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larryp
Joined: 24 Jan 2012
Posts: 252
Location: eden prairie mn
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| Posted: Wed Feb 24, 2016 7:10 am Post subject: Sony 1272 04 Error code |
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My Sony 1272 pj displays a 04 error code. Turned it on for the first time and a few seconds later the unit shut off.
What does that mean? Can it be repaired easily?
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ecrabb
Forum Moderator
Joined: 13 Mar 2006
Posts: 15909
Location: Utah
TV/Projector: JVC RS40, Epson 5010
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| Posted: Wed Feb 24, 2016 11:57 pm Post subject: |
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That code refers to an error called "1K-over". Curt will have to diagnose this one, but I believe it's probably either low-voltage power-supply related or high-voltage power-supply related. Curt will probably know right away what the likely culprit is. He may have spare parts and be able to just swap boards if you're willing to open the machine up and willing to spend a little money.
BTW, these machines were notorious for fans failing - I think there are four of them - and triggering an error code, but I believe that was 01, not 04.
Either way, bummer.
BTW, setup manuals, error codes, and other docs for the 12xx series can be found here:
http://www.curtpalme.com/Sony125x_Downloads.shtm
SC
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Thu Feb 25, 2016 1:53 am Post subject: |
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It's overcurrent in one of the CRTs. Could be a shorted tube, a video output amp, or something else. Sadly, while I have some 12XX boards still, I got rid of all my 12XX chassis, so I can't test or repair any boards at this point.
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larryp
Joined: 24 Jan 2012
Posts: 252
Location: eden prairie mn
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| Posted: Thu Feb 25, 2016 2:40 am Post subject: |
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Want to buy a few chassis? 
| Curt Palme wrote: | | It's overcurrent in one of the CRTs. Could be a shorted tube, a video output amp, or something else. Sadly, while I have some 12XX boards still, I got rid of all my 12XX chassis, so I can't test or repair any boards at this point. |
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