Specifications

Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 50 LC4.1A AA9.
9.9.3 Basic Specification
The Micro Controller operates at the following supply voltages:
• +3.3 V_dc at pins 4, 88, 94, and 109.
• +1.8 V_dc at pins 93, 96, and 117.
• I2C pull up supply: +3.3V_dc.
9.9.4 Pin Configuration and Functionality
The ports of the Micro Controller can be configured as follows:
• A normal input port.
• An input ADC port.
• An output Open Drain port.
• An output Push-Pull port.
• An output PWM port.
• Input/Output Port
9.10 LCD Display
9.10.1 Specifications
Panel model : LC201V02 (20”)
: QD23WL04 (23”)
Resolution (HxV) : 640x480 pixels (20”)
: 1280x768 (23”)
Luminance : 450 nit (20”)
: 450 nit (23”)
Supplier : LG.Philips LCD (20”)
: Quanta Displays Inc
(23”)
9.11 Abbreviation List
0/6/12 SCART switch control signal on A/V
board. 0 = loop through (AUX to TV), 6
= play 16:9 format, 12 = play 4:3
format
1080i 1080 visible lines, interlaced
1080p 1080 visible lines, progressive scan
2CS 2 Carrier Stereo
480i 480 visible lines, interlaced
480p 480 visible lines, progressive scan
ACI Automatic Channel Installation:
algorithm that installs TV channels
directly from a cable network by
means of a predefined TXT page
ADC Analogue to Digital Converter
AFC Automatic Frequency Control: control
signal used to tune to the correct
frequency
AGC Automatic Gain Control: algorithm that
controls the video input of the feature
box
AM Amplitude Modulation
AP Asia Pacific
AR Aspect Ratio: 4 by 3 or 16 by 9
ASD Automatic Standard Detection
AV Audio Video
B-SC1-IN Blue SCART1 in
B-SC2-IN Blue SCART2 in
B-TXT Blue teletext
B/G Monochrome TV system. Sound
carrier distance is 5.5 MHz
BOCMA Bimos one Chip Mid-end Architecture:
video and chroma decoder
C-FRONT Chrominance front input
CBA Circuit Board Assembly (or PWB)
CL Constant Level: audio output to
connect with an external amplifier
CLUT Colour Look Up Table
ComPair Computer aided rePair
CSM Customer Service Mode
CVBS Composite Video Blanking and
Synchronisation
CVBS-EXT CVBS signal from external source
(VCR, VCD, etc.)
CVBS-INT CVBS signal from Tuner
CVBS-MON CVBS monitor signal
CVBS-TER-OUT CVBS terrestrial out
DAC Digital to Analogue Converter
DBE Dynamic Bass Enhancement: extra
low frequency amplification
DFU Directions For Use: owner's manual
DNR Dynamic Noise Reduction
DRAM Dynamic RAM
DSP Digital Signal Processing
DST Dealer Service Tool: special
(European) remote control designed
for service technicians
DTS Digital Theatre Sound
DVD Digital Video Disc
EEPROM Electrically Erasable and
Programmable Read Only Memory
EPG Electronic Program Guide: system
used by broadcasters to transmit TV
guide information (= NexTView)
EPLD Electronic Programmable Logic
Device
EU EUrope
EXT EXTernal (source), entering the set by
SCART or by cinches (jacks)
FBL Fast Blanking: DC signal
accompanying RGB signals
FBL-SC1-IN Fast blanking signal for SCART1 in
FBL-SC2-IN Fast blanking signal for SCART2 in