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HelicopterRadio - JR DMSS › JR x9303 2.4 GHz - dead firmware. Anybody know or user can write new firmware?
07-07-2008 03:50 PM  9 years agoPost 1
Epkencijus

rrApprentice

Lithuania

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Hello guys,

One nice day my radio JR x9303 2.4 GHz - dead. I`m check this radio and I know that dead firmware in the processor. Anybody know or I can somethere buy Data PC Transfer Interface and USB connector for this radio???

I know, radio have 3 years warranty, but I want to find shorten way.

Video: http://www.youtube.com/watch?v=nbwo2o_Z2JE

Trex 700 Nitro
Trex 500 ESP 3G
Jetimodels DupleX 2.4 radio system
www.evaldas-rc.com

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07-07-2008 05:08 PM  9 years agoPost 2
Heli 770

rrProfessor

USA.

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ReadyHeli

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07-07-2008 08:04 PM  9 years agoPost 3
Epkencijus

rrApprentice

Lithuania

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http://www.readyheli.com/JR_PC_Data...r_p/jrpa310.htm

You think I can overwrite firmware in the processor with this USB interface?

Trex 700 Nitro
Trex 500 ESP 3G
Jetimodels DupleX 2.4 radio system
www.evaldas-rc.com

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07-07-2008 08:21 PM  9 years agoPost 4
Heli 770

rrProfessor

USA.

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Epkencijus
I don't think you can, but with the interface. You might be able to get JR. to email the info you need and than transfer the download to your TX. I have done this before, but not with a TX. You will have contact JR. To see If they will do it. My guess is you don't want to ship your TX.
Good Luck!

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07-07-2008 08:26 PM  9 years agoPost 5
9387ASH

rrElite Veteran

UK

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Why do you think you have "dead firmware" ?

The JR Data Transfer will not allow you to write to the system firmware. It only accesses the model memory area.

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07-07-2008 08:39 PM  9 years agoPost 6
Epkencijus

rrApprentice

Lithuania

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Why do you think you have "dead firmware" ?
I have one working radio (x9303 2.4 GHz), and check this both radio and i`m decide taht "dead firmware" 99%

Trex 700 Nitro
Trex 500 ESP 3G
Jetimodels DupleX 2.4 radio system
www.evaldas-rc.com

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07-07-2008 08:47 PM  9 years agoPost 7
aschuck

rrApprentice

Las Vegas

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Are you sure you didn't turn the contrast all the way down on the display? try turning it up to see if it comes back on.

Alex

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07-07-2008 09:49 PM  9 years agoPost 8
9387ASH

rrElite Veteran

UK

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Does it give the double beep as you power it up ?

Does the green light on the back of the set power up ?

Are you getting weird lines appearing on the display that fades away to a dark area ?

Does adjusting any of the trims cause a beep ?

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07-10-2008 01:48 AM  9 years agoPost 9
Epkencijus

rrApprentice

Lithuania

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Does it give the double beep as you power it up ?

Does the green light on the back of the set power up ?

Are you getting weird lines appearing on the display that fades away to a dark area ?

Does adjusting any of the trims cause a beep ?
No
No
No
No

Trex 700 Nitro
Trex 500 ESP 3G
Jetimodels DupleX 2.4 radio system
www.evaldas-rc.com

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07-10-2008 07:57 PM  9 years agoPost 10
9387ASH

rrElite Veteran

UK

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Try changing the fuse !

If the CPU was dead, the screen would power up but give odd lines and would fade away usually into an area of darkness.

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07-10-2008 10:21 PM  9 years agoPost 11
R/C Speed Nut

rrVeteran

Galesburg, Michigan USA

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9387ASH check out the video in his first post, that may help you diagnose it.


Mike

Funky Chicken?!!..........I thought this was how you do a piro flip!!

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07-10-2008 10:40 PM  9 years agoPost 12
9387ASH

rrElite Veteran

UK

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Aaaaah, thanks for that.... didn't see that first time round.

So there is LCD activity, this means that the CPU has become corrupted. No way to reload the firmware, so it needs to have the PCB replaced under warranty.

The only way for that to happen is a power fail during the bootup period. What battery pack where you using on it ?

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07-14-2008 10:12 AM  9 years agoPost 13
Epkencijus

rrApprentice

Lithuania

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What battery pack where you using on it ?
I`m using stock battery.

I`m send radio to JR service. Thanks guys for help !

Trex 700 Nitro
Trex 500 ESP 3G
Jetimodels DupleX 2.4 radio system
www.evaldas-rc.com

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07-27-2008 08:46 PM  9 years agoPost 14
sean911sc

rrVeteran

SoCal

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Don't waste your time. Send it in for warranty repair. Your shorten way - may rinder your warranty void. Then what?

Sean

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07-28-2008 10:04 PM  9 years agoPost 15
Epkencijus

rrApprentice

Lithuania

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Don't waste your time. Send it in for warranty repair. Your shorten way - may rinder your warranty void. Then what?
Yes, I`m send radio to warranty one week before.

I`m just check two radios: one working radio and one dead radio... And I see that firmware dead.

Trex 700 Nitro
Trex 500 ESP 3G
Jetimodels DupleX 2.4 radio system
www.evaldas-rc.com

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HelicopterRadio - JR DMSS › JR x9303 2.4 GHz - dead firmware. Anybody know or user can write new firmware?
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