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Question posted by Swizzard913 on April 24th, 2023

When Power Is Applied Tv Stays On For 12 Seconds Then Cuts Off. Power Button Fla

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Answer #1: Posted by SonuKumar on April 24th, 2023 10:51 AM

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SonuKumar

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If your Panasonic TH50PX20 TV stays on for only 12 seconds when power is applied and then cuts off with the power button flashing, it could be an indication of a hardware problem. Here are some troubleshooting steps you can try to resolve the issue:

Check the power source: Ensure that the TV is connected to a working power outlet or power strip. If the power source is faulty, it could cause the TV to turn off after a short period.
Check the TV's internal components: Overheating or faulty internal components such as the power supply or main board could be causing the TV to turn off. You can check for any visible signs of damage such as burnt components, swollen capacitors, or damaged circuit boards. If you notice any damage, you may need to replace the damaged parts.
Perform a factory reset: Sometimes, a software glitch can cause the TV to malfunction. Performing a factory reset can help restore the TV's default settings and resolve any software-related issues.
Contact a professional technician: If none of the above steps resolve the issue, it could be a more complex hardware issue that requires the expertise of a professional technician. They will be able to diagnose and repair the issue.

In any case, it's essential to exercise caution when attempting to troubleshoot or repair any electronic devices. If you're not confident in your abilities or knowledge, it's best to seek the help of a professional technician.

Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.

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Sonu
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Related Panasonic TH50PX20 Manual Pages

50" Hdtv Plasma Display - Page 1

...English TQBC0628-1 M TV A POWER ASPECT UTE SAP TV/VIDEO LIG VCR ...DVD AUX RCVR DTV CBL DBS CH CTIO VOL VOL PC MENU EXIT CH PAGE RECALL GUIDE 1 2 4 5 7 8 R-TUNE 0 3 6 9 PROG PIP MIN REW PLAY PIP MAX FF PAUSE STOP REC FREEZE TV/VCR PIP CH VCR CH SEARCH OPEN/CLOSE PIP SPLIT MOVE SWAP HT N Operating Instructions High Definition Plasma Television...

50" Hdtv Plasma Display - Page 2

...to qualified service personnel. 2) Do not remove the grounding pin on shelves above the set. (including on the power plug. Do not defeat the purpose of the grounding plug. Manufactured under USP4638258, 5510752 and 5736897. under license from... expose this can cause a permanent afterimage to remain on the Plasma Television. Licensed by BBE Sound, Inc. No user serviceable parts inside .

50" Hdtv Plasma Display - Page 3

... lightning storms or when unused for future reference. 3) Heed all servicing to lightning and power-line surges. 14) Refer all warnings. This product should not be placed in a ... the obsolete outlet. 10) Protect the power cord from being walked on the AC cord power plug is used, use attachments / accessories specified by the manufacturer. 12) Use only with the manufacturer's instructions....

50" Hdtv Plasma Display - Page 6

...Power ON / OFF 19 AC cord connection 19 How to the RF In Terminal ....... 12 Antenna Connection 12 Connecting Headphones / Earphones 12...CODE 41 LOCK SET 41 CHANNEL 42 V-CHIP SET 42 U.S. TV PROGRAMS 43 U.S. Table of Contents Important Safety Instructions 3 FCC STATEMENT...Selecting option menus in Picture Operation 48 Split Screen 50 ASPECT Controls 52 PC MENU 53 PICTURE Adjustment 54...

50" Hdtv Plasma Display - Page 7

... may cause electric shocks. Do not place any objects on 120 V AC, 50/60 Hz. Do not handle the power cord plug with wet hands. • Doing so may occur, which can ... top of the Plasma TV. • If water spills onto the Plasma TV or foreign objects get inside the Plasma TV, if the Plasma TV is suspected, have it , a short-circuit may cause damage to the power cable which could cause...

50" Hdtv Plasma Display - Page 8

... solution and then wring the cloth dry. Clean the power cable regularly to prevent it from becoming dusty. • Built-up . Install your Plasma TV. If the cabinet becomes dirty, wipe it with its... qualified technician to carry out set-up dust on the Plasma TV. Use this can cause a permanent after-image to remain on the power cord plug can increase humidity which could also result in ...

50" Hdtv Plasma Display - Page 10

... you have the Accessories and items shown Operating Instruction book Remote Control Transmitter EUR7603ZB0 M TV A HT N POWER ASPECT UTE SAP TV/VIDEO LIG VCR DVD AUX RCVR DTV CBL DBS CH CTIO VOL VOL PC MENU ...the cable (winding or passing), as indicated by each connection diagram on the following pages (12 to 21). (Winding the cable around the ferrite core) 1 2 3 Open Pull back ...

50" Hdtv Plasma Display - Page 11

... Ferrite core (large size) (supplied) 1 12 2 Fastening method of power cable 1. To tighten. Cable Connection Front AV terminal (see page 13) S-VIDEO VIDEO L AUDIO R PC INPUT 3 From EXTERNAL monitor terminal on the installation hole, and fasten them. Fasten with the cable fastening clamper. 11 Insert the power plug into the main body. 2. Bundle...

50" Hdtv Plasma Display - Page 19

... an example.) CH 3 SAP JUST VIVID POWER Press the POWER button on the remote control to turn the TV on: Red Press the POWER button on . Power ON / OFF AC cord connection Connecting the AC cord plug to the Plasma TV with the clamper. Fix the AC cord plug securely to the Plasma TV. M TV A Menu Language Selection In SET UP Menu...

50" Hdtv Plasma Display - Page 20

...VIDEO VIDEO L AUDIO R PC INPUT 3 Power switch Power indicator T N POWER ASPECT UTE SAP TV/VIDEO LIGH VCR DVD AUX RCVR DTV CBL...button (Press to make selections.) INPUT button (Change to input signal.) Remote control sensor Operation can be done from the TV set. • Channel selectors • Volume adjusters C.A.T.S sensor Plasma C.A.T.S (Contrast Automatic Tracking System) Plasma...

50" Hdtv Plasma Display - Page 21

...POWER Press while pointing the remote control towards the CABLE BOX. Note: The remote control code number is set the TV channel to CH3 or CH4. This does not apply when signal is input from Antenna or Cable TV... VIDEO L AUDIO R PC INPUT 3 Less than 4" (10 cm) OUTPUT INPUT M TV A POWER ASPECT UTE SAP TV/VIDEO LIGH VCR DVD AUX RCVR DTV CBL DBS CH CTIO VOL VOL PC MENU EXIT CH...

50" Hdtv Plasma Display - Page 22

... VCR VCR REW/FF CABLE/DBS - Location of Controls Illuminated Remote Control Power button Press to previously viewed channel or video mode. JUST 4 : 3 ZOOM FULL MUTE button Press this button to mute the sound, press again to cancel the mute. Note: The TV's power cord must first be plugged into the wall outlet and then turned...

50" Hdtv Plasma Display - Page 23

...POWER ASPECT UTE SAP TV/VIDEO LIGH VCR DVD AUX RCVR DTV CBL DBS CH CTIO VOL VOL PC MENU EXIT CH PAGE RECALL GUIDE 1 2 4 5 7 8 R-TUNE 0 3 6 9 PROG PIP MIN REW PLAY PIP MAX FF PAUSE STOP REC FREEZE TV...GUIDE button PAGE GUIDE for DBS, skip +/- Split Screen (see page 50) ... TV A A Location of Controls TV/VIDEO button The input mode changes each time this button is...

50" Hdtv Plasma Display - Page 28

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50" Hdtv Plasma Display - Page 29

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50" Hdtv Plasma Display - Page 30

... detail. ON OFF SET UP MODE CABLE AUTO PROGRAM MANUAL PROGRAM AUTO POWER ON OFF OTHER ADJ. Press to select PIC MODE. Press to factory...POWER SAVE. Press to adjust the desired level by looking at the picture behind the menu. Adjusts clarity of picture. SET UP Operation POWER SAVE When this function is reduced. Adjusts white areas of plasma TV is suppressed, so power...

50" Hdtv Plasma Display - Page 52

M TV A T N POWER ASPECT UTE SAP TV/VIDEO ...you to enjoy viewing the picture at its maximum JUST size but 3 9 with aspect correction applied to the left and right edges of the image. When a full image from the S... encoded signals that elongation is pressed. ASPECT ASPECT button The aspect mode changes each time the ASPECT button is only apparent at its maximum size but with...

50" Hdtv Plasma Display - Page 62

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50" Hdtv Plasma Display - Page 63

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50" Hdtv Plasma Display - Page 69

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