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SANSUI SV2918 switches on/off by itself

Hi,

I live in South Africa and my Sansui SV2918, after being on for about an hour, will shut off automatically. Sometimes it will immediately switch bak on but will then start searching for the channels in auto tune. It will after a second then switch off again and power up again etc. I have checked the settings and nothing is set on a timer etc. If I do not plug it out of the socket outlet, it will do this the entire time. I have switched it off at the button on the front of the unit and it does not help. Only removing it from the outlet socket does.

I don't know if it is a capacitor breaking through or if it is the switch mode power supply, or the power switch etc?

If you could advice urgently it would be highly appreciated.

Regards

Nantes van Wyk

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Posted on Jan 02, 2017

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SOURCE: sansui DVR-1038

Thanks zs1ba

If I open the unit and check the psu, how do I know which capacitor to look for? Where on the psu is it? Sorry for sounding dumb, but I know code, not hardware...

Posted on Apr 07, 2008

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SOURCE: TV Will not fire up.

try this,hang the collector pin of the HOT then try to switch on check the voltage its 115v dc,and check also the oscillation drive at the base of HOT take your VOM at 10v ac,ther must be a flactuate at the pointer.if the two procedure are good.plyback is deffective.but if u dont have any measured voltage at the collector of HOT ur problem is in the power supply. mc44608 is use at all old model philips tv.email me for wat happend

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SOURCE: sansui tv sv2918

replace vert IC301, C432, ( D431 & R431 should also be blown)

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SOURCE: faulty line stage sv2918 sansui tv

Can you please post the make and model. That would help u sto provide you with more details.

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Posted on Dec 01, 2008

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SOURCE: assistant

is this electricity pocket plugged up to a timer ? or take the tv back to the shop... lost the receit just look for the same tv on computer

Posted on Dec 05, 2008

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