Index To Adjustment Procedure Steps - Tektronix 2215A Instruction Manual

INDEX TO ADJUSTMENT PROCEDURE
STEPS
Power Supply and CRT Display
1. Check/Adjust Power Supply DC Levels .............
2. Check High-Voltage S u p p ly ..................................
3. Adjust CRT Grid Bias ..........................................
4. Adjust Astigmatism ..............................................
5. Adjust Trace Alignment ........................................
6. Adjust Geometry ................................................... 5-5
Vertical
1. Adjust Attenuator Step Balance ..........................
2. Adjust 2/5 mV DC Balance ..................................
3. Adjust Channel 1 Variable B a la n ce ...................... 5-7
4. Adjust Channel 2 Invert B alance..........................
5. Adjust MF/LF Compensation and Gain Balance . 5-7
6. Adjust Vertical Gain ..............................................
7. Check Deflection Accuracy and Variable Range . 5-8
8. Check Input Coupling ........................................... 5-8
9. Adjust Attenuator Compensation ........................ 5-9
10. Check Alternation O peration................................
11. Check Chop Operation .........................................
12. Adjust High-Frequency Compensation and
Delay Line Compensation ....................................
13. Check Bandwidth Limit Operation
14. Check Bandwidth ...............................................
15. Check Channel Isolation ..................................... 5-11
16. Check Common-Mode Rejection R a tio ...............
17. Check Input Gate C u rre n t................................... 5-12
Horizontal
1. Adjust Horizontal Amplifier Gain .........................
2. Adjust X I0 Horizontal Amplifier Gain ................. 5-14
3. Adjust Magnifier Registration .............................
Page 4. Check Position R a n g e .........................................
5. Check Variable R a n g e .........................................
5-4
6. Adjust Delay Dial Timing .....................................
5-5
7. Adjust High-Speed T im in g ...................................
5-5
8. Adjust 5-ns Timing and Linearity.........................
5-5
9. Check Timing Accuracy and L in ea rity................. 5-15
5-5
10. Check Delay Time Dial Range and Accuracy . . .
11. Check Delay J itte r ................................................ 5-17
12. Adjust X Gain ......................................................
13. Check X Bandw idth.............................................
5-6 14. Check A-Sweep Holdoff .....................................
5-6
Trigger
5-7
1. Adjust Trigger Offset ...........................................
5-8
2. Adjust Trigger Sensitivity.....................................
3. Adjust Slope Balance .........................................
4. Adjust P-P Auto Trigger Centering .....................
5. Check Internal Triggering
5-10
6. Check External Triggering ...................................
5-10
7. Check External Trigger Ranges
8. Check Single Sweep Operation
5-10
.................... 5-11
5-11
External Z-A xis and Probe Adjust
1. Check External Z-Axis Operation .......................
5-12
2. Check Probe Adjust Operation ...........................
Adjustment Procedure— 2215A Service
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Page
5-13
5-14
5-14
5-14
5-14
5-15
5-15
5-16
5-18
5-18
5-18
5-19
5-19
5-20
5-20
5-20
5-21
5-21
5-22
5-23
5-23
5-3