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Sony 1292 - image shifting

 
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poen




Joined: 21 Dec 2012
Posts: 51



PostLink    Posted: Fri Jan 01, 2021 9:08 pm    Post subject: Sony 1292 - image shifting Reply with quote


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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: 2789
Location: Budapest, Hungary


PostLink    Posted: Sat Jan 02, 2021 2:05 pm    Post subject: Reply with quote

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



PostLink    Posted: Sat Jan 02, 2021 2:27 pm    Post subject: Reply with quote

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



PostLink    Posted: Sat Jan 02, 2021 6:42 pm    Post subject: Reply with quote

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: 2789
Location: Budapest, Hungary


PostLink    Posted: Mon Jan 04, 2021 9:43 pm    Post subject: Reply with quote

poen wrote:

However! now I have something new, the test pattern lines are not so sharp anymore, what could this be?


A picture often tells more than a thousand words Smile

_________________
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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View user's photo album (1 photos)
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