Sony XBR-55X850D Service Manual page 60

FLOW
8. NETWORK MALFUNCTION
(1) Ethernet (Wired)
[Network Set-up]
>[Wired Set-up]
on the TV
Connection Results
Cable Connection
Failed
Check cable
NG
Ethernet Cable
B Board
CHK1
Any scratches
along
TX+/-, RX+/-
lines?
YES
Change B-board
XBR-55X850D/857D, 65X850D/855D/857D, 75X850D
OK
Connection Results
Local Access
Failed
OK
B board Wired Set-up
CN8003
IP address setting
Manual
Check IP address
&
Local router setting
CHK2
Check Ethernet
NO
OK
Connector pins
Soldering
CN8003
NG
Change
Ethernet Connector
OK
Connection Results
Failed
Auto
Check
Local router
DHCP server
CHK3 CHK4
Check
OK
Check CMF
Pulse Transformer
Soldering
soldering
L8000
T8001,T8002
NG
NG
Change Pulse Trans Change CMF
OK
B board
Internet Access
Proxy setting
OK
IC1000 problem.
Change B-board
TROUBLE SHOOTING
60