Usualy that is a sign that someone was trying to get more channels then it already has which is imposible to get any mor ok check this web site cbtricks.com go to the radio information section go to m look for the magnum radio section look for the deta force you should find all you need there. good luck with your projec and god bless you.
james morgan
morgans electronics
401 views
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Hi, thanks for responding. The serial number on the back of the Magnum Delta Force radio that I am repairing is 02030099. The problem is in the system control, it will TX/RX perfectly but the micro does not change channels via the chan up/down knob. It looks like someone has played with it a bit (Ahh!) but I am used to repairing equipment that HAS to be repaired even if it takes WEEKS (My day job is testing and fault finding on things like electron microscope power supplies, costing £10,000+) It would make life easier if I had a proper schematic and layout for this Magnum radio. Cheers
Thanks for getting back to me. I already tried the schematic at cb tricks. If you trace back the connections from the switches in the switch matrix then some of them go to different pins on the micro processor. Also the numbers of the switches on the pcb do not match their functions on the diagram. The schematic shows two switches for up/down frequency change which are in parallel with the rotary chan knob, these do not exist on the unit I have! Perhaps there is more than one version of the Magnum Delta Force?
WHAT IS THE PROBLEM WITH THE RADIO I CAN SEND A SCHEMATIC TO YOUR EMAIL ADDRESS I NEED TO KNOW THE SERIAL NUMBER ON THE REAR OF THE RADIO.
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