Question about Samsung LN22C350 TV
The set should at least light up on the screen and have noise when you turn the sound up---yes, if a North American made set it will be NTSC format and I think your system is PAL, you would likely have no audio and a black and white image at best.
Posted on Dec 19, 2012
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Posted on Jan 02, 2017
Remove the Power Supply cable to Y Main board and check the Vs voltage in Power Supply board.
1. Vs voltage is OK, replace the Logic board or Y Main board.
2. Vs voltage is NG, replace the Power Supply board.
Posted on Jan 01, 2008
The replacement of the power supply is quite easy. You will have to remove the base if applicable and the back cover, once you remove it; you should see the power supply.
Click here to see how the power supply looks like and availability or Click here to find a cheaper one.
I can also repair your power supply. If you need further assistance you can write to [email protected]
Posted on Jan 05, 2009
SOURCE: Samsung LN-R408D - No Picture
My Mom's LNR408D also had sound but no picture. I was able to fix it by soldering in a jumper wire across a blown (1.5A ???) SMD picofuse on the "T-Con" board.
Consider attempting this ONLY if you: 0) Know enough to avoid the potentially fatal High Voltage parts of the power supply board!!!
1) Are a fearless hackazoid 2) know what you're doing with a soldering iron and teensie SMD parts 3) are gonna throw the busted thing out anyway so you have nothing to lose and won't be sad if you screw something up.
4) Know enough to avoid the potentially FATAL High Voltage parts of the power supply board!!!!!
This board is at the top center under a close fitting RF shield. The suspect part was labeled "CP" on the board and marked with "P" on the part. It is visible above the right-center of the connector from the main board. An ohmmeter showed it as open, so I bypassed it with a jumper wire from connector VIN to the hot side of C13. One image shows the suspect part and the jumper in place.
The other shows the TCON board placement top-center (under its RF shield). With care, it seems possible to test the fuse and put the jumper in place without removing the shield. (Obviously don't touch anything else with the VOM leads!)
Thanks to ZORBUS and Steve's TV and Electronics for the idea.
Posted on Sep 22, 2009
SOURCE: Samsung FP-T5084 No picture
For a 50 inch plasma....its worth it, in my opinion y-boards cost around $149 to $189
Posted on Nov 03, 2009
Testimonial: "Thank you. your feedback was appreciated. Theres a lot of value in getting an expert opinion whether to fix or not to fix."
Yes! there are 2 capacitors in power supply 5vdc standby out..recommand repalce with 1000uF 25v.
also one at 12vdc out. same with 1000uF 25v.
Posted on Nov 16, 2009
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