Sony XR-55X90K Service Manual page 94

TROUBLESHOOTING
6.0 Network Malfunction: Ethernet (wired)
[Network Set-up]
>[Wired Set-up]
on the TV
OK
Connection Results
Cable Connection
Failed
OK
Check cable
NG
Ethernet Cable
Main Board
CHK1
Any scratches
NO
along
TX+/-, RX+/-
lines?
YES
Change Main board
Connection Results
Local Access
Failed
Wired Set-up
Main board
IP address setting
Manual
Check IP address
&
Local router setting
CHK3
CHK2
Check Ethernet Check
OK
Connector pins Pulse Transformer
soldering
Soldering
J2401 T2401,T2402
NG
NG
Change
Change Pulse Trans
Ethernet Connector
OK
Connection Results
Internet Access
Failed
Auto Check
Local router
DHCP server
CHK4
Check body
OK
OK
Appearance &
soldering
Zener Diode
D2402
NG
Change Zener Diode
OK
Main board
Proxy setting
CHK5
Check CMF OK
IC1000 problem.
Soldering
Change Main board
L2402 & L2403
NG
Change CMF
94
SYS SET