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Pineapple23
Joined: 14 Aug 2010
Posts: 2
Location: Wisconsin
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| Posted: Sat Aug 14, 2010 10:29 pm Post subject: High Voltage Sony 1272q rubber problem |
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Hello everybody, I am new here and have recently had a problem with my Sony 1272 projector. I heard a hissing noise coming from the projector that was initially intermittent, but then became constant. I finally found it with the lights off and saw the blue "flame" coming out from the crack in the attached picture. The projector still works fine, but I will not use it again until I get this fixed. I do have a spare 1272 that I can use for parts, but how difficult and/or dangerous would it be to remove that tube on each and reattach? Could I try to fix this problem just using silicone caulk and filling in the gap? I would have to wonder if that would only be a band aid though and not actually fix the problem that caused the voltage leak in the first place. Maybe that isn't an issue though?
Any thoughts or suggestions on what I should proceed forward with?
Marcus
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Tom.W
Joined: 09 Mar 2006
Posts: 6635
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| Posted: Sat Aug 14, 2010 11:10 pm Post subject: |
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Looks like you need a new high voltage lead. Curt should have some so send him a PM.
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Pineapple23
Joined: 14 Aug 2010
Posts: 2
Location: Wisconsin
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| Posted: Mon Aug 16, 2010 10:13 pm Post subject: |
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Thanks, I do have an extra lead from my parts 1272. Can somebody advise me on where these parts come apart and do they just pull off and push on a new one? Silicone seal a new one on? Where exactly do they detach, above or below the clear plastic part around the tube? Does the rubber cap just pull off? Thanks for any help.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Mon Aug 16, 2010 11:25 pm Post subject: |
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I would just unplug it, wipe it clean with some alcohol and apply a nice think coating of silicone. Let it dry for 24 hrs or more.
If it still hisses after that then it may be dirty down inside the splitter. You would have to pull the wire out and clean both the end of the wire and down inside the hole. Again alcohol can be used. Let dry before putting the wire back in.
Or you can do it all at once by removing wire now, cleaning, reassemble and apply silicone.
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Ben851
Joined: 13 Sep 2008
Posts: 221
Location: Ottawa, Ontario
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| Posted: Tue Aug 17, 2010 2:42 pm Post subject: |
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I agree with Mac. Getting the HV boots off of the CRT itself intact (for reuse) is a real pain. I just did this with an NEC XG. After resiliconing the boots onto the new CRT, I had a bad seal on one of them. I just gooped the silicone (RTV) all around the boot, and it looks as though this fixed the problem for good (been running like this for about a month).
If you're really paranoid and want a new HV Lead I would either suggest:
1) Cut the HV lead from your spare, ignoring the boot and do a splice:
http://curtpalme.com/HV_Lead_Splicing.shtm
2) Bite the bullet, and buy a new one from Curt and save yourself the hassle of trying to peel an old one off.
_________________
Thanks,
Ben
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