Circuit Descriptions
7.
7.
Circuit Descriptions
Index of this chapter:
7.1 Introduction
7.2 Power Supply
7.3 DC/DC Converters
7.4 Video and Audio Processing – MTK5325ZLHJ
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
) and circuit diagrams (see chapter
10. Circuit Diagrams and PWB Layouts
you will find a separate drawing for clarification.
7.1
Introduction
The TPM9.5A LA is a new chassis is using the MT5325ZLHJ
main IC, the so-called MT5325 platform. This chassis makes
use of TPT LED displays.
7.1.1
Implementation
Key components of this chassis are:
•
MT5325ZLHJ PBGA-655 TV Processor
•
DTC86WT-17-E combined DMB-TH, analogue tuner
•
TDA19998HL/C1 LQFP-100 HDMI Switch
•
STA339BWTR Power SSO36 Class-D audio amplifier
7.1.2
TPM9.5A LA Architecture Overview
For details about the chassis block diagrams refer
to