SOURCE: ps3 plays audio but does not show image on tv
Well you can just use the hdmi cable if you're going both audio and video in to your tv. With your hdmi cable you get the best quality for both.
But in anycase, it seems that your PS3 is set up to output video via HDMI cable. To reset our video output settings, simply power down your PS3 (turned off) and hold down the power button until you hear the second beep. (around 5-10 secs) Power back up and hopefully you'll have video via your av cable. Hope this helps.
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.
http://www.avforums.com/forums/lcd-televisions/892447-no-picture-but-got-sound-my-samsung-lcd.html
http://www.gesda.com/transformer/Fall08_files/Page336.htm
Steve C
SOURCE: Samsung LN46A550 LCD power on/off problem again.
It is the Main A/V board that is faulty, not the power supply. The rainbow screen that you are seeing and the searching for signal message before it shuts off confirms this. It is the large board at the center of the tv. If you can get me the part number off it, I can find you the replacement. It will be either printed on the board itself or on a small label.
Sai.
SOURCE: Samsung LN46A550 LCD power on/off problem again.
Yes,T-Con board is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-Con board for the replacement.
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