Scott -

Most likely is the electrolytic cap C145. Hard to do much more than guess without some voltage readings on that cap.

73, Garey - K4OAH
Glen Allen, VA

Drake 2-B, 4-B, C-Line&  TR-4/C Service Supplement CDs
<www.k4oah.com>


Scott Kerr wrote:
I have a TR4 that has been working GREAT for months with output of 170W+ on 40 and 20 (my most used bands) and after accidently leaving it on all night (with the audio gain and 0) I have the following problems -- receive is very garbled audio and transmit tunes bu has about 35 Watts of output.

I have gone through all of the tubes one by one and replaced with NOS (even the finals) and tried a different power supply -- all with no change. Any ideas?

Thanks for your help!

Scott
KE1RR

Scott Kerr
Tracker Software
[email protected] <mailto:[email protected]>


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