Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 73
LC4.2E AA
9.
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
TV related data (for example, options)
O/C
Open Circuit
ON/OFF LED
On/Off control signal for the LED
OSD
On Screen Display
P50
Project 50 communication: protocol
between TV and peripherals
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)
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 (or PCB)
RAM
Random Access Memory
RC
Remote Control transmitter
RC5
Remote Control system 5, the signal
from the remote control receiver
RGB
Red, Green, and Blue. 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
SIF
Sound Intermediate Frequency
SC
SandCastle: two-level pulse derived
from sync signals
SC1-OUT
SCART output of the MSP audio IC
SC2-B-IN
SCART2 Blue in
SC2-C-IN
SCART2 chrominance in
SC2-OUT
SCART output of the MSP audio IC
S/C
Short Circuit
SCART
Syndicat des Constructeurs
d'Appareils Radiorecepteurs et
Televisieurs
SCL
CLock Signal on I2C bus
SD
Standard Definition
SDA
DAta Signal on I2C bus
SDRAM
Synchronous DRAM
SECAM
SEequence Couleur Avec Memoire.
Colour system used mainly in France
and Eastern Europe. Colour carriers =
4.406250 MHz and 4.250000 MHz
SIF
Sound Intermediate Frequency
SMPS
Switch 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
SNDS-VL-OUT
Surround sound left variable level out
SNDS-VR-OUT
Surround sound right variable level out
SOPS
Self Oscillating Power Supply
S/PDIF
Sony Philips Digital InterFace
SRAM
Static RAM
STBY
STandBY
SVHS
Super Video Home System
SW
SubWoofer / SoftWare
THD
Total Harmonic Distortion
TXT
TeleteXT
uP
Microprocessor
VA
Vertical Acquisition
VL
Variable Level out: processed audio
output toward external amplifier
VCR
Video Cassette Recorder
VGA
Video Graphics Array
WD
Watch Dog
WYSIWYR
What You See Is What You Record:
record selection that follows main
picture and sound
XTAL
Quartz crystal
YPbPr
Component video (Y= Luminance, Pb/
Pr= Colour difference signals)
Y/C
Luminance (Y) and Chrominance (C)
signal
Y-OUT
Luminance-signal
YUV
Component video
