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Rep@ir Sh@ck
Joined: 14 Dec 2004
Posts: 6
Location: Yorkshire
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 Posted: Wed Oct 21, 2009 3:12 pm Post subject: Ferguson FL26WX1 |
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| We are stuggling with a fault on this LCD tv. Switches on and works fine for about 5 mins then shut down still with the power light on green. The only way to power back up again is to unplug from the mains for a few seconds, plug back in and then it will work for another short while. |
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Dan the TV man
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| Posted: Fri Oct 23, 2009 6:02 pm Post subject: ferguson |
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| Check the power supply for bulged capacitors,the tops of the capacitors should be flat. |
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Rep@ir Sh@ck
Joined: 14 Dec 2004
Posts: 6
Location: Yorkshire
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| Posted: Fri Oct 23, 2009 8:28 pm Post subject: Re: ferguson |
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Checked them already, had a scope attached to see if there was any ripple on PSU secondary, found nothing. Doesn't give any signs when its gonna shut down either, sometimes can run for a couple of hours before it faults  |
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Rep@ir Sh@ck
Joined: 14 Dec 2004
Posts: 6
Location: Yorkshire
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| Posted: Mon Oct 26, 2009 10:26 pm Post subject: |
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| If anyone is interested, I found the fault with this TV. Chopper tx flashing over on primary causing set to go into burst mode. |
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minnie
Joined: 18 Aug 2005
Posts: 2880
Location: Hell
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| Posted: Fri Oct 30, 2009 2:13 am Post subject: |
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| Rep@ir Sh@ck wrote: | | If anyone is interested, I found the fault with this TV. Chopper tx flashing over on primary causing set to go into burst mode. |
And the fix was? |
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Rep@ir Sh@ck
Joined: 14 Dec 2004
Posts: 6
Location: Yorkshire
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| Posted: Fri Oct 30, 2009 6:33 pm Post subject: |
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| And the fix was a new chopper transformer. Well a good secondhand one ..sorry ! |
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minnie
Joined: 18 Aug 2005
Posts: 2880
Location: Hell
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| Posted: Sat Oct 31, 2009 2:12 am Post subject: |
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| Part number, component location? |
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Rep@ir Sh@ck
Joined: 14 Dec 2004
Posts: 6
Location: Yorkshire
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| Posted: Sat Oct 31, 2009 8:32 am Post subject: |
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[Hi, I don't have the part number for the transformer, but there is only one transformer on the power supply..Also check for dry joints around the primary of the psu as these sets are prone to bad solder..  |
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