Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.
Figure 9-35 Software upgrade flow chart
9.12
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
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
AR
Aspect Ratio: 4 by 3 or 16 by 9
Artistic
See OTC 2.5: main processor
ASF
Auto Screen Fit: algorithm that adapts
aspect ratio to remove horizontal black
bars without discarding video
information
ATV
See Auto TV
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
microprocessor 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
C
Centre channel (audio)
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
Colour Transient Improvement:
manipulates steepness of chroma
transients
CVBS
Composite Video Blanking and
Synchronization
CVBS-TER
CVBS TERrestrial
DAC
Digital to Analogue 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
Eagle
Feature box IC performing peaking,
zooming and sub pixel LTI in both
horizontal and vertical directions, CTI,
and other colour features
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)
FALCONIC
SAA4992H, feature box IC which
performs Digital Natural Motion, 3DNR
vertical zoom, and vertical peaking
FBL
Fast BLanking: DC signal
accompanying RGB signals
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
H
H_sync to the module
H_770
H_sync for 770.2 or 770.3 source
H_A50
Horizontal Acquisition 1fH: horizontal
sync pulse coming out of the HIP
H_D100
Horizontal Drive 2fH: horizontal sync
pulse coming out of the feature-box
HD at HOME
A signal from the OTC, to switch the
HOP to the Pixel Plus standard (60 Hz
frame)
CL 36532008_135.eps
130503
Load bootstrap into EPG flash
START
END
Clear EPG flash
No
Yes
Is bootstrap
loaded
Switch on the set, connect to PC
via ComPair I
2
C and start the upgrade
Switch of the set,
jumper setting change
Restart the set
and clear EPG flash
No
Yes
Is download
successful
Switch off the set