Specifications

Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 43LC4.31E AB 9.
to an image compressing scheme for
moving video
MSP Multi-standard Sound Processor: ITT
sound decoder
MUTE MUTE Line
NC Not Connected
NICAM Near Instantaneously Companded
Audio Multiplexing; This is a digital
sound system, mainly used in Europe
NOR
NTSC National Television Standard
Committee. Colour system used
mainly in North America and Japan.
Colour carrier NTSC M/N = 3.579545
MHz, NTSC 4.43 = 4.433619 MHz
(this is a VCR norm, it is not
transmitted off-air)
NVM Non Volatile Memory; IC containing
data such as alignment values, preset
stations
O/C Open Circuit
ON/OFF LED On/Off control signal for the LED
OSD On Screen Display
PAL Phase Alternating Line. Colour system
used mainly in Western Europe
(colour carrier = 4.433619 MHz) and
South America (colour carrier PAL M =
3.575612 MHz and PAL N = 3.582056
MHz)
PC Personal Computer
PCB Printed Circuit Board (or PWB)
PCMCIA Personal Computer Memory Card
International Association
PIG Picture In Graphic
PIP Picture In Picture
PLL Phase Locked Loop. Used, for
example, in FST tuning systems. The
customer can directly provide the
desired frequency
Progressive Scan Scan mode where all scan lines are
displayed in one frame at the same
time, creating a double vertical
resolution.
PWB Printed Wiring Board (also called PCB
or CBA)
RAM Random Access Memory
RC Remote Control transmitter
RC5 or 6 Remote Control system 5 or 6, the
signal from the remote control receiver
RGB Red, Green, and Blue colour space;
The primary colour signals for TV. By
mixing levels of R, G, and B, all colours
(Y/C) are reproduced
RGBHV Red, Green, Blue, Horizontal sync,
and Vertical sync
ROM Read Only Memory
SAM Service Alignment Mode
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
SOPS Self Oscillating Power Supply
SPDIF Sony Philips Digital Interface; 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
TS Transport Stream
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
USB Universal Serial Bus
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