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Crumbtrail TV Forums: TV Equipment: Projection TV Forum:
tz55x71 convergence problem

 

 


bsmith99
New User

Sep 24, 2006, 1:44 PM

Post #1 of 5 (1253 views)
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tz55x71 convergence problem Can't Post

   
I have a Toshiba tz55x71,the blue is way off on the bottom of the screen , its ok towards the middle
and the top. I checked the easy stuff like caps and solder joints on the convergence board. I cant seem
to find a replacement module or I would have went that way. Any help would be appreciated..



techchris
Veteran

Sep 24, 2006, 2:56 PM

Post #2 of 5 (1248 views)
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Re: [bsmith99] tz55x71 convergence problem [In reply to] Can't Post

Have you changed the convergence amp ic's?


bsmith99
New User

Sep 24, 2006, 6:32 PM

Post #3 of 5 (1243 views)
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Re: [techchris] tz55x71 convergence problem [In reply to] Can't Post

there are 2 stk392-110 modules - do you feel thats were the problem is,also I dont have a schematic-
how can i tell which one is red/blue.
thanks rich


techchris
Veteran

Sep 24, 2006, 8:12 PM

Post #4 of 5 (1239 views)
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Re: [bsmith99] tz55x71 convergence problem [In reply to] Can't Post

you always change both and make sure you order originals NOT cheapo chinese equivalents that only last 2 days.also check and change if necessary the low value fusible resistors near the ic's


bsmith99
New User

Sep 25, 2006, 11:56 AM

Post #5 of 5 (1234 views)
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Re: [techchris] tz55x71 convergence problem [In reply to] Can't Post

thanks - I really appreiate the help - I'll change them both out , I think all the low value resistors
were ok - but I'll check them again.

 
 
 


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