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 Front-End DVB-S(2) reception
7.6 HDMI
7.7 Video and Audio Processing - NT72453MBG-BA
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 TPN16.1E LA is a new chassis launched in Europe in
2016. The whole range is covered by NT72453.
The major deltas versus its predecessor support DVB-TC;
DVB-TC/T2; DVB-TC/S2 with also multi-media, ARC, CEC
function.
The TPN16.1E LA chassis comes with the following stylings:
•
series xxPxx5211
7.1.1
Implementation
Key components of this chassis are:
•
NT72453MBG-BA/B TFBGA-466 TV Processor
•
Tuner EU ST42CS-2-E for K/H/T models (DVB-C/T/T2&
Analogue)
•
Tuner EU DNBU02112IH2 for K models ( DVB-S/S2)
•
DEMODULATOR Si2166-B22-GMR QFN-48 for K models
•
AUDIO AD87588-LG48NAY 20W E-LQFP-48 150
•
AUDIO
AD22650-QH14NAR - TSSOP-14
7.1.2
TPN16.1E LA Architecture Overview
For details about the chassis block diagrams refer
to
. An overview architecture can be found in
.
