Circuit Descriptions, Abbreviation List, And Ic Data Sheets - Philips 32PF9968/10 Service Manual

Circuit Descriptions, Abbreviation List, and IC Data Sheets

7. Circuit Descriptions, Abbreviation List, and IC Data Sheets
Index of this chapter:
7.1 Introduction
7.2 LCD Power Supply
7.3 DC/DC converters
7.4 Front-End
7.5 Video Processing
7.6 Audio Processing
7.7 HDMI
7.8 Ambi Light
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 chapter
10. Circuit Diagrams and PWB
you will find a separate drawing for clarification.
9. Block Diagrams and
Layouts. Where necessary,
Figure 7-1 LC09M Architecture
LC9.1A LA
7.1 Introduction
The LC9.1A LA chassis (development name "LC09M") is an
analogue chassis using a Mediatek chipset. It covers screen
sizes of 32" to 52" with stylings called "PnS" (xxPFL5xxx),
"Frame" (xxPFL7xxx) and "Roadrunner" (xxPFL9xxx).
Main key components are:
• Mediatek MT5392 video processor
• NXP TDA8932BT audio processor
• ADV3002BSTZ01 HDMI switch
• UV1856 tuner and TDA9886 demodulator.
Refer to Figure 7-1 for details.
7. EN 31
18490_208_090409.eps
090409
2009-Apr-10