Philips 32PHD5101/30, Руководство по обслуживанию, Страница: 22 / 59

Circuit Descriptions EN 22 TPS16.1A LA 7.
2016-Jun-08
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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 and PAL I, DTMB reception
7.5 HDMI
7.6 Video and Audio Processing - MSD8120PBM
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 Layouts ).Where necessary,
you will find a separate drawing for clarification.
7.1 Introduction
The TPS16.1A LA is a new chassis launched in AP in 2016.
The whole range is covered by MSD8120PBM.
The major deltas versus its predecessor support
PAL/DTMB with also multi-media, video out function.
The TPS16.1A LA chassis comes with the following stylings:
•
series 24Pxx45x1
• series 32PHD5101
7.1.1 Implementation
Key components of this chassis are:
•
SCALER MSD8120PBM-V5 EPLQFP-156
• Silicon Tuner MxL661-AG-R
• DEMODULATOR MSB1238 LQFP-48
• AUDIO TAS5729MDDCAR 10W TSSOP-48 for Audio Amp
7.1.2 TPS16.1A 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 .