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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.
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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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