Circuit Descriptions - Philips 4101 Series Service Manual

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
9. Block Diagrams) and circuit diagrams (see chapter
10. Circuit Diagrams and PWB
you will find a separate drawing for clarification.
Circuit Descriptions
Layouts).Where necessary,
back to
div. table
TPN16.2E LA
7.1 Introduction
The TPN16.2E 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 TPN16.2E LA chassis comes with the following stylings:
• series xxPxx4101
• series xxPxx4111
• series xxPxx4201
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 NT78822QG/A QFN-48 for T models
• 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 TPN16.2E 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.
7. EN 25
2016-Jul-15