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7. Circuit Descriptions
Index of this chapter:
7.1 Introduction
7.2 Power Architecture
7.3 DC/DC Converters
7.4 Front-End Analogue and DVB-T, DVB-C; ISDB-T reception
7.5 HDMI
7.6 Video and Audio Processing - PNX85500
7.7 Back-End
7.8 Ambilight
7.9 TCON
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 (see chapter
9. Block
Diagrams) and circuit diagrams (see chapter
10. Circuit Diagrams and PWB
necessary, you will find a separate drawing for clarification.
Figure 7-1 Architecture of TV550 platform - TCON integrated in display (xxPFL8xxx)
Circuit Descriptions
Layouts). Where
back to
div. table
Q552.1L LA
7.1
Introduction
The Q552.1L LA chassis is part of the TV550 platform and
comes with the following stylings: "van Gogh" (series
xxPFL5xxx), "Da Vinci" (series xxPFL6xxx) and "Matisse"
(series xxPFL8xxx). The TV550 platform is the successor of
the TV543 platform.
7.1.1
Implementation
Key components of this chassis are:
•
PNX85500 System-On-Chip (SOC) TV Processor
•
TX31XX Hybrid Tuner (DVB-T/C, analogue)
•
SII9x87 HDMI Switch
•
TPA312xD2PWP Class D Power Amplifier
•
LAN8710 Dual Port Gigabit Ethernet media access
controller.
7.1.2
TV550 Architecture Overview
For details about the chassis block diagrams refer to
Block
Diagrams. An overview of the TV550 architecture can be
found in
Figure
7-1.
7.
EN 47
chapter 9.
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2010-Dec-29
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