{ "numMessagesInTopic": 4, "nextInTime": 2348, "senderId": "eSpRJFr7Th9smXpidACiI8YI4JYQYUnh0AJ5Cr24CnMXS1tSlPNjiv4VZRHX6ST4C8EV68bG_q9RVxmXS21TwA8u39mzPZCuElFjCKi7bak", "systemMessage": false, "subject": "Re: [GE-Mpa] Programming troubles M-PA", "from": ""Don E. Wisdom" <donw@...>", "authorName": "Don E. Wisdom", "msgSnippet": "If your using the simplified TQ3370 it cannot flash M-PA¹s only the genuine TQ3370 or the price industries rib will supply the necessary flash voltage. The", "msgId": 2347, "profile": "k00ld00d", "topicId": 2344, "spamInfo": { "reason": "0", "isSpam": false }, "replyTo": "LIST", "userId": 119820702, "messageBody": "
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\n>I forget to mention that I have URP9600 on the LCD and yes, I do have a
\n>true COM with true RS232 levels... +/-12V... I do power up the radio
\n>after the cable is connected but still have a rece8v8ng error on PC. I
\n>suspect something wrong with the PC SW because the radio send data as I
\n>hooked an oscilloscope on both Rxd and TxD.
\n>I also tried to write some channels into a blank file to upload it on the
\n>radio but still "Read error" after some time and the radio reverts to
\n>beeping state and Pers Error.
\n>
\n>On March 3, 2015 5:28:19 PM EET, "wd8chl wd8chl@... [GE-Mpa]"
\n><GE-Mpa@yahoogroups.com> wrote:
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\n> First and foremost-TURN THE RADIO OFF before you connect the cable!
\n>That
\n>is true with ANY radio that has PC programability. Ignore any other
\n>statements otherwise!
\n>Once the cable is firmly attached, turn the radio on. Since you have a
\n>"628" logic board, which is EDACS non-digital capable (meaning you
\n>cannot put a Voice Guard or AEGIS digital audio board in it), I'm pretty
\n>sure when you turn it on the display should say "URP9600". If it does
\n>not change, the radio is NOT in programming mode, and you can't do
\n>anything. However, I have had issues with this, and it may take a few
\n>tries to get it into programming mode. Sometimes, I can hold in the
\n>'blue button' on the side (just above the PTT button), and force the
\n>issue. (If you do that with the programming cable unplugged, you should
\n>get a message that will tell you what flash version you have.)
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\n>If you find you can't get it into programming mode, the cable may be
\n>bad. There is a chip resistor in the connector that is what the radio
\n>senses to put it into programming mode when the radio powers up. An
\n>aftermarket or homemade cable may have missed that. But it won't work
\n>without it.
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\n>As to your PC, if anything it's a bit on the slow side, but should work
\n>Ok. There is no issue with processor speed on anything other than
\n>*really* old Motorola radios that used a baud rate clock routine that
\n>was tied to the processor speed, which resulted in faster baud rates on
\n>faster computers, quickly going too fast for the radio to keep up. That
\n>has never been an issue with GE.
\n>The issue is having a real RS-232 port on the PC. Except on the very
\n>latest radios/software, USB is, at best, iffy. And running it in
\n>Windows, or even a DOS window, won't work. But you are running a true
\n>DOS environment, so you should be fine.
\n>I've been able to program most radios of this vintage with most any
\n>vintage Pentium, even a P4, with Win98SE, as long as it had a true
\n>RS-232 port. With Win95/98, if you hit the "Start" button, "Shut Down",
\n>you should get a selection that says "Restart in DOS mode." That will
\n>give you a true DOS environment, and I've never had a problem using that.
\n>In fact, many people have done just fine with a dual or quad-core modern
\n>PC, as long as it had a real RS-232 port, and they made up a way to boot
\n>it into a true DOS environment, usually by booting from a DOS CD or USB
\n>thumb drive.
\n>
\n>There's a bunch of information on these in the files section of this
\n>group, and there are some other groups that have more generic
\n>GE/MA-Com/Harris radio info as well.
\n>
\n>On 3/3/2015 4:04 AM, yo3hjv@... [GE-Mpa] wrote:
\n>> Hello and thank you for letting me in. My name is Adrian, YO3HJV and
\n>> I do have a long history with various Motorola early model
\n>> programming. A few weeks ago I find an old but good looking GE MPA
\n>> System and I took it as a challenge to make it work in the ham UHF
\n>> band. After pressing STEP a few times, the radio entered in CONV TEST
\n>> with some simplex channels. I find I6QIZ simplified TQ3370
\n>> programming interface, made it and tried to read the radio. With a
\n>> scope I saw that the PC was transmitting the init to the radio but no
\n>> answer back. I opened the radio to identify the RxData and TxData on
\n>> the MC68 MCU with no success. After some emails with Luca, I found
\n>> that a ground to pin E9 on the radio was not OK. Unfortunately, after
\n>> packing the radio, a PERS ERROR was on LCD and a quick succesive
\n>> beeps on the speaker. Looks to me like a reset was occured.
\n>>
\n>> My setup is: PC> a Pentium 1 @ 133 MHz with true COM port Full DOS
\n>> OS I6QIZ interface GE version 12 RADIO: Logic board has a sticker
\n>> with 19D902628G4 on it and has a strange cylindrical Li Backup
\n>> battery. The RF board has a sticker with 19C337097G5 rev C
\n>>
\n>> When I try to read the radio, I receive a data error. The scope shows
\n>> that the radio is sending data to PC.
\n>>
\n>> I am stuck here. First of all, the error can be due to the "fast"
\n>> PC?
\n>>
\n>> Can anyone give me a hint here?
\n>>
\n>>
\n>> 73 de Adrian, YO3HJV
\n>>
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\n>--
\n>Sent from my Android device with K-9 Mail. Please excuse my brevity.
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