Home AV help center
Set up, tune and fix your home audio and video gear.
Brendel Electronics is a help center for people who already own the equipment: connecting HDMI ARC and eARC, getting surround sound working, picture and sound settings, and step-by-step fixes when something stops working, for any brand.
What we publish
Written for: People who already bought a TV, projector, soundbar or receiver and need it to work properly.
Setup guides
Connections, first-time setup and calibration basics, step by step.
Troubleshooting
No sound, no picture, lip-sync and connection problems, checked against each manufacturer's own manual.
HDMI bandwidth calculator
Check whether a cable, a port and a video format fit together before you blame the TV.
Latest guides
Troubleshooting
Projector shows no picture or a blurry image: how to fix it, step by stepWork through the checks that fix most projectors showing no signal or a soft image: power, input, HDMI cable, resolution, focus, keystone and the lens.
Troubleshooting
Subwoofer, center or surround speakers silent: how to fix a surround systemFind why a subwoofer, center or surround speaker stays quiet: the TV sending stereo, ARC limits, sound modes, speaker settings, cables and auto-standby.
Troubleshooting
Soundbar has no sound over HDMI ARC or eARC: how to fix it, step by stepWork through the checks that fix most silent HDMI ARC and eARC soundbars: the right port, HDMI-CEC, the TV's audio output, the cable and the audio format.
How we work
- Sources first. Every figure comes from the manufacturer's published information or from published reviews, and we link to them.
- No invented ratings. We only show a score when we can say where it comes from and how it was calculated.
- We do not sell products. Some manufacturers pay us to create content about their brands; those pieces say so at the top. More about how we work.