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Got 48 inch Vizio tv hooked up last night fine . turned on this am fine then roommate sd had horiz. lines. turn it off back on works briefly. need help

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

markevans
  • 148 Answers

SOURCE: ESA EDTV - 42 inch plasma TV, sound OK no picture.. has vertical lines.

pull plug. allow to reset. try again.
good luck on that, otherwise you need service.
good luck
mark

Posted on Dec 28, 2007

  • 280 Answers

SOURCE: My Vizio vp322 will not power on this morning

Probably the power supply has gone bad.. This happens with no warning. Sometimes it is just bad capacitors that have leaked or puffed up in the power board and a good tech can do a cheap fix by replacing them.. Other wise the PS board has to be replaced

Posted on Feb 20, 2009

  • 1 Answer

SOURCE: When I turned the tv on only vertical lines appeared

I talked to a Samsung support helpline and it needs to be taken to a service center for repair.

Posted on Mar 03, 2009

dunnbiker
  • 8546 Answers

SOURCE: STR-DE475 receiver flashes "PROTECT" when turned on

Protection is usually a sign of overheating or something is wrong at the power amplifier's output.

Theory: Protection is a delay and sometimes an internal test to allow the electronics to stabilize during power up before they are allowed to interact with the speakers. The most common cause of it remaining ON is that a speaker cable pair is shorted. Some isolation is required...

1. Turn the Power OFF.
2. Disconnect each set of the speaker wires that are directly attached to the receiver. Mark them so you remember where each one went. pay special attention to which conductor is on "+" or "POS" and which is on "-", "COM" or "Ground". You may elect to disconnect them one pair at a time if your sytem is complex and you don't want to lose track of where things were.

Turn the Power ON. Is the "Protect" indication gone from the display?
--------------------
If YES, you have a shorted speaker wire or speaker. To isolate the specific cause:

1. Turn the Power OFF.
2. Attach ONE speaker wire pair at a time and test it by turning the Receiver ON. When the "Protect" light returns you have isolated at least one of the cause(s). Disconnect the defective speaker cable and continue isolation of all speaker cables. Visually examine the cable at both ends for frayed wires that could touch each other or contact metal on the receiver or other objects.

To isolate further within the cable/speaker pair - disconnect the speaker end of the cable on the failing path. Try another cable that you know works, or at least one that doesn't cause Protection to stay on.

If you're electrically savvy and have a Digital Volt/Ohm Meter you can troubleshoot the short(s) with it.
-------------------------

If NO, there is probably an internal problem.

Is it solid or does it come on after the Receiver has been ON awhile.
It could be overheating.
Is the unit hot to the touch?
Is there a cooling device (fan)?
Is it stopped or clogged with dust?
Is there adequate ventilation around the unit for air to flow?
Clean any ventilation slots on the top and bottom of the unit.
Avoid stacking components that produce heat under an amplifier or receiver. Their heat rises. Also keep them away from other heat sources like like home heating vents and radiators.

Problem solid and NOT related to the speakers or heat: internal malfunction.

Let me know.

Posted on Apr 02, 2009

ginko
  • 19396 Answers

SOURCE: Tv wont turn on worked fine last night

If there is no power at all, then the problem is likely the power supply unit.
The PSU must be tested, then eventually replaced.

Posted on May 30, 2009

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