Toshiba 28YT56, Service Manual

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SSS Static Standard Selection
State The condition of a component that results in a particular observable behaviour.
Status Handler A step that handles a status change, by managing the response to the change.
STB SetTop Box
TOP(TEXT) Table Of Pages, Special way of accessing teletext pages
TXT Teletext
UHF Ultra High Frequency
UI User Interface
UIMS User Interface Management System
UOC Ultimate One Chip
User See Set-maker
VDS Virtual Dolby Surround
VG2 Voltage at Gate 2
VHF Very High Frequency
VIF Video Intermediate Frequency
VOD Video On Demand
VPS Video Programming delivery control System
VS Vertical Slope
VSH Vertical Shift
VSP Video Signal Processor (on Cosmic)
VST Voltage Synthesis Tuning
Y/C Luminance/Chroma signal, S-VHS
YprPb Luminance Y and colour difference signals (Pr - red, Pb - blue, colour bar 100%
saturation)
YUV Luminance (Y) and colour difference signals (U and V).
Audio Preset: Pre-defined audio reproduction settings stored in NVM. The values of the items
in a Preset can be set in service.
SCAVEM : SCAn VElocity Modulation
User 1 : User defined setting for height of a 16:9 picture setting
User 2 : User defined setting for the zoom and the scroll of a 16:9 picture setting
Indicator : An on screen object, giving textual or graphical information on user commands
or system events .
NVM: Non Volatile Memory, used to store user and service/factory settings
Program : A broadcasted TV signal received via the tuner. A program can be identified by
the frequency by which it is transmitted.
Source : The selected input of the TV receiver. This can either be a the front end (i.e. a
program) or an external AV source.
Video Preset : Pre-defined video reproduction settings stored in NVM. The values of the items
in a Preset can be set in service.
White tone : Pre-defined values for the white point RED, GREEN and BLUE settings. The
values of the white point settings for each white tine setting can be set in
service.
Hue : Tint
First/last program: 0-99 for 100 programs available.
Available program : First available program is the lowest program number in NVM that is marked as
not skipped. When all programs are skipped then the lowest program number is
used. Last available program is the highest program number in NVM, which is