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Circuit Descriptions, Abbreviation List, and IC Data Sheets
9. Circuit Descriptions, Abbreviation List, and IC Data Sheets
Index of this chapter:
9.1 Introduction
9.2 Main Supply
9.5 Abbreviation List
9.6 IC Data Sheets
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 (chapter 6) and
circuit diagrams (chapter 7). Where necessary, you will find
a separate drawing for clarification.
9.1
Introduction
This chassis (member of the "TV522"platform) is a derivative
from the Q522.1E LA chassis (member of the "TV522"
HDMI Side
HDMI 1
HDMI 2
HDMI 3 /
MPEG4
Architecture Block Diagram
ADI8191
ADI8191
NXP
NXP
HDMI switch
HDMI switch
PNX8541
PNX8541
Digital Colour Decoder
Digital Colour Decoder
10-bit video
10-bit video
Hybrid Tuner
Hybrid Tuner
MASTER IF
MASTER IF
3-field HD MADI
3-field HD MADI
Saw
Saw
DVB-T
DVB-T
DVB-C
MPEG2MPEG2
TDA10048
TDA10048
MPEG2
TDA10023
TDA10048
CI
DDR1
DDR1
64MB
64MB
32
32
STi7101
STi7101
MPEG4 HD
MPEG4 HD
8
8
FLASH
FLASH
Figure 9-1 Architecture of TV522 platform
platform). It comes with a new styling called "ME8" and "MG8"
styling.
Main difference with the previous chassis is the additional
DVB-C reception functionality.
For all other features of the chassis, refer to the Q528.1E LA/
LB Service Manual.
9.1.1
TV522 Architecture Overview
For details about the chassis block diagrams refer to chapter
"Block diagrams, Test Point Overview, and Waveforms". An
overview of the TV522 architecture can be found in next figure
"Architecture of TV522 platform".
DDR-II
DDR-II
64MB
64MB
32
32
YUV20
YUV20
PNX5050
LVDS
HD-DNM
Transmitter
FLASH
FLASH
USB2.0
USB2.0
64MB
64MB
HP Amp
HP Amp
Class D
Class D
TDA8932T
TDA8932T
Q522.1E LB
9.
Matrix
Matrix
RGB30
Matrix
Matrix
HD@50Hz
HD@50Hz
HD@50Hz
HD@50Hz
HD@100Hz
HD@100Hz
HD@100Hz
HD@100Hz
FHD@50Hz
FHD@50Hz
FHD@50Hz
FHD@50Hz
PCI/XIO
I_17970_007.eps
050608
EN 171
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