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Adjustment Procedures
5–6
1780R-Series Service Manual
Table 5–1: Recommended Equipment (Cont.)
Electrical Instrument ExamplePerformance Requirements
Auxiliary Equipment
14. 75 W Terminators Five required, three must be a feed-
through type.
Two 75 W End-line Terminators (Tektronix
Part No. 011-0102-00).
Three Precision (0.2%) 75 W Feed-
through Terminators (Tektronix Part No.
011-0103-02).
15. 75 W Coaxial Cables Three 42 inch cables, with BNC connec-
tors are required.
RG 59U (Tektronix Part No. 012-0159-00)
16. Dual Input Coupler Matched BNC cable-T for matching input
gains. Length of arms matched to within
±0.1 in.
Tektronix Part No. 067-0525-02.
17. 75 W 10X Attenuator Tektronix Part No. 011-0061-00.
18. X Y Input Connector Fifteen-pin, subminiature D-type connec-
tor modified to input the audio signal for X
Y checks and adjustments. See Figure
5–4.
Tektronix Part No. 131-0459-00.
19. Board Extender Bracket Bracket includes cable extenders to allow
access to the Oscillator circuit board (A7)
adjustments.
Tektronix Part No. 016-1011-00.
20. 20 pF Input Normalizer Tektronix Part No. 067-0538-00.
21. BNC T Connector Tektronix Part No. 103-0030-00.
22. BNC Elbow Connector Tektronix Part No. 103-0031-00.
23. Alligator Clip to BNC Adapter Female BNC connector to Alligator clip
leads. Used with Parade Display Test
Connector. (See item 24.)
Tektronix Part No. 013-0076-00.
24. Parade Display Test Connector Remote connector modified to enable
and test the RGB parade input. See
Figure 5–5.