Adjustment Procedure—2213 Service
Specific interactions are also called out w ithin certain
adjustment steps to indicate th at adjustments must be
repeated until no further improvement is noted.
PREPARATION FOR ADJUSTMENT
It is necessary to remove the instrument cabinet to
perform the Adjustment Procedure. See the "C abinet"
removal instructions located in the "Maintenance" section
o f the manual.
Before performing this procedure, do not preset any
internal controls and do not change the —8.6-V Power-
Supply adjustment, since th at w ill typically necessitate a
complete readjustment o f the instrument, when only a
partial readjustment m ight otherwise be required. To avoid
unnecessary readjustment, only change an internal control
setting whenever a Performance Characteristic cannot be
met w ith the original setting. If it is necessary to change
the setting o f any internal control, always check Table 5-1
fo r possible interacting adjustments that might be required.
A ll test equipment items described in Table 4-1 are
required to accomplish a complete Adjustment Procedure.
A t the beginning o f each subsection there is an equipment-
required list showing only the test equipment necessary
fo r performing the steps in that subsection. In this list,
the item number follow ing each piece o f equipment cor
responds to the item number listed in Table 4-1.
Make initial control settings as listed at the beginning
o f each subsection. Then connect the test equipment to
an appropriate ac-power-input source and connect the 2213
to a variable autotransformer (Item 10 in Table 4-1) th at is
set fo r 115 V ac. A pply power and allow a 20-minute
warm-up period before commencing any adjustments.
The most accurate display adjustments are made w ith a
stable, well-focused, low-intensity display. Unless otherwise
noted, adjust the AUTO INTENSITY, AUTO FOCUS, and
TRIGGER LEVEL controls as needed to view the display.
Wherever possible in this procedure, instrument per
formance is first checked before an adjustment is made.
Steps containing both checks and adjustments are title d
"C heck/A djust." Those steps w ith only checks are titled
"C heck."
INDEX TO ADJUSTMENT PROCEDURE
Power Supply and CRT Display
Page
1. Check/Adjust Power Supply DC Levels
and R ipple..................................................................... 5-4
4. Adjust Astigmatism and A u to Focus Tracking. . . . 5-5
5. Check/Adjust Trace A lig n m e n t................................. 5-5
6. Adjust Geometry...........................................................5-6
Vertical
1. Adjust Vertical G a in ................................................... 5-7
2. Adjust Attenuator Step Balance................................. 5-8
3. Adjust Attenuator X I 0 Balance................................. 5-8
4. Check Deflection Accuracy and Variable Range . . 5-8
5. Check Input C o u p lin g .................................................5-9
6. Check A L T and CHOP O peration...............................5-9
7. Check VO LTS/D IV Variable Control
Trace S h ift..................................................................... 5-9
10. Adjust Attenuator Compensation.............................5-10
11. Adjust Vertical O utput A m plifier Compensation. .5-10
12. Adjust Channel Matching and Check Bandwidth . .5-11
13. Check Common-Mode Rejection R a tio ...................5-11
14. Check Channel Isolation............................................ 5-12
15. Check POSITION Control Range.............................5-12
Horizontal
1. Adjust Horizontal A m p lifie r Gain.............................5-13
2. Adjust Magnifier R eg istra tio n ..................................5-13
3. Adjust 5-
T im in g ................................................... 5-14
4. Adjust High-Speed Tim ing......................................... 5-14
5. Check Timing A c cu ra cy............................................ 5-14
6. Check SEC/DIV Variable Range............................... 5-15
7. Check Delay Time R ange......................................... 5-15
8. Check Delay Time J itte r ............................................ 5-15
9. Check POSITION Control Range.............................5-16
Triggering
1. Adjust Trigger Slope Balance.................................... 5-17
2. Check/Adjust A u to Trigger Centering and
TR IG 'D LED O peration............................................5-17
External Z-Axis and Probe Adjust
1. Check EXT Z-AXIS Operation..................................5-20
2. Check PROBE ADJUST O peration.......................... 5-20
@
5-3
Содержание 2213
Страница 1: ...Ttektronix 2213 OSCILLOSCOPE SERVICE IN S T R U C T IO N M A N U A L ...
Страница 9: ...2213 Service 3827 01 viii The 2213 Oscilloscope ...
Страница 30: ...Theory of Operation 2213 Service 3 3 Figure 3 1 Basic block diagram of the 2213 Oscilloscope ...
Страница 67: ...Adjustment Procedure 2213 Service 5 2 ...
Страница 139: ...Figure 9 4 2213 block diagram S105 ...
Страница 140: ...a o m 7 x C O o z CHANNEL SWITCH AND VERTICAL OUTPUT ...
Страница 141: ...2213 Service ...
Страница 144: ...2213 ...
Страница 146: ...2213 3827 20 R V FB 4982 C 4 ...
Страница 147: ...S90I 4 5 ...
Страница 148: ...CIRCUIT BOARD INTERCONNECTIONS K tv ra n m CIRCUIT BO ARD IN T E R C O N N E C T IO N S ...
Страница 151: ......
Страница 153: ...2213 3 K T i RtV D E C ...
Страница 154: ......
Страница 155: ...2213 Service 1 3 a 7 ...
Страница 161: ...2213 Service n 3 a ...
Страница 168: ...s RE 2213 ...
Страница 169: ... CH 1 CH 2 VERTICAL PREAMPS ...
Страница 175: ......
Страница 177: ...TRIGGER ...
Страница 180: ...fr ...
Страница 181: ...f E V AUG I98Z SWEEP GENERATOR LOGIC ...
Страница 184: ......
Страница 188: ...2 2 1 3 lAlO FWTW m ain b o a rd ...
Страница 190: ...i _____H M N XY AMPLIFIER HORIZ OUTPUT ...
Страница 191: ...A 1 1 C 1 a i F 1 G 1 H 1 3 4 5 6 7 HO COM TO P 4 C C O 5 S I i S2T 2e R EV Dec I9BI 2 2 3 ...
Страница 203: ...2 2 1 3 Service R887 ASTIG R870 GEOM C784 5ns TIMING R860 GRID BIAS ...
Страница 207: ... ...
Страница 216: ...I ...
Страница 217: ...2213 OSCILLOSCOPE ...
Страница 218: ......
Страница 219: ...2213 OSrs ...
Страница 225: ......