HP 425s Dokumentacja Pobierz pdf (Strona 87)

Checkout Procedures for Model 400t, 425t, and

400dl Systems

This section deseribeshow to check the power supplyoutput to the system unit

and how to check the calendar battery.

WARNING: These promdures involve the verification of

high-voltage components. They

should be

performed by qualified servicepersonnel

only.

CAUTION

‘Aesum‘hatyou‘Pror?vdd

before you attempt any oft e 01owing

promdurea. Use an antistatic mat with static

straps and other static prevention devieea

whenever possible.

Figure 4-12 shows the power connections, which are referenced in the proce-

dures that follow.

Fi~m 4-12. Pbwer Connections (Model 400t, 425t, and 400dl)

Troubleshooting 4-15

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HP 425s Dokumentacja Strona 87