Modifying a TS9 to TS808
Step 8: Checking the opamp
Look for the lone integrated circuit (IC) on the board. If it doesn't say "4558" on it, you are in for some extra fun. As you can see, I'm in for extra fun. Get more beer.
Previous: Flipping the board
Jump to step:
Necessary Materials
Removing first two screws
Removing hatch and screws
Removing rear cover
Remove protective film
Removing the final screw
Flipping the board
Checking the opamp
Noting the resistors
Desoldering the resistors
A properly desoldered pad
Removing the old resistor
Inserting the new resistor
Bending the leads
Solder and clip
Identifying the IC pads
Desoldering the IC
Removing the IC
Putting the socket in place
Soldering the socket
Sizing up the new chip
Inserting the new chip
Closing up shop
Next: Noting the resistors
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