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Old Aug 19, 2013, 08:34 PM
RC Warjet
United States, CA, Jamul
Joined Mar 2013
713 Posts
Trader Rating: 118
Sold
JR NER-649S PCM-S RX Ch 55 - $35 shipped

Bought an old (20 years) JR 9 channel PCM TX to try out a Frsky DJT module and RX on it. Of course the TX doesn't work with the DJT, but this receiver came with it. Looks like it's never been used, it's on Ch 55 and I can't test it, don't have a JR module to match. Anyway, thought I would see how much I can get for the receiver, re-coup some of my $$ for the non-functional TX. 2 of these RX's are listed on the auction site, 1 for $149 and the other for $89. How about $35 mailed to you with a money-back guarantee?

PS: Here's a picture of the TX. If anybody has a manual for it, maybe since it has about 50 dials, buttons, and switches on the back, I've got something set wrong.
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Last edited by Warjet1950; Aug 22, 2013 at 10:43 AM.
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Old Aug 19, 2013, 09:44 PM
Registered User
United States, CA, Sunland
Joined Oct 2009
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Trader Rating: 7
Quote:
Originally Posted by Warjet1950 View Post
Bought an old (20 years) JR 9 channel PCM TX to try out a Frsky DJT module and RX on it. Of course the TX doesn't work with the DJT, but this receiver came with it. Looks like it's never been used, it's on Ch 55 and I can't test it, don't have a JR module to match. Anyway, thought I would see how much I can get for the receiver, re-coup some of my $$ for the non-functional TX. 2 of these RX's are listed on the auction site, 1 for $149 and the other for $89. How about $40 mailed to you?

PS: Here's a picture of the TX. If anybody has a manual for it, maybe since it has about 50 dials, buttons, and switches on the back, I've got something set wrong.
a link to info about the TX
http://rc.runryder.com/helicopter/t547116p1/
How about 25 for the RX
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Old Aug 20, 2013, 06:14 AM
Gary L
Dexter, Kansas
Joined Oct 2009
231 Posts
Trader Rating: 17
If the module you're trying to use requires PPM modulation, you may be out of luck... IIRC, the PCM9 was PCM modulation only.
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Old Aug 20, 2013, 09:18 AM
RC Warjet
United States, CA, Jamul
Joined Mar 2013
713 Posts
Trader Rating: 118
I'm not trying to get this old radio to work with JR stuff, I bought it to try to use it with Frsky DJT setup. I'm trying to sell this receiver so I can get back some of the $$ I spent to get this radio.
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Old Aug 20, 2013, 09:41 AM
Chino Renegade oh-gee, yo
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United States, CA, Chino
Joined Feb 2008
2,567 Posts
Trader Rating: 190
Hi Warjet, this manual is more helicopter related, but the radio's are nearly identical and it should help:

http://rc.runryder.com/helicopter/ga...ERIES-2STK.pdf
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Old Aug 20, 2013, 09:58 AM
RC Warjet
United States, CA, Jamul
Joined Mar 2013
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Trader Rating: 118
Thanks! Someone sent this manual to me last night, and it is pretty helpful. I thing I did notice is that the helo model in the manual has a CCPM 3 position switch in the back for modulation, but this air transmitter does not. That could be the reason nothing works, or the TX could be broken.
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Old Aug 21, 2013, 07:45 AM
Gary L
Dexter, Kansas
Joined Oct 2009
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Trader Rating: 17
Quote:
Originally Posted by Warjet1950 View Post
I'm not trying to get this old radio to work with JR stuff, I bought it to try to use it with Frsky DJT setup. I'm trying to sell this receiver so I can get back some of the $$ I spent to get this radio.
What I was trying to get across was that if the Frsky module requires a transmitter with PPM modulation capability, you can't use the PCM9 with the Frsky because the PCM9 only transmits PCM. Later JR 72 MHz transmitters were switchable between PPM and PCM, but the PCM9 was not.

Also, I may be wrong, but I believe you'll find the "CCPM" switch on the Heli version of the PCM9 has to do with heli swashplate progamming, not signal modulation.

As an aside, I don't believe your PCM9 is even compatible with the R649S receiver: the "S" in R649S indicates S-PCM, which IIRC was introduced years after the PCM9 was produced. The PCM9 probably transmits in Z-PCM (or some other older) format.
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Old Aug 22, 2013, 10:42 AM
RC Warjet
United States, CA, Jamul
Joined Mar 2013
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How about $35 shipped with a money-back guarantee?
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