Sharp LC-32LE155D2, Service Manual

Page: 20 / 73

LC-32LE155D2 / LC-39LE155D2
6 – 1
CHAPTER 6.
OVERALL WIRING/
BLOCK DIAGRAM
[1] SYSTEM BLOCK DIAGRAM
External Key
( For 60" and 70" model )y(
)
KEY
KEY/
S
W
K1
STBY
Key1
Key2
STBY_
GND
3.3V UART
T
X
HDMI
TUNER
INPUT 1
INPUT 2
INPUT 3
Dig
ital
/Anal
o
g
T
aiw
an( PW
B pattern)
SC1503
P3302
4 pi
n
(Ex
ternal
L
E
D
/R
C
)
UART
T
X
UART
RX
GND
SC1501
HDM
I 1/
ARC
a(4)
k(2)
DMI
5V
SC1502 HDM
I 2
a(4)
k(2)
DMI
5V
SC1503
HDM
I 3/
M
H
L
a(4 )
k(2)
DMI
5V
ET
Sharp T
U
NER
R
T
U
N
QA
0
7
3
W
J
QZ
P501
RS2
3
2
Circuit
Sharp T
U
NER
RT
UNQ
A
075
W
J
Q
Z
4 pi
n
(Ex
ternal
L
E
D
/R
C
)
GND RC
data(4)
clk(2)
I2C(HDM I
HP D0_I N/D 5V
data(4)
clk(2)
I2C(HDM I
HP D1_IN /D5V
data(4 )
clk(2)
I2C(H DMI
HP D2_IN /D5V
HL_ CA LE_D ET
R
T
U
N
QA
0
7
3
W
J
QZ
I2C
IF+/IF-
P501
7 pin
(Ex
ternal
Hot
e
l)
IR
Pass
thoug
ht
RS232 cir
cuit
RT
UNQ
A
075
W
J
Q
Z
IF+/IF -
IR PASS 5
V
/POW ER
HP D0
HP D1
HP D2
MHL_ C
I2C
IF
IF+
I2C
KE Y1/ 2/POW
Ex
ternal
R
e
mo
te
and
LED
unit
T
E
RM
INA
L
3V3_
IR
GND
KE
C
E
C
IN
HD
M
I IN
1
HD
M
I DDC1
HD
MI
I
N
2
HD
M
I DDC
2
HD
MI
I
N
3
HD
M
I DDC
3
B
uil
t-in D
emodulator
RC/L
E
D
GND RE
M
OT
E
LED
G
IR
IN
C
E
C
IN
HD
M
I IN
1
HD
M
I DDC1
HD
MI
I
N
2
HD
M
I DDC2
HD
MI
I
N
3
HD
MI
DDC3
B
uil
t-
in D
emodulator
P
3301
5 pi
n
(E
xt
e
rnal
LE
D
/R
C
)
RC/L
E
D
LE
D
Gr
een
/
R
ed
IR
R
eciev
e
r
LED
_G
REM
OT
LED_
G
LED_
R
P
C
DD
C
S
C
502
P
C
D
S
U
B
15pi
n
P
C
(R
GB
)
V
D
H
D
P
NL
S
T
B
IR
IN
5 pi
n
(E
xt
e
rnal
LE
D
/R
C
)
LE
D
Gr
een
/
R
ed
IR
R
eciev
e
r
LED
_R
LED
_G
L/R
P
C
DD
C
P
C
D
S
U
B
15pi
n
V
D
OFL
ERR
O
R
P
NL
ST
B
J502
J506
P
C
A
udio
Y
/Pb/P
r
CVBS and Aud
io
L
/R
OFL
J502
C
omp A
udio IN
J502
C
VBS
/C
O
MP
IN
C
VBS
C
O
MP
A
UDI
O
L
/R
J502
C
omp A
udio IN
A
UDI
O
U
SB_D
P
1/
DN
1
POW
ER
J501
U
SB I
N
U
SB
IF
J502
M
on L/R
OU
T
M
on A
mp ci
rcuit
Moni
tor A
udio
U
SB I
N
LE
D
D
riv
er
OFL
ERROR
P
NL
S
T
B
H
P
Dt
J504
H
P
J502
M
on L/R
OU
T
M
on A
mp ci
rcuit
H
P
A
m
p ci
rcui
t
H
P
A
udio out
Moni
tor A
udio
39
"
po
w
er
uni
t(
RDE
NC
A470WJ
PZ
)
LE
D
D
riv
er
OFL
ERROR
PS_ON(
6
0
" a
n
d
7
0
")
H
P
D
et
H
P
SPD
IF
OU
T
D
516
SP
D
IF
O
U
T
39
"
po
w
er
uni
t(
RDE
NC
A470WJ
PZ)
32
" p
o
we
r
uni
t(
DUNT
KG
299FMxx
)
32LE355x
x
(
RDE
NC
A462WJ
PZ
)
4
0
" Pow
e
r
it(
RUN
T
KA95
9W
J
Q
Z
)
_(
7
0
")
SPD
IF
OU
T
D
516
SP
D
IF
O
U
T
32LE355
x
x
(
RDENC
A462
WJ
PZ)
4
0
" Pow
e
r
u
n
it(
RUNT
KA95
9
WJ
Q
Z
)
6
0
" Pow
e
r Un
it(
RUNT
K
B
0
5
7
WJ
Q
Z
70"P
ow
er
U
nit(
RUN
T
KB058
W
J
N
1)
P
9602
16
p
in
":
12
V
IC3301 (
M
STAR)
R
IXD
599W
J
Q
ZQ(
F
D
1d
)
70"P
ow
er
U
nit(
RUN
T
KB058
W
J
N
1)
P
9602
16
p
in
":
12
V
T
S
S
C
4401
C
I +
*Fo
r D2
m
odel on
ly
IC3301 (
M
STAR)
R
H
-I
XD
599W
J
Q
ZQ(
For
D
1
model)
R
H
-I
XD
619W
J
QZQ(
For
D
2
model)
T
S
S
C
4401
C
I +
(
)
1
2
V
Pan
e
l p
ow
e
r
d
a
ta
A(
8
)
clk
A
(2
)
Pan
e
l
3
2
: W
X
GA
3
9
/4
0
:F
Ull HD
LV
D
S
(8bit)
Pan
e
l p
ow
e
r
clk
A
(2
)
d
a
ta
A
(8
)
IC3
8
0
4
SD
IC
S
C
3801
clk
A
(2
)
da
ta
A
(8
)
d
a
ta
A(
8
)
clk
A
(2
)
da
ta
B
(8
)
clk
B
(2
)
3
2
: W
X
GA
3
9
/4
0
:F
Ull
H
D
6
0
:
F
UL
L
HD
Do
u
b
le
sca
n
R1
lk6
0
0
D3GV0
DF
LV
D
S
(8bit)
LV
D
S
(8bit
)
clk
A
(2
)
d
a
ta
B
(8)
clk
B
(2
)
d
a
ta
A
(8
)
IC3
8
0
4
SD
IC
RH-
IX
D5
6
5
W
JZZQ
C
S
C
3801
41 p
in
clk
A
(2
)
da
ta
B(
8
)
clk
B
(2
)
da
ta
A
(8
)
da
ta
B
(8
)
clk
B
(2
)
Do
u
b
le
sc
a
n
R
1
lk6
0
0
D3GV0
DF
7
0
"F
u
ll HD
Do
u
b
le
S
can
(R
1
JE
69
5
D3
GW
80
X
)
LV
D
S
(8bit
)
d
a
ta
B
(8)
clk
B
(2
)
IX
D5
6
5
W
JZZQ
C
da
ta
B(
8
)
clk
B
(2
)
7
0F
u
ll HD
Dou
b
le
Scan
(R
1
JE69
5
D3
GW
8
0
X
)
X
IN/
X
O
U
T
X
3810
X
T
A
L(
27
MH
z)
()
X
IN/X
O
UT
A
UD
IO_
O
U
T
SPI
I
/F
DRAM
I
F
X
IN/
X
O
U
T
X
3301
X
T
A
L(
24
.0M
H
z
)
SPI
I
/F
E
A
UD
IO_
O
U
T
SPI
SPI
I
/F
DRAM
I
F
LK
SD
TB Y
X
3301
X
T
A
L(
24
.0M
H
z
)
LK
LK
SPI
I
/F SPI
SP _ MU TE
SPI
I2S_M CLK
I2S_ SD
SP_ ST BY
IC3
50
2
Hy
n
ix
DDR3
1
Gb
I2S_S CLK
I2S_LC LK
SPI
SP _ M
IC
3104
SP
I F
L
A
S
H
W
inbon
d
V
H
IW
25
Q
28F
V
-1Y
( Fo
r D
1
and
D
2 mode
l)
I2S
SP
IC3
50
2
Hy
n
ix
DDR3
1
Gb
RH-
IX
D58
1
WJ
Q
Z
Q
I2S
I2S
IC
3105
SPI
FL
A
S
H
E
ON
V
H
IE
N
25F10
G-
1
Y
( Fo
r D
2
mode
l only
)
IC
1702
Y
amaha
A
UD
IO A
MP
V
H
IY
D
A
176
D
L
-1Y
V
H
IW
25
Q28F
V
-1Y
( Fo
r D
1
and
D
2 mode
l)
SPI
FL
A
S
H
E
ON
V
H
IE
N
25F10
G-
1Y
( Fo
r D
2 mode
l
on
ly
)
MA
IN
IC
1702
Y
amaha
A
UD
IO A
MP
V
H
IY
D
A
176
D
L-
1
Y
SP_L
SP_R
4 pin
SP_
SP_
_L
_R
SP_L
SP_R
SP
R
SP
L
*
L
E155D1
/D2
mod
e
lS
p
eake
r
is
8
Ω5
W
SP
R
6
Ω
1
0
W
SP
L
6
Ω
1
0
W
* LE155D1
/D2
mod
e
l Sp
eake
r is 8
Ω 5
W
BLOCK DIAGRAM