Sony KDL-43W755C / KDL-43W756C / KDL-43W800C / KDL-43W805C / KDL-43W807C / KDL-43W808C / KDL-43W809C / KDL-50W755C / KDL-50W756C / KDL-50W800C / KDL-50W805C / KDL-50W807C / KDL-50W808C / KDL-50W809C / KDL-55W755C / KDL-55W756C / KDL-55W800C / KDL-55W805C / KDL Service Manual ▷ View online
R1124
R1062
69
BMX > A-SIDE
Voltage check IR Muffin Pin
Backlight doesn’t change
when ambient lighting
level changed
when ambient lighting
level changed
Check UI setting for light
Sensor. Make sure it is “on”
Sensor. Make sure it is “on”
Change the UI setting
to “ON”
OK
Harness on H-board and
B* Board properly connected
Harness connection
issue
NG
User did not activate light
sensor function
OK
Change
H-B* board Harness
NG
OK
Change Smart Core
OK
NG
NG
H-B* board harness
issue
Smart Core issue
B*Board
Check parts value :
0 ohm < R1061 < 2 ohm
NG
Change B*Board
Muffin IC1000 problem
OK
Opt_sens Muffin Pin
Check voltage changing from
room light to dark condition
OK
NG
Part broken issue
3-7. Light Sensor Error
70
Troubleshooting
R1061
71
BMX > A-SIDE
Voltage check Opt_Sensor
Muffin Pin
3-8.Network Malfunction: Ethernet (Wired)
[Network Set-up]
>[Wired Set-up]
on the TV
Ethernet Cable
Connection Results
Cable Connection
Proxy setting
OK
Connection Results
Local Access
Connection Results
Internet Access
Failed
OK
Failed
Failed
Wired Set-up
IP address setting
Auto Check Local router
DHCP server
Manual
Check IP address
& Local router setting
Check cable
B* board
OK
NG
B board
OK
72
Troubleshooting
Click on the first or last page to see other KDL-43W755C / KDL-43W756C / KDL-43W800C / KDL-43W805C / KDL-43W807C / KDL-43W808C / KDL-43W809C / KDL-50W755C / KDL-50W756C / KDL-50W800C / KDL-50W805C / KDL-50W807C / KDL-50W808C / KDL-50W809C / KDL-55W755C / KDL-55W756C / KDL-55W800C / KDL-55W805C / KDL service manuals if exist.