Philips 20HFL2809D/12, Руководство по обслуживанию

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Circuit Descriptions EN 20 VEM14.1E_LA 7.
2014-Apr-09
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7.
Circuit Descriptions
Index of this chapter:
7.1 Introduction
7.2 Power Supply
7.3 Power Management
7.4 Circuit Description
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 Layouts ).Where necessary,
you will find a separate drawing for clarification.
7.1
Introduction
VEM14.1E LA main board is driven by Mediatek SOC. This IC
is a single chip IDTV solution that supports channel decoding,
MPEG decoding, and media-centre functionality enabled by a
high performance AV CODEC and CPU.
• Combo Front-End Demodulator
• A multi-standard A/V format decoder
• The MACEpro video processor
• Home theatre sound processor
• Internet and Variety of Connectivity Support
• Multi-purpose CPU for OS and multimedia
• Peripheral and power management
7.1.1
VEM1.1E LA Architecture Overview
For details about the chassis block diagrams refer
to chapter
9. Block Diagrams .