Thanks for that info Frank, If you don't mind, what was the cost on ebay for your replacement bendix ? Įven with the bigger battery I would hook up the trickle charger from time to time since the 400 charging system was so limited! I have one of these in my dash all the time, cheap and easy way to monitor battery voltage and charging voltage.

For the older Futabas, there's a company that makes a CAMPAC module with service menu enabler (Futaba uses a special one they simply insert in the slot to access the menu), but if you need to buy one for that you could as well send the radio to the service center, it will cost you less. If any of this sounds confusing, or if you really like your JR Tx, then put down the soldering iron. When you turn on the Tx it will beep and dispay BACKUP ERR (or some other verbiage like that). All that remains is to install the back cover and all the other bits that were removed earlier. Speaking of re-installing the board, don't forget all the little springs that came out earlier. In the photo below, the new coin cell has been installed, but the soldered link is missing. The first thing to do is to place some sticky scotch tape across the front push buttons so that they won't fall out later on.

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