Samsung GQ49Q8 Series, Service Manual, Page: 36 / 82

4-4. Audio
•
Source
>
Main Board/T-Con
>
Speakers
„
AUDIO TEST
• No TV Sound
9
Menu > Audio > Speaker Settings set to TV Speaker
• Noisy / Distorted TV Audio
9
Customer Menu > Support > Sound Test
-
If Sound Test FAILS : (Missing / Noisy Audio)
9
Speakers (compare resistance/quality)
• Compare audio level out to speakers with multi meter.
9
Replace defective Speakers or Main Board or Ca
-
If Sound Test OK :
9
Audio Source & External Cables
9
With external Audio Generator (device or App)
9
Other Inputs
• Optical Digital Out Errors
9
Red light from Optical Digital Out.
• If missing replace Main Board
• No HDMI Audio
9
Source / HDMI Cable
• Swap with other HDMI Inputs/Sources
• Perform EDID Write in Factory Mode (Can restore missing HDMI Audio).
9
Bulletins and Latest firmware on TV
• If not restored replace main board
• Check Audio Format PCM/Dolby based on external Receiver
• ARC Issues
9
HDMI Cable is input to the ARC Designated HDMI port
9
ARC (HDMI Control) is enabled on the external Receiver.
• Bluetooth Audio “Sound Share” Connection Issues
9
Sound Bar is in TV Mode
• To Connect, Press & Hold Play Button until Sound Bar pairing mode begins.
4-9
4. Troubleshooting