Circuit Descriptions - Philips 20PHH4109/88 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 - NT72567BG-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
TPN14.1E LA
7.1 Introduction
The TPN14.1E LA is a new chassis launched in Europe in
2014. The whole range is covered by NT72567.
The major deltas versus its predecessor support DVB-TC;
DVB-TC/T2; DVB-TC/S2 with also multi-media, CEC,
DLNA, ARC,SPDIF output functionality.
The TPN14.1E LA chassis comes with the following stylings:
• series xxPxx4100
7.1.1 Implementation
Key components of this chassis are:
• NT72567BG-BA LFBGA-576 TV Processor for 4100 series
• ST03CS-2-E Tuner for H/T series ( DVB-T/C, T2 analogue)
• TUNER EUROPE TDQS-A801F for K series ( DVB-S2)
• NT78820TL for T2 demond
• AVL6211LA LQFP-64 for S2 demond
• STA381BWTR 20W VQFN-48 for AUDIO Amplifier
7.1.2 TPN14.1E 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 37
2014-Feb-21