Chapter 1 - Introduction; Specifications - Zenith ZCM-1490 Service Manual

The Zenith Data Systems ZCM-1490 is a high-
resolution analog RGB color video monitor. This
monitor incorporates Zenith's patented flat technol-
ogy CRT. The ZCM-1490 can be used with a com-
puter video source that supplies an analog RGB
color signal having a 31.49 kHz horizontal scan fre-
quency. It can also display information in CGA, EGA,
MDA, and Hercules video modes provided that the
video source supplying the monitor is capable of
gelivering these modes as analog RGB color signals
at a 31.49 kHz scan frequency. The ZCM-1490 is il-
lustrated in Figure 1-1.
Related publications include the High-Resolution
Analog RGB Color Video Monitor User's Guide
(595-3924-1 ).
Chapter 1
Introduction
Figure 1-1. ZCM-1490 Color Video Monitor
Specifications
Power input: ...... '.' ....................... .
Video input: ................................ .
Sync input
Horizontal: ............................. .
Vertical: ............................... .
Signal Connector: ........................... .
-
90-135/200-265 VAC, 48-62 Hz,. switch selectable.
Six-foot (1.98 m), 3-wire grounded power cord
included.
Analog RGB video signal, 0-0.714 V peak-to-peak
(1V peak-to-peak maximum), 75 ohm resistive.
31.49 kHz, ±1 kHz,
positive TIL, 350-line mode,
negative TIL, 400-line mode,
negative TIL, 480-line mode.
70 Hz, negative TIL, 350-line mode,
70 Hz, positive TIL, 400-line mode,
60 Hz, negative TIL, 480-line mode.
15-pin subminiature D-type.