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DTB Radio's latest activity
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DTB Radio replied to the thread Excalibur (3600 board) stuck....Did you manage to fix this unit? There was one switching diode in the rx/tx switching circuit that seemed to fail at a fairly high rate... -
DTB Radio replied to the thread Galaxy DX99V2 low power and hot regulator.One possible explanation as to why some radios using 520's seem higher or lower in output to others of the same make/model is that not...
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DTB Radio replied to the thread Galaxy Saturn low transmit.Did you ever find the problem?
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DTB Radio replied to the thread crt ss 9900v4.I have the same radio and that was the procedure.
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DTB Radio replied to the thread Dx2547 issues.That's what I was wondering myself, lol! If that was the case, shorted final/driver would jump to mind.
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DTB Radio replied to the thread Magnum S-9 VCO Voltage problem.I finally got a chance to dig up my old SR490 and snapped a photo of the cap location. The fix was to add 100pf across those points.
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DTB Radio replied to the thread Magnum S-9 VCO Voltage problem.Something else occurred to me. Years ago in the Stryker 440/490 series first gen models, there was an occasional issue with PLL unlock...
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DTB Radio replied to the thread TRC-448 repairs.I think you are on the right track with looking at the audio amp section. I've run into other makes/models with similar issues that...
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DTB Radio replied to the thread Magnum S-9 VCO Voltage problem.Nothing specific jumps to mind, but have you tested all PLL circuit voltages when the problem is happening? There would likely be other...
