Copper Talk » Ask The Tech » Amplifiers » Texas star DX1200 Hotplate wont key up « Previous Next »

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Smokinjoenc
New member
Username: Smokinjoenc

Post Number: 1
Registered: 12-2016
Posted on Saturday, December 24, 2016 - 1:56 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Recently pulled out my dx1200 from the closet. It hasn't been hooked up in awhile, was working fine when put away. I hooked it up, and the amp doesn't key. No clicking relay or anything. The power meter shows the output from the radio and swr's are all fine. I checked jumpers and they are in good shape. I unhooked the dx1200 and hooked up my straight 4, and it works like it should. I opened up the 1200 and theres no signs of broken solder joints or anything of the sort. Maybe "keying capacitor"? I've been out of the "game" too long. Any help would be great.
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Charliebrown
Advanced Member
Username: Charliebrown

Post Number: 527
Registered: 10-2002
Posted on Saturday, May 06, 2017 - 2:46 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Most likely a switching transistor. cost about a dollar or two.

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