Batboard

VE3TUH

Just curious, do both rx and tx error when trying out of band? I know the mtr2000 uses a resistor array in the pa to determine band, it may be the same with the 3000.

VE3TUH

Try Kurt Graber from KG electronics. He fixes these older boxes. Could be anything from a power supply going south to a failure in one of the modules.

VE3TUH

Well, 0.8k deviation is not very much, even if narrow band. I just looked at a uhf mtr with low and distorted audio for a local club. The issue was found to be in the control board. replaced it, full audio.

VE3TUH

Hi all. I have a dead xpr5550 brick here. computer cannot see it via usb or serial, control head is off a good working one, so the issue is inside the brick. Got burned on a fleabay deal, but at least he refunded my cash. Any pointers or ideas where to look? Thanks! Be a nice one to bring back to li...

VE3TUH

I believe you would have to use lab to reflash the model number of one of the radios to match the other one, before a clone could take place. Otherwise you are stuck cutting/pasting. Pretty sure. I know, pain in the butt.

VE3TUH

Talk to kurt at kg electronics. You can google it

VE3TUH

Talk to kurt at kg electronics. You can google it

VE3TUH

I would involve KG electronics, honestly. I think he is a retired IFR employee, runs his own business now, and specifically repairs ifr 500, 1000, and 1200 units. I have used him a few times as I have a few of these boxes, he is meticulous and honest in his repairs. Just my .02. You shouldn't MacGyv...

VE3TUH

Personally I have alot of radios, some I dont use much, I charge the batteries, put them in a baggie in the fridge. Seems to work to slow down cell degradation.

VE3TUH

could probably get 2 charactor display, and maintain same size, if you realign the led's across the bottom. But good job.

VE3TUH

Hi. I have a question for anybody who can offer an opinion on this. We have a fleet of radios, some newer xpr series with li-ion batteries, and some ht1250 series radios with older battery technology. The business is a ski resort. My question is this, how best to maintain batteries over the summer? ...

VE3TUH

Hi. Anybody have any experience with a good vhf low profile antenna for a fiberglass installation? I am looking to put one on a snow groomer with a winch on the back, the winch spins pretty close over the roof of the cab. I did some googling, one I came up with for transit applications wants a 1 5/8...

VE3TUH

Hello guys. I am sorry if this is easily searched, I have tried and my search function does not seem to be working currently. I have a couple of xts3000 vhf's with bad displays, I am wondering if I can purchase those cheap 800 mhz units off ebay for using the displays out of them, I seem to remember...

VE3TUH

sorry, that should have been 12 or 24 volt...

VE3TUH

looks like there is one on ebay right now for 80 bucks. Really your only question is if it is a 12, or 244 supply, and I think yours is a 12 volt model.

https://www.ebay.com/itm/Motorola-Quant ... SwCWNcQOjo

VE3TUH

You need to read, and reread, your donor eproms. Until you get the same checksum more than once. Then you need to take a BLANK eprom, and reprogram it with the donor information. Then compare bits with your originals, that all match. As above, there are several different vintages, not all versions w...

VE3TUH

gotcha. I was looking at the bottom connector. Thanks for that information, think I'll get one to play with.

VE3TUH

hey, thanks for that feedback! However, i do not see anywhere on the xts4000 where you would use a screw to secure the bottom adapter in place?

Randy

VE3TUH

I fixed the issue, thought I would post the result. I was also having issues with a xts2500 reading/writing as well. Fresh install of win7 fixed all issues, and with all my favourite "M" programs, and office to boot, plus some other stuff, only using 35gb of disk space. Hated to take that ...

VE3TUH

no, its the itronix gd6000 machine.

VE3TUH

No MOL access here, unfortunately. I did find an RNDIS driver installation utility, which installed Mototrbo drivers ver 4? Anyway, same issue after.

VE3TUH

Hi. I am having trouble getting TRBO cps to work with one of my windows 7 machines. Works ok on another. I have tried a complete removal and reinstall, no luck. What is happening is the TRBO drivers are not loading correctly for the radios, when I connect to the usb port the radio shows up under dev...

VE3TUH

You have corrupted the radio codeplug. Would be curious what programming hardware you were using, real rib, aftermarket cable, dos in a box, etc. It may be recoverable with depot if you have it.

VE3TUH

Did you test with the proper charger to see if this behaviour is consistant or just related to your aftermarket charger? And no, you shouldnt have to power down to charge the battery. However, a friend of mine has an SL300 with similar charging issues.

VE3TUH

Hi Everybody. I have a vhf mcs2000 model 3, and an 800 mcs model 1. I would like to exchange the control heads. Anybody have srecords for a vhf model 1, and an 800 model 3?

Thanks!

VE3TUH

Since it ties right into the +12v on the repeater, I was leery of using a battery charger. It would have to be a pretty good one. Anyways I did manage to fix the Argus, but still wouldnt mind getting schematics, or even a spare Argus unit if the price was right.

VE3TUH

Hi. I have a site that was hit with a power surge, and blew up my argus 12 battery backup unit. Its a 010-519-20. ANY chance somebody might have schematics for this thing? I have been into it, both fuses blew as well as a diode, fixed that but i cant get the relay to energize that supplies the load ...

VE3TUH

I actually found a iden speaker mic at Dayton this year. while the connector does fit, it wont stay on as the xts4000 has a different attachment system. We never did test it for functionality.

VE3TUH

Hi. I thought I already posted this question, but cannot find it. Sorry if 2 posts! Is anybody aware if the iden speaker mics on ebay are compatible with the xts4000? They appear to have the same connector as the bottom jack on the 4000, I wouldnt mind picking one up if they would work. For example,...

VE3TUH

I have found 1 noise cancelling palm mic by Motorola, HMN4016A, but it is discontinued, and NLA. does anybody know if there is a replacement for it?

VE3TUH

Hi. I am wondering if anybody might know of a noise cancelling microphone motorola might make for their mobile radios. I have 4 radios in machines with a high noise floor, and the operators dont want to wear headsets. There are currently 3 xpr2500's, and 1 cdm1250, these of course are running in ana...

VE3TUH

Getting DOS to boot up is only half the fun. Additionally, he will need a real serial port. Then the clock speed of his pc will not likely allow communication with the radio. IF he has a pc with a real serial port, AND a bios that will allow it, he might be able to turn off L2 cach, which may slow i...

VE3TUH

Mine does not show version upon power up, but the firmware chip is labelled with 340143-90441, NICD, NIMH. It would be really good if it could support Lion as well, would breath some life into it as we are slowly switching all of our batteries over. I wonder if a replacement firmware chip exists tha...

VE3TUH

Yep I've done it. I am guessing that the UHF circuitry for band identification may be similar to the VHF, at least hoping so.

VE3TUH

Hi. Not real hopeful here, but thought I would throw this out. Looking for the schematics for the MTR2000 UHF 100 watt amp. Looking to find the band identifier resistors and play with them. I would also be willing to purchase a manual if anybody has one.

Randy

VE3TUH

Trying it on a Win XP machine and no programming issues. It is weird though, as I can program my xts5k's no problem, same cps v9, only issue is with the 2500 and win 7. It does seem to read the radio ok, but for some reason seems to think the feature set has been changed when attempting to write back.

VE3TUH

Hi. I have an XTS2500 here, that I program with V9 cps as it has fpp with trunking in it. I am running into a bit of a programming issue with it right now though. I read the radio with v9 cps, and even without modifying the codeplug when I attempt to write it back to the radio, I get the error "...

VE3TUH

Thanks kb8poo. The station alignment worked. Never thought to try that, as it was inservice and working when it failed, but doing the procedure on it restored the tx audio.

Randy

VE3TUH

I am thinking it needs its firmware reloaded, red/green flashing is what it does when in firmware upload mode. Any chance you know what its current firmware ver is? I did once get a SCM recovered from this scenerio by updating its firmware.

Randy

VE3TUH

Thanks, I never thought to try a codeplug rewrite. I'll give it a shot.

VE3TUH

Never had a problem with any of my win 7 machines. They know win 10 is out there, and like to keep offering it. However, I do not download updates automatically, rather I do them manually.

VE3TUH

I have to agree here regarding W&W. We tried dealing with them for years. Good to deal with, and they always replaced their junk batteries. Problem is, they ALL were junk, you were lucky to get a year out of them. After several years of this we finally clued in and started buying batteries elsew...

VE3TUH

Sorry. I know that is true between the A3 and W3, different heads, different faceplates on the radio. I expected that the extension cable would be the same, though.

VE3TUH

I expect that the control cable is a simple db25 to db25 straight through extension cable, as you can simply also just plug both the A3 and W3 hHCH directly into the radio. So I would have to guess that yes they are the same. This thread probably does not belong in the buy and sell, though.

VE3TUH

I dont know. I didnt realize what a gem I apparently have here. It is how I figured out how to trick the 100 watt pa into thinking it was a 40 watt, getting full freq range, but lower power out of it. guess I'll dive into the controller when I have time, cant do any harm, and possibly fix the tx aud...

VE3TUH

The disbelief is almost insulting.

Service Manual, complete with schematics 68P81096E40-O
Instruction Manual 68P81096E30-A

VE3TUH

The schematics are in the service manual. I have the manual, but it will not be an easy task to repair, its a pretty complicated unit. Which is why I was wondering if anybody else has any experience with it. I did some testing and found that the local mic audio is also muted, which should help to is...

VE3TUH

Hello Guys. I have several MTR2000's, vhf, in hamster service. They have proven to be a pretty reliable machine and I really like them. I just had one fail with no repeated tx audio. The problem appears to be the control board, swapped it out, retuned and all is good. I would like to try to fix this...

VE3TUH

Same here. I have noticed that the vhf sl300, with the stubby antenna, recieves a pretty weak weather station at my location as well or better that my ht1250's with nosepickers. I am guessing that part of the antenna must be built into the radio case or body. Good idea if so, and I am pretty impress...

VE3TUH

I wonder if some form of preselection might help you, in the form of either a formal preselector, or just some tuned cavities on your RX.

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