MTX9000 won't accept programming

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n9upw
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MTX9000 won't accept programming

Post by n9upw »

I have a MTX9000 that I am able to read, however when I attempt to program the radio, it goes through the writing process, even reboots the radio, however, none of the changes I made were written. I re-read the radio, and the old codeplug is there again. I've cleaned the contacts on the radio, I've used the RIB on a HT1000 and MTS2000 without problems. Anyone have any ideas?

Derek
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Post by AEC »

It appears the radio responds to the RIB strobing the data bus, but that's all, which causes the radio to act as if it was in a loop or test mode, but since data was never written to the codeplug, I would check the contacts of the radio inside the case and behind the rectangular steel retainer, and see what the spring fingers look like, or if there is any form of oxide/corrosion.

Remove the flex and inspect the assy, and make sure all ribbon flexes are firmly seated in their respective sockets and that the clamps are down securely as well.

The side accy connections may have shifted and are no longer making direct contact, which can cause errors and not programming the radio as well, although it may appear that way as one contact is being made that forces a P.O.S.T.
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wavetar
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Re: MTX9000 won't accept programming

Post by wavetar »

n9upw wrote:I have a MTX9000 that I am able to read, however when I attempt to program the radio, it goes through the writing process, even reboots the radio, however, none of the changes I made were written. I re-read the radio, and the old codeplug is there again. I've cleaned the contacts on the radio, I've used the RIB on a HT1000 and MTS2000 without problems. Anyone have any ideas?

Derek
That is a little known issue with the MTS/X series of radios...your radio battery voltage is low. Charge your radio battery or switch it with a known good charged battery & your problem will go away. Been there, done that.

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Post by AEC »

(quote)That is a little known issue with the MTS/X series of radios...your radio battery voltage is low. Charge your radio battery or switch it with a known good charged battery & your problem will go away. Been there, done that.(/quote)

Good thing none of my MTS2000s or MTX series radios suffer from this malady...I've had battery chirps and was always able to program, but then again, this doesn't mean all will work with low batteries.
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mancow
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Post by mancow »

It can happen with the Systems Sabers too. I sat on a box of Uhf Systems Sabers for months with no way to program them. They would look as if they were taking the programming but nothing changed.

I happened to try another RIB power supply and they all wrote just fine.
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n9upw
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Post by n9upw »

Well, the saga continues. I did manage to try a newly charged battery and still no luck. I did however mess with the ribbon cable inside the radio, and when wiggled just right, I got a communication fail error. Not sure if this is the culprit or not. I was wondering if I could take the case off of a known working HT1000 and plug in the ribbon cable from the 1000 into the MTX radio? Is the cable and pinout of the side connector the same?
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mancow
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Post by mancow »

Yes, they are the same.
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Post by AEC »

There's a 'rub' here...you can swap flex assys IF they are the same model types....You can't swap and use a Model I flex in a model III, nor can you use a model II in place of a model III flex...the controller will error due to the difference in the way the memory/display is used.
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n9upw
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Post by n9upw »

Well, for those of you following this, I've been able to try a few more things, and still no luck. I was able to swap out front cases with a different flex assembly and I am still having problems. I also tried another RIB with fresh batteries and LAB software without success. Could this possibly be a bad codeplug that can't be brought back to life? I'm still scratching my head......
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Post by AEC »

Check the bottom of the case....there's a flex connection located on the bottom that ties/contacts the frame's spring fingers of the radio, and if these fingers are bent up, or sideways, then the radio will probably not function properly, or at all.

Bad codeplug data IS a major PITA with Systems models as every entry point MUST have something filled in, no '??' in ANY fields, or options unavailable can be selected either.

Same goes fro frequency entries...The entire field MUST be filled...IE....
444.40000 and not 444.4000, ALL the remainign zeros need to be entered.

Phone revert fields must NOT have the dreaded '??' in that field entry, nor can autodial/phone be enabled without having a channel enabled for phone use....the RSS will demand you fix it before you will be allowed to program the radio.

The Systems Sabers are a royal pain to get 'right' the first time, unlike standard models which are far less fussy.
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Post by Einstein »

I had the same situation with an XTS 3000 800 that I wanted to load into the the radio one more trunking system. The radio had quite a few in it already along with conventional channels, so when I tried to load one more, the radio did just what you described. I checked and re-checked all connections, battery, etc. and came to the conclusion that I tried to program in more systems than the radio would handle. The spec's give how many conv. channels but I do not think it gives how many conv. and trunked systems that it can accept. My 2 cents worth.
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