Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 132 Q529.1A LA9.
MIPS Microprocessor without Interlocked
Pipeline-Stages; A RISC-based
microprocessor
MOP Matrix Output Processor
MOSFET Metal Oxide Silicon Field Effect
Transistor, switching device
MPEG Motion Pictures Experts Group
MPIF Multi Platform InterFace
MUTE MUTE Line
NC Not Connected
NICAM Near Instantaneous Compounded
Audio Multiplexing. This is a digital
sound system, mainly used in Europe.
NTC Negative Temperature Coefficient,
non-linear resistor
NTSC National Television Standard
Committee. Colour system mainly
used 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
TV related data such as alignments
O/C Open Circuit
OSD On Screen Display
OTC On screen display Teletext and
Control; also called Artistic (SAA5800)
P50 Project 50: communication protocol
between TV and peripherals
PAL Phase Alternating Line. Colour system
mainly used in West Europe (colour
carrier = 4.433619 MHz) and South
America (colour carrier
PAL M = 3.575612 MHz and
PAL N = 3.582056 MHz)
PCB Printed Circuit Board (same as “PWB”)
PCM Pulse Code Modulation
PDP Plasma Display Panel
PFC Power Factor Corrector (or Pre-
conditioner)
PIP Picture In Picture
PLL Phase Locked Loop. Used for e.g.
FST tuning systems. The customer
can give directly the desired frequency
POR Power On Reset, signal to reset the uP
Progressive Scan Scan mode where all scan lines are
displayed in one frame at the same
time, creating a double vertical
resolution.
PTC Positive Temperature Coefficient,
non-linear resistor
PWB Printed Wiring Board (same as “PCB”)
PWM Pulse Width Modulation
QRC Quasi Resonant Converter
QTNR Quality Temporal Noise Reduction
QVCP Quality Video Composition Processor
RAM Random Access Memory
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.
RC Remote Control
RC5 / RC6 Signal protocol from the remote
control receiver
RESET RESET signal
ROM Read Only Memory
R-TXT Red TeleteXT
SAM Service Alignment Mode
S/C Short Circuit
SCART Syndicat des Constructeurs
d'Appareils Radiorecepteurs et
Televisieurs
SCL Serial Clock I
2
C
SCL-F CLock Signal on Fast I
2
C bus
SD Standard Definition
SDA Serial Data I
2
C
SDA-F DAta Signal on Fast I
2
C bus
SDI Serial Digital Interface, see “ITU-656”
SDRAM Synchronous DRAM
SECAM SÉquence Couleur Avec Mémoire.
Colour system mainly used in France
and East Europe. Colour carriers=
4.406250 MHz and 4.250000 MHz
SIF Sound Intermediate Frequency
SMPS Switched Mode Power Supply
SoC System on Chip
SOG Sync On Green
SOPS Self Oscillating Power Supply
S/PDIF Sony Philips Digital InterFace
SRAM Static RAM
SSB Small Signal Board
STBY STand-BY
SVGA 800 × 600 (4 : 3)
SVHS Super Video Home System
SW Software
SWAN Spatial temporal Weighted Averaging
Noise reduction
SXGA 1280 × 1024
TFT Thin Film Transistor
THD Total Harmonic Distortion
TMDS Transmission Minimized Differential
Signalling
TXT TeleteXT
TXT-DW Dual Window with TeleteXT
UI User Interface
uP Microprocessor
UXGA 1600 × 1200 (4 : 3)
V V-sync to the module
VCR Video Cassette Recorder
VESA Video Electronics Standards
Association
VGA 640 × 480 (4 : 3)
VL Variable Level out: processed audio
output toward external amplifier
VSB Vestigial Side Band; modulation
method
WYSIWYR What You See Is What You Record:
record selection that follows main
picture and sound
WXGA 1280 × 768 (15 : 9)
XTAL Quartz crystal
XGA 1024 × 768 (4 : 3)
Y Luminance signal
Y/C Luminance (Y) and Chrominance (C)
signal
YPbPr Component video. Luminance and
scaled colour difference signals (B-Y
and R-Y)
YUV Component video
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