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EN 58
9.
LC8.1E LB
9. Circuit Descriptions, Abbreviation List, and IC Data Sheets
Index of this chapter:
9.1 Introduction
9.2 LCD Power Supply
9.3 DC/DC converters
9.4 Front-End
9.5 Video/Audio Processing
9.6 HDMI
9.7 Abbreviation List
9.8 IC Data Sheets
Notes:
•
Only new circuits (circuits that are not published recently)
are described.
•
Figures can deviate slightly from the actual situation, due
to different set executions.
•
For a good understanding of the following circuit
descriptions, please use the Wiring, Block (chapter 6) and
Circuit Diagrams (chapter 7). Where necessary, you will
find a separate drawing for clarification.
Tuner
Ext 1 - Scart 1
L
/
R
VGA
HDMI 1
HDMI 2
Circuit Descriptions, Abbreviation List, and IC Data Sheets
SMIC
TDA8890
LOC TOP
TDA15471/15421
HDMI
MUX
DDR1
250MHz
16MB
CEC
Figure 9-1 LC08EE Architecture
9.1
Introduction
The LC8.1E LB chassis (development name "LC08EE") is a
new chassis using an NXP "LOC-TOP" chipset. It covers
screen sizes of 32" and 42" with the "MG8" styling.
Main key components are:
•
NXP TDA1547 "LOC-TOP" LCD TV controller
•
NXP TDA8890 "LOC-TOP" Versatile Video processor
•
Weltrend WT61P8S microprocessor
•
NXP TDA8932 Class-D Audio processor
•
UV1316E tuner.
Refer to figure "LC08EE Architecture" for details.
DC-DC
1x NCP5422
4xLD1117
LVDS
CLASS D
TDA8933BT
Standby uP
I2C
WT61P7/8
SPI
Flash
1MB
HP
SPDIF
IR, LED, LC
I_18170_038.eps
310708
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