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Hitachi vertical wavy lines

 
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PostPosted: Tue Dec 21, 2004 8:44 pm    Post subject: Hitachi vertical wavy lines Reply with quote

Hi,

I have a Hitachi monitor PC-DC1552. I have a problem when I turn on monitor after few minutes vertical wavy lines is apear on screen. I have notice that TDA 8172 part is going very hot I have also replace it with new part but the problem is still. Can any one tell me which part I need to change. sorry for my bad english.
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PostPosted: Tue Oct 21, 2008 11:02 pm    Post subject: Re: Hitachi vertical wavy lines Reply with quote

[quote="Anonymous"]Hi,
check the voltage to this vertical ic, change the rectifire(high freequency) and smoothig capacior from the lot, check the deflection coil have any short

I have a Hitachi monitor PC-DC1552. I have a problem when I turn on monitor after few minutes vertical wavy lines is apear on screen. I have notice that TDA 8172 part is going very hot I have also replace it with new part but the problem is still. Can any one tell me which part I need to change. sorry for my bad english.[/quote][quote][/quote]
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minnie



Joined: 18 Aug 2005
Posts: 2877
Location: Hell

PostPosted: Tue Oct 21, 2008 11:10 pm    Post subject: Reply with quote

I would start by replacing the electrolytic capacitors in the power supply.
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