Specifications

Figure 23.1. TS-1777A/VRM-1 (and later production units of TS-1777/VRM-1),
bottom view and location of adjustable controls.
Paragraph 44. Add subpagraph c after sub-
paragraph b.
c. Refer to the appropriate adjustment pro-
cedures given in Paragraph 62 through 69 when
the test requirement of a particular circuit (para
47 through 51) cannot be obtained.
NOTE
All test voltages (ac and dc) applied
to the test probe in the procedures given
in Paragraph 47 through 51 shall be in-
creased gradually and shall be applied
instantaneously after each increment;
the signal source shall not be connected
to the test probe while the level of the
applied voltage is being changed or while
the control on the test set is being
changed. Therefore, the procedures giv-
en in paragraph 47 through 51 shall be
performed in such a way as to accom-
modate this instantaneous application of
the test voltages The light indication
change should be almost instaneous
at the moment of touching the test probe
to the test voltage, except for the 1000-Hz
(audio) tests (para 48). Thus in the
audio tests, the light change should
occur within 10 seconds after the appli-
cation of the proper voltage to the test
probe.
Page 41, paragraph 47c. Make the following
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