Philips QM14.3E LA, Руководство по обслуживанию

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Circuit Descriptions EN 24 QM14.3E LA 7.
2014-Apr-17
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7. Circuit Descriptions
Index of this chapter:
7.1 Introduction
7.2 MTK platform
7.3 Power Supply
Notes:
•
Only new 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
The QM14.3E LA chassis is a new platform launched in Europe
in 2014. This chassis contains the MT5591. The major deltas
versus its predecessor are DVB-TC; DVB-TC/T2, DVB-TC/S2
with also multimedia, 3D, AmbiLight, WiFi, Smart TV and Light
Sensor functionality.
The QM14.3E LA covers sets in the 78xx-range (42”, 49”, 55”).
7.2 MTK platform
7.2.1 Architecture
Figure 7-1 gives an overview of the architecture.
Refer to chapter 9. Block Diagrams for a detailed diagram.
Figure 7-1 Architecture of the MT5591 platform
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