Introduction - HP 8560E Service Manual

Adjustment Procedures

Introduction

Introduction
This chapter contains information on automated and manual
adjustment procedures for the HP 8560E/EC spectrum analyzer.
Perform the automated procedures using the HP 85629B Tests and
Adjustment Module (TAM). Never perform adjustments as routine
maintenance. Adjustments should be performed after a repair or
performance test failure.
Before performing any adjustments, allow the instrument to warm up
NOTE
for 5 minutes.
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Introduction...........................................................................
Safety Considerations .........................................................
Which Adjustments Should Be Performed?.......................
Test Equipment ...................................................................
Adjustable and Factory-Selected Components ..................
Adjustment Tools ................................................................
Instrument Service Position ...............................................
Using the TAM ......................................................................
Test Equipment ...................................................................
Adjustment Indicator..........................................................
1. High Voltage Power Supply Adjustment (8560E)..........
2. Display Adjustment (8560E) ..........................................
3. IF Bandpass Adjustment ................................................
4. IF Amplitude Adjustments .............................................
5. DC Log Amplifier Adjustments ......................................
6. Sampling Oscillator Adjustment ....................................
7. YTO Adjustment .............................................................
8. First LO Distribution Amplifier Adjustment.................
9. Tracking Generator Power Level Adjustments (002)....
10. Frequency Response Adjustment .................................
11. Calibrator Amplitude Adjustment .............................
12. 10 MHz Reference Adjustment-TCXO (Option 103) .
13. Demodulator Adjustment ...........................................
14. External Mixer Bias Adjustment ...............................
15. External Mixer Amplitude Adjustment .....................
16. Signal ID Oscillator Adjustment (prefix<3517A) ......
17. 10 MHz Reference Adjustment-OCXO.......................
18. Tracking Oscillator Adjustment (Option 002) ...........
19. 16 MHz PLL Adjustment............................................
20. 600 MHz Reference Adjustment (prefix> 3406A)......
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Chapter 2