20 Most Recent Panasonic TC-L42U12 LCD TV Questions & Answers

First thing to do, if you have not, is plug a device into it. Most of the sets out today do a search for hooked up inputs upon start up. It may default to PC which can be changed in the set up menu. If you do have it hooked up to say cable and you are unable to switch it manually or by remote you may need a new control board.

13 blinks means a communication error on the A board (main board). The part number for the main board is TXN/A10PYHS. I would recommend TSM for a replacement board. Good warranty and price.www.tristatemodule.com

Check its back-light inverter. Check whether supply voltages comes to back light inverter board, from the main power supply regulator board. http://electronicshelponline.blogspot.com/ If you wish to get more details about these, check this link. Pull up older posts there, either by its left side bar, or see it in Timslide option.

Download its service manual. It have all details.

already found the manual at another site "Retrevo.com"

1. Check the Input Source: Make sure you have selected the correct input source on your TV for the device you are using. Use the remote control to cycle through the input options until you find the one connected to your video source.
2. Check Video Connections: Ensure that all video cables (such as HDMI, component, or composite cables) are securely connected between your TV and the device you are trying to watch content from. A loose or faulty cable connection could result in a loss of video signal.
3. Restart the TV and Video Source: Try restarting both your TV and the device you are trying to watch content from. Power off both devices, wait a few moments, and then power them back on. This can sometimes resolve temporary glitches or issues with the video signal.
4. Check for Software Updates: Make sure your TV's firmware is up-to-date. Sometimes software updates can resolve compatibility issues or bugs that may be affecting video playback. Check the settings menu on your TV for an option to update the firmware, or visit the manufacturer's website for instructions on how to do so.
5. Reset Video Settings: If you've made any changes to your TV's video settings, such as resolution or picture mode, try resetting them to their default values. This can sometimes resolve issues with video playback.
6. Try a Different Device: If possible, try connecting a different device (such as a DVD player or gaming console) to your TV to see if the issue persists. This can help determine whether the problem lies with the TV itself or with the original device you were using.
7. Contact Panasonic Support: If none of the above steps resolve the issue, it's possible there may be a hardware problem with your TV. In this case, you may need to contact Panasonic customer support for further assistance or to schedule a repair.
8. Hope this helps

1. Check the Power Cord: Ensure that the power cord is securely plugged into both the TV and the power outlet. Make sure there are no visible signs of damage to the power cord or the plug.
2. Inspect the Power Outlet: Try plugging another electronic device (such as a lamp or a phone charger) into the same outlet to verify if it is functioning properly. If other devices work fine, then the issue is likely not with the power outlet.
3. Check for Tripped Circuit Breakers: Check your circuit breaker or fuse box to see if a circuit breaker has been tripped or a fuse blown. If so, reset the circuit breaker or replace the fuse and try plugging in your TV again.
4. Test with Different Power Source: If possible, try plugging your TV into a different power source altogether, such as a different room or building. This will help determine if the issue is specific to the power source you were previously using.
5. Contact Panasonic Support: If none of the above steps resolve the issue and your TV still does not power on, it's likely that there is a hardware problem with the TV itself. In this case, you may need to contact Panasonic customer support for further assistance or to arrange for repairs. Be sure to provide them with details of the troubleshooting steps you've already taken.

Hope this helps

Question edited for a lot more clarity. In the link https://www.google.com/search?q=panasonic+th-42pv8d+blinks+2+times ..

Unfortunately there isn't one. The workaround is to change the Router Password or SSID to remove the plus + for something else.

need to input the plus sign for wifipassword XXXXX my ...

JustAnswer https://www.justanswer.com > Network Experts Apr 6, 2014 - How do i type the plus sign for my wifi password on my panasonic viera remote? I also need to input the "+" sign. - Answered by a verified 1 answer · Top answer: Okay, great. Go to Network settings on your tv menu> select Wireless ne https://www.google.com/search?q=Panasonic+remote+plus+symbol ..

panasonic tc-2165ga

Turn off and unplug the projector. Locate the lamp cover on the projector. Remove the lamp cover. Take out the old lamp. Insert the new lamp. Replace the lamp cover. Reset the lamp hours: Press the Enter button to display the "Option" menu. Use the 5 or 6 button to select "Lamp Runtime". Press and hold the Enter button for approximately 3 seconds. The "Lamp Runtime" will change to "Time Reset [Power Off]". Turn off the power and disconnect the power cord. Finally, plug in and turn on the projector. Remember to consult your projector's operating instructions manual for specific details and safety precautions. How to change Panasonic vx 400 xga projector lamp change or replace (youtube.com)

Question edited for clarity, it is probably a Viera not a Viesta. You can try a power cycle reset. Remove the power plug overnight, press and hold the On button for 60 seconds. Plug back in. All televisions need a remote. https://www.fixya.com/support/r29872378-universal_remotes_no_facsimile_remote ..