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#322225 2026-07-21 08:48
Joined: Nov 2022
Posts: 195
Likes: 45
Hitchhiker
Hitchhiker
Joined: Nov 2022
Posts: 195
Likes: 45
I've noticed on two occasions recently that whilst playing blu-rays with the displays dimmed, a single LED in the master 8k flashes briefly. I've not noticed this with either CD or streaming input which bypasses the 861.

I noted that this also happened last year a couple of times too. Initially, I put it down to temperature but apparently that creates a green light as a warning the speaker could be overheating.

I seem to remember that a speaker could be clipping on high frequency sounds but as it is digital that does not make sense. There is no mention in troubleshooting to explain this behaviour. Any thoughts of what may be causing the flashing?

Thanks

Last edited by IanP; 2026-07-21 08:50.

DSP8000USE, DSP5200HC, DSP33, DSW1500, 808v5, 861v4, WiiM Pro+, Panasonic 55" Plasma, DMP-BDT700 Blu-ray,
MECOOL MEon1, Russ Andrews Signature Power Block, UltraFuses, SuperFuses, Kimber Signature PS Interfaces.
Prior: DSP7000.2, DSP6000.2, DSP5000.2, DSP5000.2HC, 508.24, 568.2, 596, G98DH & G68D.
Jaguar F-Type; Meridian 770W Surround System
Joined: May 2005
Posts: 824
Likes: 161
Paranoid android
Paranoid android
Joined: May 2005
Posts: 824
Likes: 161
Hi Ian,

What colour is the light, and where is it located?

Each light has a specific meaning, and knowing which one is flickering will help diagnose the issue.

Cheers,

Steve


Main: 861v6 (LPS), 808v6, UHD722, DSP8000SE Anniversaries, DSP5200HC, DSP7200.2, SW1600, Sky Q, Cambridge Audio BD, Roon, M80
Office: 861v4 (LPS), 818v3, 800v4, HD621, M&K S150P, DSP5500HC, M&K MPS2810 sub x2
Son's system: 861v4, HD621, DSP6000.2, DSP5k.2C, DSP33, F80
Spare: MCD, 100 Series, 200 Series, 500 Series, C15s.
Joined: Nov 2022
Posts: 195
Likes: 45
Hitchhiker
Hitchhiker
Joined: Nov 2022
Posts: 195
Likes: 45
Hi Steve, it looks like it is orange and is the same size as the green standby light and in the main dot-matrix display. Not one of the rectangular lights. It is a flash rather than a flickering.


DSP8000USE, DSP5200HC, DSP33, DSW1500, 808v5, 861v4, WiiM Pro+, Panasonic 55" Plasma, DMP-BDT700 Blu-ray,
MECOOL MEon1, Russ Andrews Signature Power Block, UltraFuses, SuperFuses, Kimber Signature PS Interfaces.
Prior: DSP7000.2, DSP6000.2, DSP5000.2, DSP5000.2HC, 508.24, 568.2, 596, G98DH & G68D.
Jaguar F-Type; Meridian 770W Surround System
Joined: May 2005
Posts: 824
Likes: 161
Paranoid android
Paranoid android
Joined: May 2005
Posts: 824
Likes: 161
Hi Ian,

It's probably the digital 'clipping' light (which should be yellow).

This can occur when the recording engineer has exceeded 0dB within the digital domain.

If it only happens on certain tracks, then it's probably nothing to worry about.

Hope that helps.

Cheers,

Steve


Main: 861v6 (LPS), 808v6, UHD722, DSP8000SE Anniversaries, DSP5200HC, DSP7200.2, SW1600, Sky Q, Cambridge Audio BD, Roon, M80
Office: 861v4 (LPS), 818v3, 800v4, HD621, M&K S150P, DSP5500HC, M&K MPS2810 sub x2
Son's system: 861v4, HD621, DSP6000.2, DSP5k.2C, DSP33, F80
Spare: MCD, 100 Series, 200 Series, 500 Series, C15s.
1 member likes this: IanP

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