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poen
Joined: 21 Dec 2012 Posts: 51
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Link Posted: Fri Jan 01, 2021 9:08 pm Post subject: Sony 1292 - image shifting |
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Hello all,
My Sony 1292 is shifting its picture either with or with no source every 4-5 seconds around the edges from left to right.
Could this be caused by a bad EA board? (the small left board on the PSU) ?
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gjaky
Joined: 05 Jun 2010 Posts: 2790 Location: Budapest, Hungary
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Link Posted: Sat Jan 02, 2021 2:05 pm Post subject: |
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Perhaps check for loose connection around the horizontal deflection connectors?
_________________ 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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poen
Joined: 21 Dec 2012 Posts: 51
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Link Posted: Sat Jan 02, 2021 2:27 pm Post subject: |
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gjaky wrote: | Perhaps check for loose connection around the horizontal deflection connectors? |
Hi Gjaky, where exactly would I find the horizontal deflection connectors? Want to be sure I am checking the right things here:)
Thanks for helping!
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poen
Joined: 21 Dec 2012 Posts: 51
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Link Posted: Sat Jan 02, 2021 6:42 pm Post subject: |
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poen wrote: | gjaky wrote: | Perhaps check for loose connection around the horizontal deflection connectors? |
Hi Gjaky, where exactly would I find the horizontal deflection connectors? Want to be sure I am checking the right things here:)
Thanks for helping! |
Dear Gjaky,
I doublechecked, wiggled, pushed every connection visible including a bit of turning and twisting on the adjusters / yokes on the tubes- this indeed fixed the shaking issue.
However! now I have something new, the test pattern lines are not so sharp anymore, what could this be?
Really seems this machine wants me to stop working on it:(
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gjaky
Joined: 05 Jun 2010 Posts: 2790 Location: Budapest, Hungary
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Link Posted: Mon Jan 04, 2021 9:43 pm Post subject: |
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poen wrote: |
However! now I have something new, the test pattern lines are not so sharp anymore, what could this be?
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A picture often tells more than a thousand words
_________________ 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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