Philips 42FD9932 - annexe 2, Service Manual

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Circuit description and list of abbreviations 62 FTV1.9DE 9.
9. Circuit description and list of abbreviations
9.1 Circuit description
For a detailed description of the circuits see Training Manual
FTV1.9 Display Box (3122 785 10036).
9.2 List of abbreviations
µ
P Micro Processor
1FH One time the line frequency for normal
picture quality
2FH Twice the line frequency for a better
picture with less field flicker
2CS 2 Carrier Sound (sound system using
two separate FM carriers at 5.5 MHz)
AARA Automatic Aspect Ratio Adaptation
ADC Analogue Digital Converter
ADJ Adjust -
AFC (S1) Automatic Frequency Control.
Automatic fine-tuning circuit for signal
reception.
AGC Automatic Gain Control
AM Amplitude Modulation
AMV Automatic Multi Voltage
ANT Antenna
AP Asian Pacific region (Covering Hong
Kong, Australia, Singapore etc.)
APC Automatic Power Control
ASP Aspect Ratio 4:3 or 14:9 or 16:9
AUD Audio - GFL
AVB Audio Video Buffer or Audio Video
Blanking
BC Beam current - GFL
BNC Professional connector for higher
frequencies
C Centre
CINCH Common connector for several kinds
of signals
COMP COMB-filter
CRT Cathode Ray Tube
CVBS Composite Video Blanking
Synchronisation, video signal
DAC Digital Analogue Converter
DEC Decoder
DFB Double Window Fast Blanking
DU Double Window - U_signal
DV Double Window - V_signal
DW Double Window
DY Double Window - Y_signal
E-Box Electronic Box
EHT Extra High Tension - GFL
ELPS Eco Low Power Supply - GFL
EWD East West Drive - GFL
EXT External
FBL Fast Blinking
FBX Feature Box
FE FrontEnd
FM Frequency
Modulation
FMS Functional Module Specification
FRNT Front
FRS Functional Requirement Specification
FTV Flat TeleVision
GFL Global Feature Line (high end TV
chassis)
GFL-FL GFL Feature (up)Lift
GND Ground
HFB Horizontal FlyBack (display system
sync. pulse)
HP Headphone
HSI Hardware Software Interface
HW HardWare
I/O Input
/ Output
I2C IC bus, Inter Integrated circuit, on-
board communication line
IF Intermediate Frequency
IRQ Interrupt ReQuest.
L Left
L_CL VL Left_Constant_Level Variable_Level
L_REC SEL Left_Record_Select
LED Light Emitting Diode
LP Low Pass
LTP Luminance Transient Processor
MAC (Apple) MACintosh
MAC13 or MACII (Apple) MACintosh format for
13" monitors
MACP Motion Adaptive Colour Plus
ML-2 Media Line 2
Monitor PDP Display with all the electronic
boards (incl. self developed boards).
MU Main U_signal
MV Main V_signal
MY Main Y_signal
NICAM Near Instantaneous Companding
Audio Multiplex (digital terrestrial
sound
NTSC National TV Standard Committee
OE (AQ) Output Enable
PAL Phase Alternating Lines (Colour video
standard)
PDP Plasma Display Panel
PIP Picture In Picture
PLL Phase Locked Loop
POR Power On Reset / Power Off Reset
(depending on context)
QPSK Quadruple Phase Shift Keying
R Right
RAM Random Access Memory
RC5 Remote Control 5 (infrared signal
transmission protocol)
RECEI-RC5 Received RC5-code
REF Reference
RES Resistor
RGB Red Green Blue, video signals
SC-1FH Sandcastle 1FH
SCL Serial Clock Line of the IC bus
SDA Serial Data Line of the IC bus
SECAM SEquential Couleur A Memoire
(Colour video standard)
SIF Second Intermediate frequency
SND Sound
SOG Sync On Green
SP_GAIN Splitter GAIN
SPHsync Splitter Horizontal Sync
SPVsync Splitter Vertical Sync
SSP Small Signal Panel (of the GFL
chassis)
STBY Standby
SW SoftWare / SubWoofer (depending on
context)
SYNC Synchronisation
SYS System
Terr Terrestrial
TP Testpoint
TRASN (AQ)
TSD Terrestrial Sound Decoder
(combination of 2CS and NICAM
decoder)
TUN Tuner
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