No Sound (Hdmi) - RCA 50LB45RQ Service Manual

5,2 Audio Exceptions
5.2.3 No sound (HDMI)
1
Is the signal No _]]_1
source HDMI OK?
1
Unsupported signal, change
input signal of HDMI device
Yes
Check if the PC/AV
sound is normal
No
Refer to NO SOUND
Yes
<,_ Is the EDID(1) YeS>ill _
Upgraded firmware
Change U7or U8
or main board
Note (I): EDtD means Extended Display Identification Data
Version 1,0
18