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416ray4538
Joined: 14 Jul 2009
Posts: 517
Location: near Toronto Ont
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| Posted: Fri Jan 10, 2014 12:34 am Post subject: Battery Life |
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1) Should crt projectors be left plugged in?
The battery that maintains the memory: Does it get recharged when the the pj is plugged in/turned on?
2) I read here once, I think it was Curt: "Very short duration power interruptions can be damaging.
The 9500 sounds like a fan is running all the time it's plugged in.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Fri Jan 10, 2014 12:46 am Post subject: Re: Battery Life |
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| 416ray4538 wrote: | 1) Should crt projectors be left plugged in?
I'ts up to you. I leave mine plugged in but will change that soon to save power.
The battery that maintains the memory: Does it get recharged when the the pj is plugged in/turned on?
No
2) I read here once, I think it was Curt: "Very short duration power interruptions can be damaging.
I have had them with no damage that i know of. But I also use an Isolation Transformer for my whole theater.
The 9500 sounds like a fan is running all the time it's plugged in.
yes the LVPS is on all the time since the 5 volt stand by power supply in the LVPS is always running
so it can accept the IR commands when off.
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Athanasios
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Fri Jan 10, 2014 12:50 am Post subject: |
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It's the Sony G90s that can nuke tubes with a brownout. I've never seen a Marquee do it... and I've tried!
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wallace123456
Joined: 14 Aug 2006
Posts: 2236
Location: Northwest VA area
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| Posted: Fri Jan 10, 2014 1:01 am Post subject: |
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| Curt Palme wrote: | | It's the Sony G90s that can nuke tubes with a brownout. I've never seen a Marquee do it... and I've tried! |
Hmmm, I have to assume that the best thing for the G90 would be to unplug the unit?
Thanks.
wallace
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Fri Jan 10, 2014 1:03 am Post subject: |
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Change the Dallas chip, and put a UPS on it, is my recommendation. if the set is off, there's no chance of nuking the tubes.
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wallace123456
Joined: 14 Aug 2006
Posts: 2236
Location: Northwest VA area
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| Posted: Fri Jan 10, 2014 1:09 am Post subject: |
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| Curt Palme wrote: | | Change the Dallas chip, and put a UPS on it, is my recommendation. if the set is off, there's no chance of nuking the tubes. |
Cool. Craig changed the Dallas chip a couple of years ago and I still have the old one for back-up. Don't know why I have not considered a UPS, too lazy and forgetful. BTW, where am I right now?.?  Lol!
Don't want to derail this, but any suggestions on the UPS?
Thanks.
wallace
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Fri Jan 10, 2014 1:15 am Post subject: |
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1000VA. I get my used ones from the recycler, always with dead batteries, then eBay another set of batteries. Should be $100-200 for batteries. Don' think the whole UPS is that cheap, but maybe..
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Fri Jan 10, 2014 12:51 pm Post subject: |
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That is CRAZY amounts for batteries. I pay $30 each here.
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