Audio - Samsung HG43NT678UF Service Manual

4-4. Audio

• Source Main Board
£
„ Source
• The picture is good but there is no sound.
Set Sound Output to TV Speaker.
9
→
Settings
£
• The speakers are making an odd sound.
Run Sound Test.
9
→
Settings
£
• If Sound Test Fails (Missing/Noisy Audio)
Speakers (compare resistance/quality)
9
Main Board /Connector/Cable
9
With external Audio Generator (device or App)
9
Compare audio level out to speakers with multi meter.
9
→
Replace defective Speakers or Main Board or Cable
• If Sound Test OK
Audio Source & External Cables
9
Other Inputs
9
• Optical Digital Out Errors
Red light from Optical Digital Out.
9
→
If missing replace Main Board
„ Main Board
• No HDMI Audio
Source / HDMI Cable
9
→
Swap with other HDMI Inputs/Sources.
→
Perform EDID Write in Factory Mode (Can restore missing HDMI Audio).
Bulletins and Latest firmware on TV.
9
→
If not restored replace Main Board
→
Check Audio Format PCM/Dolby based on external Receiver
• ARC Issues
HDMI Cable is input to the ARC Designated HDMI port.
9
ARC (HDMI Control) is enabled on the external Receiver.
9
• Bluetooth Audio "Sound Share" Connection Issues
Sound Bar is in TV Mode.
9
→
To Connect, Press & Hold Play Button until Sound Bar pairing mode begins.
Speakers
£
Sound Sound Output
£ £
Support Self Diagnosis
£ £
Start Sound Test
£
4. Troubleshooting
4-17