Philips Chassis EM1.1A AA, Руководство по обслуживанию

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Circuit Descriptions, Abbreviation List, and IC Data Sheets EN 114 EM1.1A AA 9.
9.16
Abbreviation list
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 Analog 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
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
ATV See Auto TV
AUDIO_C AUDIO Center
AUDIO_L AUDIO Left
AUDIO_R AUDIO Right
AUDIO_SL AUDIO Surround Left
AUDIO-SR AUDIO Surround Right
AUDIO_SW AUDIO SubWoofer
Auto TV A hardware and software control
system that measures picture content,
and adapts image parameters in a
dynamic way
BC-PROT PROTection signal to the
µ
P for a too
high Beam Current.
BG System B and G
BLC-INFO BLack Current INFO
B-SC1-IN Blue SCART1 IN
B-SC2-IN Blue SCART2 IN
B-TXT Blue TeleteXT
CBA Circuit Board Assembly (PCB)
CC Closed Caption
CL Constant Level: audio output to
connect with an external amplifier
ComPair Computer aided rePair
CRT Cathode Ray Tube or picture tube
CSM Customer Service Mode
CTI Color Transient Improvement:
manipulates steepness of chroma
transients
CVBS Composite Video Blanking and
Synchronization
CVBS-TER CVBS TERrestrial
DAC Digital to Analog Converter
DBE Dynamic Bass Enhancement: extra
low frequency amplification
DC-filament Filament supply voltage
DFU Directions For Use: owner's manual
DNR Digital Noise Reduction: noise
reduction feature of the set
DSP Digital Signal Processing
DST Dealer Service Tool: special remote
control designed for service
technicians
DVD Digital Video Disc
DYN-FASE-COR DYNamic phASE CORrection:
corrects the phase of the H-drive
EHT Extra High Tension
EHT-INFO Extra High Tension INFOrmation,
used for contrast reduction, vertical
and horizontal amplitude correction,
beam current protection, and flash
detection.
EW East West, related to horizontal
deflection of the set
EW-DRIVE The drive signal for the EW transistor
EXT EXTernal (source), entering the set by
SCART or by cinches (jacks)
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
FBSCO Fixed Beam Current Switch Off, a 140
V dip detection to activate the black
switch off circuit
FBX Feature BoX: part of the small signal
board /separate module which
contains 100 Hz processing, extra
features and AutoTV algorithms
(FBX6= based on PICNIC, FBX7=
based on PICNIC and Eagle)
FDS Full Dual Screen
FILAMENT Filament of CRT
FLASH FLASH memory
FM Field Memory or Frequency
Modulation
G-TXT Green TeleteXT
GND-DRIVE A separate ground for the line-drive
toward the line driver
HA50 Horizontal Acquisition 1fh: horizontal
sync pulse coming out of the HIP
HD100 Horizontal Drive 2fH: horizontal sync
pulse coming out of the feature-box
HD@HOME A signal from the Painter, to switch the
HOP to the Pixel Plus standard (60 Hz
frame)
HFB Horizontal Flyback Pulse: horizontal
sync pulse from large signal deflection
HIP High-end video Input Processor
(TDA9320): video and chroma
decoder.
HOP High-end video Output Processor
(TDA9330): video, sync, and
geometry controller
HP HeadPhone
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 and read and stored in RAM
or in the NVM. They are called at start-
up of the set to configure it according
to the customer's preferences
LDP Line Deflection Protection signal,
derived from the EW current and
voltage
LED Light Emitting Diode
LINE-DRIVE LINE DRIVE signal (for the Line
transistor)
LNA Low Noise Adapter
LSP Large Signal Panel
MSP Multi-standard Sound Processor: ITT
sound decoder
MUTE MUTE Line
NC Not Connected
NVM Non Volatile Memory: IC containing
TV related data such as alignments
O/C Open Circuit
ON/OFF_LED ON/OFF control signal for the LED
OSD On Screen Display