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Laws for Electronic Technicians
Even though this is titled Laws for Electronic Technicians it seems like they all apply to working on cars, too.

Laws for Electronic Technicians
  • The ease with which a device can be replaced is inversely proportional to its accessibility.
  • If a machine has a self-test program the problem will be elsewhere.
  • The easier a problem is to fix the harder it will be to find.
  • If you don't believe in black holes drop a small part.
  • An excellent troubleshooting job will always be attributed to luck.
  • The more expensive a tool the least likely it is to be useful.
  • The difficulty of the repair is inversely proportional to the time allotted.
  • After the iron is tinned, the parts cleaned, the light adjusted and the part number double checked the solder will go where it darn well pleases.
  • If it's a good soldering job the chances are the wrong part was replaced.
  • It takes exactly the same amount of time to lose a part as it takes a soldering iron to heat up.
  • Problems always come in threes. If you find four problems it means you’ve overlooked two.
  • If the schematics are easy to read the problem is in the wiring harness.
  • When troubleshooting, do not rely on luck, pray for it.
  • Experience is directly proportional to equipment ruined.
  • First Law Of Troubleshooting: Smoke coming from a machine always has significance.
  • Second Law Of Troubleshooting: Intermittent problems are always mechanical except when they're electronic.
  • Third Law Of Troubleshooting: the part of the circuit that you are certain is uninvolved in the problem is always the cause of it.
  • Corollary to the Third ·Law: repairing the cause of the problem will always create another one that is more difficult.
  • The primary reason a technician should have expensive test equipment is to provide him with something to fiddle with until he finds the loose wire.
  • The best video game technician is always a double-jointed midget with three hands.

“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
[+] 2 users Like Don C's post
Don, All of those things are very true. I was a electronics technician for 13 years (USAF & FAA) and saw all of those things happen. Chuck
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