Yaesu FTX-1 MARS Modification

[Happy_Hamer]

MARS mod on a Yaesu FTX-1 radio.

Proceed at your own risk.

Disconnect all power.

Remove the three black screws on the bottom speaker cover and remove the cover.

Remove the three silver screws hidden under the speaker cover.

Remove the three top black screws on the back to detach the front unit.

Separate the front unit and RF unit.

Solder jumper 1 to short it.

Reassemble.

Perform a factory reset.

 

[rshoffner]

That

MARS mod on a Yaesu FTX-1 radio.

Proceed at your own risk.

Disconnect all power.

Remove the three black screws on the bottom speaker cover and remove the cover.

Remove the three silver screws hidden under the speaker cover.

Remove the three top black screws on the back to detach the front unit.

Separate the front unit and RF unit.

Solder jumper 1 to short it.

Reassemble.

Perform a factory reset.

That does not work. I tried on 2 FTX-1 Field unit heads and there was no change. Tested jumper 1 with a meter and they are definitely jumped. What am i missing?

 

[rshoffner]

That

MARS mod on a Yaesu FTX-1 radio.

Proceed at your own risk.

Disconnect all power.

Remove the three black screws on the bottom speaker cover and remove the cover.

Remove the three silver screws hidden under the speaker cover.

Remove the three top black screws on the back to detach the front unit.

Separate the front unit and RF unit.

Solder jumper 1 to short it.

Reassemble.

Perform a factory reset.

That does not work. I tried on 2 FTX-1 Field unit heads and there was no change. Tested jumper 1 with a meter and they are definitely jumped. What am i missing?

 

[Woody-202]

Did you do the factory reset? It's on that list, but I can think of a couple times I knew I had to do it and slipped my mind, and/or is it a US model?

 

[Happy_Hamer]

Did you do the factory reset? It's on that list, but I can think of a couple times I knew I had to do it and slipped my mind, and/or is it a US model?

That

That does not work. I tried on 2 FTX-1 Field unit heads and there was no change. Tested jumper 1 with a meter and they are definitely jumped. What am i missing?

 

[Happy_Hamer]

Ensure you are doing the correct reset, check your manual