Illustrated guide to changing the mode of a Spektrum DX6 transmitter

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Eugenia Henry
5 years ago
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1 Page 1 of 8 Illustrated guide to changing the mode of a Spektrum DX6 transmitter Purpose Follow this process if you want to change the mode of your Spektrum DX6 transmitter. You can change between mode 1 and mode 2. It would be better, of course, to buy the transmitter in the preferred mode in the first place, or to organise an exchange with your supplier. Warning This process will void your warranty. Fine soldering is required. (There's a nice soldering guide at ) Don't blame the author if something terrible happens. You could wreck your device, burn yourself, poison yourself with lead solder and soldering fumes, or blind yourself with spattering particles of molten solder. Things you'll need Your Spektrum DX6 transmitter Phillips-head screwdrivers Long-nose pliers or tweezers Soldering iron and solder Paper clip or wire 1 x 1k Ohm resistor - Virtually any power rating ought to do. I used a 1/4 watt metal film type, as shown here. Part A - Mechanical This part of the procedure swaps the springs and ratchets between the elevator and throttle sticks. Step 1: Remove the back cover Remove the battery. The battery wire connector pulls straight out. Remove the 6 screws on the back of the transmitter case, and gently lift off the back cover. You'll see something like this:

2 Page 2 of 8 This transmitter is in its original mode 2 condition. I want to change it into mode 1 operation. Each of the stick assemblies is like the other, but rotated 180 degrees. Step 2: Remove the throttle ratchet spring The ratchet spring is the piece of metal that makes the throttle click. Undo the screw and remove it.

which parts inside the transmitter move.

3 Page 3 of 8 Notice that the ridged plastic part under the ratchet spring is lubricated. Step 3: Remove the elevator spring and spring arm Move the elevator stick and notice which parts inside the transmitter move. You'll see a spring move - that's the elevator spring. You'll see a plastic arm connected to the spring move too - that's the elevator spring arm.

Page 4 of 8 Use long-nose pliers to disconnect the spring from the spring arm. Note how the spring arm is restrained at the end opposite the spring. Remove the spring arm.

Step 4: Replace the throttle ratchet spring Put the ratchet spring onto the stick assembly you want to use for throttle. Do up the screw.

4 Page 4 of 8 Use long-nose pliers to disconnect the spring from the spring arm. Note how the spring arm is restrained at the end opposite the spring. Remove the spring arm. Note how the spring is hooked onto a catch at the base of the stick assembly. Remove the spring. Step 4: Replace the throttle ratchet spring Put the ratchet spring onto the stick assembly you want to use for throttle. Do up the screw. I just used my finger to transfer some of the lubricant from one ratchet to the other. I wasn't sure that any of the lubricants I had on hand were safe for plastic. Step 5: Replace the elevator spring and spring arm Hook the elevator spring onto the lower catch assembly that you want to use for

Page 5 of 8 elevator. Hook a paper clip through opposite end of the spring. Insert the elevator spring arm into its restraint. Extend the spring. Use the paper clip like a handle.

Step 6: Remove the bind button board The bind button is connected to a suspended printed circuit board. The board is on stilts in between the stick assemblies.

5 Page 5 of 8 elevator. Hook a paper clip through opposite end of the spring. Insert the elevator spring arm into its restraint. Extend the spring. Use the paper clip like a handle. Hook the spring onto the spring arm. Part B - Electronics This part of the procedure enables the Stick Mode menu option on the transmitter's system memu. Step 6: Remove the bind button board The bind button is connected to a suspended printed circuit board. The board is on stilts in between the stick assemblies. We need to remove that board to access the board underneath. Undo the screws securing that board. Place the board to the side. Be careful not to damage or stress any of the wires connected to that board. Step 7: Solder in the additional resistor and reset the device The main printed circuit board is in the shape of the letter 'T'. Find the two solder dots labeled R41 on the right-hand side of the T.

Page 6 of 8 Solder the additional resistor into

Try not to laugh too much at my amateurish

6 Page 6 of 8 Solder the additional resistor into that position. Resistors are not polarised, so it doesn't matter which way about it goes. Try not to laugh too much at my amateurish soldering job in the photo. Reconnect the battery. Turn on the transmitter. Use a paper clip to momentarily

Part C - Setup Step 9: Use the new system menu option Use the new menu option on the system menu to set up your transmitter in the mode you prefer.

7 Page 7 of 8 connect the two solder dots labeled 'RESET' - you'll hear a loud beep from the device. Turn off the transmitter. Remove the battery. Step 8: Replace the bind button board and back cover Put everything back together. Replace the battery. Part C - Setup Step 9: Use the new system menu option Use the new menu option on the system menu to set up your transmitter in the mode you prefer. Sources of information The process described here was based on the ideas presented at: hl=en&sl=de&u=

8 Page 8 of 8 3D68300e87dd e d30790%26postid%3D %26threadview% 3D1%26hilight%3D%26hilightuser% 3D&sa=X&oi=translate&resnum=2&ct=result&prev=/search%3Fq%3Ddx6%2Br41% 26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26hs%3D8vI About I developed this document as I performed the procedure. I changed a mode 2 transmitter to mode 1. All links were working in July Thank you I've gained a lot from the contributions of other radio control enthusiasts on various radio control internet forums over the years, especially RC Groups and Wattflyer. I owe a big debt to the online radio control community. I hope this document helps someone! -- digital21c, July 2007

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