Philips 20PFL4122/93 Service Manual page 60

60
TPS 1.0A LA
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
NTSC norm, it is not transmitted off-air)
NVM Non-Volatile Memory: IC containing TV related data such as alignments
OSD On Screen Display
PLL Phase Locked Loop. Used for e.g.
LVDS Low Voltage Differential Signalling
Phase Alternating Line. Color system mainly used in West Europe (color carrier= 4.433619
PAL MHz) and South America (color carrier PAL M= 3.575612 MHz and PAL N= 3.582056MHz)
PCB Printed Circuit Board (same as PWB)
PCM Pulse Code Modulation
PWB Printed Wiring Board (same as "PCB")
PWM Pulse Width Modulation
QAM Quadrature Amplitude Modulation;modulation method
RAM Random Access Memory
Red, Green, and Blue. The primary color signals for TV. By mixing levels of R, G, and B, all
RGB colors (Y/C) are reproduced.
RC Remote Control RC5 / RC6 Signal protocol from the remote control receiver
RESET RESET signal
ROM Read Only Memory
SAM Service Alignment Mode
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
SDI Serial Digital Interface, see "ITU-656"
SDRAM Synchronous DRAM
SEequence Couleur Avec Memoire. Color system mainly used in France and East Europe.
SECAM 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
I2C Integrated IC bus
I2D Integrated IC Data bus
I2S Integrated IC Sound bus
IB In Band channel
IF Intermediate Frequency
Scan mode where two fields are used to form one frame. Each field contains half the number of
Interlaced the total amount of lines. The fields are written in "pairs", causing line flicker.
IR Infra Red
IRQ Interrupt Request
LATAM Latin America
LCD Liquid Crystal Display
LED Light Emitting Diode
LPL LG.Philips LCD (supplier)
MUTE MUTE Line
9. Circuit Descriptions, Abbreviations List and IC Data Sheets