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🔴 Cobra 25 NW ST CB Radio Repair SN9772 – No.879


Cobra 25 NW ST CB Radio Repair

0:00 – Intro.
0:28 – Freeing stuck channel selector of Cobra CB Radio.
4:10 – Testing for faults on Cobra 25 NW ST.
5:04 – Checking VCO adjustment of Cobra 25.
5:50 – CB/PA switch fault.
6:20 – Testing AM TX and modulation level.
7:34 – Dismantling the CB/PA switch to repair it.
9:33 – Re-testing after PA switch repair.
10:03 – Replacing the Signal Meter.
12:34 – Re-testing after signal meter replacement.
13:03 – Testing receive sensitivity of the Cobra 25 NW ST CB Radio.
17:09 – Repairing the AMC circuit.
19:52 – Adjusting the AMC after AMC circuit repair.
20:59 – Setting the AMC using an oscilloscope.
22:21 – Adjusting the local oscillator and CB radio frequency.
24:51 – Patreon Supporters: https://defs.link/?u=fcb3a1
24:58 – Outtakes.

SN_912039772

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