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DIA-2
BLOCK & SCHEMATIC DIAGRAMS
<LW373/LW333/LB423/LB383/LB353/LB303>
Audio_out
Audio_in
R/L(RAC)*2
Component V
ideo
HDMI
RS232
SP3232E
USB*1
USB-2
S-V
ideo
VGA1
Ycbcr
VGA2
RMII
RJ45(With
network
transformer
）
LAN8720
DDR2
Flash
CXD35
51
Lamp control
DDR2
CXA38
28
F
AN3
F
AN2
F
AN1
Sub_CPU
IIC
Sensor1
Sensor2
Sensor3
AMP
DAC
Speaker
IR
Remote
control
Key
LED Indicate
B
LCD
lamp
IRIS
IRIS
B
Cooling fan
PWC878
1. Block Diagram
1. 1. Main board control
For PT-LW373/LW333/LB423/LB383/LB353
R
/G
/B
/H
/V
R
/G
/B
R
/G
/B
H
/V
H
/V
H
/V
R
X
D
/T
XD
I2
C
S
peak
er
2W
4
Ω
R
/G
/B
16
V
6V
R
X
D
/T
XD
PW
868LH
B
IC
100
1
VG
A
IN
VGA
1
OUT
R
S232
S-
VIDE
O
Y/Pb
/P
r
VI
D
EO
TP
F13
3
IC
3503
SN
74
HC
125PW
IC
3502
3232
E
IC
3002
Te
m
p
. Se
n
sor*2
AT
30
TS7
5
IC
1301
/IC
130
2
EEP
R
OM
24
AA6
4
T
-IM
S
IC
101
3
P
OWE
R
CXD3
551
GG
IC
800
1
K
ey P
ad
R
C
Fa
n
C
on
tro
l
Su
b
M
CU
PIC1
6
F1
82
4
IC
180
1
LE
D C
on
tr
o
l
DDR
II
K4
T1
G1
64
QF
-BC
F8
IC
100
5
L
CD Dri
ve
r
C
XA
3828
GL
IC
900
1
R
G
B
L
CD P
ane
l
FA
NA
L
CD P
ane
ls C
oo
lin
g
FAN
B
Pow
er
and
Lam
p
C
ooli
ng
FA
NC
La
mp
C
oo
lin
g
B
a
lla
st
C
on
tr
o
l
IRIS
Fl
a
sh
M
e
m
o
ry
MX
2
5L25635
F
MI
-10
G
IC
100
6
HDM
I
P
T2334
IC
5007
For PT-LB303
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