![]() ![]() ![]() It involves cutting R25 on thecontrol unit, and installing a jumper (diagram required to locate position),then two resets in a row.I have tested these mods on my own rigs.73 - Kevin, KD2SL KC3BQ9600 baud with the TH 75I tested the follwing modification only for the 430 MHz part. If you don't already have this and would like it, I'llsend a copy if you furnish me your address. ![]() Again, actual TX range limitedby PLL tuning. Itprovides TX from 136 to 174 and 400 to 500 MHz. For the TH-75A MARS/CAPmod, removing D4 will allow TX across entire tuning range, except thatactual TX range will be limited by tuning of the PLL.For the TM-731A, there is a 'Beyond MARS/CAP transmit Modification'. Modifications for the Kenwood TH-75Modifications for the Kenwood TH-75TX across entire tuning range TH-75AI have a couple of mods that you may or may not have. ![]()
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