Search found 2 matches

by coldfront
Tuesday 1st Sep 2009, 13:29
Forum: CB Radio Repair and Troubleshooting
Topic: Cobra 142 no rx no audio
Replies: 1
Views: 5846

Re: Cobra 142 no rx no audio

Found a shorted electrolytic 220mf c113 coming off of audio amp but still no rx. Tx was probably working all the time and I was shorting the wrong two mike pins as I have no mike for this.
by coldfront
Wednesday 26th Aug 2009, 13:53
Forum: CB Radio Repair and Troubleshooting
Topic: Cobra 142 no rx no audio
Replies: 1
Views: 5846

Cobra 142 no rx no audio

Radio Make and Model: Cobra 142gtl PCB Number: PC 385AG PLL Number: MB8719 Test gear available: Vtvm, freq counter Symptoms: No rx, or audio. No meter deflection. What is working: Rx light, meter lamps and channel selector display. What has been tried: Votages from power supply and regulators are cl...