1720/1721
5–1
Section 5
Checks and Adjustments
Checks and adjustments are two separate procedures. The first, a Performance
Check, is used to determine compliance with the Performance Requirements in
the Specification. The Specification in Section 1 contains numerical references
to the procedure. The second procedure is the Adjustment Procedure, which
provides adjustment instructions for the instrument that will return it to operation
within the written Specification (Section 1).
In both procedures, front- and rear-panel controls and connectors for the
instrument under test are fully capitalized (e.g., VARIABLE GAIN). Control
and connector names on test equipment and internal adjustments for the
instrument under test are initial capitalized (e.g., Time/Div, Geometry, etc.).
Limits, tolerances, and waveforms given in this section are guides to adjustments
and checks, and are not instrument specifications unless they are listed as
Performance Requirements in the Specification (Section 1).
Recommended Equipment List
The following equipment is recommended for use in the Performance Check and
Adjustment Procedures for this instrument. Other equipment may be substituted;
however, care must be used to ensure that the accuracy of the substituted
equipment does not compromise the results of a particular procedure step.
1. Test Oscilloscope
Vertical Amplifier: 30 MHz Bandwidth, 1 mV Sensitivity.
Time Base: 10 ns/div to 5 ms/div sweep speeds, triggering to 5 MHz.
For example: a TEKTRONIX TAS 465 Oscilloscope. Also 10X probes,
P6106 (Tektronix Part No. 010-6106-03).
2. Television Signal Generator
Color test signals for the television standard of the monitor to be tested:
color bar signal, linearity staircase and variable APL, and black burst signal.
For example: NTSC TEKTRONIX 1410 with Option AA and Option AB
(modified SPG2 and TSG7) and TSG3.
Electrical Instruments
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