In the jumpers place put the capacitor. Make sure the black tab is facing the back of the radio, towards the final. This is very important because there is a positive and negative to the capacitor. If you do it backwards you can blow your radio.

Solder in the capacitor, then take the resistor and on the side you soldered, solder the resistor bridging the 2 pins of the cap on the trace side of the board.

How this works:

The resistor determines the amount of dead key. the bigger the resistor, the smaller the dead key, the smaller the resistor, the higher the dead key. (dead key will only go as high as it was before you put in the mod.) A 100 ohm resistor gives you about a 2 watt dead key.

ALSO! you are going to want to find VR4. Its a little pot towards the back right center of the board. Then turn it all the way to the left. This turns up your modulation, and will make the radio swing to full PEP wattage, around 20 watts.

If you have a watt meter that reads avg wattage then you can gain more wattage by adjusting L14. It is just right of VJ117. it is a white or brown plastic tank with a copper coil around it with a slug in the center covered by a little way.

*do this only if you have a meter, also, do not transmit on your radio without an antenna connected or a dummy load or you will blow the final.*

Remove the wax and then while saying a steady ahhhhh sound, slowly back out the slug until you have peak wattage,(when the needle no longer increases.) You do not want to back the slug out any more then is needed for full wattage, other wise you over bias the final and lessen the life of it. So once the needle stops going up while giving a steady ahhhh into the mic, back it in a hair just to make sure its not over biased.

And as always, if you are not comfortable doing this your self, take it to a radio tech at a radio shop. They are usually found at truck stops.

Oct 15, 2009 | Uniden Radio Communications

1 Answer

Tunring up a cobra 150 gtl/dx


Um... What?? This is hooked to a switch? CB radio by FCC regulations is only supposed to have a max of 4 watts total output. If you can flip it to 7 watts dead key, you are doing really good. It won't do much more then that. It sounds like its set up to run on a linear amplifier, which cannot have more then 3 watts dead key transmitting into it.

Dead key, and modulation are different. You may have a meter that only reads dead key, and won't see the modulation. This radio is probably swinging close to 15-20 watts. you need a meter that can read PEP, Peak envelope power. Cheap meters only read AVG, or average power, witch will only show your dead key.

7 watts dead key is really good for that radio.especially since stock only has 4 watts. you cannot get any higher then that without changing finals.

at 3 watt dead key, or 7 watt dead key, your modulation wattage is still swinging much higher.

Also, you will get more swing with a lower dead key any way, which is better if you want it to be loud.

Leave it alone. its probably set just right.

May 12, 2009 | Cobra 150 GTL DX Base CB Radio

2 Answers

Radio


My son has a 2004 Volkswagon Jetta that had a dead radio. It occurred after my daughter -in- law experienced a dead battery, requiring a jump start. The radio was totally dead. All fuses in the fuse panel were checked first. My local Volkswagon service center was kind enough to assist me in removing the radio from the instrument panel (special "key" required) free of charge. In the back of the radio is a 10-amp mini fuse that was blown. Check it out before you spend megabucks replacing anything else.

Nov 02, 2008 | 2004 Volkswagen Jetta

1 Answer

My radio's dead


Sorry it took so long to get back on this. I just moved from Detroit to San Antonio and am still getting sorted out.

You can use any long slim metal to get the radio out. Something like a couple of butter knives are about the right size. You push one in on each side of the radio between the radio and the sleeve that holds the radio. Push them in as far as they will go near the middle part of the radio. Once they are all the way in they should release the catches that hold the radio in place, then just pull the radio out. The radio may also have a fuse right at the connector for the plug. It will be a plastic blade fuse normally a red one (10 amps) so check that as well. It plugs right into the radio and is part of the jack that the harness plugs into.

Let me know if you need any more help.

Dave

Oct 17, 2008 | Pioneer DEH-1700 CD Player

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