Dale, I don't currently have a parts unit but I am working on a couple of 509s right now. Do you have a mechanical problem or electrical problem? 73 - Dave, N4ELM <Previous> 1. Model 509 Parts Unit
I'm looking for a 90192 Control board for a TT 509. Apparently this is a very early one as it does not match my other 509 or the manual. The problem is the 8 volt power supply section is dropping to
Its been a while since I had a Scout & Argo but I seem to remember that using an external keyer reduced or eliminated the drift effect. 73 - Dave, N4ELM
Snowy, Since CW is working, you're definitely looking in the right area.You should be able to use a scope to look at the audio signal through both both sections of U2 into the balanced modulator (U1)
Well, that's different :-) If U1, pin 1 is <3 volts in other than CW mode, take a look at Q4. If Q4 is turned on (by the CWU line) or shorted, U1, pin 3 will be grounded thru D2 & R15 which unbalance
The PTO shaft is not grounded so a small frequency shift occurs when your hand gets close to the dial & dial skirt.One mod was to use a cut down safety pin to short out the shaft as it passes through
I think Jim would need the 509 schematic to see how the connections for the 208 are wired in.I have the 509 PDF from the TT obsolete manuals site. I have a PDF of the 208A manual if anyone needs tha
Lynn, On the 525 (D), the Xtal switch only controls the accessory filter on the IF/AF board.The 220 (2.4) filter (if installed on the RF board) is inline all the time.The Xtal switch would be switchi
Looking for a clean front panel for a Corsair II. If I remember correctly, the panels for the frequency display and the control labeling slide into the aluminum front panel, in which case I need the
I need a couple of items for a Ten Tec 515, I'll be working on. 1. Anyone have a source for the plastic edging material used on the top & bottom covers?I think the same material was used on the Analo
Winston, I'm really looking for the 208-A which had the CW filter & notch filter, was painted to match the 515, and had the square AMP connector. The 208 (for the 509) used a round pin connector (tha
FS: Ten-Tec Eagle & Accessories Will not break up the accessories until the radio sells. Ten-Tec Eagle 599AT with tuner, NB, factory IF connector & 15 KHz, 2.4 KHz,& 600 Hz roofing filters. with Manu
I'm putting together gear to take to Hamcom next week and my KX3 order is moving up the list so I have decided to let go of my last Argosy ( a mistake I'm sure). I have not used it much in the last 6
I'm getting closer to the top of the KX3 list, so I have decided to let go of my last Argosy ( a mistake I'm sure). I have not used it much in the last 6 months but have pulled it out and spun the kn
I'm cleaning out some of my hoard. FS is a TT Century 22 QRP HF Transceiver. Covers 80, 40, 30, 15, & 10 Meters CW TX, SSB & CW RX. Front in very good condition, a couple of dings in the paint on the
I'm cleaning out some of my hoard. FS is a TT Argosy QRP HF Transceiver. SN 525000016 Covers 80, 40, 30, 20, 15, & 10 Meters SSB & CW switchable 5/50 watts. Front panel in good condition, a couple of
OK, was up late last night and fat fingered the subject J I'm cleaning out some of my hoard. FS is a TT 525 Argosy QRP HF Transceiver. SN 525000016 Covers 80, 40, 30, 20, 15, & 10 Meters SSB & CW swi
Looking for a 30/10 Meter heterodyne crystal for a Ten-Tec Argosy. The frequency marked on the crystal is 13.990 Mhz. The number on the crystal is 48031 This same frequency crystal may be used in oth