Copper Talk » Ask The Tech » Amplifiers » Commander class ab linear amplifier 200a fuse is fine but no power « Previous Next »

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Tigergriz
New member
Username: Tigergriz

Post Number: 1
Registered: 11-2020
Posted on Wednesday, December 23, 2020 - 1:00 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Hi guys/ gals, any help deeply appreciated, I just got back into my radio hobby, I had boxed up my rci 2950 and my commander class ab linear amplifier 200A and the amp wont power up, checked the fuse and it is fine, and ideas? It's a 12 volt amp I have it connected to a power supply that also powers my radio, it's a good supply up to 15 amps 14 volts DC , I'm really excited to get back on the air, I bought a new rotator for my 4 element qubicle quad beam and I just got my starduster ground plane back out of storage and got it in the air today, it has a great match
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Tigergriz
New member
Username: Tigergriz

Post Number: 2
Registered: 11-2020
Posted on Saturday, December 26, 2020 - 6:26 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Update, I opened up the amp and checked continuity for the incoming power leads and found no open circuits, I also looked for obvious parts damage, and found none, I am including pictures in hopes someone will have past experience with a common part going bad causing no power up, "like start with replacing the relay", any help appreciated.
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Dale
Senior Member
Username: Dale

Post Number: 2399
Registered: 12-2002
Posted on Wednesday, December 30, 2020 - 11:20 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

welcome back to the radio hobby
dale/a.k.a.hotrod
cef426
cvc#64
454 [dx numbers]
38lsb

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