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blam1
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Post subject: LD Players from Japan (100V) in the US (125V) Posted: 29 Sep 2017, 03:20 |
Advanced fan |
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Joined: 21 Dec 2002, 18:44 Posts: 961 Has thanked: 0 time Been thanked: 122 times
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I purchased a brand spanking new 2004 Japan variant DVL-919 to take advantage of the LD-G capabilities. I thought I would "retire" my US DVL-919 player as part of the "upgrade" to LD-G. Being that I didn't want to have a 100V step-down adapter, I decided I would swap the power supplies between the two players.
Interesting note - When you buy a DVL-919 through the Army/Air Force Exchange, you don't get a 125V player, you get one that auto-selects. So, continuing on, I moved my 110-240V power supply into the Japanese DVL-919 and all worked as I expected.
Then I noticed something very interesting. The back of the Japan player clearly states 100V. However the power supply board that came with the player is a 125V VWR1286 supply for the "KU/CA" player, which is the "Type" for US & Canada. Remounting the original power supply into the DVL-919 (J) player, it did indeed run perfectly fine on 120V power (or whatever voltage Puget Sound Energy feels like providing today).
So, my question is this. Is it normal for manufacturers to install 125V power supplies Japanese equipment? I just picked up a MUSE MSC-4000 decoder and it also shows 100V on the back of the unit, but the power supply boards are clearly marked as 125V.
I've also been very successful on running the 220V DVL-919E players from Europe on US 120V power without any modifications. It makes sense to build power supplies for the US that only work in the US, but it also makes sense that Power Supplies that runs on other voltages (220V) on US power as well.
Thoughts?
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forper
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Post subject: Re: LD Players from Japan (100V) in the US (125V) Posted: 26 Oct 2017, 10:15 |
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Joined: 01 May 2016, 06:38 Posts: 2040 Location: Australia Has thanked: 334 times Been thanked: 222 times
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signofzeta wrote: It’s super common in all sorts of things. Even if it isn’t, unless your step down was a few hundred bucks it stands a much greater chance of ruining your player than %10 more VAC does. If I had more exotic analog stuff I’d be concerned, like an early CD player with six power supplies or tube state amps. Really? I step down from 240 to 110 and 100 all the time for decades and never had anything ruined by it.
_________________ SONY MDP-355GX, DVDO iscan VP50, SONY KVHR-M36
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audioboyz1973
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Post subject: Re: LD Players from Japan (100V) in the US (125V) Posted: 26 Oct 2017, 15:32 |
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Joined: 16 Jun 2015, 15:40 Posts: 825 Location: Australia Has thanked: 105 times Been thanked: 95 times
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blam1 wrote: I opened up my HLD-X9 (had to replace the turntable rubber) and the MSC-4000 MUSE decoder and both were 125V inside. I'm not using a step-down transformer for either. Very interested to read that about the X9 Blam, also had to change the rubber grip but didn't think to check that at the time. Have read several posts here and there on-line stating how the X9 is very fussy on supply voltage and you really need to make sure it's 100V. Australia is usually stated as 240V, but here in WA the supply is 250V, and I usually measure it at 250-255V. I went the specific Japanese step-down (rather than US), but it's designed for a 220-240V input so I'm still getting about a 110V (or slightly more) output. Given what I'd read was mildly concerned but have to say never noticed any issues and your info puts me totally at ease! Also went a decent quality toroidal transformer.
_________________ Looking for Hi-Vision Discs (MUSE or HDVS).......
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