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what's the process involved in a board swap?

October 28 2002 at 11:43 AM
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  (Login digitalayon)

Convergence is out and I have to replace the board where the HV regulator and main filter capacitors are located....I think it's called a "sweep board"....I don't want to get shocked or anything....so is there a process of which wires to disconnect first or is it "a piece of cake" and it doesn't matter?...It's a Zenith projection big screen

 
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TV man
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Take care

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October 28 2002, 4:09 PM 


I TV set can shock you even if unpluged
Better ask a professional to service it
or subscribe some course.

There are cheap courses on the internet



 
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(Login digitalayon)

thanks TVMan

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October 29 2002, 1:24 PM 

hey thanks....I had to find a good dealer to service it and found one.....everyone else (department stores) were all $495-$745 bucks for them to work on it and charge 220% just for the parts.....I found a man that runs a repair shop and is certified with Zenith's and he's gonna put in a new sweep board, adjust the convergence grid, and clean the lenses and mirror with pickup and deliveryincluded for $240.....I don't think I could even beat that in terms of time in cost in doing it myself.

 
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Re: what's the process involved in a board swap?

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July 10 2003, 6:58 PM 

if the set is unpluged u wont have any problems just alot of plugs

 
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streeker
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now there's a guy

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May 11 2006, 2:17 PM 

that shouldnt have his hands in a tv, even unpluged for over a month in some cases if you touch the wrong spot in there, you'r history, you rely need to learn what to stay away from and keep in mind, that beast will kill you if you give it the chance

 
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Anonymous
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Re: now there's a guy

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May 11 2006, 5:28 PM 

A jolt of residual HV in a TV set will knock you on your ass, but there's no way in HELL it will kill you!! Hahahahahahahahahahaaaaaaa!!!

 
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Nya-ah-ahhh!! a-a-ahhh
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Belive it or not

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May 11 2006, 6:10 PM 

There is a case that somebody died because of a low current HV jolt. The guy back head hit the brick wall due to tremendous HV experience.

 
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(Login kb-tec)

Re: Belive it or not

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May 11 2006, 8:40 PM 

To add to the story of "SHOCK", I was working on a 35" RCA and just replaced the flyback and reseated the anode cup. I turned on the set and "forgot" it was on, also forgot if I seated the cup properly so I reseated it once again.... I received a continuous "Zap" of about 35K, from then on I "ALWAYS" check to see if the set was plugged in. Audio was at lowest level and fingers tingled for about a 1/2 hour. One of my employees could not stop laughing, but current isn't high enough to kill unless you have a bad heart. Unless plugged in a B+ cap will discharge quickly when "shorted" by your fingers. (My experience.)

 
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