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SONY TV RANDOMLY FREAKS-OUT

 
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DennisA



Joined: 11 Jan 2007
Posts: 1

PostPosted: Fri Jan 12, 2007 3:56 am    Post subject: SONY TV RANDOMLY FREAKS-OUT Reply with quote

I have a 27" Sony Trinitron color tv; model: KV-27EXR15; November 1990.

On a purely random basis (cold, or warmed up, not at all for a day, or a few times in a day), the picture will look like an hourglass. Does anyone have any suggestions as to what I should look at, or into?
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allanm



Joined: 10 Nov 2006
Posts: 19
Location: kilmarnock UK

PostPosted: Fri Jan 12, 2007 6:37 pm    Post subject: sony Reply with quote

Sounds like dry joints in the east west circuit
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minnie



Joined: 18 Aug 2005
Posts: 2877
Location: Hell

PostPosted: Fri Jan 12, 2007 11:04 pm    Post subject: Reply with quote

Replace C517. If that doesn't fix it, replace IC531.
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minnie



Joined: 18 Aug 2005
Posts: 2877
Location: Hell

PostPosted: Sat Jan 13, 2007 4:02 am    Post subject: Re: sony Reply with quote

allanm wrote:
Sounds like dry joints in the east west circuit



?????????
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allanm



Joined: 10 Nov 2006
Posts: 19
Location: kilmarnock UK

PostPosted: Sun Jan 14, 2007 4:01 pm    Post subject: sony Reply with quote

If a fault is intermittent there could be a dry joint. It's easy enough to check before you start changing components.
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