Circuit Descriptions
EN 42 QM15.2E LA7.
2015-Sep-30
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7. Circuit Descriptions
Index of this chapter:
7.1
Introduction
7.2 Power Supply
7.3 DC/DC Converters
7.4 Front-End Analogue and DVB-T/T2, DVB-C; DVB S/S2,
ISDB-T reception
7.5 HDMI
7.6 Video and Audio Processing - MT5593F/H/UPIJ
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
The QM15.2E LA is a new chassis launched in Europe in
2015. The whole range is covered by MT5593.
The major deltas versus its predecessor support NTSC;
PAL-M; PAL-N; DVB-T/T2/S2/C AND ISDB-T with also
multi-media, CEC, ARC, MHL,USB 3.0, WIFI, smart TV
functionality.
The QM15.2E LA chassis comes with the following stylings:
• series xxPFH5500xx
• series xxPFK5500xx
• series xxPFT5500xx
• series xxPFx65xx
• series xxPUx6400xx
7.1.1 Implementation
Key components of this chassis are:
• SCALER MT5593F/H/UPIJ HSBGA-900
• FLASH THGBMBG6D1KBAIL 8GB FBGA153
• DRAM K4B2G1646Q-BCMA 2Gb FBGA-96
• DRAM K4B4G1646D-BCMA 4Gb FBGA-96
• DRAM NT5CB256M16CP-EK 4Gb FBGA-96
• TUNER EUROPE TDSY-G480D
• TUNER EUROPE TDQS-A701F only for K series
• DEMODULATOR Si2168-C50-GMR QFN-48 for T series
• DEMODULATOR Si2166-B22-GM QFN48 for K series
• AUDIO Amplifier. TAS5760LDDCAR 20W TSSOP-48
7.1.2 QM15.2E LA Architecture Overview
For details about the chassis block diagrams refer
to 9. Block Diagrams
. An overview architecture can be found in
Figure 9.1
.