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Joined: Aug 2016
Posts: 10
Harmless
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Harmless
Joined: Aug 2016
Posts: 10 |
Turned on my G68 tonight and… nothing… well, the blue led behind the buttons flashed for a second then died. Tried a different power cable, tried unplugging etc. Just a teasing second of blue… searched but could not find any similar issues… but could have missed something.
It’s connected to DSP5000s and DSP33s. Fed from a UHD722.
Any ideas for things to try?
Thanks.
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Joined: Apr 2004
Posts: 885 Likes: 56
Pan-dimensional being
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Pan-dimensional being
Joined: Apr 2004
Posts: 885 Likes: 56 |
Have a read here: G68 Power supplies: G68 Power supply failures - Please reportIf you search around, you will see some other threads as well. A likely candidate is that the power supply has failed.
Theater: 861v4_LPS, 818v3, HD621, Oppo 203, Lumagen Pro, DSP8000SE, DSP5500C, SW1600x2, DSP5500, Epson 6040UB, PS4
Living room: 861v4_LPS, HD621, DSP8000SE, DSP5200C, Oppo 203, Lumagen 2143, 818v3, Sooloos/MC600 Bluesound Node
Bedroom: M80
office: G68D, DSP6000
Garage: DSP5000
Storage: M33s, DSP33s, DSP5k, 501, 518, M1500, G98DH, SW1600
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Joined: Dec 2009
Posts: 578 Likes: 12
Paranoid android
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Paranoid android
Joined: Dec 2009
Posts: 578 Likes: 12 |
Good morning
Suggest you do not turn on and off, sounds like a classic PSU failure to me. You can do additional damage, some of which is either very expensive or irreparable.
I can recommend that you contact Steve (swpnt) and organise new PSU and recap. Well worth the money.
Cheers
Jon
Owner since 1996 - 501, 506 and M60.2 Rosewood - Thanks Gerry
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Joined: Aug 2001
Posts: 1,703 Likes: 4
Knows where his towel is
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Knows where his towel is
Joined: Aug 2001
Posts: 1,703 Likes: 4 |
Yes, almost certainly the PSU. As per above, either MrTechGuy (as you are in Suffolk) or swpnt will sort you out.
Malcolm
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Joined: Aug 2016
Posts: 10
Harmless
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Harmless
Joined: Aug 2016
Posts: 10 |
Fantastic, thanks for all the pointers everyone... I could hear the fan still going, even though there was no front lights, which is why I didn't think PSU. I assume there's enough power coming from the PSU to feed that but insufficient for the main boards? Anyway, permanently off now... I'll call the experts in the morning... I'm fairly handy, so could easily swap the PSU if that's the main culprit. Not so sure I'd want to tackle the capacitors. Just read TN32... not sure I really want to do that... Cheers.
Last edited by MrBov; 2021-08-02 16:04.
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Joined: May 2005
Posts: 824 Likes: 161
Paranoid android
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Paranoid android
Joined: May 2005
Posts: 824 Likes: 161 |
Hi,
Whilst it's fairly easy to change the PSU, that will only be a temporary fix unless the capacitors on the backplane are changed. They will probably be bulging by now and have very low ESR, causing extra load on the PSU.
Feel free to drop me a PM or contact MrTechGuy (as he's closer to you) and you can get the unit sorted out.
PSU's are fairly cheap (around £50) but changing the capacitors requires stripping the unit right down to get the backplane out - certainly not something for the feint hearted!
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.
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