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I have a Samsung LN40A550P3PXZA LCD TV that I am attempting

Hello,I have a Samsung LN40A550P3PXZA LCD TV that I am attempting to troubleshoot. I am having these problems:- Blinking red power LED = Originally TV would not turn on at all and would just cycle power with a black screen. Backlight would come on but no picture. Replaced power board capacitors and now TV will turn on after a minute or so. Will cycle power a few times before finally turning on.- Picture = picture is clear as far as menu/volume icons go. When I try to connect to HDMI ports (tried a few) I can sometimes see the outline of whats connected and sometimes its just white line static with an obnoxious screeching noise from the speakers.I am now on my second power board. My soldering skills are okay and have replaced nearly every capacitor on the power board as well as checking them on my DMM. I have checked the 5.3V standby leaving the power board and it is good. Fuses have checked out good. Tried using a repair manual but some of the checks in it are nearly impossible to take without shorting out something and causing more issues.I am hoping for advice to help fix this issue that is kicking my butt. Thank you.

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Anthony_Infotech

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Lg 55 lm6700 flashing 3 red lights and one flash : Yeah ive

Lg 55 lm6700 flashing 3 red lights and one long flashJA: Has this happened before? And have you tried unplugging your LG and leaving it off for a few hours?Customer: Yeah ive done all that now just tested with multimeter at 12 pin connector for power supply board all are spot on except the 24 v power on pin its reading 34.20 vJA: What troubleshooting have you tried?Customer: Did you get my last messageJA: The TV expert can solve this for you. Anything else you want him to know before I connect you two?Customer: Cant you solve this?JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the TV Technician about your situation and then connect you two.

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Anthony_Infotech

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Subject: Magnavox tv model no. 37MF331D37, ser no

Subject: Magnavox tv model no. 37MF331D37, ser no BZ3A0628470483. Original encounter was when was turned on there was a flicker of light in the lower left hand corner of the screen. came on for about 3 seconds and then went dark. after replacing capacitors- 2079, 2080, 2081, and 2082 on the power board the full screen lit up for about 3-4 seconds and also went dark. I cannot find a schematic to take any voltage measurments to make any decisions. Should I just throw it away.

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Anthony_Infotech

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16,256 satisfied customers
I have a audiovox 7.8" W TV/DVD/SD/MMC player model FPE 1078

I have a audiovox 7.8" W TV/DVD/SD/MMC player model FPE 1078 I believe mfg 5/2005 on which I suddenly cannot get a picture. I replaced the battery in the grey remote and the cable box does light up indicating some power. I love this little TV and was hoping it can be repaired or the size replaced. It sits on my kitchen counter. I live in Acton,MassachusettsCarol

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Shahid

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We have set our tv in the fireplace . But this past month we

We have set our tv in the fireplace for years. But this past month we had a blowing rain that came down our chimney and the back of the tv got wet. It, of course, went out. I have continued to try turning it back on and today by pushing the button on the tv, not the remote, it did come on and the picture looks great. However, the sound will not be turned down, it goes back to 100% by itself and it is hopeless to try turning it down. Is there anything I can do to make this work?

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Anthony_Infotech

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16,256 satisfied customers
How to fix a vizo tv that clicks off when i turn it on

how to fix a vizo tv that clicks off when i turn it on

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Mike G.

Television Repair Technician

Vocational, Technical or Trade Scho

 
9,008 satisfied customers
My TV is 4 years old and itkeeps shuti g off then in a few

My TV is 4 years old and itkeeps shuti g off then in a few minutes when u turn it on it may stay a fee minutes then it goes ooff again . what should I do? I tried to usecrefit. rdf and it doesn't accept it says numbers don't match but my card is good

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Mike G.

Television Repair Technician

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9,008 satisfied customers
My Vizio tv screen has distorted colors, there are and

My Vizio tv screen has distorted colors, there are green and purple tints that run through the picture, making it distorted, like a photo that has bled.

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Mike G.

Television Repair Technician

Vocational, Technical or Trade Scho

 
9,008 satisfied customers
Aric, I recently managed to pick up a LG 60PG60 plasma TV

Hi Aric,I recently managed to pick up a LG 60PG60 plasma TV that looks like it hasn't been used in a while. The TV powers on well and it looks fantastic, the problem is that after about an hour or so of watching the TV will power off and then immediately power back on and it will do this repeatedly at quicker intervals the more it is used. Is the TV overheating? Is there something wrong with the power supply board? Thanks!

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Shahid

Owner of Repair Shop

High School or GED

 
14,314 satisfied customers
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