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coachmatt42
Joined: 30 Jan 2010
Posts: 6
Location: Atlanta
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 Posted: Mon Feb 01, 2010 6:26 pm Post subject: |
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| Jesse Mack wrote: | If you have coolant leaking into the yoke windings you will start arcing between the yoke and the crt and will not be able to visably see the arc.
Only way to check this is to remove the yoke and clean crt and yoke - you usually can see a possible burn spot on the yoke. Sometimes this can be corrected with silicone if it has not progressed to far.
Hope this helps.
Jesse |
k thanks Jesse. I am gonna try that and see what happens. I'll let you know the status tomorrow.... |
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sheltronics
Joined: 23 Feb 2010
Posts: 2
Location: utah
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| Posted: Tue Feb 23, 2010 11:08 pm Post subject: crt coolant |
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| You really need to take the 4 screws out that seal the crt to case. Buildup needs to be taken off the crt front with a razor for best pic.I have done about 50 or so of these and the only way to do it is the right way. |
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Jesse Mack
Joined: 22 May 2008
Posts: 600
Location: The Last Frontier
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| Posted: Wed Feb 24, 2010 12:31 pm Post subject: |
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The buildup is an algae and is removable with denatured alcohol per philips own service literature and the alcohol also kills the algae.
Method given IS the right way per philips own service literature.
The only valid reason to replace the crt to chamber seal is if there was coolant leaking prior to repair. Then both seals should be replaced.
Jesse
PS: You may have done 50, I have done 150 and have never had a rework.  |
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sheltronics
Joined: 23 Feb 2010
Posts: 2
Location: utah
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| Posted: Wed Feb 24, 2010 8:38 pm Post subject: I am sorry |
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I was told by my mentor to always replace both seals as i looked up to him.
I never had a guide to go by. Again sorry |
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Jesse Mack
Joined: 22 May 2008
Posts: 600
Location: The Last Frontier
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| Posted: Thu Feb 25, 2010 12:10 pm Post subject: |
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No reason to be sorry, I could only wish that all of the employees I have had had your attitude I would consider myself lucky.
Jesse |
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seanpearson
Joined: 23 Apr 2010
Posts: 1
Location: st. louis
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| Posted: Fri Apr 23, 2010 8:54 am Post subject: |
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Hi there... How long does the coolant change usually take per CRT? I plan on doing the green and blue tomorrow, and just curious about how long it will take. Im very proficient working with this tv (Magnavox 51mp392h), as i have already replaced the convergence ICs.
I was thinking it would probably be like an hour per CRT just to be safe and make sure they get cleaned properly and make sure they dont leak... |
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skycap
Joined: 28 Jan 2011
Posts: 1
Location: waldorf md.
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| Posted: Fri Jan 28, 2011 1:26 pm Post subject: |
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| thanks for the info on how to change coolant in crt's. I'm about to try this on my philips 55pw9363and have a few questions,is the crt fluid all the same? I see I can get a kit at 85.00 or just buy fluid for 10.00, also where did you get that neat refill bottle and whats its called? who do you think has the crt gaskets for my set, if I can't get them new can the old one be reused and last for now, how do adjust the tabs, do they turn left and right and how many centering tabs are on each crt thanks for helping us and God bless,skycap |
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kuhurdler
Joined: 28 Dec 2006
Posts: 2571
Location: Overland Park, KS
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| Posted: Fri Jan 28, 2011 2:14 pm Post subject: |
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| I'd recommend re-reading the article. I think most of your questions are answered there. |
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mariodab
Joined: 30 Jan 2011
Posts: 3
Location: US
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| Posted: Sun Jan 30, 2011 2:36 am Post subject: Issue with centering tabs |
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| Do you just rotate the tabs to move the crosshairs? Just changed the fluid in the blue crt and was trying to realign it by using the centering tabs but it does nothing. Am I using them wrong? I rotated them both i don't how many times in both directions and I got absolutely no movement. Please help. |
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mariodab
Joined: 30 Jan 2011
Posts: 3
Location: US
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| Posted: Sun Jan 30, 2011 5:45 pm Post subject: |
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| The centering tabs, you said so in the final step to use these to adjust the picture. I don't understand. What did you mean in the last step? How do you use the tabs. How do you adjust the picture? Why did you say to use these tabs in the tut but say I shouldn't have after the fact. Please let me know what I misunderstood. Thanks. |
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