Hi all,
This is a hardware/tech type situation and help would be appreciated please, if it's solvable. My Palm Pilot Tungsten E hasn't been charging using the AC adapter (used the USB to charge), and the power switch hasn't been working.
After months, I finally took the unit apart following directions from a site.
The power switch was detached from 2 of its 4 contacts and was hanging down. I re-soldered the power switch using a 25w soldering iron, carefully placing a small amount of melted solder on each contact by briefly touching it. Then I used the unit; it worked just fine. The problem developed when re-soldering the 5 pins for the charging plug.
While doing the back pin, I touched something on the board just behind the plug with the iron. It was either two contacts (shorting them with solder) or more unlikely a component (destroying it). While gently removing the solder between the 2 contacts with a box knife, I may have cut an etched circuit.
The unit now won't turn on. The A/C charger works when plugged in (battery voltage, measured with a VO Meter between the red & black wires, shows a voltage increase). I can't check for a hotsync since I don't know how to initiate it from the computer desktop or the Palm Desktop. I'd backed up and copied my data.
I just then also noticed that a chip is cycling hot/cold. This may be normal, or not. The chip is: 1.1 cm square, its 1.1 cm above the back of the charger plug-in. On the chip is:
OMAP(tm), POMAP310GGZG, 44A7H6W $4
Here's a diagram of the damaged area. Can anyone tell me which etched circuit lines should be connected? And how to re-connect them, if possible? Please excuse the poor attempted drawing. :-) Proportions & locations not totally accurate.
Legend: ___ = undamaged (good) horizontal etching/circuit lines | = good vertical etching/circuit lines / = good diagonal etching/circuit lines
0 = connect points on board [[ ]] = square unit located above \\\\ = shaded area on board, possible connect points xx = possible areas of scratched etched linesDiagram: _________ | [[ ]] |