Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 143LC4.9E AB 9.
SC-IN SCART in
SC-OUT SCART out
S/C Short Circuit
SCART Syndicat des Constructeurs
d'Appareils Radiorécepteurs et
Téléviseurs; This is a 21-pin connector
used in EU, that carries various audio,
video, and control signals (it is also
called Péritel connector)
SCL Serial CLock Signal on I
2
C bus
SD Standard Definition
SDA Serial DAta Signal on I
2
C bus
SDRAM Synchronous DRAM
SECAM SÉquence Couleur Avec Mémoire;
Colour system mainly used in France
and East Europe. The chroma is FM
modulated and the R-Y and B-Y
signals are transmitted line
sequentially. Colour carriers=
4.406250 MHz and 4.250000 MHz
SIF Sound Intermediate Frequency
SMPS Switched Mode Power Supply
SND SouND
SNDL-SC1-IN Sound left SCART1 in
SNDL-SC1-OUT Sound left SCART1 out
SNDL-SC2-IN Sound left SCART2 in
SNDL-SC2-OUT Sound left SCART2 out
SNDR-SC1-IN Sound right SCART1 in
SNDR-SC1-OUT Sound right SCART1 out
SNDR-SC2-IN Sound right SCART2 out
SNDR-SC2-OUT Sound right SCART2 out
SOPS Self Oscillating Power Supply
S/PDIF Sony Philips Digital InterFace; This is
a consumer interface used to transfer
digital audio
SRAM Static RAM
STBY STandBY
SVHS Super Video Home System
SW Software or Subwoofer or Switch
THD Total Harmonic Distortion
TXT Teletext; TXT is a digital addition to
analogue TV signals that contain
textual and graphical information (25
rows x 40 columns). The information is
transmitted within the first 25 lines
during the Vertical Blank Interval (VBI)
uP Microprocessor
VA Vertical Acquisition
VL Variable Level out: processed audio
output towards external amplifier
VCR Video Cassette Recorder
VGA Video Graphics Array; 640x480 (4:3)
WD Watch Dog
WYSIWYR What You See Is What You Record:
record selection that follows main
picture and sound
XTAL Quartz crystal
Y Luminance signal
Y/C Y consists of luminance signal,
blanking level and sync; C consists of
chroma (colour) signal
YPbPr This is a scaled version of the YUV
colour space. Y= Luminance, Pb/Pr=
Colour difference signals B-Y and R-Y,
other amplitudes w.r.t. to YUV
YUV Colour space used by the NTSC and
PAL video systems. Y is the luminance
and U/V are the colour difference
signals
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