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 ATV reception
7.5 HDMI
7.6 Video and Audio Processing - MST6852LP
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 TPS15.2A LA is a new chassis launched in AP in 2015.
The whole range is covered by MST6852LP. The major deltas
versus its predecessor support PAL/NTSC/SECAM, with
multi-media, Video out function.
The TPS15.2A LA chassis comes with the following stylings:
•
series xxPFA4500xx
7.1.1
Implementation
Key components of this chassis are:
•
SCALER MST6852LP-V5 EPLQFP-156
•
Silicon Tuner MxL661-AG-R
•
AUDIO TAS5729MDDCAR 10W TSSOP-48 for Audio Amp
7.1.2
TPS15.2A LA Architecture Overview
For details about the chassis block diagrams refer to chapter