tm-731 frequency and cross band repeater
the tm-731a will transcive between 136-174 mhz and 400-500 mhz as well as perform cross band repeter function when the following modifications are performed.
remove both the top and bottom cover. disassemble the front panel such that the control unit (x53-3250-xx) is accessable.
remove r121, r123 and r25. while r125 snd r124 must be present.
if the time-out timer function is not desired, remouve r122 as well.
reassemble the unit and perform a microprocessor reset before operating the set.
preserve your license by operating whithin the bands it is cover for.
1 拆开机器上下盖 拧开紧着 前盖的两个螺丝 拔下波段开关 音量选扭等 把前盖与机体脱离.
2 拧下前面板的几个螺丝 是前面板和后面板拖开.
3 拆下r121 r123 两只0欧姆的电阻
4 按英文原贴需拆r25 r122 但我都没拆
5 机器按vfo 开机 复位
6 执拼后 按f 在按abc键 打开中转使用
