Question about Compaq fs740 17" CRT Monitor

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No black color, horizontal blue lines

Can any one help?

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Re: no black color, horizontal blue lines - Compaq fs740 17" CRT Monitor Computer Monitors

Replace the monitor

Posted on May 10, 2008

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Appreciate the "Ask Me".

I am assuming that you have more than just familiarity with electronic components and circuitry, the use of a DVM and a soldering iron. Further, that you have access to a service manual.

Width problem is basically insufficient horizontal deflection, then analysis would have to be in the horizontal section. Areas to initially focus on:
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  2. 110 V peak to peak at collector of Q403, if yes check Q 402 & 404 as well as T401;
  3. other components that affect the horizontal size are:
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Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

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Cl;ick on Link Below, Good Luck.
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