15
(C) Abnormal external display
Is built-in display normal?
CRCT on COMPUTER BLOCK Are the VIDEO OUT terminal and external dis-
play unit connected with 75-ohm coaxial cable
┌───────────────────────┘
The VIDEO OUT terminal of this system deli-
vers a composite video signal of 1.0 ±0.2 Vpp
at 75 ohm load. The sync signal level is 30 %
and video signal level 70 %.
H-SYNC: 15.644 kHz; pulse width 5.32 µs
V-SYNC: 59.26 Hz; pulse width 2.1 ms
Non-interlaced raster scan system
Number of rasters: 264
Horizontal display time: 42.61 µs
Vertical display time: 14.06 ms
If the display unit does not conform to the
conditions above, normal operation is not ex-
pected. Usually, however, the V-SYNC and H-
HIGH may be adjusted at the monitor TV set
side.
Home TV set cannot be connected to
VIDEO OUT terminal. Use video monitor
TV set.
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