Circuit Descriptions - Philips 20HFL2809D/12 Service Manual

EN 20 7. VEM14.1E_LA

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
you will find a separate drawing for clarification.
Introduction
7.1
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
VEM1.1E LA Architecture Overview
7.1.1
For details about the chassis block diagrams refer
to chapter 9. Block Diagrams.
2014-Apr-09
Circuit Descriptions
Layouts).Where necessary,
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