DOWNLOAD Sony KDL-40NX720 / KDL-46NX720 / KDL-55NX720 / KDL-60NX720 (serv.man5) Service Manual ↓ Size: 29.14 MB | Pages: 127 in PDF or view online for FREE

Model
KDL-40NX720 KDL-46NX720 KDL-55NX720 KDL-60NX720 (serv.man5)
Pages
127
Size
29.14 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40nx720-kdl-46nx720-kdl-55nx720-kdl-60nx720-sm.pdf
Date
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Sony KDL-40NX720 / KDL-46NX720 / KDL-55NX720 / KDL-60NX720 (serv.man5) Service Manual ▷ View online

KDL-40/46/55/60NX720(K)
109
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-40/46/55/60NX720(K)
110
TROUBLE SHOOTING
3-8. NETWORK MALFUNCTION
1) Wired Network malfunction
Wired Network
on the TV
Connection result
Local Access
Connection result
Cable Connection
OK
NG
OK
NG
Connection result
Internet Access
Proxy setting
NG
B* Board
Check the Ethernet Cable
Ethernet Cable
Check IP address
and Local router setting
Wired Set-up
IP address setting
Check Local router DHCP server
Auto
Manual
OK
NG
KDL-40/46/55/60NX720(K)
111
TROUBLE SHOOTING
2) USB Wireless Network malfunction
Wireless Network
on the TV
Is the radio field 
Strength too weak
or even No signal?
Access Point
B* Board
Error Message appear
when the Wireless 
Network is selected?
USB Dongle
NO
YES
NO
YES
3) Internal Wireless Network malfunction
Wireless Network
on the TV
Is the radio field 
Strength too weak
or even No signal?
Access Point
B* Board
Error Message appear
when the Wireless 
Network is selected?
Wireless Module, Harness
NO
YES
NO
YES
KDL-40/46/55/60NX720(K)
112
3-9. CAMERA MALFUNCTION
TROUBLE SHOOTING
Enter Presence 
sensor settings
Error Message appear
when the Presences 
Sensor setting?
Module optical problem
(change module)
Module, Harness
Is image is clear on
setting menu 
at module unit only?
Mechanical
Problem
Yes
No
Presence Sensor Setting:
Press HOME, then select > System Settings > Eco > Presence 
Sensor
Yes
No
Error message
image
Setting Menu
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