Philips 32PFK5300, Service Manual

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Circuit Descriptions EN 24 TPM15.1E LA 7.
2015-Jun-12
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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 DVB-T, DVB-C; ISDB-T reception
7.5 HDMI
7.6 Video and Audio Processing - MT5580PUEI/B
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 TPM15.1E LA is a new chassis launched in Europe in
2015. The whole range is covered by MT5580 platform.
The major deltas versus its predecessor support DVB-TC;
DVB-TC/T2; DVB-TC/S2 with also multi-media, ARC,
SPDIF, WIFI, Smart TV functionality.
The TPM15.1E LA chassis comes with the following stylings:
•
series xxPFX5300/xx
7.1.1 Implementation
Key components of this chassis are:
•
SCALER MT5580PUEI/B PBGA-511 TV Processor
• Tuner Europe ST25CS-2-E for K/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 T
series(T2 Demond)
• Test only other AVL6211LA LQFP-64 for K series(S2
Demond)
• TAS5760LDDCAR 20W TSSOP-48 for Audio Amplifier
• THGBMAG5A1JBAIR 4GB FBGA153 for EMMC IC
• MP8126DF-LF-Z 550mA 13V TSSOP-16EP for LNB
Power supply IC
7.1.2 TPM15.1E 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 .