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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 - RTD2644DD
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
TPR14.1A LA
7.1
Introduction
The TPR14.1A LA is a new chassis launched in HongKong in
2014. The whole range is covered by RTD2644DD. The major
deltas versus its predecessor support NTSC/PAL, with
multi-media, MHL, Ethernet functionality.
The TPR14.1A LA chassis comes with the following stylings:
•
series xxPFD5519xx
•
series xxPFD5319xx
7.1.1
Implementation
Key components of this chassis are:
•
SCALER RTD2644DD LQFP 176
•
TUNER China DTOS40CVH033A
•
FLASH TC58NVG0S3ETA00 1G TSOP I 48-P-122
•
AUDIO AD52580-QG28NAR (AF) 15W E-TSSOP
7.1.2
TPR14.1A LA Architecture Overview
For details about the chassis block diagrams refer to chapter
.
Block Diagrams
An overview architecture can be found in
Figure
9.1.
7.
EN 21
9.
2014-Jul-18
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