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Vizio smart TV won't power on. light flashes when hitting power button, but nothing happens. If I unplug it that would fix it, but it just does it again next time. Now it turns itself off while watchn

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  • Vizio Master
  • 33,311 Answers

Failing power supply

Posted on Dec 11, 2016

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jerryg50
  • 1667 Answers

SOURCE: Insignia 42 inch TV won't turn on

The power supply is in the protect mode. There are many things in the set that can cuase this. Most likely there is a short on one of the circuit boards, or the power supply itself has failed.

You will have to have the set serviced in order to get it going again.

Jerry G.

Posted on Jun 03, 2008

  • 5 Answers

SOURCE: Sharp Aquos turns itself off

How many times per second does the POWER led blink? (dont worry about the OPC).

1x per second (constant, steady blink) = bad inverter/lamps
2x per second = bad power supply
3x per second = bad main board

You can buy the parts online and fix if yourself!!

Posted on Aug 16, 2008

  • 3 Answers

SOURCE: only vizio light on

why should i tell you (fixYa) how i fixed the problem for free? You wanted to charge me for your info so i think it's only fair that i charge you for mines. I did figure out and solved the problem.

Posted on Dec 31, 2008

  • 4 Answers

SOURCE: only vizio light come on then nothing. have to unplug to turn off

there a problem on power side.. chage the ic and the resistor going to ic and check also the signal diode.

Posted on Jan 03, 2009

  • 718 Answers

SOURCE: Panasonic 32 inch LCD TV will not turn on-red light flashing

The number of flashes is an error code. Count the number of flash. It looks like one of the boards in your set is failing intermittently. Panasonic codes for a guide as a starting point. Exact board STILL has to be verified;
One Blink: One blink of the power LED indicates a problem in the inverter circuit located on the LCD panel. The inverter board is not to be repaired in the field. Therefore a replacement is required.
Three Blinks: Three blinks of the power LED indicates an over-current or over-voltage condition in one of the DC supplies of the AP board. The AP board is repairable. Therefore the use of an ohmmeter and peak-hold-voltmeter is required to determine the cause of the shutdown. An over-voltage condition is definitely a defect of the AP board. An over-current condition may be due to a short circuit located in the AP board, A board, or the LCD panel.
Five, Seven, or Eight Blinks: The A board is responsible for five, seven or eight blinks of the power LED. The MAIN +3.3V, MAIN +5V, and MAIN +9V sources are all produced on the A board. The detection input pins of the MPU, IC1100, monitor for their presence.
Four or Six Blinks: The AP board is responsible for four or six blinks of the power LED. The DTV9V, and SUB_5V sources are produced on the AP board. The MPU IC1100 monitors for their presence when the unit is connected to AC Power. A short or open circuit on the A board may also be responsible for their absence.
Nine Blinks: Nine blinks of the power LED is due a short circuit in the audio output circuit (s) of the unit. The audio output circuit is located on the A board. Confirm the status of the speakers. If defective, perform a replacement. If ok, replace the A board.
Ten Blinks: Ten blinks of the power LED indicates a malfunction of IC4200, the frame converter. This IC resides on the A board. Therefore ten blinks of the power LED requires the replacement of the A board.

Posted on Feb 11, 2009

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I have a MAG, model 3200, product number MA - 32EF1AC. The red light is on, but when the power button is hit, nothing happens. What should I do?


maybe give it time..is it a smart tv?....might want to unplug and wait a bit, and try it again, if its a smart tv they like turn off all by them selves

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Suspect number one is of course the power supply board in the set, if look there look at the filter caps for ones like these:


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I have a 2003 sony kp51ws500 television and there's a timer on the tv and it won't turn on. A red light blinks 6 times then nothing happens. I unplugged, I hit the reset button, nothing happen


read the instruction manual and see how to operate.
if the timer is for to sleep, the problem will be the IC associates with him, you must see the block diagram and w.diagram. and tracking the signal.
go to www. retrevo.com and download the diagram. God bless you

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unplug, remove back and check to see if any bulging capacitor caps, if so, replace them....worked for me on Vizio

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Vizio P50HDM No Picture/No Sound


replace the sustainer boards should correct this problem. New sustainer boards may cause red and green pixilation. If this happen, replace control board and TV is as good as new.

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It's possible that the convergence IC's may be bad in this set along with a few resistors. A TV repair shop should be able to fix the set for you.

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