Upgrading Heng Long Tanks - Receiver Boards A Step By Step Visual Guide Can be used to replace a faulty joystick or a faulty transmitter board. Click here for more information on Heng Long Tanks.

1. Inside the transmitter showing connection to battery compartment.	2. View of main transmitter circuit board .	3. Close-up showing arrangement of wires from circuit board to battery compartment and switch.
4. View showing two joystick and connection to circuit board.	5. The joystick with the two 3-pin connectors has the working trims for proportional speed.	6. The joystick with the 5-pin connector does not have working trims. The connector is also different from previous non-smoke and sound version. *

* If upgrading from the older transmitter from the non-smoke and sound version and the joystick with the non-working trims is reused, use photo 6 to work out position of each wire from the joystick to the socket on the circuit board and solder each in place.

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