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I sent a PM to you

do you have what tarzan u want as there are about 5 different calls. I have the modules 3 wire hookup. Or if sound is on youtube get me the link. Might be able to help you out.

did you ever find your tarzan noise toy?

LeapFrog do you have a schematic of that little single oscillator board? thanks

Maybe Leapfrog will see this and chime in with a schematic and parts he used. Always looking for something to keep me busy. LOL

I know that but was looking for a single xtal oscillator to experiment with. I like how small it is also I have the s-kit single xtal board that also works in the 29s. for single board mods I have all my boards made in China much cheaper then here in the States. So looking for something...

I know this is an old post wondering if there is a schematic for the crystal oscillator would like to build one. thanks

Yes I was thinking because the Expo100 A kits work in both the GTL and LTD

ok thanks fist i ever saw this and trying to analyze how it would work or the directions are wrong for this to work in a cobra 29 or any of the radios i showed the list on. The person selling keeps avoiding sending me a picture of the install points on a cobra. So he says you cut 1 pll pin and...

these kits show 2 ic chips no xtals and 1 cap. so just wondering how it would work on a cobra 29 when you have to inject a signal to the mixer stage. Expo 100 A kits

Has anyone seen these kits before? Im trying to get directions for install in radios. It says can install in a cobra 29. Kit has 4 wires thats all I know. Shows many more radios. The board has no xtals on it so wondering how this kit will work? And comments appreciated

Handy Andy. Just want to thank you on pointing me in a positive direction. I replaced TR42 with a 2sc945 replacement for the KTC3198 and now it transmits on AM. I put the original regulator TR41 KTC4369 back in and all set for transmit AM/SSB I will tune and align radio in next few days...

I think its tr41 in this radio and its a 2sc4369 pnp and a replacement is a 2SB754. i will re-install and see what happens even though it seems to check out ok after I removed it to replace with the 2sb754 I did swap the legs in installing this new regulator but will install the old and start...

Handy Andy I replaced the C173 and still no AM carrier. I will be doing some voltage checks and report back here of what I find. thanks so far on helping out

Handy Andy thanks for the reply *the radio from what I can see has never been touched all pots are sealed with red glue or something. *Yes the light is green and will turn red on transmit. *Radio has no mods I will check out the vari resistor and see if open. thanks

So I replaced the AM regulator and still no AM output power ssb is fine. Any further help appreciated

I did check and there is 13v in middle of the final and both sides nothing. When I key up the 13v in the middle goes away.

Further detective work points to the AM regulator so I ordered a 2sb754 regulator its a much better replacement and hope it does the trick. Will report back on my success or failure. LOL

I will give that a try in next couple of days thanks for the tip

So I checked for the 13v at the middle leg of the final and driver and both have 13 volts until you key the mic then nothing o volts. There is SSB power but no AM. I also set it up on my bench next to another radio and receiving the ssb audio but the AM is a cold nothing not even any audio. So...