Pretty sure all that sh!t has to be assembled, before you'll get a signal and a picture........try that and see if that solves the problem.....
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| Unchartered Waters https://mail.karaokescenemagazine.net/forums/viewtopic.php?f=1&t=15915 |
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| Author: | karyoker [ Mon Feb 16, 2009 10:35 am ] |
| Post subject: | Unchartered Waters |
I have yet to work on a lcd TV but my TV is broke. There is a feature where if there is no video in a few seconds it darkens the screen. Mine is shutting off the display even if there is video present. There is no schematic or block diagram available. So I am just going by educated guesses armed with a digital volt meter and a good scope. The first pic is the unit carefully dis-assembled. The board trace up still mounted is the power supply. The board I have to TS is the I/O & tuner board with components side up shown in pic2. A legend on the power supply plug has a pin labeled brightness vbl ctrl. I am praying that this is the auto shutdown signal to the power supply and by opening will disable this feature. It would be a simple fix. Normal fix these days would be replacing the board but I still component TS (trouble shoot) Also I notice in the lower right corner there are traces to mount a video and L&R RCA jack for outputs. That would be nice to run video to a bigger screen and stereo to a real system. Pic if you want to see it pic |
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| Author: | johnny reverb [ Mon Feb 16, 2009 5:08 pm ] |
| Post subject: | Re: Unchartered Waters |
Pretty sure all that sh!t has to be assembled, before you'll get a signal and a picture........try that and see if that solves the problem.....
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| Author: | jdmeister [ Mon Feb 16, 2009 5:26 pm ] |
| Post subject: | Re: Unchartered Waters |
Wal Mart is selling them.. |
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| Author: | Charmin_Gibson [ Mon Feb 16, 2009 5:28 pm ] |
| Post subject: | Re: Unchartered Waters |
Oh, I see the problem...it's the flux capacitor Ollie:) |
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| Author: | karyoker [ Mon Feb 16, 2009 5:40 pm ] |
| Post subject: | Re: Unchartered Waters |
Quote: Oh, I see the problem...it's the flux capacitor Ollie:)
Believe it or not i found some info on the inet. This is a common problem an is 2 capacitors 1000 uf in the power supply. |
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| Author: | jdmeister [ Mon Feb 16, 2009 6:00 pm ] |
| Post subject: | Re: Unchartered Waters |
Quote: Believe it or not i found some info on the inet. This is a common problem an is 2 capacitors 1000 uf in the power supply.
I had that same problem with a girlfriend.. |
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| Author: | Charmin_Gibson [ Mon Feb 16, 2009 6:39 pm ] |
| Post subject: | Re: Unchartered Waters |
karyoker @ Mon 16 Feb, 2009 5:40 pm wrote: Quote: Oh, I see the problem...it's the flux capacitor Ollie:) Believe it or not i found some info on the inet. This is a common problem an is 2 capacitors 1000 uf in the power supply. 
I was just being a smarty pants. (naturally) I know absolutely noTHING about that kind of stuff. If it breaks, I throw it away and dig up the $$ for a new one... I'd surely electrocute myself if I tried to fix something of that sort.  I best stick to singin' and sellin' insurance. Lol
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