Step 1 -

Approach the ailing instrument in a confident manner. This will give the instrument the mistaken idea that you know something. It will also impress anyone who happens to be looking, and if the instrument should suddenly start working, you will be credited with its repair. If this step fails to works, proceed to step 2.

Step 2 -

Wave the service manual at the instrument. This will make it assume that you are at least familiar with the source of knowledge. Should this step fail to work, proceed to step 3.

Step 3 -

In a forcible manner, recite Ohm's Law to the instrument (caution: before taking this step, refer to some reliable handbook to be sure of your knowledge of Ohm's Law). This will prove to the instrument, beyond the shadow of a doubt, that you know something. This is a drastic step and should be attempted only if the first two fail. If this step fails to work, proceed to step 4.

Step 4 -

Jar the instrument slightly. This may require anything from a three to six foot drop, preferably on a concrete floor. However, you must be careful with this step because, while jarring is an approved method of repair, you must not mar the floor. Again, this is a very drastic step. If it fails, proceed to step 5.

Step 5 -

Brandish a large screwdriver in a menacing manner. This will frighten the instrument and demonstrate your knowledge of the deadly "short-circuit" technique. If this fails, proceed to step 6.

Step 6 -

Add a tube...even if the instrument is solid-state. This will prove that you are familiar with the instrument's design. This will confuse the instrument and thereby increase your advantage. If this doesn't work, proceed to the most drastic and dangerous step. It is seldom needed and is a final resort if all else fails!!

Step 7 -

THINK....!