Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 137Q528.2E LB 9.
9.4 Abbreviation List
0/6/12 SCART switch control signal on A/V
board. 0 = loop through (AUX to TV), 6
= play 16:9 format, 12 = play 4:3
format
2DNR Spatial (2D) Noise Reduction
3DNR Temporal (3D) Noise Reduction
AARA Automatic Aspect Ratio Adaptation:
algorithm that adapts aspect ratio to
remove horizontal black bars; keeps
the original aspect ratio
ACI Automatic Channel Installation:
algorithm that installs TV channels
directly from a cable network by
means of a predefined TXT page
ADC Analogue to Digital Converter
AFC Automatic Frequency Control: control
signal used to tune to the correct
frequency
AGC Automatic Gain Control: algorithm that
controls the video input of the feature
box
AM Amplitude Modulation
ANR Automatic Noise Reduction: one of the
algorithms of Auto TV
AP Asia Pacific
AR Aspect Ratio: 4 by 3 or 16 by 9
ASF Auto Screen Fit: algorithm that adapts
aspect ratio to remove horizontal black
bars without discarding video
information
ATSC Advanced Television Systems
Committee, the digital TV standard in
the USA
ATV See Auto TV
Auto TV A hardware and software control
system that measures picture content,
and adapts image parameters in a
dynamic way
AV External Audio Video
AVC Audio Video Controller
AVIP Audio Video Input Processor
B/G Monochrome TV system. Sound
carrier distance is 5.5 MHz
BLR Board-Level Repair
BTSC Broadcast Television Standard
Committee. Multiplex FM stereo sound
system, originating from the USA and
used e.g. in LATAM and AP-NTSC
countries
B-TXT Blue TeleteXT
C Centre channel (audio)
CEC Consumer Electronics Control bus:
remote control bus on HDMI
connections
CL Constant Level: audio output to
connect with an external amplifier
CLR Component Level Repair
COLUMBUS COlour LUMinance Baseband
Universal Sub-system
ComPair Computer aided rePair
CP Connected Planet / Copy Protection
CSM Customer Service Mode
CTI Colour Transient Improvement:
manipulates steepness of chroma
transients
CVBS Composite Video Blanking and
Synchronization
DAC Digital to Analogue Converter
DBE Dynamic Bass Enhancement: extra
low frequency amplification
DDC See “E-DDC”
D/K Monochrome TV system. Sound
carrier distance is 6.5 MHz
DFI Dynamic Frame Insertion
DFU Directions For Use: owner's manual
DMR Digital Media Reader: card reader
DNM Digital Natural Motion
DNR Digital Noise Reduction: noise
reduction feature of the set
DRAM Dynamic RAM
DRM Digital Rights Management
DSP Digital Signal Processing
DST Dealer Service Tool: special remote
control designed for service
technicians
DTCP Digital Transmission Content
Protection; A protocol for protecting
digital audio/video content that is
traversing a high speed serial bus,
such as IEEE-1394
DVB-C Digital Video Broadcast - Cable
DVB-T Digital Video Broadcast - Terrestrial
DVD Digital Versatile Disc
DVI(-d) Digital Visual Interface (d= digital only)
E-DDC Enhanced Display Data Channel
(VESA standard for communication
channel and display). Using E-DDC,
the video source can read the EDID
information form the display.
EDID Extended Display Identification Data
(VESA standard)
EEPROM Electrically Erasable and
Programmable Read Only Memory
EMI Elector Magnetic Interference
EPLD Erasable Programmable Logic Device
EU Europe
EXT EXTernal (source), entering the set by
SCART or by cinches (jacks)
FBL Fast BLanking: DC signal
accompanying RGB signals
FDS Full Dual Screen (same as FDW)
FDW Full Dual Window (same as FDS)
FLASH FLASH memory
FM Field Memory or Frequency
Modulation
FPGA Field-Programmable Gate Array
FTV Flat TeleVision
Gb/s Giga bits per second
G-TXT Green TeleteXT
H H_sync to the module
HD High Definition
HDD Hard Disk Drive
HDCP High-bandwidth Digital Content
Protection: A “key” encoded into the
HDMI/DVI signal that prevents video
data piracy. If a source is HDCP coded
and connected via HDMI/DVI without
the proper HDCP decoding, the
picture is put into a “snow vision” mode
or changed to a low resolution. For
normal content distribution the source
and the display device must be
enabled for HDCP “software key”
decoding.
HDMI High Definition Multimedia Interface
HP HeadPhone
I Monochrome TV system. Sound
carrier distance is 6.0 MHz
I
2
C Inter IC bus
I
2
D Inter IC Data bus
I
2
S Inter IC Sound bus
IF Intermediate Frequency
Interlaced Scan mode where two fields are used
to form one frame. Each field contains
half the number of the total amount of
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