Circuit Descriptions
7.
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, DVB-C; ISDB-T reception
7.5 HDMI
7.6 Video and Audio Processing - MT5593UGIJ
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
) 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 QM16.3A LA is a new chassis launched in AP in 2016.
The whole range is covered by MT5593UGIJ platform.
The major deltas versus its predecessor support DVB-C;
DVB-T2, with also USB3.0,WIFI/multi-media, Video out
functionality.
The QM16.3A LA chassis comes with the following stylings:
•
series xxPUx7101/xx
•
series xxPUT6801/xx
•
series xxPUT7601/xx
7.1.1
Implementation
Key components of this chassis are:
•
SCALER NT72324BG-35 PBGA-1057
•
SCALER NT72333TBG/C TFBGA_484
•
SCALER MT5593UGIJ HSBGA-900
•
DEMODULATOR Si2168-C50-GMR QFN-48
•
FLASH MX25L1606EM2I-12G 16Mb SOP-8(200m)
•
FLASH W25Q16DVSSIG 16Mb SO-8
•
NAND FLASH THGBMBG7D2KBAIL 16G BGA-153
•
AUDIO Amplifier. TAS5760LDDCAR 20W TSSOP-48
•
TUNER EUROPE TDSY-G480D
•
TUNER EUROPE TDQS-A701F
7.1.2
QM16.3A LA Architecture Overview
For details about the chassis block diagrams refer
to
. An overview architecture can be found in
.
