Sony KDL-70X4500 Service Manual ▷ View online
KDL-70X4500 (WB) 2-11
No Picture
Power-ON_LED
Light
STBY_3.3V
OK?
G8 board has problem.
Change G8 board.
No
No
Yes
Yes
STBY_LED
Blinking?
Yes
2 times
blinking
6 times
blinking
Yes
Yes
No
No
Signal board has problem.
Check signal-board.
G8 board has problem.
Change G8 board.
No
Signal board has problem.
Check signal-board.
AC_OFF_DET
more than 3V
Yes
G8 board has problem.
Change G8 board.
No
G8 board
CN6402 9pin
more than 3V
Yes
Signal board has problem.
Check signal-board.
No
G8 board has problem.
Change G8 board.
G8 board
CN6402 1-4pin
=12
±
1V
Signal board has problem.
Check ACW board.
Yes
No
to
G9 board check
Power-ON
F2 board
F6000, F6001
FUSE CHECK
Yes
F2 board has problem.
Change F2 board.
No
2-9.
NO PICTURE
KDL-70X4500 (WB) 2-12E
G9 Board check
CN800/CN6803 1pin
REG24V
24
±
2.0V
No
Signal board has problem.
Check signal-board.
CN6800 12pin
INV_ON
more than 3V
No
G9 board has problem.
Change G9 board.
Inverter or balance has problem.
Check Panel.
Yes
Yes
KDL-70X4500 (WB) 3-1
SECTION 3
DIAGRAMS
Vi
deo2
Co
m
p
2
A
udi
o-In D
V
I
PC Au
d
io
-I
n
VI
DEO
1
VI
DEO
3
DM
PORT
A
udi
o Out
Opt.
Ou
t
HP Ou
t
HD
M
I1
HD
M
I2
HD
M
I3
HD
M
I4
Co
m
p
1
Po
w
e
r S
W
Ke
y
IR
LE
D
SO
N
Y
L
ogo
WB
UF
E
BA
SI
CX
A
3
76
7
A
udi
o
DS
P
TA
S
3308
Vi
deo S
W
CX
A2
24
0
EM
M
A
3
S
L
HDM
I E
Q
/S
W
CX
B
1446
S
ub Chroma
SAA
7115A
Ka
ise
r
MB
913
05
BEM
DRC V
3
CVB
S
/ Y
C
L/
R
CVBS (
M
o
n
O
U
T
)
L/
R
(
M
on
O
U
T
)
CVBS
L/
R
YC
b
C
r
L/
R
YC
b
C
r
L/
R
CVBS
L/
R
(d
if
f)
UART
L/
R
SPDIF
L/
R
L/
R
SELO
UT
LO
HP
T
ouch
Pa
ne
l
USB
Et
he
r
NA
ND
512M
b
PC
In
DDC
CEC
TM
D
S
DDC
CEC
TM
D
S
DDC
CEC
TM
D
S
DDC
CEC
TM
D
S
DAC
PHY
DDR2
512M
b
x2
YC
b
C
r/
RGB
CVBS/Y
C
(M
)
CVBS/Y
C
(S
)
TM
D
S
DDC
DDR2
256M
b
x2
DDR2
128M
b
x3
SDR
64M
b
Fl
as
h
32M
b
IIC
Fl
as
h
RT
C
IIC
IIC
IIC
IIC
IIC
IIC
IIC
MS
(
J
IG)
UART
UART
UART
SPDIF
AC
W
FBA
Am
p
RF
RC
SW
UART
NVM
SIRCS
Am
p
IIC
SP
DAC
I2
S
TS
IIC
L/
R
CVBS
SPI
YC
L/
R
M
on Out
SW
IIC
SW
IIC
I2
S 2
c
h
SW
I2
S 2
c
h/
5.
1c
h
L
WL
R
WR
S-M
in
i
S-M
in
i
L/
R
Com
pani
on
S
il19151
HDMI Rx
v1.3
BUS
SW
H/
V/
CK (f
o
r GP
X
)
REC6
5
6
(f
o
r
te
le
tex
t)
GP
X
A
R
GB
8
8
8
H/
V
/CK
YC
b
C
r1
6bi
t H
/V
/C
K
EPP
CCP-X
A
cor
e
BU
S
SW
BU
S
SW
BU
S
SW
IF
P
cor
e
RCP
LV
D
S
DRC v1
K2
NVM
FR
A
M
2K
b
SW
IIC
ADC
TH
7984
Ca
y
e
nne-S
DDR2
128M
b
x2
FPG
A
T-C
O
N
F
HD HF
R
CCF
L
70”
NVM
NVM
CF1
Ae
ri
a
l
C
abl
e
CEC
DL
Y
3-1. BLOCK DIAGRAM
KDL-70X4500 (WB) 3-2E
3-2. CIRCUIT BOARDS LOCATION
H3VM board
H4 board
Touch sensor module
G9 board
G9 board
FBA board
G8 board
ACW board
F2 board
Illumination module
H1VM board
RF module
K2 board
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