Sony KDL-32CX520 / KDL-40CX520 Service Manual ▷ View online
KDL-32CX520/40CX520
36
SECTION 5 - FLOW CHARTS AND DIAGRAMS
Remote Commander
Buttons not working
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
FIGURE 5-13. IR MALFUCTIONING
KDL-32CX520/40CX520
37
SECTION 5 - FLOW CHARTS AND DIAGRAMS
NETWORK NOT CONNECTING
Wired Network
on the TV
Check
Local Access
Check
Cable Connection
OK
NG
OK
NG
Check
Internet Access
Proxy setting
NG
B* Board
Check 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
FIGURE 5-14. WIRELESS NETWORK MALFUCTIONING
KDL-32CX520/40CX520
38
SECTION 5 - FLOW CHARTS AND DIAGRAMS
Wireless Network
on the TV
Is the signal field
strength too weak
or is there No signal?
Access Point
B* Board
Error Message
displays when the
Wireless Network
is selected?
USB Dongle
NO
YES
NO
YES
FIGURE 5-15. USB DEVICE MALFUCTIONONG
KDL-32CX520/40CX520
39
SECTION 5 - FLOW CHARTS AND DIAGRAMS
SKYPE ACCESSORY NOT WORKING
Skype accessory
not working
USB plugged in?
Insert USB
Able to run
Skype App?
Spec. USB overload.
Connect to
a different
USB port
B* board
Insert another
Skype unit
or
USB dongle
Skype unit
B* board
Network connected?
Reset network
Yes
No
Yes
No
No
OK
NG
OK
NG
OK
NG
Next page
Yes
-Unplug another
USB device
-AC OFF/ON
FIGURE 5-16. SKYPE NOT WORKING PROPERLY (PAGE 1 OF 2)
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