Philips 3122 785 14580, Руководство по обслуживанию

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Circuit Descriptions, Abbreviation List, and IC Data Sheets EN 108 FTP2.4E AA 9.
DNR Digital Noise Reduction: noise
reduction feature of the box
DPL Dolby ProLogic
DSP Digital Signal Processing
DST Dealer Service Tool: special remote
control designed for dealers to enter
e.g. service mode
DVD Digital Versatile Disc
DVI(-d)(-i) Digital Visual Interface (d= digital only)
(i= integrated); a digital video interface
to a display, designed to replace the
analogue YPbPr or RGB interface
Eagle Feature box IC performing peaking,
zooming and sub pixel LTI in both
horizontal and vertical direction, CTI
and other colour features
EDID Extended Display Identification Data
(VESA standard)
EEPROM Electrically Erasable and
Programmable Read Only Memory
EHT Extra High Tension
EPG Electronic Program Guide: system
used by broadcasters to transmit TV
guide information (= NexTView)
EPLD Erasable Programmable Logic Device
EU EUrope
EXT External (source), entering the set via
SCART or via cinches
FALCONIC SAA4992H, Feature Box IC
performing Digital Natural Motion,
3DNR, and vertical zoom and vertical
peaking
FBL Fast Blanking: DC signal
accompanying RGB signals
FBL-PIP The fast blanking signal for PIP
FBL-TXT The fast blanking signal for TXT. It has
a higher priority than FBL-PIP
FBX Feature Box: part of small signal /
separate module which contains 100
Hz processing, extra featuring and
AutoTV algorithms (FBX6= based on
PICNIC, FBX7= based on PICNIC and
Eagle)
FDS Full Dual Screen
FEM Falconic Embedded Memory; IC
(SAA4998H) that is the successor of
the SAA4993H with jagged line
removal and embedded memory
FHP Fujitsu Hitachi Plasma display Ltd.
FLOF Full Level One Features, TXT
standard
FLASH Flash memory
FM Field Memory or Frequency
Modulation
G-TXT Green teletext
HA Horizontal Acquisition: horizontal sync
pulse coming out of the HIP
HD at HOME A signal from the OTC, to switch the
HOP to the Pixel Plus standard (75 Hz
frame)
HIP High-end video Input Processor
(TDA9320): video and chroma
decoder of EM5E
HP Head phone
I Monochrome TV system. Sound
carrier distance is 6.0 MHz. VHF- and
UHF-band
I/O Input/Output
I
2
C Inter IC bus (also called IIC)
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
Last Status The settings last chosen by the
customer, 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
LCD Liquid Crystal Display
LPL LG-Philips LCD
LED Light Emitting Diode
L/L’ Monochrome TV system. Sound
carrier distance is 6.5 MHz. L' is Band
I, L is all bands except for Band I
LNA Low Noise Adapter
LORE LOcal REgression based noise
reduction
LSP Large signal panel
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. M= 525
lines @ 60 Hz, N= 625 lines @ 50 Hz
MUTE Mute-Line
NC Not Connected
NICAM Near Instantaneously Companded
Audio Multiplexing; This is a digital
sound system, mainly used in Europe
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 e.g. alignments
O/C Open Circuit
OSD On Screen Display
OTC On screen display Teletext and
Control; also named 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
PDP Plasma Display Panel
PFC Power Factor Corrector (or Pre-
conditioner)
PICNIC Peripheral Integrated Combined
Network IC (SAA4978): main IC for
100 Hz featuring and feature
processing
PIP Picture In Picture
PLL Phase Locked Loop; Used for e.g.
FST tuning systems. The customer
can directly provide the desired
frequency
POR Power On Reset; Signal to reset the
µP
Progressive Scan Scan mode where all scan lines are
displayed in one frame at the same
time, creating a double vertical
resolution.
PSU Power Supply Unit
PWB Printed Wiring Board
RAM Random Access Memory
R-TXT Red teletext
RC Remote Control
RC5 / RC6 Signal protocol from the remote
control receiver
RESET Reset signal