Sony VPH-G90U CRT Projector

Discussion in 'Projectors, Screens & Video Processors' started by meaux, Dec 12, 2002.

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  1. meaux

    meaux
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    According to my information Sony will no longer manufacture CRT projectors after 3/03. Would appreciate info regarding the reliability (ie maintenance problems) of this unit. Also as the unit is purchased does it come with a manual that contains sufficient info to do basic set up and alignment? Thank you.
     
  2. Boris Blank

    Boris Blank
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  3. Roland @ B4

    Roland @ B4
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    New Sony CRT's haven't been available in the UK for about 2 years now.
    There was such an out cry in the states that they continnued to produce a batch of G90 and G70 machines to fulfil expected demands.
    My understanding was that Sony had stopped production completly.
     
  4. CogPaul

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    check the avscience forums for information on sony spares and reliability. Setup and convergence is covered in the manuals and the Sony is pretty user-friendly in this respect. As always you will get better with time ( and numerous reconvergences!).

    We use three G90's for the front projection stage in our driving simulator at the University where I work. They are beautiful machines and given the opportunity of purchasing one at a good price I would not hesitate. I have worked with this research group and they tell me that they have not had a failure in four years with the 1272's/1292's previously fitted and in the past three years with G90's.
     
  5. Roland @ B4

    Roland @ B4
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    CRT's love to be worked,.The ones that have sat around idle for years are often less reliable than one that has never been switched off.
     
  6. Nick Beecham

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    Roland

    I am obviously keen to get the best reliability out of my new CRT as possible and if leaving the thing on all the time is the way forward then so be it - I can afford the electricity more easily than the hassle of repairs.

    However, surely if tubes - at best - have a life of 10,000 hours then left on all the time, they will be finished after just 14 months.

    So then: what does "left on" actually mean:

    1. Switched on at the mains plug; or
    2. Powered up but with the tubes not lit; or
    3. Tubes lit.

    Many thanks and see you soon.

    Nick
     
  7. Boris Blank

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    I think Roland means used regularly (as in every week/month for a few hours). Ideally, a projector should be left in standby when not being used, however it has been argued that leaving it switched on but with the picture muted is a good alternative - personally I do the former.
    Paul
     
  8. Nick Beecham

    Nick Beecham
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    Thanks Paul
     
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