Sony KD-43X8300C Service Manual ▷ View online
TROUBLE SHOOTING
3-9. NETWORK MALFUNCTION
1) Ethernet (Wired)
[Network Set-up]
>[Wired Set-up]
on the TV
Connection Results
Cable Connection
OK
Connection Results
Local Access
Connection Results
Internet Access
OK
B board
OK
Proxy setting
Failed
Failed
Failed
Wired Set-up
Auto
Check
Local router
Check cable
B board
OK
IP address setting
Local router
DHCP server
Manual
Check cable
B board
NG
Ethernet Cable
Check IP address
&
Local router setting
113
TROUBLE SHOOTING
2) Internal Wireless Network malfunction
Wireless Network
on the TV
Is the radio field
Strength too weak
or even No signal?
or even No signal?
Bxx Board
Error Message appear
when the Wireless
Network is selected?
No
Yes
No
Yes
Access Point
Yes
Yes
Change WiFi module
NG
OK
From previous page
WiFi module
NG
OK
Check harness
connection is OK
connection is OK
Loose harness
Connect properly
connection is OK
between WiFi and Bxx
between WiFi and Bxx
Loose harness
OK
Connect properly
Change
Wi Fi
Wi Fi
d l
NG
NG
Change Bxx board
NG
Change harness
between Bxx board
between Bxx board
Wi-Fi module
Change Bxx board
Wi-Fi module
OK
If Wi-Fi malfunction happens,
•
•
Wi-Fi module
•
Harness between WiFi
and Bxx
B
and Bxx
B
b
d
and WiFi
Main Harness
OK
114
•
Bxx board
are suspected.
TROUBLE SHOOTING
3) Bluetooth malfunction
Touch pad Remote doesn’t work
Or
3D-glasses (Active) doesn’t work
Or
Bluetooth Speaker/Headphone/Headset doesn’t work
Please refer
Touch pad Remote manual
3D-glasses (Active) manual
Or
Bluetooth Speaker/Headphone/Headset operation manual
Home > Settings >
Bluetooth Settings
Bluetooth Settings
Can read
Near discoverable
Near discoverable
NG
Check BT antenna
Connection is OK
Connection is OK
NG
OK
OK
Bluetooth Device
NG
Connect properly
NG
OK
Loose BT antenna
connection
NG
else
OK
Check harness
connection is OK
between BT and Bxx
connection is OK
between BT and Bxx
Loose harness
NG
OK
Connect properly
NG
Change BT module
NG
Change Bxx board
OK
Change harness
Between Bxx board
and BT
Between Bxx board
and BT
OK
NG
BT module
Main Harness
115
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
Ether
Tu
P
a
eMMC
ECS
LOG
LOG
TEMP
Sensor
I2C
(Audio)
(Audio)
I2C(panel)
Tuner
IC card
a
ck
Vx1 x8
Vx1 x4
LD
SoC
SoC
LD
DDR3
2Gb
2Gb
Vx1 x16
I2C(Backlight)
I2C(Backlight,Panel)
HDMI1
HDMI2
/MHL
HDMI3
HDMI EQ
Composite2/Component
Main SoC
Sub SoC
UART(4KBE
Communication)
Communication)
(
g )
AudioAMP
AudioAMP
AudioAMP
AudioAMP
(
g ,
)
HDMI4
I2C
(Audio)
(Audio)
CVBS Jack
DVI/HDMI3
Audio in
AudioAMP
AudioAMP
AudioAMP
AudioAMP
USB3.0
USB2.0
USB2.0
Opt.Out
WIFI/BT
HP/Line out
SmarCore
Key-pad
116
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