Abbreviation List - Philips SK5.1L Service Manual

Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.3

Abbreviation List

2CS
A2
AC
ACI
ADC
AFC
AGC
AM
ANC
AP
AR
AV
AVL
B/G
BCL
CBA
CFR
ComPair
CRT
CVBS
CVI
D/K
DAC
DC
DC-filament
DFU
DPL
DRAM
DVD
EEPROM
EHT
EMI
EU
EW
EW-DRIVE
EXT
FBL
FE
Field
Filament
FM
Frame
FTV
G
H
H-DRIVE
2 Carrier Sound
Commonly known as 2 Carrier Sound
(2CS) system
Alternating Current
Automatic Channel Installation:
algorithm that installs TV channels
directly from a cable network by
means of a predefined TXT page
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
Automatic Noise Reduction; One of
the algorithms of Auto TV
Asia Pacific
Aspect Ratio: 4 by 3 or 16 by 9
Audio Video
Automatic Volume Level control
Monochrome TV system. Sound
carrier distance is 5.5 MHz
Beam Current Limiter
Circuit Board Assembly (or PWB)
Carbon Film Resistor
Computer aided rePair
Cathode Ray Tube (or picture tube)
Composite Video Blanking and
Synchronisation
Component Video Input
Monochrome TV system. Sound
carrier distance is 6.5 MHz. D= VHF-
band, K= UHF-band
Digital to Analogue Converter
Direct Current
Filament supply voltage
Directions For Use: owner's manual
Dolby Pro Logic
Dynamic RAM; dynamically refreshed
RAM
Digital Versatile Disc
Electrically Erasable and
Programmable Read Only Memory
Extreme High Tension; the voltage
between the cathode and the shadow
mask that accelerates the electrons
towards the screen (around 25 kV)
Electro Magnetic Interference;
Leakage of high-frequency radiation
from a transmission medium
EUrope
East West, related to horizontal
deflection of the set
East -West correction drive signal.
EXTernal (source), entering the set by
SCART or by cinches (jacks)
Fast Blanking: DC signal
accompanying RGB signals
Front End; Tuner and RF part together
Each interlaced broadcast FRAME is
composed of two Fields, each Field
consists of either Odd or Even lines
Filament of CRT
Field Memory / Frequency Modulation
A complete TV picture comprising all
lines (625/525)
Flat TeleVision
Green
H_sync to the module
Horizontal Drive
SK5.1L CA
H-FLYBACK Horizontal Flyback
H-OUT H_sync output of the module /
Horizontal Output pulse
HA Horizontal Acquisition; horizontal sync
pulse
HFB Horizontal Flyback Pulse; Horizontal
sync pulse from large signal deflection
HW Hardware
I Monochrome TV system. Sound
carrier distance is 6.0 MHz. VHF- and
UHF-band
2
I C Inter IC bus (also called IIC)
2
I S Inter IC Sound bus
IC Integrated Circuit
IF Intermediate Frequency
IIC Inter IC bus (also called I2C)
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.
IO In/Out
IR Infra Red
L Left audio channel
L/L' Monochrome TV system. Sound
carrier distance is 6.5 MHz. L' is Band
I, L is all bands except for Band I
LATAM LATin AMerica
LED Light Emitting Diode
LOT Line Output Transformer (also called
FBT); The transformer in which the
EHT is generated
LS Loud Speaker
M/N Monochrome TV system. Sound
carrier distance is 4.5 MHz. M= 525
lines @ 60 Hz, N= 625 lines @ 50 Hz
MOFR Metal Oxide Film Resistor
MOSFET Metal Oxide Semiconductor Field
Effect Transistor
MPX MultiPleX
NAFTA North American Free Trade
Association: Trade agreement
between Canada, USA and Mexico
NC Not Connected
NICAM Near Instantaneously Companded
Audio Multiplexing; This is a digital
sound system, mainly used in Europe
NTC Negative Temperature Coefficient,
non-linear resistor (resistance
decreases if temperature increases)
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
data such as alignment values, preset
stations
OB Option Byte
OC Open Circuit
OP OPtion byte
OSD On Screen Display
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 (or PWB)
PLL Phase Locked Loop; Used for e.g.
FST tuning systems. The customer
9. EN 31