HP 8753E - Verify the Al5 Preregulator; Power Supply Cable Locations

Al5 Al5Wl (To
Pre Reguloiur A17J2 Motherboardi
A15Wl (To
A812 Post Regulator)
A8
Post KegulatoI
Figure 5-5. Power Supply Cable Locations
Verify the Al6 Preregulator
Verify that the Al5 preregulator is supplying the correct voltages to the A8 post
regulator. Use a voltmeter with a small probe to measure the output voltages of
A15Wl’s plug. Refer to lhble 5-2 and F’igure 5-6.
17 If the voltages are not within tolerance, replace A15.
Pewer Supply Troubleshooting
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