If you have little knowledge about electronics, don't solder the battery. Soldering requires technical skill in which special tools are used for soldering. If you want to solder the board, it takes some precautions that you have to follow. Put the tip of the iron on the pad so that it heats both the...

Piano is a musical electronic device with complex printed circuit board in its base. If your piano keyboard is not working then surely their occur some problem in its PCB. I recommend you to take piano to your nearest pcb repair technician who will resolve your piano keyboard problem. Don't go to an...

While soldering on circuit boards if it gets burnt a little bit, so don't worry about the traces. They are okay, they are not damaged.

If this is the first time you solder or repair some PCB tracks then I would suggest, rework on an old PCB board.

By using the new option from the track menu you can create a new stereo master fader. You will see the leve meter on the master fader that changed into the red color. Now bring down the master fader until it stops clipping and you will heat that the tone stops being destorted.