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gjaky
Joined: 05 Jun 2010
Posts: 2802
Location: Budapest, Hungary
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| Posted: Wed May 21, 2014 9:23 pm Post subject: NEC XG plastic sheet under top cover? |
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What's the deal with that big dark grey plastic sheet glued to the top cover? As I see it covers the most of the effective breathing holes on the cover, totally pointless, it's not even guiding much air.. With PGs I learned that the set runs cooler when the cover is CLOSED. Now with my XG it seems the cover ON makes the XG MUCH hotter and I am suspect this plastic sheet for all trouble, why is this there, what if I remove it?
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projectors in the past : NEC 6-9PG xtra, Electrohome Marquee 6-7500, NEC XG 1351 LC ( with super modified Electrohome VNB neckboard !!!)
current: VDC Marquee 9500LC
The MOD: VNB-DB, VIM-DB
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Thu May 22, 2014 2:38 am Post subject: |
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Its not ordinary plastic. I wouldnt expect removal to make any difference either.
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Barco Cine 9, ,Sony VPL570ES 4K SXRD, 135" OZ Theatre Majestic 16:9 screen, Denon X6700in preamp mode, 2x 7ch Tonewinner amps, 2x Tonewinner 15" subs, 2x 10" subs, 7.2.6...
RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 7.1...
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gjaky
Joined: 05 Jun 2010
Posts: 2802
Location: Budapest, Hungary
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| Posted: Thu May 22, 2014 6:29 am Post subject: |
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| CasetheCorvetteman wrote: | | Its not ordinary plastic. I wouldnt expect removal to make any difference either. |
For example it completely covers the heatsink on the HV board (which is hot), whereas in the PG xtra a small fan cooled the exactly same size heatsink... And while there is an opening for the deflection fan, but no clearing for the deflection exhaust. The deflection board runs hotter at 54kHz, than in the PG xtra, and that was said to blow up easily... Whith the top cover off these heatsinks are barely warm.
_________________
projectors in the past : NEC 6-9PG xtra, Electrohome Marquee 6-7500, NEC XG 1351 LC ( with super modified Electrohome VNB neckboard !!!)
current: VDC Marquee 9500LC
The MOD: VNB-DB, VIM-DB
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Thu May 22, 2014 7:52 am Post subject: |
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Mine has fans on both of those that blow through them.
_________________
Barco Cine 9, ,Sony VPL570ES 4K SXRD, 135" OZ Theatre Majestic 16:9 screen, Denon X6700in preamp mode, 2x 7ch Tonewinner amps, 2x Tonewinner 15" subs, 2x 10" subs, 7.2.6...
RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 7.1...
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