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 Analogue and DVB-S2 reception
7.6 HDMI
7.7 Video and Audio Processing - MT5580PUEI/B
7.8 Ambilight
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
you will find a separate drawing for clarification.
7.1
Introduction
The TPM14.1E LA is a new chassis launched in Europe in
2014. The whole range is covered by SCALER MT5580.
The major deltas versus its predecessor DVB-TC;
DVB-TC/T2, DVB-TC/S2 with also multi-media, 3D, WIFI,
Smart TV, Word Mark brightness, Light Sensor
functionality.
The TPM14.1E LA chassis comes with the following stylings:
•
series xxPxx4500
•
series xxPFx5500
•
series xxPFx5600
•
series xxPFx6100
•
series xxPFx6300
•
series xxPFx6500
7.1.1
Implementation
Key components of this chassis are:
•
SCALER MT5580PUEI/B PBGA-511 TV Processor
•
TUNER EUROPE ST25CS-2-E for H series (DVB-T/C)
•
TUNER-TDSY-G720D for T series (DVB-T2)
•
TUNER EUROPE TDQS-A901F for K series (DVB-S2)
•
DEMODULATOR CXD2837ER-T4 VQFN-48 for T2
Demond
•
TEST ONLY Others AVL6211LA LQFP-64 for S2 Demond
•
TAS5760LDDCAR 20W TSSOP-48 for AUDIO Amplifier
•
THGBM5G5A1JBAIR 4GB FBGA153 for EMMC IC
•
MP8126DF-LF-Z 550mA 13V TSSOOP-16EP for LNB
Power supply IC
7.1.2
TPM14.1E LA Architecture Overview
For details about the chassis block diagrams refer
to