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Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 69L06.1E 9.
VESA Video Electronics Standards
Association
VGA Video Graphics Array
VGND Video ground
VGUARD Vertical guard voltage
VIF Video Intermediate Frequency
VL Variable Level out; Processed audio
output towards external amplifier
VOL (+/-) Volume (+/-)
V-SYNC-VGA V_sync on VGA connector
WD Watch Dog
WE Write Enable control line
WS Wide Screen; Screens with an aspect
ratio of 16:9
WSS Wide Screen Signalling; Used by
broadcasters to transmit e.g.
PALPLUS and 16:9 Aspect Ratio
WST World System Teletext
WXGA 1280x768 (15:9) or 1366x768 (16:9)
WYSIWYR What You See Is What You Record:
record selection that follows main
picture and sound
XGA Extended Graphics Array; 1024x768
(4:3)
XTAL Quartz crystal
Y Luminance signal
YPbPr Component video (Y= Luminance, Pb/
Pr= Colour difference signals B-Y and
R-Y, other amplitudes w.r.t. to YUV)
Y/C Y consists of luminance signal,
blanking level and sync; C consists of
chroma (colour) signal
Y-OUT Luminance-signal
YUV Colour space used by the NTSC and
PAL video systems. Y is the luminance
and U/V are the colour difference
signals
9.5 IC Data Sheets
This section shows the internal block diagrams and pin layouts
of ICs that are drawn as "black boxes" in the electrical diagrams
(with the exception of "memory" and "logic" ICs). This is not
applicable to this manual.