Read Panasonic PT-LW375 / PT-LW335 / PT-LB425 / PT-LB385 / PT-LB355 / PT-LB305 (serv.man2) Service Manual online
DIA-3
BLOCK & SCHEMATIC DIAGRAMS
<LW375 / LB305 / TW371R /TW370 / XW3370 series>
Audio_out
Audio_in
R/L(RAC)*2
Component Video
HDMI
RS232
SP3232E
USB A
USB B
S-Video VGA1 Ycbcr
VGA2
RMII
RJ45(
With
network transformer
）
LAN8720
DDR2
Flash
EEPROM
CXD3551
Lamp control
DDR2
CXA3828
FA
N C
FA
N B
FA
N A
Sub_CPU
IIC
SENSOR A
SENSOR B
SENSOR C
AMP
DAC
Speaker
IR
Remote control
Key
LED Indicate
LCD
lamp
IRIS
Fan
PWC878
1. Block Diagram
1. 1. Main board control
R
/G/
B/
H
/V
R
/G/
B
R
/G/
B
H
/V
H
/V
H
/V
R
XD
/TX
D
I2
C
Spe
ak
er
2W
4
Ω
R
/G/
B
16
V
6V
R
XD
/TX
D
PW
868L
H
B
IC
10
01
VG
A
IN
VG
A1
OUT
R
S232
S
-VI
DE
O
Y/P
b/
Pr
V
IDE
O
TP
F1
33
IC
35
03
SN
74H
C
125PW
IC
3502
323
2E
IC
30
02
Te
m
p.
Se
nsor X2
AT3
0TS7
5
IC
130
1/IC
13
02
EEP
R
OM
24
AA6
4T
-IM
S
IC
10
13
P
OWE
R
CXD3
55
1GG
IC
80
01
Ke
y
Pa
d
RC
Fa
n
C
on
tro
l
Su
b
M
CU
PIC1
6F1
82
4
IC
18
01
LE
D
C
on
tro
l
DD
R
II
K4
T1
G1
64
QF
-BC
F8
IC
10
05
LCD
Dri
ve
r
CX
A
382
8GL
IC
90
01
R
G
B
LCD
P
an
el
FA
NA
LCD
P
an
els
C
oo
lin
g
FAN
B
Pow
er
and
Lam
p
C
ooli
ng
FA
NC
La
mp
Co
oli
ng
B
all
ast
C
on
tro
l
IRIS
Fl
ash
M
em
ory
M
X2
5L2563
5FM
I-1
0G
IC
10
06
HDM
I
P
T23
34
IC
50
07
For LB305 / XW3370 series
For LW375 / TW371R / TW370 series
Click on the first or last page to see other PT-LW375 / PT-LW335 / PT-LB425 / PT-LB385 / PT-LB355 / PT-LB305 (serv.man2) service manuals if exist.