HTX-242 Mod 136-174 RX/TX
Mod: Expands TX from 143-149mhz to 136-174mhz
Tools Required: Phillips Screwdriver, Mini screwdriver, Soldering Iron (Fine
tip) , NeedleNose Pliers
Process:
1. Remove Screws on bottom and top
2. Take the Bottom and Top off the Radio
3. Unplug Speaker from top of the radio and remove the dials from the face plate
4. Unscrew the screws on the top and bottom of the face plate.
5. CAREFULLY: remove the face plate from the radio
6. Remove the bolts and washers (little rings) from the dials (countersunk into the dials).
7. CAREFULLY: remove the LCD and plastic around it by pulling gentle and wiggling it a little being careful not to bend the LCD pins.
8. Remove the screws holding down the PCB from the cases
9. CAREFULLY: (Plug in type PCB) remove the PCB from the radio and place the VFO tuning dial face down and to your left.
10. There will be two blue jumper mounts on the PCB. Remove the 1 closest to the 2 black raised chips that are closest to the VFO tuning dial (this jumper should be near the middle of the board) The other jumper makes
the transmitter do 143-144 (military) and it is near the side.
11. Put all the parts back together and blamo you have 136-174mhz RX/TX