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Rca led 2431a flat screen tv

Only 9 volts coming from power supply,tv keeps going off, wth...frustrated

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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leorcid
  • 281 Answers

SOURCE: Sony wega model: kv-32FS120 doesn't turn on

Check your power supply board and resolder the pcb, check the switching diodes and zeners.

Posted on Jan 30, 2008

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SOURCE: polaroid FLM-2601 power supply board

The part number is 6LM00220G0 and is priced at $80.54 at circuit city repair. It is easy to install once you remove the cover from the back of the TV and the housing for the power supply.

Posted on Apr 08, 2008

mediarich
  • 188 Answers

SOURCE: Tv not coming on

Your TV will probably not work on 95 volts. It may even damage your set. To see if your TV is still working properly you need to find a source of 108 volts at the minimum. Why is your voltage so low? Are you using a meter to check it?

Posted on Sep 18, 2008

Matampong
  • 153 Answers

SOURCE: RCA 37" Flat panel TV

The inverter might be cause of this problem, theres some components defective at the inverter section, bring to repair shop for repair.cheers.

Posted on Nov 10, 2008

  • 83 Answers

SOURCE: Power supply unit, TV cuts off after 20 seconds

i would recommend ebay, they usually have lots of parts for lcd tvs

Posted on Jan 25, 2009

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Sanyo DP46142 TV comes on for approximately 30 seconds and then screen goes black. Power LED stays on.


Sounds like a backlight problem to me. If you input a signal to the HDMI or Composite input and then it goes black have you tried taking a flashlight to the screen to see if the picture is still there but just dark? That would indicate a backlight issue. That model appears to be an LED edge lit backlight, so if the picture is still there after going black your going to have to trace out the backlight circuit and see whats going on. Usually with LED backlighting if it comes on at all then the LED's are good, its just the driver supply thats failing to keep them on. Some TV's have a small separate board that provides the backlight control, but i suspect with this model its on the power supply board and not the motherboard. Have you checked that board? It could be bad caps on the power supply board, check the voltages to the backlighting when it lights up and then when it goes dark. It could just be some failed capacitors on the power supply causing that voltage rail to drop off.

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2 Answers

Rca 32hd31 tv light comes on but the screen is black,no sound,no pic. it has been working fine for 21/2 years . no storms lately. any help would be great


There are 3 option:
a. power supply no 5 volts and 12 volts
b. Main board defective your can replace it will new board or repair
c. Check the fuse of 5 V and 12 V.

Your LED light voltage is fine. These are only the option i could suggest....

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Remote is broken.Replace it.

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Polariod flat screen tv when powered up power


your right there will be a bad caop in the power supply the can will have a domed or puffed top the value is printed on the side replace it and it will all set to go

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RCA 32 in TV no picture no sound just a beeping noise TV power is on


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2 Answers

42FD9954 philips plasma TV flashing LED it wont come on


The problem is in the standby power supply. the standby power supply generates the 9 volts and the 5 volts requird by the tv. If you measure the 9 volts source, with only the red light on, the correct voltage is 9 volts. However if the 9 volt measures 6.5 to 7 volts it is too low and the startup relays cannot operate. My set is a model 42FR9954/17S. In this set if capicator, 2603, is heated the voltage climbs to 9 volts and the relays work. If cold air is applied to the capicator the relays fail to operate. Replace capacitor 2503 and the problen is fixed. This capicator is: 47 Ufd, rated @ 450 volts, and is 20%.

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