Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.
9.12
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
1080i
1080 visible lines, interlaced
1080p
1080 visible lines, progressive scan
2CS
2 Carrier Stereo
480i
480 visible lines, interlaced
480p
480 visible lines, progressive scan
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
AP
Asia Pacific
AR
Aspect Ratio: 4 by 3 or 16 by 9
Artistic
See Painter 2.5: main processor
ASD
Automatic Standard Detection
AV
Audio Video
B-SC1-IN
Blue SCART1 in
B-SC2-IN
Blue SCART2 in
B-TXT
Blue teletext
B/G
Monochrome TV system. Sound
carrier distance is 5.5 MHz
BOCMA
Bimos one Chip Mid-end Architecture:
video and chroma decoder
C-FRONT
Chrominance front input
CBA
Circuit Board Assembly (or PWB)
CL
Constant Level: audio output to
connect with an external amplifier
CLUT
Colour Look Up Table
ComPair
Computer aided rePair
CSM
Customer Service Mode
CVBS
Composite Video Blanking and
Synchronisation
CVBS-EXT
CVBS signal from external source
(VCR, VCD, etc.)
CVBS-INT
CVBS signal from Tuner
CVBS-MON
CVBS monitor signal
CVBS-TER-OUT
CVBS terrestrial out
DAC
Digital to Analogue Converter
DBE
Dynamic Bass Enhancement: extra
low frequency amplification
DFU
Directions For Use: owner's manual
DNR
Dynamic Noise Reduction
DRAM
Dynamic RAM
DSP
Digital Signal Processing
DST
Dealer Service Tool: special
(European) remote control designed
for service technicians
DTS
Digital Theatre Sound
DVD
Digital Video Disc
EEPROM
Electrically Erasable and
Programmable Read Only Memory
EPG
Electronic Program Guide: system
used by broadcasters to transmit TV
guide information (= NexTView)
EU
EUrope
EXT
EXTernal (source), entering the set by
SCART or by cinches (jacks)
FBL
Fast Blanking: DC signal
accompanying RGB signals
FBL-SC1-IN
Fast blanking signal for SCART1 in
FBL-SC2-IN
Fast blanking signal for SCART2 in
FBL-TXT
Fast Blanking Teletext
FLASH
FLASH memory
FM
Field Memory / Frequency Modulation
FMR
FM Radio
FRC
Frame Rate Converter
FRONT-C
Front input chrominance (SVHS)
FRONT-DETECT
Front input detection
FRONT-Y_CVBS
Front input luminance or CVBS
(SVHS)
G-SC1-IN
Green SCART1 in
G-SC2-IN
Green SCART2 in
G-TXT
Green teletext
H
H_sync to the module
HA
Horizontal Acquisition: horizontal sync
pulse coming out of the BOCMA
HD
High Definition
HP
HeadPhone
I
Monochrome TV system. Sound
carrier distance is 6.0 MHz
I2C
Integrated IC bus
I2S
Integrated IC Sound bus
IC
Integrated Circuit
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
lines. The fields are written in "pairs",
causing line flicker.
IR
Infra Red
IRQ
Interrupt ReQuest
Last Status
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
LATAM
LATin AMerica
LC03
Philips chassis name for LCD TV 2003
project
LCD
Liquid Crystal Display
LED
Light Emitting Diode
LINE-DRIVE
Line drive signal
L/L'
Monochrome TV system. Sound
carrier distance is 6.5 MHz. L' is Band
I, L is all bands except for Band I
LS
LoudSpeaker
LVDS
Low Voltage Differential Signalling,
data transmission system for high
speed and low EMI communication.
M/N
Monochrome TV system. Sound
carrier distance is 4.5 MHz
MOSFET
Metal Oxide Semiconductor Field
Effect Transistor
MPEG
Motion Pictures Experts Group
MSP
Multi-standard Sound Processor: ITT
sound decoder
MUTE
MUTE Line
NC
Not Connected
NICAM
Near Instantaneous Compounded
Audio Multiplexing. This is a digital
sound system, used mainly in Europe.
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
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
