KDL-40NX800, KDL-52NX800, KDL-60NX800 - Sony TV Service Manual (repair manual). Page 32

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KDL-40/52/60NX800(HK/GA)
32
3-7. TV COMMANDER BUTTONS MALFUNCTION
TROUBLE SHOOTING
1) TV button malfunction
Button malfunction
on the TV
B* to Switch Unit
harness check
Switch Unit
Harness
Switch Unit change
B* Board
OK
NG
OK
NG
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