Philips FTL13U Service Manual page 155

Circuit Descriptions, Abbreviation List, and IC Data Sheets
Mbps Mega bits per second
M/N Monochrome TV system. Sound
carrier distance is 4.5 MHz
MOSFET Metal Oxide Silicon Field Effect
Transistor, switching device
MPEG Motion Pictures Experts Group
MSP Multi-standard Sound Processor: ITT
sound decoder
MUTE MUTE Line
NC Not Connected
NICAM Near Instantaneous Compounded
audio Multiplexing. This is a digital
sound system, mainly used in Europe.
NTC Negative Temperature Coefficient,
non-linear resistor
NTSC National Television Standard
Committee. Color system mainly used
in North America and Japan. Color
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 such as alignments
O/C Open Circuit
OSD On Screen Display
OTC On screen display Teletext and
Control; also called Artistic (SAA5800)
OTP One Time Programmable
P50 Project 50: communication protocol
between TV and peripherals
PAL Phase Alternating Line. Color system
mainly used in West Europe (color
carrier= 4.433619 MHz) and South
America (color carrier PAL M=
3.575612 MHz and PAL N= 3.582056
MHz)
PCB Printed Circuit Board (same as
"PWB")
PCM Pulse Code Modulation
PDP Plasma Display Panel
PFC Power Factor Corrector (or Pre-
conditioner)
PICNIC Peripheral Integrated Combined
Network IC (SAA4978): main IC for
2fH features and feature processing
PIP Picture In Picture
PLL Phase Locked Loop. Used for e.g.
FST tuning systems. The customer
can give directly the desired frequency
POR Power On Reset, signal to reset the P
Progressive Scan Scan mode where all scan lines are
displayed in one frame at the same
time, creating a double vertical
resolution.
PTC Positive Temperature Coefficient,
non-linear resistor
PW Pixel Works (manufacturer) video
scaling co-processor
PWB Printed Wiring Board (same as "PCB")
PWM Pulse Width Modulation
RAM Random Access Memory
RGB Red, Green, and Blue. The primary
color signals for TV. By mixing levels
of R, G, and B, all colors (Y/C) are
reproduced.
RGB_DVI RGB video input on DVI converter chip
RC Remote Control
RC5 / RC6 Signal protocol from the remote
control
RESET RESET signal
ROM Read Only Memory
R-TXT Red TeleteXT
SAM Service Alignment Mode
S/C Short Circuit
FTL13U AA & AB
SCART Syndicat des Constructeurs
d'Appareils Radiorecepteurs et
Televisieurs
SCL Serial Clock I2C
SCL-F CLock Signal on Fast I2C bus
SD Standard Definition
SDA Serial Data I2C
SDA-F DAta Signal on Fast I2C bus
SDRAM Synchronous DRAM
SECAM SEequence Couleur Avec Memoire.
Color system mainly used in France
and East Europe. Color carriers=
4.406250 MHz and 4.250000 MHz
SIF Sound Intermediate Frequency
SMPS Switched Mode Power Supply
SOG Sync On Green
SOPS Self Oscillating Power Supply
S/PDIF Sony Philips Digital InterFace
SRAM Static RAM
SSP Small Signal Panel
STBY STandBY
SUB_Y/U/V_2FH Y/U/V input from I/O cel
SOGIN Sync-On-Green input AD converter
SOGOUT Sync-On-Green output AD converter
SVGA 800x600 (4:3)
SVHS Super Video Home System
SW Software
SXGA 1280x1024
SYNCDET SOGOUT from AD converter
TFT Thin Film Transistor
THD Total Harmonic Distortion
uP Microprocessor
U_2FH_0..7 U digital output AD converter port 0 to
7 (7= MSB)
UXGA 1600x1200 (4:3)
V V-sync to the module
V_2FH_0..7 V digital output AD converter port 0 to
7 (7= MSB)
V_2FH_AD_OUT V-sync output from AD converter
VCR Video Cassette Recorder
V_DVI V-sync from DVI-to-RGB converter
chip
VESA Video Electronics Standards
Association
VGA 640x480 (4:3)
VL Variable Level out: processed audio
output toward external amplifier
V_SYNC_DVI V-sync on DVI connector
WYSIWYR What You See Is What You Record:
record selection that follows main
picture and sound
WXGA 1280x768 (15:9)
XTAL Quartz crystal
XGA 1024x768 (4:3)
Y Luminance signal
Y_2FH_0..7 Y digital output AD converter port 0 to
7 (7= MSB)
Y/C Luminance (Y) and Chrominance (C)
signal
YPbPr Component video. Luminance and
scaled color difference signals (B-Y
and R-Y)
YUV Component video
YUV_2FH YUV video input AD converter
YUV_DVI YUV output from matrix (RGB to YUV)
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