[sdiy] DX7 battery replacement help

[Paul Schreiber]

>> -- which specify a maximum 40w soldering iron ("or you WILL fry the 
>> board").

Heat does not equal temperature. Heat ('wattage') is the *capacity* to 
deliver a certain temperature based on the conditions (area, ambient 
temperature, etc).

>>
>> i have a Weller WTCPT, which is 60w. i'm fairly handy with a soldering 
>> iron and the actual soldering looks pretty simple.

Errr...no. The wattage of the *soldering iron* is 42W. 60W is the AC power 
requirement.

See this:

http://www.mcmelectronics.com/content/ProductData/Manuals/96-030.pdf

Paul S.