Explosive hazards, such as a damaged CRT face or
bulging capacitor
Mechanical hazards, such as loose or missing
hardware
The guide consists of a series of steps presented in a
checklist. Begin the checks with the power off, and the
power cord disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or
sharp edges).
2. Power-off the computer. Disconnect the power cord.
3. Check the power cord for:
a. A third-wire ground connector in good condition.
Use a meter to measure third-wire ground
continuity for 0.1 ohm or less between the
external ground pin and frame ground.
b. The power cord should be the appropriate type
as specified in the parts listings.
c. Insulation must not be frayed or worn.
4. Remove the cover.
5. Check for any obvious non-IBM alterations. Use
good judgment as to the safety of any non-IBM
alterations.
6. Check inside the unit for any obvious unsafe
conditions, such as metal filings, contamination, water
or other liquids, or signs of fire or smoke damage.
7. Check for worn, frayed, or pinched cables.
8. Check that the power-supply cover fasteners (screws
or rivets) have not been removed or tampered with.
Related Service Information
423
Содержание 300 Series 6268
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Страница 221: ...Notes PC 300 6563 6564 6574 Aptiva 2178 2198 211...
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Страница 237: ...Parts listing 304 Special tools 307 PC 300 6565 227...
Страница 281: ...System board layout 12345678 OFF OFF 1234 PC 300 6565 271...
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Страница 363: ...Bezel removal Top drive cage removal IntelliStation 6868 6878 353...
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Страница 399: ...Notes IntelliStation 6868 6878 389...
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Страница 449: ......
Страница 450: ...IBM Part Number 09N8610 Printed in U S A S N 4 19 2...