Cobra 2000 stuck in tx

[famsix]

Radio Make and Model: Cobra 2000
PCB Number:
PLL Number:
Test gear available: complete set up
Symptoms: stuck in TX

What is working:

What has been tried: isolate to board from mic plug

Did it suddenly happen ?: not sure
Anything else that may be of help?: radio hung in tx just like ptt is depressed

[The Defpom]

Hi,
there are 3 possible causes, listed in likelyhood of failure.

C33 (10uF 16V), TR35 (2SC945), IC4 (MB3756)

[famsix]

it was the ic, thanks for the help now ill move on to the weak receive and frequency counter. Transmit works great now...