Sony KDL-70X4500 / KLV-70X450A Service Manual ▷ View online
KLV-70X450A (E), KDL-70X4500 (NZ, ES) 2-11
No Picture
Power-ON_LED
Light
STBY_3.3V
OK?
G8 board has problem.
Change G8 board.
Change G8 board.
No
No
Yes
Yes
STBY_LED
Blinking?
Yes
2 times
blinking
blinking
6 times
blinking
blinking
Yes
Yes
No
No
Signal board has problem.
Check signal-board.
Check signal-board.
G8 board has problem.
Change G8 board.
Change G8 board.
No
Signal board has problem.
Check signal-board.
Check signal-board.
AC_OFF_DET
more than 3V
Yes
G8 board has problem.
Change G8 board.
Change G8 board.
No
G8 board
CN6402 9pin
more than 3V
Yes
Signal board has problem.
Check signal-board.
Check signal-board.
No
G8 board has problem.
Change G8 board.
Change G8 board.
G8 board
CN6402 1-4pin
=12
±
1V
Signal board has problem.
Check A* board.
Check A* board.
Yes
No
to
G9 board check
G9 board check
Power-ON
* : AAS Board = KDL-70X4500
AGA Board = KLV-70X450A
AGA Board = KLV-70X450A
F2 board
F6000, F6001
FUSE CHECK
Yes
F2 board has problem.
Change F2 board.
Change F2 board.
No
2-8. NO PICTURE
KLV-70X450A (E), KDL-70X4500 (NZ, ES) 2-12E
G9 Board check
CN800/CN6803 1pin
REG24V
24
±
2.0V
No
Signal board has problem.
Check signal-board.
Check signal-board.
CN6800 12pin
INV_ON
more than 3V
No
G9 board has problem.
Change G9 board.
Change G9 board.
Inverter or balance has problem.
Check Panel.
Check Panel.
Yes
Yes
KLV-70X450A (E), KDL-70X4500 (NZ, ES) 3-1
SECTION 3
DIAGRAMS
Aerial/Cable
Video2
Comp2
Audio-In DVI
PC Audio-In
VIDEO1
VIDEO3
DMPORT
Audio Out
HP Out
HDMI1
HDMI2
HDMI3
HDMI4
Comp1
Power SW
Key
IR
LED
SONY Logo
Analogue
Tuner
MSP3417
BASI
CXA3767
Audio
DSP
TAS3308
Video SW
CXA2240
EMMA3SL
HDMI EQ/SW
CXB1446
Sub Chroma
SAA7115A
Kaiser
MB91305
BEM
DRC V3
CVBS / YC
L/R
CVBS (Mon OUT)
L/R (Mon OUT)
CVBS
L/R
YCbCr
L/R
YCbCr
L/R
CVBS
L/R(diff)
UART
L/R
L/R
L/R
SEL
O
U
T
LO
HP
Touch
Panel
USB
NAND
512Mb
PC In
DDC
CEC
TMDS
DDC
CEC
TMDS
DDC
CEC
TMDS
DDC
CEC
TMDS
PHY
DDR2
512Mbx2
YCbCr/RGB
CVBS/YC(M)
CVBS/YC(S)
TMDS
DDC
DDR2
256Mbx2
DDR2
128Mbx3
SDR
64Mb
Flash
32Mb
32Mb
IIC
Flash
RTC
IIC
IIC
IIC
IIC
IIC
IIC
IIC
MS (JIG)
UART
UART
UART
AGA
FBA
Amp
NVM
SI
RCS
Amp
IIC
SP
DAC
I2S
QSS
L/R
CVBS
SPI
Mon Out
IIC
SW
IIC
I2S 2ch
SW
L
WL
R
WR
S-Mini
S-Mini
Companion
Sil19151
HDMI Rx
v1.3
BUS
SW
H/V/CK (for GPX)
REC656 (for teletext)
REC656 (for teletext)
GPX ARGB888 H/V/CK
EPP
CCP-XA
core
BUS
SW
BUS
SW
BUS
SW
IFP
core
RCP
LVDS
DRC v1
Ether
K2
NVM
FRAM
2Kb
SW
IIC
ADC
TH7984
Cayenne-S
DDR2
128Mbx2
FPGA
T-CON
FHD HFR CCFL
70”
NVM
NVM
CF1
CEC
DLY
3-1.
BLOCK DIAGRAM
1)
KLV-70X450A
KLV-70X450A (E), KDL-70X4500 (NZ, ES) 3-2
Aerial/Cable
Video2
Comp2
Audio-In DVI
PC Audio-In
VIDEO1
VIDEO3
DMPORT
Audio Out
Opt. Out
HP Out
HDMI1
HDMI2
HDMI3
HDMI4
Comp1
Power SW
Key
IR
LED
SONY Logo
UFE4
Tuner
Tuner
MSP3417
BASI
CXA3767
Audio
DSP
TAS3308
Video SW
CXA2240
EMMA3SL
HDMI EQ/SW
CXB1446
Sub Chroma
SAA7115A
Kaiser
MB91305
BEM
DRC V3
CVBS / YC
L/R
CVBS (Mon OUT)
L/R (Mon OUT)
CVBS
L/R
YCbCr
L/R
YCbCr
L/R
CVBS
L/R(diff)
UART
L/R
SPDIF
L/R
L/R
SEL
O
U
T
LO
HP
Touch
Panel
USB
NAND
512Mb
PC In
DDC
CEC
TMDS
DDC
CEC
TMDS
DDC
CEC
TMDS
DDC
CEC
TMDS
DAC
PHY
DDR2
512Mbx2
YCbCr/RGB
CVBS/YC(M)
CVBS/YC(S)
TMDS
DDC
DDR2
256Mbx2
DDR2
128Mbx3
SDR
64Mb
Flash
32Mb
32Mb
IIC
Flash
RTC
IIC
IIC
IIC
IIC
IIC
IIC
IIC
MS (JIG)
UART
UART
UART
SPDIF
AAS
FBA
Amp
SW
UART
NVM
SI
RCS
Amp
IIC
SP
DAC
I2S
QSS
TS
IIC
L/R
CVBS
SPI
YC
L/R
Mon Out
SW
IIC
SW
IIC
I2S 2ch
SW
I2S 2ch/5.1ch
L
WL
R
WR
S-Mini
S-Mini
Companion
Sil19151
HDMI Rx
v1.3
BUS
SW
H/V/CK (for GPX)
REC656 (for teletext)
REC656 (for teletext)
GPX ARGB888 H/V/CK
YCbCr16bit H/V/CK
EPP
CCP-XA
core
BUS
SW
BUS
SW
BUS
SW
IFP
core
RCP
LVDS
DRC v1
Ether
RF RC
K2
NVM
FRAM
2Kb
SW
IIC
ADC
TH7984
Cayenne-S
DDR2
128Mbx2
FPGA
T-CON
FHD HFR CCFL
70”
NVM
NVM
CF1
CEC
DLY
2)
KDL-70X4500
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