Sony KDL-40NX800 / KDL-40NX803 / KDL-40NX805 / KDL-52NX800 / KDL-52NX803 / KDL-52NX805 Service Manual ▷ View online
KDL-40/52NX800Series(AEP/UK)
33
TROUBLE SHOOTING
2) IR remote commander malfunction
TV isn’t controlled
by remote commander
Green LED light
at power indicator
OK
NG
Sensor is broken
HLR Board
B* Board
OK
NG
Mechanical
(ex. bezel)
Green LED blinks
at power indicator
when using commander
near sensor’s window
Check the Harness
between the B* Board
and the HLR Board
Exchange the Harness
Exchange the
HLR Board
Harness
OK
NG
OK
OK
NG
NG
KDL-40/52NX800Series(AEP/UK)
34
TROUBLE SHOOTING
3-8. NETWORK MALFUNCTION
1) Wired Network malfunction
Wired Network
on the TV
Connection result
Local Access
Ether net cable
Connection result
Cable Connection
B* Board
OK
NG
OK
NG
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?
Access Point
B* Board
Error Message appear
when the Wireless
Network is selected?
Wireless Module, Harness
NO
YES
NO
YES
Connection result
Internet Access
Proxy setting
NG
KDL-40/52NX800Series(AEP/UK)
35
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
KDL-40/52NX800Series(AEP/UK)
36
DIAGRAMS
4-2. CIRCUIT BOARDS LOCATION
(1) KDL-40NX800
BEHS Board
Speaker (L)
HLR Board
Speaker (R)
Switch Unit
GE3 Board
T-CON
WIRELESS
LAN CARD
LAN CARD
KEY CONTROL
MODULE
Power Switch
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