Spektrum DX7 LCD  Backlight Modification

This modification uses an electroluminescent panel behind the LCD to provide the backlight.  This is preferred to an LED lighting scenario due to the uniform lighting from behind as shown in the picture.

The technical instructions provide full color photographs to guide you through the whole process, as well as a list of parts and where to get them.



Q: What format does the technical document come in?
A: The document is delivered in an Adobe PDF format.

Q: What is included in the price?
A: The complete technical instructions to accomplish the modification, a parts list, and required tools list.

Q: How much current does this modification draw?
A: My configuration shown above was measured at 38 mAh.

Q: How long will this modification take?
A: This modification should take an average modeler about 2 hours to complete.

Q: Do I need any special tools?
A: Anybody that has been into modeling for any time at all should have all the tools necessary to complete the job.  A soldering iron will be required.

Q: Can I turn the backlight on and off?
A: The modification that I completed does not include a switch , but I did include a schematic and switch part numbers if a switch is desired.

Q: Will this modification void my warranty?
A: I have not personally confirmed this with Spektrum, but I would say that it does void your warranty.

Q: How much will the parts cost?
A: The parts for my modification cost $38.00 including shipping.

Q: Can these instructions be used for other models of transmitters?
A: Although I have not modified another type of transmitter, you should be able to modify any LCD display that is accessible from the back side.   


Please e-mail me if you have any further questions or concerns.