Sony KD-65X8000C Service Manual page 66

TROUBLE SHOOTING
3-4-3. No Sound : MHL
No Sound
NG
Check the picture Refer to MHL NO PICTURE
OK
OK
Check Sound by other TV set
Refer to No Sound Audio
which is same model
NG
Check Source equipment
OK
by Reference TV set
Change B-Board.
(For example, Samsung TV(UN46ES7000),
Toshiba TV(42WL863), RB1 or RB2)
NG
Check the settings of
Source equipment
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KD-65X8000C(CH)