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Anytone at-6666 v3

ramit

Member
Apr 18, 2019
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tnx, seen both the vid and that post on that other forum, but there's no technical backup in those posts of what does what and what.
 

Shadetree Mechanic

808 On The North Side of Dover
Oct 23, 2017
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The First State (Delaware)
Got it, thanks @Dr_DX.

 

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ramit

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Apr 18, 2019
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Got it, thanks @Dr_DX.



Thank you very much! Geez, finding any tech info on these rigs is harder to find than hen's teeth !

Thank you @Dr_DX.
 
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ramit

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Apr 18, 2019
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The document from Dr_DX is titled "HAM MobileCom 1011". Might be more clues in that direction. I found a modification for SSB something?

So went through it all, that mod pix, was inserted in a discussion in those few posts in the thread about modulation. I haven't tried to translate the text notes on the pix. Just the post text. Went through the translation (Thanks google) on all the other pages. Nothing about alignment or documents. Near the end someone had the same question about the service menu and the defual settings , as the post someone linked to in an earlier post here just recently.
 
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TM86

Supporting Member
Jul 6, 2014
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I should have learned some technical German instead of just the street slang for drinking and... ummm... other fun things.

Looks like it's a modification for SSB tuning (Umstimmung) that doesn't affect AM or FM. Which sounds like an "unlocked clarifier", but only on SSB. Could be for tuning the IF, though, to change the center of the SSB signal. I think it also kills auto squelch (ASQ) in SSB modes.

They do tell you to glue the wire down so vibration doesn't make it break at the solder joints, which was nice of them to do.

They add one transistor based on the part number given and the author says (I think) it's what he had on hand, so the it sounds like any transistor that's close in spec should do. The added transistor has it's collector connected to the component with the red dot, the emitter to the zero ohm resistor, and the wire connects the base to the collector of another transistor, shown in the picture. I can't tell if you're supposed to isolate any component leads before adding the transistor.
 
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ramit

Member
Apr 18, 2019
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D'OH!

After a little more reading (slowly), this mod just turns off the auto squelch in SSB. That's it, that's all it does.
That's exactly what I got out of that one mod.. yes... There were earlier posts w/ complaints about the squelch performance. I thought there was another set of posts complaining about modulation. I might have confused that pix with a fix for that.
 

Eldorado828

8-2-8 in the Lonestar state
Feb 21, 2016
2,220
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The Lonestar State
Well reporting back on the about 4 year old quad 6666 that is the primary go to.

This is the first of two quad 6 that I own and it's been the best ssb performer I've ever owned.

Now, the follow-up is
channel encoder is damn near becoming unusable. It's been finicky from day one and was for certain that it would be the weak point in this radio and it shows to be true. I've noticed that in the recent months it has started to get worse and after heavy use last night I think it's had it.

As common as these are nowadays, there has got to be someone out there with an encoder to replace these.

I'll continue to use it and changing channels via the mic but sure would like to repair it.

Anyone here know of a possible parts source?
 

Eldorado828

8-2-8 in the Lonestar state
Feb 21, 2016
2,220
3,850
273
The Lonestar State
Replying to myself here and hoping this could turn into a solution because the channel encoder can drive a guy nuts.

I'm thinking this might possibly be a compatible replacement for the quad 6. Am taking the jump and will report back.

 

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