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P16LJEO7 & P16LJEO8 Tubes

 
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BruceR



Joined: 05 Nov 2018
Posts: 2
Location: Brisbane, Australia


PostLink    Posted: Mon Nov 05, 2018 10:05 pm    Post subject: P16LJEO7 & P16LJEO8 Tubes Reply with quote


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Hello everybody. I see on the Projector Specifications page these tubes are interchangeable between a few NEC models. Anyone know if that applies to a Sony G70 as well? Or what the difference between the tubes is? Thanks in advance.
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gjaky



Joined: 05 Jun 2010
Posts: 2636
Location: Budapest, Hungary


PostLink    Posted: Tue Nov 06, 2018 8:42 am    Post subject: Reply with quote

They are interchangeable tubes, but the G2 is on a different pin on the tubes, the P16LJE07 (standard NEC XG tube) has the so called KH grid, which if properly used lowers the cathode capacitance (just like with LUG tubes) and is easier for the CRT amplifier to achieve better bandwidth with that. P16LJE08 (standard G70 tube) does not have this grid.
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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
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BruceR



Joined: 05 Nov 2018
Posts: 2
Location: Brisbane, Australia


PostLink    Posted: Wed Nov 07, 2018 9:03 am    Post subject: Reply with quote

Thanks gjaky. I've found the pages covering the neckboard mod on the site with your help, didn't realise it had already been covered.
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[Frankie]



Joined: 16 Jun 2014
Posts: 82
Location: Italia


PostLink    Posted: Thu Nov 15, 2018 2:43 am    Post subject: Reply with quote

Hey! Talking about G70 and NEC XG, i wanted to ask if i can use some of those tubes from a G70 for repairing a NEC XG 1351LC. Thanks in advance for any reply!
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