Power went out and came back on multiple times. Could not get to the set fast enough to unplug it. Now there is sound, OSD, but no picture. We have tried several inputs and channels with different video sources, but still the same. Chassis # = CTC187BF2 Pulled the fuse and it 'looks' ok.
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Re: No Picture; Has sound and OSD Menu
Try a "hard restart", which simply means unplugging the power cord of the TV, and replugging it after 4 hours have passed. This technique reprograms the electronics to a certain extent.
You can also visit the manufacturer's website or call their tollfree number for problem solving info.
Hope these suggestions help you out.
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OSD LOCKED/UNLOCKED This function allows you to lock the current control settings, so that they cannot be inadvertently changed. Press and hold the MENU button for several seconds. The message "OSD LOCKED" should appear. You can unlock the OSD controls at any time by pushing the MENU button for several seconds. The message "OSD UNLOCKED" should appear.
Power off your computer and then remove the monitor cable from the port on the back side of the computer case. Reattach the cable and make sure the pins are correctly screwed in. Power the computer back on and check to see if the OSD lockout message is still being displayed. Check the manual that came with your computer or monitor and locate the troubleshooting section if you are still receiving the OSD lockout message. Find the OSD lockout heading and read the method that your particular model uses to remove the lockout.
Attempt generic lockout removal procedures if you no longer have the manual that came with your monitor.
Press and hold the "Menu" button located at the bottom of your monitor for 15 seconds and wait to see if the OSD lockout message disappears.
Press the "Menu" button again if the lockout message remains on the screen. Use the arrow buttons to navigate through the main menu options. Highlight the "Settings" or "OSD Menu" option and then hit the Menu key again to access the new list of settings.
Scroll down to the "OSD Lock" heading. Use the arrow keys to change the setting to "No." Hit the Menu key again to return to the main menu. Scroll to the "Exit" setting and then hit the Menu key a final time to exit the menu setting and remove the OSD lockout. hope this helps
Your video settings may actually be out of range of the monitor. Try starting the computer in safe mode. This will provide basic video without anything fancy. Reset the settings to a lower resolution from the display option in the control panel (or simply right-click on the desktop). If the display works then, restart the computer and then try different settings from Windows, not the monitor itself.
The following site has step by step instructions on steps you can try: http://www.ehow.com/how_5008634_fix-lockout-display-computer-monitor.html
I'll paste them below:
All computer monitors, whether they are LCD or CRT style, have a built-in feature called the on screen display (OSD) lock out that prevents users from viewing any images on the monitor. If your computer screen has accidentally been set to the OSD lock out setting, there are several different ways you can remove the lock out, depending on the make and model of your particular computer monitor. 1 Power your computer completely off and then remove the monitor cable from the port on the back side of the computer case. Reattach the cable and make sure the pins are correctly screwed in all of the way. Power the computer back on and check to see if the OSD lock out message is still being displayed. 2 Check the manual that came with your computer or monitor and locate the troubleshooting section if you are still receiving the OSD lock out message. Find the OSD lock out heading and read the method that your particular model of monitor uses to remove the lock out. Follow the instructions to remove the lock out. 3 Attempt generic lock out removal procedures if you no longer have the manual that came with your monitor. Press and hold the "Menu" button located at the bottom end of your monitor for 15 seconds and wait to see if the OSD lock out message disappears. 4 Press the "Menu" button again if the lock out message remains on the screen. Use the arrow buttons to navigate through the main menu options. Highlight the "Settings" or "OSD Menu" option and then hit the Menu key again to access the new list of settings. 5 Scroll down to the "OSD Lock" heading. Use the arrow keys to change the setting to "No." Hit the Menu key again to return to the main menu. Scroll over to the "Exit" setting and then hit the Menu key a final time to exit the menu setting and remove the OSD lock out.
First and foremost if you don't already have a surge protector I suggest investing in one....Sounds to me from what you are stating the Caps blew on the PSB-power supply board or they have one leg in the door. THis is also the beginning signs that the set is going to go into fault protection mode soon. Pic but no sound, sound put no pic... Vice versa.... When it fully fails you be left with NO OSD-on screen display no sound and a blinking fault LED at startup.
Unplugging for a few hours resets the fault. I would also invest in a cap tester. Recaping is cheap and fairly easy to do.
On a different Samsung TV, there is a Picture Reset in the Picture Menu on the OSD. (It's at the bottom of the list.) Similarly the sound reset is in the Sound menu. There is no global reset. (If your Samsung TV's OSD menus are different try under the Support menu.)
THERE IS, aside from having the set taken to a shop, One other thing you can try---
NOT THE RESET BUTTON ON THE FRONT OF THE SET!
If the original Mitsubishi remote works on the set---this set has a hidden menu---it also in that menu has a HARD RESET---puts set back to the condition is was when new in the box--will come back on on channel 3 in the air band and any labels you placed on any of the video inputs (ie--named a input DVD etc) will be gone.
If you have OSD but no video either you have some problem with a single voltage coming out of the power supply(shop repair) or if you had a power outage or the power cord was removed with the set on---the hard reset may fix it---nothing to lose--set is not usable now---
Let me know if you want to try the reset and I will tell you how----
It is possible that there is a loose connector inside of the set. BUT if you are not a trained tech have a trained Samsung tech troubleshoot the set because there are thousands of volts inside and will bite you, I know.
I have a sansui 19" LCD TV+DVD I had to attempt multiple times turning the TV on to get a picture. The sound was fine. This kept happening when I would go to turn on the set the TV kept playing fine with picture & sound but after the 2nd attemts I turned it off & then tried to turn it back on which took multiple attempts, it kept playing for a few minutes then the picture went out but the sound was still there. The set is not yet 2 years old.