Circuit Descriptions - Philips 32PFS5709/12 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 Analogue and DVB-S2 reception
7.6 HDMI
7.7 Video and Audio Processing - MT5591IVDJ
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
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
TPM14.2E LA
7.1 Introduction
The TPM14.2E LA is a new chassis launched in Europe in
2014. The whole range is covered by SCALER MT5591.
The major deltas versus its predecessor DVB-TC; DVB-TC/T2,
DVB-TC/S2 with also multi-media, 3D, Ambilight, WIFI, Smart
TV, Light Sensor functionality.
The TPM14.2E LA chassis comes with the following stylings:
• series xxPFx5700
• series xxPFx5900
• series xxPFx6400
• series xxPFx6500
• series xxPFx6600
• series xxPFx6710
• series xxPUx6800
• series xxPFx6900
• series xxPUx6900
• series xxPFx7100
• series xxPFx7300
• series xxPFx7500
7.1.1 Implementation
Key components of this chassis are:
• SCALER MT5591IVDJ HSBGA-758 TV Processor
• TUNER-TDSY-G380D for H/T series (DVB-T/C, T2
analogue)
• TUNER EUROPE SUT-RE231ZN for S series (DVB-T /T2
&DVB-C & Analogue)
• TUNER EUROPE SUT-ZE221ZN for K series (DVB-S2)
• DEMODULATOR CXD2839ER VQFN-48 for (K model) S2
Demond
• DEMODULATOR CXD2842ER-T4 VQFN-48 for (S model)
T2/S2 Demond
• STA381BWTR 20W VQFN-48 for AUDIO Amplifier
• THGBM5G5AJBAIR 4GB P-VFBGA153 for EMMC IC
• C MP8126DF-LF-Z 550mA 13V TSSOP-16EP for LNB
Power supply IC
7.1.2 TPM14.2E LA Architecture Overview
For details about the chassis block diagrams refer
to Figure 9.1.An overview of the Philips MTK5591 architecture
can be found in Figure
7. EN 65
7-1.
2014-Sep-26