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Model Rectifier Corp . ReadyHeli . Power Helis

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Main Discussion > Up Dated ,. tx battery help can it be done?or the death of a tx?
 
 
Yug
rrMaster
Location: UK. Herts

My Posts This: Topic  Forum

12 years old, sorry my bad.
I'm an engineer, so measure the volts. Check all connections, replace battery if required, check connections/soldering and so on. If your feeling in a jovial WTF mood, then get a new Tx and move on. However, your Tx will have one tiny weeny incy bitsy fault somewhere. Do you want to look for it ?

Vegetable rights and Peace
06-28-2009 02:29 AM
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ruddernate
Key Veteran
Location: sulphur,Ok.

My Posts This: Topic  Forum		props to dkshema, for the pics and walk through. that took some time.

fly it like you stole it
06-28-2009 02:33 AM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		dkshema

If it does not work, you should pick the cuase of death.lol, Thanks for the great info.
06-28-2009 02:46 AM
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cbflys
Senior Heliman
Location: Long Island NY - USA

My Posts This: Topic  Forum		If you temporarily apply voltage from a power supply before you remove the old battery, you will not lose the programming. Of course if it's already gone because the battery went dead, then you'll probably need to recalibrate and re-program.

There are also other parameters in the system menu that will need to be set, such as mode, language, etc.
06-28-2009 02:55 AM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		re-program I can do. But how dose one recalibrate it?
With a base ball bat or gun? Maybe a big truck drive over it? Or maybe have some drop it from a heli.lol
I'm think it not going to make back to the heli it was program for? As I said few posts up. I will not send it back to be fix again by horizon. heli cost to much just to trust some one who fix it many time in 2 years. Not to say how many times, But I'm not a golfer
06-28-2009 03:06 AM
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dkshema
rrMaster
Location: Cedar Rapids, IA

My Posts This: Topic  Forum		Frankly, I'm not sure how much, if any, calibration data would be stored in the battery backed NVM in this old radio.

My gut tells me that you'd lose you model setup stuff for the six different models, but may not lose the basic radio calibration info.

The 662 is a fairly plain vanilla radio that does airplanes and helis with a few bells and whistles.

I suppose while I had mine apart for the pics, I should have stuck my voltmeter on that battery to see how much juice it has left after all these years.

-----

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

Dave
06-28-2009 03:15 AM
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AirWolfRC
rrProfessor
Location: 42½ N, 83½ W

My Posts This: Topic  Forum		Once you have the board exposed (but not removed), take a voltage reading on the battery terminals WITHOUT THE MAIN BATTERY INSTALLED. If the reading is much below 3.0V (10% down or more) then replace the battery.

If not, look elsewhere for your problem.
06-28-2009 04:40 PM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		I will try it to day.
06-28-2009 05:27 PM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		check it is 2.1

Called RADIO SOUTH to day. The relpy I got was could be the back up batery. if so Will need to be replace and will need a hard startor hard calibration . So any one know what a hard start and or hard calibration is .And how to do it?
06-29-2009 09:47 PM
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VooDooX
Key Veteran
Location: San Francisco Bay Area CA, US (San Mateo)

My Posts This: Topic  Forum		DEATH BY HAMMERING SQUAD!

99.9999999999999% of an atom is empty space
06-29-2009 10:46 PM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		1 vote for HAMMERING SQUAD. Any others?
06-30-2009 12:43 AM
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dkshema
rrMaster
Location: Cedar Rapids, IA

My Posts This: Topic  Forum		It appears you really don't give a rat's rear end if this radio flies or dies....

Send it to me, for the cost of a battery and return shipping, I'll replace it for you. The worst that can happen is that you end up with a radio that still doesn't work any better than it does now. As for calibration, you could have asked the folks at Radio South if it were really a problem. I'm guessing it won't need that and that there is little, if any, radio specific information stored in the NVM (other than the six model setup info).

With the battery already at 2.1 volts, that's really approaching the retention limit of the memory anyway. If there are any secret special codes stored in that memory, there's a good chance it's already corrupted.

If it doesn't work when you get it back, then you can wail away with a hammer or any other sizable object you feel the need to swing.

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

Dave
06-30-2009 05:14 AM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		for don't give a rat's rear end about it Ya I care. I order a battary for it. Thinking about trying to put it. I just like my heli better when a bad tx. I just may take you up on let you do it.
07-01-2009 12:16 AM
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Brunobl
Key Veteran
Location: Pomerode, SC, Brazil - 26 40S 49 11W

My Posts This: Topic  Forum		Dkschema,
Quote 
When you remove the back of the 662, you'll see this:

Man, that was just short of a service manual!
Good job with the descriptions and the images. That was some walk-through.

Too bad I don't have the JR 662. I'd love to keep those photos for reference if I used this radio.

EDIT - Kudos for the offer to try and fix thtoyman's radio. In days when it's all for the $$, your kind offer couldn't go unnoticed.


...Bruno.
Spectra G sipping Avgas 100LL, Jewel generator
T-Rex450SE V2
DX7
07-01-2009 01:33 AM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		Dkschema relpy was very good. Love all the info and pics. I'm just waiting on the battery to get here. Will keep you guys up dated
07-02-2009 12:22 AM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		memory battery up date.
Well I order one gotin 3 days. . But by the time it got here. I check the memory battery again/ Now getting a reading of 0.7..

By Dkschema info set up on my laptop, On my work table, I started in it..
Just as Dkschema, posting. with great info. I did get the battery change. LoL as I was puting it back together. so how I pop the fuss. So off to radio shack. and pick up some new fusses . well any way. I just got it done.
Turn it on looks good. but it re set its self back to planes/ Also I will re-program for helis again. To night some time. I'm going to let it set over night and see if the error code come back.
But with all this,

Do you guys think it safe to use to fly a heli again?


Dkschema. I want to thank you for the great info and sweet post of pics. I keep you up date.

It taken me some time. with my bad hand. Alot of small parts to deal with, also hard on the eyes.
07-04-2009 01:04 AM
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dkshema
rrMaster
Location: Cedar Rapids, IA

My Posts This: Topic  Forum
Quote 
Do you guys think it safe to use to fly a heli again?


If the radio works, yes. I don't see any reason that it wouldn't be. As for everything resetting back to airplanes, that's most likely the default mode from the factory.

Program up a heli, check out all the functions, make sure things behave the way they should. Enjoy.

-----

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

Dave
07-04-2009 01:18 AM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		I tell you. Its great to have RR site to find the info some one needs. Some times us old guy need help to.

HAMMERING SQUAD is on hold

people helping poeple ,what life about
07-04-2009 01:23 AM
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thtoyman
Veteran
Location: Gone ,Flying.

My Posts This: Topic  Forum		Go home HAMMERING SQUAD
Radio did hold the new re-programing over night. so I'm think of try back in a heli.
No codes came back.
07-04-2009 02:20 PM
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AirWolfRC
rrProfessor
Location: 42½ N, 83½ W

My Posts This: Topic  Forum		You need to keep an eye on that new battery voltage.
Check it frequently.
You don't know why it ran down prematurely in the first place.
07-04-2009 06:12 PM
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Main Discussion > Up Dated ,. tx battery help can it be done?or the death of a tx?
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