Philips 43PUS6504/12 Service Manual page 7

• Always respect voltages. While some may not be
dangerous in themselves, they can cause unexpected
reactions that are best avoided. Before reaching into a
powered TV set, it is best to test the high voltage
insulation. It is easy to do, and is a good service
precaution.
2.4 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
DNR Digital Noise Reduction: noise reduction
feature of the set
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
ontrols the video input of the feature box
AM Amplitude Modulation
AP Asia Pacific
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
ATSC Advanced Television Systems Committee,
the digital TV standard in the USA
ATV See Auto TV
Auto TV A hardware and software control system
that measures picture content, and adapts
image parameters in a dynamic way
AV External Audio Video
AVC Audio Video Controller
AVIP Audio Video Input Processor
B/G Monochrome TV system. Sound carrier
distance is 5.5 MHz
BDS Business Display Solutions (iTV)
BLR Board-Level Repair
BTSC Broadcast Television Standard Committee.
Multiplex FM stereo sound system,
originating from the USA and used e.g. in
LATAM and AP-NTSC countries
B-TXT Blue TeleteXT
C Centre channel (audio)
CEC Consumer Electronics Control bus: remote
control bus on HDMI connections
CL Constant Level: audio output to connect
with an external amplifier
CLR Component Level Repair
ComPair Computer aided rePair
CP Connected Planet / Copy Protection
CSM Customer Service Mode
CTI Color Transient Improvement: manipulates
steepness of chroma transients
CVBS Composite Video Blanking and
Synchronization
DAC Digital to Analogue Converter
DBE Dynamic Bass Enhancement: extra low
frequency amplification
DCM Data Communication Module. Also
referred to as System Card or Smartcard
(for iTV).
DDC See "E-DDC"
D/K Monochrome TV system. Sound carrier
distance is 6.5 MHz
DFI Dynamic Frame Insertion
DFU Directions For Use: owner's manual
DMR Digital Media Reader: card reader
DMSD Digital Multi Standard Decoding
DNM Digital Natural Motion
DRAM Dynamic RAM
DRM Digital Rights Management
DSP Digital Signal Processing
DST Dealer Service Tool: special remote control
designed for service technicians
DTCP Digital Transmission Content Protection; A
protocol for protecting digital audio/video
content that is traversing a high speed
serial bus, such as IEEE-1394
DVB-C Digital Video Broadcast - Cable
DVB-T Digital Video Broadcast - Terrestrial
DVD Digital Versatile Disc
DVI(-d) Digital Visual Interface (d= digital only)
E-DDC Enhanced Display Data Channel (VESA
standard for communication channel and
display). Using E-DDC, the video source
can read the EDID information form the
display.