Panasonic TV Power Supply Repaired
The power supply of an LCD TV is the large circuit board located in the middle of the body of the television. The device is hooked with a lot of transformers, capacitors and two integrated circuits. As much as one wants the television to run smoothly forever, there are a lot of constraints which the user comes across that hinder the performance of the electronic. When it comes to power supply, there can be a problem or two which affects the device. The first thing to do during TV repair Toronto is to test the LCD power supply. This will help in knowing what the problem is exactly. It will also shed light on the matter regarding repair or replacement. The good thing about Panasonic TV repair is that one does not have to tinker with the integrated circuits.
The following steps will guide the user regarding testing the LCDs
- Check if the LCD is not connected to any overloaded household circuit. It is also advised to plug the LCD TV into its own power supply, rather than sharing it with other appliances. Electronics like washer and refrigerator demand a lot of power, and this may cause concerns regarding the performance of the television which also needs consistent power supply.
- Connect the power cord of the LCD snugly into the socket or the power source. Ensure that all the connections, including the DVD player or cable box, are snugly connected to their respective power sources. Also, test the socket to see if the power is consistently dissipated from it.
- Check if there are any nicks or cuts on the power cord. If they exist, it is wise to replace them with cords of trusted brands. Rewiring is also an option if the damage is minimum and the user does not intend to spend a lot.
- Check for the incoming AC current by connecting your LCD to an independent power source. Make sure to remove any UPS connection between the TV and the power supply. If the TV works, it means that the power supply is in proper condition.
- Connect a lamp into the socket and check if the LCD screen flickers while connected to the power supply. In case the lamp flickers, this is a matter of intermittent power fluctuation. The remedy will be to contact an electrician for solving the problem.
Solving the matter yourself
In case the problem persists even after following the aforementioned steps, it is time to dig deep and solve the exact problem with the electronic. It must be noted that the one who takes the initiative to solve the problem must be an adult with a little experience with the required tools. Operating the tools requires some level of skill, and if the user does not know the instructions properly, it is best to leave it to a professional with ample experience regarding the matter.
Gathering the tools: A screwdriver, some solder, and a soldering gun is all that will be required. It is advised that amateurs either leave the work for experts or watch an informative video about the handling and operation of the tools.
Opening the TV: On the basis of the TV model, there will be a number of screws for opening up the electronic. The screws are located on the back, and are quite easy to open. If the back does not come off, it will be probably because of a screw still in place. Do not forget to place them in a proper place, as losing them will raise a whole another issue.
Disconnect the power board: Now that you have opened up the TV, it is time to locate the power board. The one which you should be looking for will either beige or brown coloured. Do not touch the main board, as there is no need to tweak it.
Remove the bad capacitors: These items are very easy to spot. They have a noticeable bulge on the top and might be leaking an electrolytic fluid. It is time to take them out and replace them with good ones.
Reassemble the TV: Now that the new capacitor of the right value has been set in place, it is time to put everything back in place and turn on the TV.