Agilent Technologies 54502A Manual de Serviço descarregar pdf (Página 73)

Power Supply

Assembly

Adjustment

1. Disconnect power cord from HP 1650B/51B. Refer to figure 4-1.

2. Connect the negative lead of the voltmeter to Power Supply Assembly ground.

3. Connect the positive lead of the voltmeter to + 5V on the Power Supply

Assembly.

4. Connect the power cord to the HP 1650B/51B and put power switch in ON

position.

5. Voltmeter should indicate voltage within the range of + 5.180 V to + 5.220 V.

6. If voltmeter reading is out of this range, adjust + 5 ADJ on Power Supply

Assembly to + 5.200 V % .050 V (+ 5.180 V to + 5.220 V).

Caution High voltages exist on the sweep board that can cause personal injury. Avoid

contact with the CRT monitor sweep board when adjusting the + 5V.

Figure 4-1. Power Supply Adjustments

HP 1650B/1651B Adjustments

Service Manual 4-3

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Agilent Technologies 54502A Manual de Serviço Página 73