Philips TV model 20PT6245/37, Vertical Deflection Problem

Oct 23, 2008 2 Replies
B

Hi,



I have a Philips TV model 20PT6245/37 (mfg 05/05) in my service shop with a loss of vertical deflection. I do not have SM.



For a moment after the TV is turned on, there is some vertical deflection, but it collapsed into a single horizontal line in the middle.



I checked solder joints at the vertical IC, resoldered them anyway, but this had no effect. Note: I soldered other joints too. Flexing and tapping on mother board has no effect.



I couldn't find pin out info on the vertical IC AN7225N on the web so I could make additional tests.



Thanks in advance, Brad



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J

This may sound like an asinine statement how ever, with the weak diagnostics described in the original post, how can one claim to be a service repair man ?

What happen to the days of using component cooler on suspected parts that obvious work at first, like in this post.

How about a service schematic, scope, DMM, Cap tester, ESR etc...

oh well..

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