I know that a suit case programmer is needed. If I were to read the radio and program it what else is needed to do so. Not including the channels ect. what other equipment is needed, Eproms or can the old ones be reburned, cables, adapters ect you get the picture.
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MX360S VHF
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petnrdx
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I don't think you could read them. The PROM (I think a PAL actually) had little fuse-able links that were actually burned.
My recollection is that the suitcase programmer would only "burn" the "program file" into the PROM, nothing else.
And you need the correct adapters to plug the PROM into and I *think* the suitcase programmer needed to have the correct
"software" to build the program file.
It was convoluted, but compared to ordering crystals, it was great.
Been decades since I used one of those programmers.
My recollection is that the suitcase programmer would only "burn" the "program file" into the PROM, nothing else.
And you need the correct adapters to plug the PROM into and I *think* the suitcase programmer needed to have the correct
"software" to build the program file.
It was convoluted, but compared to ordering crystals, it was great.
Been decades since I used one of those programmers.
used to have two surplus suitcase programmers and 20 or so radio's with cables and adapters. radio tech I knew ordered new prom from motorola. would not program. tech said prom had been replaced by motorola and would no longer function in those programmers. I got disgusted and scrapped it all.
RFI-EMI-GUY
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There were several different PROM's. Th later ones were EEPROM's that can be erased and rewritten. It would be helpful to look at the part number of yours to see if it can be reprogrammed. Unless you have one of those, you are probably SOL. Also the programmer and adaptor need to be compatible with the EEPROM.
The MX300S was made in a couple different band splits. You can look up the part number of the preselector and other modules on the Repeater Builder and Bat Labs sites to see if the band split you have is suitable for what you need.
The MX300 is a wideband radio so now is useful only for ham radio and perhaps MURS. Not a radio for public safety use.
It would not be worth your while to buy a suitcase programmer . Instead Andy Brinkley can program for you, provided you have an EEPROM.
Once you have your EEPROM programmed, you will likely have to tune the RF pres-elector in the radio. It is not difficult to tune an MX300S radio. You need a multimeter, signal generator frequency counter and a power meter. To set FM deviation you need a modulation monitor. An older 1980'a radio scanner and an oscilloscope can be used. You will also have to set the VCO steering line voltage with a multimeter.
The MX300S was made in a couple different band splits. You can look up the part number of the preselector and other modules on the Repeater Builder and Bat Labs sites to see if the band split you have is suitable for what you need.
The MX300 is a wideband radio so now is useful only for ham radio and perhaps MURS. Not a radio for public safety use.
It would not be worth your while to buy a suitcase programmer . Instead Andy Brinkley can program for you, provided you have an EEPROM.
Once you have your EEPROM programmed, you will likely have to tune the RF pres-elector in the radio. It is not difficult to tune an MX300S radio. You need a multimeter, signal generator frequency counter and a power meter. To set FM deviation you need a modulation monitor. An older 1980'a radio scanner and an oscilloscope can be used. You will also have to set the VCO steering line voltage with a multimeter.
Just what I wanted to know, TKS.
RFI-EMI-GUY
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If you decide to use the MX radio there are two things in short supply, the PTT cover is likley to break and the only source are equally old radios. Batteries may be a problem. I suggest cutting a dead one open and wiring in two lithium ion cells in series. Don't attempt to use the original charger in unmodified form to charge it. You will need an 8.4V charger made for the lithium ion cells.
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