Sony KDL-46CX525 Service Manual ▷ View online
KDL-46CX525 36
SECTION 5 - FLOW CHARTS AND DIAGRAMS
NO SOUND
No Sound
Check the Speaker
Harness
Speaker Harness
Replace
the B* Board
B* Board
Speaker
OK
NG
NG
OK
Check the
“Speakers setting”
Change to
“TV Speaker”
“Audio System”
“TV Speakers”
FIGURE 5-10. AUDIO ERROR
KDL-46CX525 37
SECTION 5 - FLOW CHARTS AND DIAGRAMS
TV/REMOTE COMMANDER BUTTONS NOT WORKING
TV POWER
Button
not working
Replace the Harness
between B* to
Switch Unit
Switch Unit
Harness
Switch Unit change
B* Board
OK
NG
OK
NG
FIGURE 5-11. TV BUTTONS MALFUNCTIONING
KDL-46CX525 38
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 5-12. IR MALFUNCTIONING
KDL-46CX525 39
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 5-13. WIRELESS NETWORK MALFUNCTIONING
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