Sony A1E Series Service Manual page 33

FLOW
3-6. NO SOUND (HDMI)
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
NO
Is Distributor used ?
YES
Connect Source
equipment directly
XBR-55/65/77A1E
Refer to 4.4 NO PICTURE (HDMI)
YES
Does this model have
Analog Audio In
(Stereo minijack)?
No
Analog Audio In
"HDMI/DVI Audio Source"
setting is?
Auto or HDMI Audio
OK
Check Source equipment
by Reference TV set
(For example, RB2, RB1)
NG
Check the settings of
Source equipment
Connect Stereo minijack cable between Source and the TV, and
Change "HDMI/DVI Audio Source" to Auto or Analog Audio In.
Change the mode of Source equipment to HDMI
Change "HDMI/DVI Audio Source" to Auto or HDMI Audio In
Refer to No Sound Audio
OK
Change BKA board.
And inform the designer of it
TROUBLE SHOOTING
33