Need to replace the RT side Volume and squelch control knobs on my 8800

Your Kenwood radio has programmable squelch. It is accessible through the software. However, if the squelch knob (pot) has been broken, it must be fixed or replaced. Move the control knobs back and forth, do either move more than say 1/16 of an inch? If so, they likely broke inside. You could open the radio, resolder the switch, which I called a pot and see if that works. If not, take it to a dealer or sadly, buy another radio.

Try this website

CAR RADIO CODE Online Service Home

from an old parts radio. you should see mine,I have three different types of knobs on it.

was the radio wired direct or with a cigarette lighter plug? try the RF gain knob and the mic gain knob.If they are wide open does the radio rec.any better? if not you may have a problem with the main IC

Plug the AC adapter into the back of the scanner and into a wall electrical outlet. Screw the antenna into the receptacle on the back of the scanner (extend the antenna to full length for best reception).

2 Set the squelch level to allow signals to be heard by turning the squelch knob counterclockwise. Rotate the volume knob clockwise until you hear static. Slowly turn the squelch knob clockwise until the static noise disappears.

3 Start programming frequencies into the scanner by pressing the "Manual" button.

4 Press the up arrow or down arrow key until the channel you wish to program is visible on the display.

5 Use the numbers on the keypad to enter the frequency for the local transmitter you wish to receive.

6 Press the "E" key to complete the process of entering the frequency.

7 Repeat steps 3 through 6 for each additional frequency you wish to monitor.

8 Press the "Scan" key to start the scanning process. The scanner stops on a channel when it detects a signal strong enough to hear over the squelch setting. Two seconds after the signal stops, the scanning process resumes.

Nothing Yellow Black
Green White Black
Orange Red


The black wires are both ground connected into the same part in the board. Just connect them depending on length.

This is the picture of the vol knob, with the dial upward looking down on the tabs. The top wires, yellow and black, are for the volume. The Middle row, green, white and black are for the squelch. the orange and the red are the power switch.

Do you have talkback installed? It my be too loud and causing feed back. Back the mic gain down if so.

Could also be improper mic wiring. If you use a mic that is wired for a different radio, it could just cause a hum, buzz or squeal.

Another thing that can cause a hum, buzz or squeal is a faulty volume and or squelch knob depending on the radio.

• Turn down or disable talk back.
• If you cannot turn off or disable talk back, lower mic gain.
• Try a different mic that you know is wired for cobra.
• Play with volume and squelch knobs while TX and see if it stops at all. If it does replace knob.
  

Most likely an open speaker, though water damage to volume/squelch controls is also a possibility. This can be checked by removing the knobs and inspecting the shafts for corrosion.

I have a couple suggestions for you. The unit has probably gotten oxidized controls from age. Any thing with rotating contacts over a period of time will get dirty. You need to purchase some contact cleaner (Read info on the can that it is safe for plastics) and flush the squelch and volume controls. You may also have to open the unit and identify what they call 'pots' or little trimmers to clean and adjust. Set your squelch control at mid range and with an insulated tool turn the pots a little in both directions and return it to original the positon. This will clean the control and when you find the one that effects your squelch it may have drifted and need to be readjusted until you have better control on the front knob.

Open the component / speaker side cover on the radio, adjust VR3, this is the alignment control for the squelch. Set your squelch control knob on the front of the radio to about 10 o'clock and slowly adjust VR3 until the signal from the speaker is mute.

When you turn the squelch back to the 0 position, you should have signal with no squelch as in normal operation.

Thanks!
Dodgem

http://dodgem250.angelfire.com