Adjustment 6 Voltmeter Offset And Sensitivity - HP 8901B Operation And Calibration Manual

Model
8901B
Adjustments
Supply
Adjustment 1
Voltage Limits (Vdc)
Maximum
Test Point
I
POWER SUPPLY
Service Sheets 31 and 32
Description
The +15V supply is adjusted, and the other supplies, which are dependent upon it, are checked.
Equipment
Digital Voltmeter
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HP 3455A
Procedure
1. Set the voltmeter
to measure +15 Vdc. Connect its input to AlOTP3 (+15V SW).
2. Adjust A10R24 (+15V) for +14.99
to
f15.01 Vdc at AlOTP3.
3. Check the other supplies with the voltmeter as indicated in the following table.
A1 OTP4 -15.2 -14.8
-5v A1 OTP6 -5.2 -4.9
+40V A1 OTP7
+42.5
A1 OTP5
Adjustment
1
5-5