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EN 38
9.
TC7.1U CA
9.3
Abbreviation List
1080i
1080p
480i
480p
AARA
ADC
AFC
AGC
AM
AR
ATSC
AV
B/G
BTSC
CBA
CVBS
CVI
DAC
DFU
DNR
DRAM
DSP
DVD
EEPROM
EXT
FBL
FM
H
HD
HP
I
I2C
IC
IF
IR
IRQ
Last Status
LATAM
LED
LS
M/N
MOSFET
MPEG
MUTE
NAFTA
NC
Circuit Descriptions, Abbreviation List, and IC Data Sheets
1080 visible lines, interlaced
1080 visible lines, progressive scan
480 visible lines, interlaced
480 visible lines, progressive scan
Automatic Aspect Ratio Adaptation:
algorithm that adapts aspect ratio to
remove horizontal black bars; keeping
up the original aspect ratio
Analogue to Digital Converter
Automatic Frequency Control: control
signal used to tune to the correct
frequency
Automatic Gain Control: algorithm that
controls the video input of the feature
box
Amplitude Modulation
Aspect Ratio: 4 by 3 or 16 by 9
Advanced Television Systems
Committee; HDTV standard for the
USA, using MPEG2 for video and
Dolby Digital for audio
Audio Video
Monochrome TV system. Sound
carrier distance is 5.5 MHz
Broadcast Television System
Committee
Circuit Board Assembly (or PWB)
Composite Video Blanking and
Synchronization
Component Video Input
Digital to analogue Converter
Directions For Use: owner's manual
Dynamic Noise Reduction
Dynamic RAM
Digital Signal Processing
Digital Versatile Disc
Electrically Erasable and
Programmable Read Only Memory
EXTernal (source), entering the set by
SCART or by cinches (jacks)
Fast Blanking: DC signal
accompanying RGB signals
Field Memory / Frequency Modulation
H_sync
High Definition: 720p, 1080i, 1080p
Head Phone
Monochrome TV system. Sound
carrier distance is 6.0 MHz
Integrated IC bus
Integrated Circuit
Intermediate Frequency
Infra Red
Interrupt ReQuest
The settings last chosen by the
customer and read and stored in RAM
or in the NVM. They are called at start-
up of the set to configure it according
the customers wishes
LATin AMerica
Light Emitting Diode
Loud Speaker
Monochrome TV system. Sound
carrier distance is 4.5 MHz
Metal Oxide Semiconductor Field
Effect Transistor
Motion Pictures Experts Group
MUTE Line
North American Free Trade
Association: Trade agreement
between Canada, USA and Mexico
Not Connected
NTSC
National Television Standard
Committee. Color system used mainly
in North America and Japan. Color
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
OSD
On Screen Display
PCB
Printed Circuit Board (or PWB)
PIP
Picture In Picture
PLL
Phase Locked Loop. Used, for
example, in FST tuning systems. The
customer can directly provide the
desired frequency
PSU
Power Supply Unit
PWB
Printed Wiring Board (or PCB)
RAM
Random Access Memory
RC
Remote Control transmitter
RC5 (6)
Remote Control system 5 (6), the
signal from the remote control receiver
RF
Radio Frequency
RGB
Red, Green, and Blue. The primary
color signals for TV. By mixing levels
of R, G, and B, all colors (Y/C) are
reproduced.
RGBHV
Red, Green, Blue, Horizontal sync,
and Vertical sync
ROM
Read Only Memory
SC
SandCastle: two-level pulse derived
from sync signals
S/C
Short Circuit
SCL
Clock signal on I2C bus
SD
Standard Definition: 480i, 576i
SDA
Data signal on I2C bus
SDRAM
Synchronous DRAM
SIF
Sound Intermediate Frequency
SMPS
Switch Mode Power Supply
SND
SouND
SOPS
Self Oscillating Power Supply
SRAM
Static RAM
SSB
Small Signal Board
STBY
Stand-by
SVHS
Super Video Home System
SW
Sub Woofer / SoftWare / Switch
THD
Total Harmonic Distortion
TXT
TeleteXT
uP
Microprocessor
VL
Variable Level out: processed audio
output toward external amplifier
VCR
Video Cassette Recorder
VGA
Video Graphics Array
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= Color difference signals B-Y and
R-Y, other amplitudes w.r.t. to YUV)
Y/C
Video related signals: Y consists of
luminance signal, blanking level and
sync; C consists of color signal.
Y-OUT
Luminance-signal
YUV
Baseband component video (Y=
Luminance, U/V= Color difference
signals)
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