Caple C871i Bedienungsanleitung PDF herunterladen (Seite 164)

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Apple II Computer Info

fry. Globars can poof; but, then, you would be getting no power at all.)

Coils can poof; but, this is fairly rare.

Use your nose, too. Lots of times it can zero-in on the problem area. A

blown electrolytic cap smells a bit like burned bakelite.

If your +5V line is reading low, the power supply should be pulled and

checked. One test is to clip a 10 Watt 10 Ohm resistor between +5V and Gnd

and measure each of the voltages from the output to Gnd. If any voltages

are low, then open the supply and look/sniff around. You should find one

or more caps with scum at the base and a distinctive scent and/or a

charred choke coil or a cracked rectifier diode..

If the power supply seems okay, you can try increasing the load on the

+5V line by adding another 10 Watt 10 Ohm resistor in parallel with the

first. If it's still okay, suspicion shifts to some kind of short on the

motherboard, probably on the +5V line.

Replace any bad components.

Rubywand

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Apple II Computer Technical Information : Apple II Family Hardware Info

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