Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.
9.
Circuit Descriptions, Abbreviation List, and IC Data Sheets
Index of this chapter:
9.1 Introduction
9.2 Block Diagram
9.3 Abbreviation List
9.4 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
•
The 19PFL3403D/10 uses 1440x900 WXGA+ LCD panel
and the 22PFL3403D/10 uses 1680x1050 WSXGA+ LCD
panel.They support PC modes via a VGA D-sub and HDMI
input, and support component video, S-Video, composite
video and audio inputs, full SCART input, HDMI with
HDCP, also YPbPr is supported up to 1080i and HDMI can
support up to 1080p (both also support down to and
including 480i).
•
The chassis uses a MT5335PGU scaler IC, which
combines a transport de-multiplexer, a high definition
MPEG-2 video decoder, an MPEG2 audio decoder, an
LVDS transmitter, and a NTSC/PAL/SECAM TV decoder
with a 3D comb filter.
•
The Scaler board takes care of the video and audio
processing. It uses the MT5335PGU as scaler engine,
which has built-in high resolution and high-quality audio
decoder. It includes the MediaTek 2D MDDi de-interlace
solution to generate very smooth picture quality for
motions. A 3D comb filter added to the TV decoder
recovers great detail for still pictures. The special color
processing technology provides natural, deep colours and
true studio quality graphics.
•
The MediaTek MT5335PGU family consists of a backend
decoder and a TV controller and offers high integration for
advanced applications. The MT5335PGU enables a true
single-chip experience. It integrates high-quality HDMI1.3,
high speed VGA ADC, dual-channel LVDS, and USB2.0
receiver.
9.2
Block Diagram
19PFL3403D&22PFL3403D
Figure 9-1 Scaler board block diagram
5V
Power
3
.
3
V,2.5V,1.
8
V,1.2V,1.1V
IR
Headphone
Audio AMP
TDA
8
9
3
2BTW
12V
S
B-01
MT5335PGU
MPEG-1 l
a
yer I/II decoding
A
u
dio ADC
A
u
dio DAC
3
D
su
rro
u
nd proce
ss
ing with
Virt
ua
l
su
rro
u
nd
A
u
tom
a
tic vol
u
me control
A
u
dio I/F
2-D Gr
a
phic
De-interl
a
ce
VADCx4
HDMI In I/F
Digit
a
l TV Demod
u
l
a
tor
An
a
log TV IF Demod
u
l
a
tor
TV
au
dio demod
u
l
a
tor
3
.
3
V,2.5V,1.2V,1.1V
Power
Board
16V
Common Interface Controller
MT
8
295
3
.
3
V,1.
8
V
PCMCIA
5V,
3
.
3
V
D-
S
UB/PC-VGA
S
CART
HDMI 1
HDMI 2
HDMI MUX
TMD
S
251PAGR
5V,
3
.
3
V
Audio R/L of CVB
S
Audio R/L of PC
YPbPr/L/R
S
-Video
Keypad
Channel demodulator
MT51
33
3
.
3
V
TUNER
ENG
3
7E14KF
5V
S
B-04
S
B-05
S
B-1
3
S
B-1
3
S
ub MCU
WT6702F_OG200WT
3
.
3
V
S
B-11
S
B-10
Fla
s
h MX25L
3
205DMI-12G
DDR
S
DRAM
HY5DU121622DTP-D4
3
2.5V
S
B-19
S
B-1
8
S
B-17
S
B-1
3
S
B-0
3
S
B-01
S
B-02
S
B-09
S
B-15
S
B-1
8
S
PIDF OUT
2.5V
S
B-1
8
S
B-14
EARPHONE AMP
S
B-17
I_177
8
0_0
3
0.ep
s
17040
8
