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Model E24-C1. Why no picture, no sound?

Powers on, screen lights, no picture, no sound. Replaced Main Board but problem persists.

Posted by Lawrence Brown on

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5 Related Answers

Jaime Hernandez

  • 2337 Answers

SOURCE: powers on but no sound & no picture

If you power the TV set ON, count how many times the light on the front blinks?
Is very unlikely you have to replace the whole main board.

Posted on Feb 07, 2008

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Benjamin Patri

  • 3037 Answers

SOURCE: vizio model L37

here, try the trouble shooting guide and let me know start with page 56, here is the link

Let me know when you have tried the trouble shooting for picture and sound even though this may not help, Also, since replacing the board didn't work, I will suggest going right to the manufacturer on this since the board was the only thing that really made sense for both to be out. Otherwise there might be a loose connection somewhere, anyway call them and let me know what they tell you and if they can't help, then you might have to take it in somewhere to have it checked, but the main board is the only thing that really makes sense

Main support number 714-668-0588
Email support[email protected]

Posted on Mar 24, 2008

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Anonymous

  • 98 Answers

SOURCE: Samsung LNR408DX/XAA Powers on with sound but no picture

I think you need to exchange the Main Board.

Posted on Feb 06, 2009

Anonymous

  • 4 Answers

SOURCE: plasma tv has no picture but green led is on

Try unplugging the TV for a few minutes (discharges the ballast/ps) then plug in and attempt to power on. I have the 42P Vizio over two years old and ran into the same problem a few times. First thought was a power supply issue, but the unplugging trick worked. Good luck.

Posted on Apr 17, 2009

ginko

Ginko

  • 19396 Answers

SOURCE: 42" Vizio - no picture no sound

If the TV goes in standby, then it is in protection mode.

Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
connected.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , starting the flashing light.

If you are in situation one, then the TV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |


On LCD Pay particular attention at inverter and power board, power board can be inspected looking for bulged or leaking capacitors, then tested with a multimeter. The inverter is more difficult to test , there is need to read voltages, should be done by a tech. Also the LCD controller board can cause same problem

Posted on May 04, 2009

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Lct3201ad powers on screen lights up nothing else no pic, etc

Hi
Your TV has Main board problem.I have that board,but we do
only exchange and coast with shipping $130.00 for you.
Please look at our policy:
ATTENTION:
WE CHANGE YOUR BAD MAIN TO GOOD ONE.
OUR POLICY
1.YOU HAVE TO SHIP AN OLD Main BOARD TO US
WE WILL SHIP NEW ONE TO YOU BY USPS IN 2-3 BUSINESS DAYS.
2. PLEASE PAY TO PAY PAL BUY FOLLOWING EMIL ADDRESS:
[email protected] 3. PLEASE SHIP YOUR OLD Main BOARD TO FOLLOWING ADDRESS:
GEORGES ELECTRONIC
769 GLADYS AVE
LOS ANGELES CA, 90021
PHONE: 213 627 4071
FAX: 213 627 3944
THANKS
GEORGE


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