7-4 120 Series Maternal/Fetal Monitor Revision B
2015590-001
Calibration: Power Supply Voltages—Verification
Isolated Power Supply Board Voltages
This procedure performs an adjustment on the Isolated Power Supply Board.
1. Connect the positive lead of a digital voltmeter to TP7 on the Isolated Power
Supply Board.
2. Connect the negative lead to TP8 (isolated ground).
3. Adjust R7 for a reading of +16.50 Vdc ± 0.15 Vdc on the digital voltmeter.
Isolated FECG/UA Board Voltages
This procedure performs an adjustment on the FECG/UA Board.
1. Connect the positive lead of a digital voltmeter to TP1 on the FECG/UA Board.
2. Connect the negative lead to TP2 or TP3 (isolated ground).
3. Adjust R28 for a reading of +4.00 Vdc ± 0.01 Vdc.
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