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Crumbtrail TV Forums: TV Equipment: TV Repair Forum:
Panasonic LA7838 Explodes!

 

 


Mike
New User

Jun 5, 2003, 12:10 PM

Post #1 of 2 (3562 views)
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Panasonic LA7838 Explodes! Can't Post

Panasonic PC-33XF40R came in with no vert sweep. Replaced IC 451 (LA7838) turned it on and everything was perfect. Turned it off for a few minutes then back on and after 10 seconds the IC blew up.

Replaced the bypass cap from ic to d.yoke along with a few other caps tried a new ic and the same thing happened! Any help would be great.


(This post was edited by Mike on Jun 5, 2003, 12:13 PM)



MaierTV
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Jun 5, 2003, 4:55 PM

Post #2 of 2 (3551 views)
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Re: [Mike] Panasonic LA7838 Explodes! [In reply to] Can't Post

Look for a large cap 2200uf around 35 volts, this is a pumpup cap, change this

 
 
 


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