Philips L01.1U, Руководство по обслуживанию

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Circuit Description EN 104 L01.1U AC 9.
HFB Horizontal Flyback Pulse: horizontal
sync pulse from large signal deflection
HP Headphone
Hue Color phase control for NTSC (not the
same as 'Tint')
I Monochrome TV system. Sound
carrier distance is 6.0 MHz
I
2
C Integrated IC bus
IF Intermediate Frequency
IIC Integrated IC bus
Interlaced Scan mode where two fields are used
to form one frame. Each field contains
half the number of the total amount of
lines. The fields are written in 'pairs',
causing line flicker.
ITV Institutional TV
LATAM Latin America
LED Light Emitting Diode
L/L' Monochrome TV system. Sound
carrier distance is 6.5 MHz. L' is Band
I, L is all bands except for Band I
LNA Low Noise Amplifier
LS Large Screen
LS Loudspeaker
LSP Large signal panel
M/N Monochrome TV system. Sound
carrier distance is 4.5 MHz
MSP Multistandard 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.
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 e.g. alignments
OB Option Byte
OC Open Circuit
OSD On Screen Display
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
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
Progressive Scan Scan mode where all scan lines are
displayed in one frame at the same
time, creating a double vertical
resolution.
PTP Picture Tube Panel (or CRT-panel)
RAM Random Access Memory
RC Remote Control handset
RC5 Remote Control system 5, signal from
the remote control receiver
RGB Red Green Blue
ROM Read Only Memory
SAM Service Alignment Mode
SAP Second Audio Program
SC Sandcastle: pulse derived from sync
signals
S/C Short Circuit
SCAVEM Scan Velocity Modulation
SCL Serial Clock
SDA Serial Data
SDM Service Default Mode
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
SS Small Screen
STBY Standby
SVHS Super Video Home System
SW Software
THD Total Harmonic Distortion
TXT Teletext
uP Microprocessor
UOC Ultimate One Chip
VA Vertical Acquisition
VBAT Main supply voltage for the deflection
stage (mostly 141 V)
V-chip Violence Chip
VCR Video Cassette Recorder
WYSIWYR What You See Is What You Record:
record selection that follows main
picture and sound
XTAL Quartz crystal
YC Luminance (Y) and Chrominance (C)
signal
9.9 IC Data Sheets
In this paragraph, the internal block diagrams and pinning are
given of ICs that are drawn as a 'black box' in the electrical
diagrams (with the exception of 'memory' and 'logic' ICs).
This is not applicable for this manual (all ICs are drawn with
internal block diagrams)
www.freeservicemanuals.info 22/11/2016
Published in Heiloo Holland