Philips 32PW9618 Service Manual page 151

Circuit Descriptions, Abbreviation List, and IC Data Sheets
and horizontal amplitude correction,
beam current protection, and flash
detection.
EW East West, related to horizontal
deflection of the set
EW-DRIVE The drive signal for the EW transistor
EXT EXTernal (source), entering the set by
SCART or by cinches (jacks)
FALCONIC SAA4992H, feature box IC which
performs Digital Natural Motion, 3DNR
vertical zoom, and vertical peaking
FBL Fast BLanking: DC signal
accompanying RGB signals
FBSCO Fixed Beam Current Switch Off, a 140
V dip detection to activate the black
switch off circuit
FBX Feature BoX: part of the small signal
board /separate module which
contains 100 Hz processing, extra
features and AutoTV algorithms
(FBX6= based on PICNIC, FBX7=
based on PICNIC and Eagle)
FDS Full Dual Screen
FILAMENT Filament of CRT
FLASH FLASH memory
FM Field Memory or Frequency
Modulation
G-TXT Green TeleteXT
GND-DRIVE A separate ground for the line-drive
toward the line driver
H H_sync to the module
H_770 H_sync for 770.2 or 770.3 source
H_A50 Horizontal Acquisition 1fH: horizontal
sync pulse coming out of the HIP
H_D100 Horizontal Drive 2fH: horizontal sync
pulse coming out of the feature-box
HD at HOME A signal from the OTC, to switch the
HOP to the Pixel Plus standard (60 Hz
frame)
H-DVI H_sync from DVI to RGB converter
chip
HFB Horizontal Flyback Pulse: horizontal
sync pulse from large signal deflection
HIP High-end video Input Processor
(TDA9320): video and chroma
decoder.
HOP High-end video Output Processor
(TDA9330): video, sync, and
geometry controller
H_OUT H_sync output of the module
HP HeadPhone
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
IROM Internal ROM
Last Status The settings last chosen by the
customer and read and stored in RAM
or in the NVM. They are called at start-
up of the set to configure it according
to the customer's preferences
LDP Line Deflection Protection signal,
derived from the EW current and
voltage
LED Light Emitting Diode
LINE-DRIVE LINE DRIVE signal (for the Line
transistor)
LNA Low Noise Adapter / Low Noise
Amplifier
LO Local Oscillator
Ls, Rs Left surround and Right surround
channel (audio)
LSP Large Signal Panel
EM6E
Lt, Rt Left total and Right total in case of a
Dolby ProLogic encoded signal
(audio)
MSP Multi-standard Sound Processor: ITT
sound decoder
MUTE MUTE Line
NC Not Connected
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
PA Power Amplifier
PCB Printed Circuit Board
PICNIC Peripheral Integrated Combined
Network IC (SAA4978): main IC for
100 Hz features and feature
processing
PIP Picture In Picture
Progressive Scan Scan mode where all scan lines are
displayed in one frame at the same
time, creating double vertical
resolution.
PTP Picture Tube Panel
RAM Random Access Memory
R-TXT Red TeleteXT
RC Remote Control
RC5 / RC6 Signal protocol from the remote
control receiver
RESET RESET signal
ROM Read Only Memory
SAM Service Alignment Mode
S Surround channel or mono surround
channel (audio)
SC SandCastle: two-level pulse derived
from sync signals
S/C Short Circuit
SCAVEM SCAn VElocity Modulation
SCL-F CLock Signal on Fast I2C bus
SD Standard Definition
SDA-F DAta Signal on Fast I2C bus
SIF Sound Intermediate Frequency
SNERT Synchronous No parity Eight bit
Reception and Transmit
SSP Small Signal Panel
STBY STandBY
SW SubWoofer
TXT TeleteXT
uP Microprocessor
U_100 U from Feature Box
V_100 V from Feature Box
V_A50 Vertical Acquisition 1fH
V_BAT Main supply for deflection (usually 141
V)
V_D100 Vertical Drive 2fH: vertical sync pulse
from deflection
V_DPOS One of the symmetrical drive signals
for the DC frame output stage.
V_DNEG One of the symmetrical drive signals
for the DC frame output stage.
VFB Vertical Flyback Pulse: vertical sync
pulse coming from the feature box
VL Variable Level out: processed audio
output toward external amplifier
WYSIWYR What You See Is What You Record:
record selection that follows main
picture and sound
X-RAY-PROT A PROTection signal against
excessive X-RAY radiation
XROM External ROM
XTAL Quartz crystal
9. EN 151