Originally Posted by willygee:
Originally Posted by GGG:
As stated in my original post. About 2.5 to 2.7V depending on battery charge. G
Didn't see 2.7 volts in original post...but just took a reading after 15 mins of running and got a reading of 2.73 vdc on live track..comments very helpful.
Next ?..if the battery went completely dead would this harm the board?
NO you did not, but you saw about 2.5 the battery charge! A recently charged battery is about 2.7V
Yes I think it can. A shorted one definitely can, but a real weak one that drags down the 5V Regulator, forces the processor to lower the audio out. When ever I hear the processor kick in to save itself I immediately shut it down and get a good battery.
You will know it when you have the volume up full, it starts up at full volume, but as soon as the start up sequence is completed the processor reduces volume to half. If you measured the voltage at the terminal it would be below 2 to 2.2. The lower the voltage the more the electronics are operating on a fringe.
I equate it to running a loaded car up a hill in fourth gear at slow speed. Why make it lunge. I know it is not completely the same, but I burn through power supply charging parts faster than audio amps now a days.
I recently had a battery that did this. It was an older one and could only hold a charge for a few shutdown sequences. Before I charged it would force the processor to reduce volume. After 2 charge sequences it could only play a few shutdown sequences before it would not complete them. Why over work the charging system.
As Marty says, just toss it and get a new one. The good news is these batteries seem to last longer than 7 years, and they do die gracefully. G