Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang ---------------------------------------------------------------------- What serial number unit? Pin 6 should have ~100V R or T.
73, Garey - K4OAH Glen Allen, VA Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs <www.k4oah.com> [EMAIL PROTECTED] wrote:
On V7, Pin 7 shows 1.13v receive, 148 transmit and pin 6 shows 250v receive and transmit. In a message dated 3/31/2008 3:34:54 P.M. Eastern Daylight Time, [EMAIL PROTECTED] writes:Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang ---------------------------------------------------------------------- Have you checked voltages on V7? Is it being cut off in transmit? 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs <www.k4oah.com> [EMAIL PROTECTED] wrote: > I am still working on my TR-4C. I now have the filter problem fixed > and in fact have the correct signal going all the way to the 12BY7 > driver tube. I do not have any signal coming out of the driver to the > finals. The tube is good and I have substituted another with no > change. The voltages all check good on the 12BY7 except for pin 8. It > has the full 250 volts on it so no grid current is flowing there. What > might cause this? Has any one out there run into this problem before > and maybe could tell me where I should look for the problem. As always > any help would be appreciated. Thanks and 73,> Terry> W8NJR> >> >
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