Hitachi vertical wavy lines

Guest · Posted: Tue Dec 21, 2004 8:44 pm Post subject: Hitachi vertical wavy lines

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.

Guest · Posted: Tue Oct 21, 2008 11:02 pm Post subject: Re: Hitachi vertical wavy lines

[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]

minnie · Joined: 18 Aug 2005 Posts: 2880 Location: Hell

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