Circuit Descriptions, List of Abbreviations, and IC Data Sheets
EN 38 L03.2L AA9.
POR Power-On Reset; Signal to reset the
µP
PTP Picture Tube Panel (or CRT-panel)
RAM Random Access Memory
RC Remote Control transmitter
RGB Red, Green, and Blue colour space;
The primary colour signals for TV. By
mixing levels of R, G, and B, all colours
(Y/C) are reproduced
ROM Read Only Memory
SAP Secondary Audio Program; Generallly
used to transmit audio in a second
language
SC Sandcastle: two-level pulse derived
from sync signals
S/C Short Circuit
SCL Serial Clock I
2
C
SDA Serial Data I
2
C
SDAM Service Default / Alignment Mode
SECAM SÉquence Couleur Avec Mémoire;
Colour system mainly used in France
and East Europe. The chroma is FM
modulated and the R-Y and B-Y
signals are transmitted line
sequentially. Colour carriers=
4.406250 MHz and 4.250000 MHz
SIF Sound Intermediate Frequency
SS Small Screen
STBY STandBY
SVHS Super Video Home System
SW Software or Subwoofer of Switch
THD Total Harmonic Distortion
TriNorma Video standard. Combination of PAL
N, PAL M, NTSC M
TXT Teletext; TXT is a digital addition to
analogue TV signals that contain
textual and graphical information (25
rows x 40 columns). The information is
transmitted within the first 25 lines
during the Vertical Blank Interval (VBI)
µP Microprocessor
UOC Ultimate One Chip
VV_sync
V_BAT Main supply voltage for the deflection
stage (mostly 141 V)
V-chip Violence chip. Adds content filtering
capabilities to NTSC video
VCR Video Cassette Recorder
WYSIWYR What You See Is What You Record:
record selection that follows main
picture and sound
XTAL Quartz crystal
Y/C Y consists of luminance signal,
blanking level and sync; C consists of
chroma (colour) signal
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