HP 8901B Operation And Calibration Manual page 395

Adjustments
A25 Audio Motherboard Assembly
Model
8901B
I
Power-Up Checks
lbble 5-2.
Post-Repair
Tests,
Adjustments, and Checks (2
of
2)
A26 Power Supply Motherboard
A27 Digital Motherboard Assembly
A28 RF Mother Board Assembly
A29 Series Regulator Heat Sink
A30 Line Power Module
A31 Remote Interface Connector
A32 Power Reference Oscillator
Assembly
Assembly
Assembly
Assembly
A50 AM Calibrator Assembly
A51 FM Calibrator Assembly
A52 Audio Counter/Distortion
Analyzer Assembly
A53 RF Power Assembly
A54 IF Amplifier/Detector Assembly
A55 IF Channel/Filter Assembly
( 2 3 1 4 ~
ro
2636A)
(2314A
to
2636A)
(2642A and above)
(2642A and above)
A71 IF Amplifier/Detector Assembly
A72 IF Channel/Filter Assembly
Y1 Crystal Oscillator
HP-IB Functional Checks
Performance Test
6 or 7
-
Power Reference
Adjustment 18 or 19
-
Power Reference
Performance Test 1
-
AM (AM Accuracy at 10 kHz only)
Adjustment 14
-
AM Calibrator
Performance Test 2
-
FM (FM Accuracy at 10 kHz only)
Adjustment 9
-
FM
Calibrator
Performance Test 5
-
Audio Measurements
Adjustment 21
-
Audio True RMS Detector and Notch Filter Gain
Performance Test 8
-
Power Meter
Adjustment 20
-
Power Meter Adjustment
Performance Test 11
-
High-Selectivity Gain
Performance Test 10
-
High-Selectivity Filters
Performance Test 11
-
High-Selectivity Gain
Performance Test 10
-
High-Selectivity Filters
Adjustment 2
-
Internal Reference Frequency
5-4
rev.02FEB88