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Search: Posts Made By: ukagwx
Forum: Troubleshooting Computer Displays 07-28-2011, 03:50 PM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

Testing CCFLs using another LCD monitor.
Forum: Troubleshooting Computer Displays 07-28-2011, 03:35 PM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

Final update: I found the problem 2 CCFLs are bad. I replaced CCFLs and the monitor is working.
Thanks to anyone here helped me.
Forum: Troubleshooting Computer Displays 07-26-2011, 03:28 PM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

I don't understand your question. Buy CN001? This is just a connector.
Forum: Troubleshooting Computer Displays 07-26-2011, 02:39 PM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

For the CN001, I checked 5v, got 4.96, no 12v connection(see pic,just 6 connections,blue line).
Forum: Troubleshooting Computer Displays 07-26-2011, 01:59 PM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

Hi Rtech,ipman and tmcw,
I checked resistance for the two inverter transformers,that shows 621 and 626.
I guess this is Ok(under 3%),right?

But I didn't check CN001 yet.


Look CN001 on pic:
Forum: Troubleshooting Computer Displays 07-26-2011, 12:59 PM
Replies: 22
Views: 6,505
Posted By ukagwx
Forum: Troubleshooting Computer Displays 07-26-2011, 12:58 PM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

Hello ipman,PlainBill or anyone, could you help me to check transformer(like PlanBill ponted:bad transformer (15%)),I post one more pic here.
I am really appreciated your help. better draw/mark that...
Forum: Troubleshooting Computer Displays 07-26-2011, 12:05 PM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

I will get a DMM right now. How to check and find the problem? Could you mark that
on the pics? Thanks.
Forum: Troubleshooting Computer Displays 07-26-2011, 12:01 PM
Replies: 22
Views: 6,505
Posted By ukagwx
Forum: Troubleshooting Computer Displays 07-26-2011, 11:58 AM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

I am trying uploading pics...

https://www.badcaps.net/forum/attachment.php?attachmentid=28174&stc=1&d=1311699377

https://www.badcaps.net/forum/attachment.php?attachmentid=28175&stc=1&d=1311699377...
Forum: Troubleshooting Computer Displays 07-26-2011, 11:38 AM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

No,I don't have an ESR meter and a DMM.
Forum: Troubleshooting Computer Displays 07-26-2011, 11:31 AM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

I used 'Manage Attachments' to upload the pics, but uploading to 92% and then failed.
I tried many times. All pics are jpg,2.3M to 2.8M. Is this size to big to upload?
Forum: Troubleshooting Computer Displays 07-26-2011, 11:25 AM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

Detailed burn area.

On pic IMG_03121.jpg, the right one is burned compare to link one.
Forum: Troubleshooting Computer Displays 07-26-2011, 11:06 AM
Replies: 22
Views: 6,505
Posted By ukagwx
Re: LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

Thanks PlainBill for the quick reply.
I posted pics links on the post.

I see some burned area on the board, this could be a problem?
The transform looks bad? How to check that?
Forum: Troubleshooting Computer Displays 07-26-2011, 10:36 AM
Replies: 22
Views: 6,505
Posted By ukagwx
LCD Monitor Sceptre x20wg-naga will go black after 1 sec.

Hello All,
The LCD Monitor Sceptre x20wg-naga will go black after 1-2 sec. If I turn on
the monitor the screen just stay for few seconds, and then goes away(black)
but power is on. If I turn off...
Showing results 1 to 15 of 15

 
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