Sony KD-49X9 F Series Service Manual page 43

3.8 NO SOUND: HDMI1/2/3/4
No Sound
NG
Check the picture
OK
DVI
Check the mode
of Source equipment
HDMI
YES
Does this model have
Analog Audio In
(Stereo minijack)?
NO
Check Sound by other TV set
which is same model
NG
Is Distributor used ?
YES
Connect Source
equipment directly
Refer to 4.5 HDMI NO PICTURE
Does this model have
Analog Audio In
(Stereo minijack)?
"HDMI/DVI Audio Source"
setting is?
Auto or HDMI Audio
OK
NO
YES
Connect Stereo minijack cable between Source and the TV, and
Change "HDMI/DVI Audio Source" to Auto or Analog Audio In.
No
Change the mode of Source equipment to HDMI
Analog Audio In
Change "HDMI/DVI Audio Source" to Auto or HDMI Audio In
Refer to 3.0 No Sound Audio
Check Source equipment
by Reference TV set
(For example, RB2, RB1)
NG
Check the settings of
Source equipment
OK
Change B-Board.
And inform the designer of it
43