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#274449 - 2018-03-22 06:22 Re: G68 switching on & off? [Re: Laserblues2]
Registered: 2010-12-09
Posts: 3,301
Ratbert Offline
Hooloovoo
Ratbert Offline
Hooloovoo

Registered: 2010-12-09
Posts: 3,301
Loc: Europe
It is most likely the power supply as already discussed, have a read of this wiki document on G68 PSU replacement if it scares you then you need to find a friend or a repair shop to do it for you.


Always learn from the mistakes of others. You can never live long enough to make them all yourself.
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#274450 - 2018-03-22 07:40 Re: G68 switching on & off? [Re: Ratbert]
Registered: 2004-08-07
Posts: 7,420
Ian Offline
President of the Imperial Galactic Government
Ian Offline
President of the Imperial Galactic Government

Registered: 2004-08-07
Posts: 7,420
Loc: Surrey, England, UK
May also be worth getting connectors and cards checked that they are still seated properly. Wont be the first time that something previously working didn't after being transported.


Meridian owner since 1992
DSP5000 96/24, MC200, Prime & PSU, Focal Elear, Explorer 1 & 2, F80, 200/203 and various Sonos.
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#274452 - 2018-03-22 13:02 Re: G68 switching on & off? [Re: Ian]
Registered: 2015-03-16
Posts: 67
Laserblues2 Offline
Mostly harmless
Laserblues2 Offline
Mostly harmless

Registered: 2015-03-16
Posts: 67
Loc: Hong Kong / UK
Happy to get a friend to help - just wanted to show the guy I bought it from the issue so he doesn't think I'm just trying it on. Will try again tomorrow and just video whatever it does.

Will open it up and take a look smile

Thanks for the advice and help, sorry for lots of questions.


Newbie learning
G55 / G68 XXV / HD621 / Oppo 105D / MacBook running Roon
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#274794 - 2018-04-05 04:25 Re: G68 switching on & off? [Re: Laserblues2]
Registered: 2015-03-16
Posts: 67
Laserblues2 Offline
Mostly harmless
Laserblues2 Offline
Mostly harmless

Registered: 2015-03-16
Posts: 67
Loc: Hong Kong / UK
Massive thank you to SteveM! Managed to get the G68 up & running again last night!! Relieved to discover nothing else is damaged, thank you so much for your time & advice!


Newbie learning
G55 / G68 XXV / HD621 / Oppo 105D / MacBook running Roon
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#274795 - 2018-04-05 07:40 Re: G68 switching on & off? [Re: Laserblues2]
Registered: 2004-08-07
Posts: 7,420
Ian Offline
President of the Imperial Galactic Government
Ian Offline
President of the Imperial Galactic Government

Registered: 2004-08-07
Posts: 7,420
Loc: Surrey, England, UK
And the problem was? PSU?


Meridian owner since 1992
DSP5000 96/24, MC200, Prime & PSU, Focal Elear, Explorer 1 & 2, F80, 200/203 and various Sonos.
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#274830 - 2018-04-06 06:41 Re: G68 switching on & off? [Re: Laserblues2]
Registered: 2016-11-27
Posts: 161
Struttmaster Offline
Hitchhiker
Struttmaster Offline
Hitchhiker

Registered: 2016-11-27
Posts: 161
Loc: Gold Coast, Queensland, Austra...
Curious too, did you replace the ps or tweak it?


HT: G68ADV, HD621, 5000C, Marantz BD, 218, REL SW, analogue fronts & DSP5000 rears.
Office: Prime PS, MS200, Director, Woo Audio WA2 (w/ Tung-Sol tubes), Beyerdynamic T1's
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BBQ/Party: Raspberry Pi, F80
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#274879 - 2018-04-07 10:01 Re: G68 switching on & off? [Re: Struttmaster]
Registered: 2015-03-16
Posts: 67
Laserblues2 Offline
Mostly harmless
Laserblues2 Offline
Mostly harmless

Registered: 2015-03-16
Posts: 67
Loc: Hong Kong / UK
Yes, replaced the PSU & all has been so far!

Just been trying to get the comms ports to work to use the configuration software. The RS232 never worked so ended up using a USB cable which has worked but can’t access the HD621. Wondering if there’s really any value in connecting to it as the G68 seems capable of doing everything?!

So grateful for all the replies & advice on here, and Steve’s help has been amazing!


Newbie learning
G55 / G68 XXV / HD621 / Oppo 105D / MacBook running Roon
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#274880 - 2018-04-07 11:16 Re: G68 switching on & off? [Re: Laserblues2]
Registered: 2006-11-08
Posts: 4,004
dpstjp Offline
Vogon Civil Servant
dpstjp Offline
Vogon Civil Servant

Registered: 2006-11-08
Posts: 4,004
Loc: London, England
Are you sure the serial cable you were using was a null modem cable? Did you allocate a comms port to it?


Sooloos, Roon, G series (with LPS upgrade), 800 series (with LPS upgrade), HD621, AC200, Prime and PS, DSPs old and new.

Purdeys, Moke, Leica, 'Blad. Only the best.
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#274906 - 2018-04-07 21:59 Re: G68 switching on & off? [Re: dpstjp]
Registered: 2015-03-16
Posts: 67
Laserblues2 Offline
Mostly harmless
Laserblues2 Offline
Mostly harmless

Registered: 2015-03-16
Posts: 67
Loc: Hong Kong / UK
Not sure, it’s a Unitek Y-105 USB to serial cable. I’ll check and see, as that would make most sense that the cable had a problem


Newbie learning
G55 / G68 XXV / HD621 / Oppo 105D / MacBook running Roon
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#274916 - 2018-04-08 08:32 Re: G68 switching on & off? [Re: Laserblues2]
Registered: 2004-08-07
Posts: 7,420
Ian Offline
President of the Imperial Galactic Government
Ian Offline
President of the Imperial Galactic Government

Registered: 2004-08-07
Posts: 7,420
Loc: Surrey, England, UK
No mention in the spec that it has (rare feature) integrated null modem (crossover) capabilities so suspect that you need an additional 'null modem' cable to internally crossover tx/rx.


Meridian owner since 1992
DSP5000 96/24, MC200, Prime & PSU, Focal Elear, Explorer 1 & 2, F80, 200/203 and various Sonos.
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#274969 - 2018-04-09 14:58 Re: G68 switching on & off? [Re: Ian]
Registered: 2015-03-16
Posts: 67
Laserblues2 Offline
Mostly harmless
Laserblues2 Offline
Mostly harmless

Registered: 2015-03-16
Posts: 67
Loc: Hong Kong / UK
Cool - thanks!

Do I just need a null modem cable, or do I need another USB to RS232 cable? (Sorry newbie with all this stuff.)

Would one of these be ok?

Maybe this VIDEK ONE?


Newbie learning
G55 / G68 XXV / HD621 / Oppo 105D / MacBook running Roon
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#274987 - 2018-04-09 22:45 Re: G68 switching on & off? [Re: Laserblues2]
Registered: 2008-05-23
Posts: 7,649
Carl Offline
President of the Imperial Galactic Government
Carl Offline


President of the Imperial Galactic Government

Registered: 2008-05-23
Posts: 7,649
Loc: Central England, UK
Just adding a NULL modem cable into the chain should be fine.

Can never be 100% certain but that VIDEK one should do the job.

Regards,
Carl


861v6+ID40, HD621, 8000.2, 7200HC, 7200, SKYQ Silver, PS3, PDP-LX6090, QNAP TS870-Pro (8*6TB), Roon, iPadAir2.
[In Reserve] C15, MD600 (2*3TB), TwinStore RM (2*2TB)
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