Originally Posted by CrazyLegsFE
Check all the solder connections as alot of the connections in the TX and the Heli are obviosly hand soldered. I retouched everything in the TX and the Heli and it helped there was also a lot of splashed solder all over the TX board and im surprised that it worked at all. I took it apart to find a 5v connection to power the amplifier I'm about to try. Mike listed earlier in the the thread if your interested.
You'll need a 5V voltage regulator to drive this booster - just a few cents in your lokal electronic parts shop