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HelicopterRadio - JR DMSS › JR 6102
12-27-2010 09:00 PM  6 years agoPost 1
RCHSF

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NC

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I bought a JR xp 6102 radio, the radio seems to work fine.I checked it with a RX pack, and two servos, and the radio functions.
So I hooked up a mono cable to my mic jack, with smartpropo & fms.
No luck...

Took the radio apart and checked the trainer dsc jack with my multimeter, all the connections are good, even the tiny switch built into the jack itself works. Checked both for continuity and it makes a complete circuit all the way to the main board.

But when I plug into the trainer port with the radio power switch off, the radio does not power up... And is suposed to.

So I believe the trainer part in the radio is toast.

O' well, Guess this will one for the books.

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12-28-2010 12:50 AM  6 years agoPost 2
thtoyman

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Gone ,Flying.

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mic jack,? On what?computer? That will not work. You need to get the sim wire for it.

only my ideal

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12-28-2010 12:58 AM  6 years agoPost 3
RCHSF

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NC

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Yeah Microphone Jack, ie input on All computers. I'm using a HP Pavilion DV6-2157us.

I have done this before, as well as thousands of other people.

My transmitter has something wrong either in the firmware, or on the main-board. The TX actually functions fine, but it will not power up in trainer mode when you insert a mono cable into the back of the D.S.C port.

I just went into the hidden service menu, but there is nothing in it to help.

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12-28-2010 01:39 AM  6 years agoPost 4
thtoyman

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Gone ,Flying.

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12-28-2010 02:03 AM  6 years agoPost 5
RCHSF

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NC

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I'm useing Windows 7 Home Premium 64 bit.

But that cord want make it work, it's not the cord, it's the hardware in the transmitter, or a firmware issue.

But thanks bud for trying,

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12-28-2010 02:24 AM  6 years agoPost 6
thtoyman

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have you try to hook to a other tx? if not try that

you should post it in the sim's

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12-28-2010 04:29 AM  6 years agoPost 7
dkshema

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Cedar Rapids, IA

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He is using FMS for his simulator, and with FMS you can download and install a program called Smartpropo that allows you to connect the buddy box output of your transmitter to the microphone input jack of a sound card in the PC, and through wonder of science and electronics, your buddy box output is able to control the models in FMS.

I would suggest that the buddy box port is working fine, and that you make sure the transmitter is set to operate in PPM (FM) mode, instead of PCM mode.

You might also want to go to the trainer menu of the 6102 and set it for "normal" trainer mode.

It is suspicious that the encoder doesn't seem to turn on when you insert the buddy box cord, however. Are you using a simple mono-plug and not a stereo adapter cable, as that is what a JR/Spektrum buddy cord uses.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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12-28-2010 04:55 AM  6 years agoPost 8
RCHSF

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NC

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Yes I have done all that before even posting. I have done this before on several JR Spektrum radios.

And I'm using a Mono to mono cable, homemade, tested everything with my multimeter, everything is correct.

TX set to Acro (PPM)
Trainer set to Normal (PPM)
TX Power Off Plug in cord(nothing)
I even tore the radio apart, checked the jack, and tiny switch inside the jack, all that works, checked it all straight to the board, the jack is perfect. Tested Continuity and everything is right.

The TX is supposed to power up when you insert anything into the D.S.C jack.
I talked to the guys at Horizon Hobby, and told them that I stuck a small paint brush handle into the port, and it was supposed to turn on the radio. He said no it's not, it has to bet the correct plug, before it will power up the tx. I said well try it, stick something plastic in one of yall's and see. He said I'll be it does work.

Not my first rodeo.

My tx is bad somewhere. Either in the firmware or something blown on the board. But the dang tx still works good. Just not the trainer port. And like I said the jack is fine.

But thanks anyways for the reply.

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12-28-2010 05:04 AM  6 years agoPost 9
dkshema

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Cedar Rapids, IA

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Just thought I'd cover the usual stuff.

I did note it was odd that plugging in the jack didn't make the encoder come alive.

Probably a blown transistor somewhere inside that sees the DSC plug inserted and that turns off the RF section while allowing power to go to the encoder.

Just out of curiosity, when you DO plug in your adapter cable, does the RF section of the transmitter shut down as it should?

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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12-28-2010 02:07 PM  6 years agoPost 10
RCHSF

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NC

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dkshema

Just out of curiosity, when you DO plug in your adapter cable, does the RF section of the transmitter shut down as it should?
Nope! Just tested it with one servo attached to the RX with my homemade battery pack. 4XAA Rechargeables. And with a mono plug in the D.S.C jack in the back of the tx, the servo still works as usual.

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12-28-2010 04:36 PM  6 years agoPost 11
dkshema

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Cedar Rapids, IA

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Bummer. Hope you didn't buy that klunker as a SIM radio...if you did, you got less than a good deal.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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12-28-2010 06:09 PM  6 years agoPost 12
RCHSF

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NC

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pretty much yeah, that's what i was going to use it for. lol but it did come with a 6ch rx, and chrager. so i can use it to fly something. right now im trying to figure out how to make a cable for a futaba 8u, it works good, and if i stick the wire in the back on pin no.2 it makes the sound that is required to operate smartpropo, but that was just one wire, if i stick the ground to the ground, it make the noise louder, but still want fly anything hmm.

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12-31-2010 06:01 PM  6 years agoPost 13
JasonJ

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North Idaho

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I am curious about why you are going through all of this for FMS unless I am not understanding something. It's a lot of hassle for a sim that is not very useful. Not trying to be a hater, it's just that you could have bought a used Realflight sim, got a controller with it, and be simming by now with something that is much more useful. I fiddlefarted with the FMS goatscrew and by the time I was done with the wire and all that I was left with a lackluster experience at best. It soured me to the sim experience until I found out there are actually good sims out there.

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12-31-2010 06:49 PM  6 years agoPost 14
dkshema

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Cedar Rapids, IA

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Some people just believe that FMS is great stuff and that buying a "real" SIM isn't worth the money. I've experienced a few here locally like that. They don't seem to balk at shelling out $30 - $40 for a used transmitter to use a free SIM but the $129 for a new copy of Phoenix is difficult to part with.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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01-05-2011 05:33 AM  6 years agoPost 15
RCHSF

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NC

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I been simming with another radio futaba 8u, works fine. But my jr 6102 the port is toast on the back. Nothing wrong with the jack, it's in the pcb circuit board, or other hardware. The connection from the jack to the main board is fine.

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01-17-2011 04:48 PM  6 years agoPost 16
RCHSF

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NC

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This radio had the battery charger end changed, and I found out why, a Trace on the board is blown that leads to the power jack on the board. So the battery has to be removed for the battery to be charged. But with all this, the radio still functions and works the servos ect as it should.

I know for 100% sure the jack is fine.

And I have inspected the board pretty well, even removed the LCD screen and looked at it, did not see any chips or anything blown. Also I went into the hidden service menu and did not see anything in it that might help.

EDIT:

I'm thinking about taking this radio back apart and solider the trace on th board, or just jump it with a wire from point a-to-b, maybe this is a blown ground and may even get the sim trainer part working.

O.K update, I tore the radio down, and solidered a wire, jumped the trace that was blown. That fixed the charging jack, and also fixed the D.S.C trainer/Buddy box port as well.

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