Waveform Explanation; Oscilloscope Display Information - Zenith ZCM-1490 Service Manual

Chapter 8
Schematics and Waveforms
This chapter contains schematics, waveforms, and
component views for the ZCM-1490 color video
monitor. Where appropriate, test points are desig-
nated on the schematics and component views by a
circled number that refers to a corresponding
waveform photograph.
Waveform Explanation
This chapter contains all waveform photographs re-
ferred to throughout the manual. Figure 8-1 and the
notes that follow it explain the waveform display win-
dow and oscilloscope settings. All waveforms were
taken with the external brightness and contrast con-
trols set to their detent position. The fill screen test
with the capital Z was displayed.
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Figure 8-1. Oscilloscope Display Information