The Defpom Forum, for RadioMods, S&M Software and Music by The Defpom

Okay. The driver is bad. All the other stuff is just hog wash. That's why you have a low dead key and not much swing. replace the driver and it will cure your problem.

If don't cure your problem, write back and let me know. Your very welcome.

Radio Make and Model:Cobra 29 ltd classic china edition PCB Number: PLL Number: Test gear available: No Oscope, everything else Symptoms: No mod on transmit, recieve chatters at high volumes, low volume nothing. What is working: Transmit What has been tried: Checked caps and resistors. checked regul...

Heres something to try. Turn the radio circuit side up and turn it on. When the receive goes quiet, take an end of a toothbrush and start pushing down on the board in little areas of the board. I suspect that you have a cold solder joint somewhere. When you find the spot that makes the sound come up...

One thing that I would like to add is: location of the rectifying diodes for cobra 29 series (excluding 29 xlr) is D8 and D23. One way to resolve accidently hooking up your radio is to modify (pay attention you gurus out there, because this applies to all radios that use rectifying diodes) the circ...