Question about Sony KV-27S42 27" TV

2 Answers

TV is acting weird

My Tv turns on and off immediately. The standby/sleep light is flashing. but I can't turn it off...HELP!

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  • SACRIFICE Jul 10, 2008

    The light blinks 3 times...do I have to screw the back of the TV off? where do I get parts?

  • SACRIFICE Jul 10, 2008


    IS THIS INFORMATION TRUE?



    THREE Blinks---B+ over voltage protection (OVP), unit goes to the standby
    mode then displays the 3 blink fault. This is also a problem in the power
    supply circuit, check T603 and R672

  • SACRIFICE Jul 10, 2008

    yes I got that info from another site and wanted to verify it. Thanks! now the next step for me is to find out what those parts are, what they look like and where to get them.



    T603

    R672

  • SACRIFICE Jul 10, 2008

    thanks!

  • jsilauto Jul 28, 2008

    tv screen comes on then fades out can hear the volume no picture the red light blinks

  • dirtcheap Aug 21, 2008

    i have the same problem with my kv-27s42 sony.

    1) does T603 mean transister 603?

    2) does R622 mean resistor 622?

    3) are these solid state components in a solid state circuit board? if so, do i have to replace the whole board?

    4) will i have to drain the crt? if so, how?

×

2 Answers

Could be a memory error .try to turn on the tv after you extract it.If it is no change, than verify final flyback transistor (replace it).make sure that the power supply have the right tensions on secondary(could be higher than normal).

Posted on Jul 10, 2008

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  • Master
  • 4,234 Answers

The standby light should be flashing in a repeated count. That is what happens when the set detects a problem and enters a protective shutdown. The blink count will indicate the circuit in which the problem was detected. Please post that count and I should be able to provide you with details.

Dan

Posted on Jul 10, 2008

  • ABRsvcs Jul 10, 2008

    Yes, that information is correct. I don't have the manual with me at the moment, but that posting (from another site) is accurate. The part designation should be close if not exact. Please ignore the response from "guest" as that info is incorrect.



    Thanks,

    Dan

  • ABRsvcs Jul 10, 2008

    I'll look up the parts in the service manual and post the part numbers and source here.



    Dan

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1 Answer

The stand by light keeps blinking, this has happened before but then the TV came on. What to do as it has been blinking for a long time now.


The self-diagnostic function of the projection TV will cause the STANDBY light to blink or flash when the television detects an issue. The number of times the STANDBY light flashes corresponds to a specific issue. As per the two examples below, some of the issues may be resolved without the need for service.
  • If the STANDBY light flashes three times in sequence, the lamp cover is not securely attached. Reattach the lamp cover to resolve this issue.
  • If the STANDBY light flashes four times in sequence, the TV may be overheating. To resolve this issue, ensure that the back of the TV is well ventilated.
If the flash sequence is not listed above or the light continues to flash, follow the steps below to perform a power reset:
  1. Turn off the television. IMPORTANT: For a projection TV that uses an internal lamp, wait 5 minutes after turning off the TV to allow the lamp to cool before continuing with the following steps.
  2. Unplug the TV power cord from the electrical outlet.
  3. Let the TV remain without power for 60 seconds.
  4. Plug the power cord back into the electrical outlet. NOTE: If the TV is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the TV.
  5. Turn on the television. NOTE: If the TV does not turn on immediately, the fan may need to finish its cycle. This is part of the cooling process for some projection TVs and is normal operation. After the fan turns off, attempt to turn the TV on again.
If the issue is still unresolved after following all of the troubleshooting steps,service may be required. Please note the number of times the STANDBY light flashes and relay that information to the service center.

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1 Answer

Turn on tv and standby light flashes 6 times


The self-diagnostic function of the projection TV will cause the STANDBY light to blink or flash when the television detects an issue.

Follow the steps below to perform a power reset:
  1. Turn off the television.
  2. Unplug the TV power cord from the electrical outlet.
  3. Let the TV remain without power for 60 seconds.
  4. Plug the power cord back into the electrical outlet. NOTE: If the TV is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the TV.
  5. Turn on the television. NOTE: If the TV does not turn on immediately, the fan may need to finish its cycle. This is part of the cooling process for some projection TVs and is normal operation. After the fan turns off, attempt to turn the TV on again.

If the issue is still unresolved after following all of the troubleshooting steps, service may be required . Please note the number of times the STANDBY light flashes and relay that information to the service center.

Source

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1 Answer

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Ur high voltage is dying.The block of plastic with a red wire with a cap hook to ur CRT(tv tube).The FBT,it call the Flyback transformer,that is dying.That must be replace.

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1 Answer

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The self-diagnostic function of the projection TV will cause the STANDBY light to blink or flash when the television detects an issue. The number of times the STANDBY light flashes corresponds to a specific issue. As per the two examples below, some of the issues may be resolved without the need for service.
  • If the STANDBY light flashes three times in sequence, the lamp cover is not securely attached. Reattach the lamp cover to resolve this issue.
  • If the STANDBY light flashes four times in sequence, the TV may be overheating. To resolve this issue, ensure that the back of the TV is well ventilated.
If the flash sequence is not listed above or the light continues to flash, follow the steps below to perform a power reset:
  1. Turn off the television. IMPORTANT: For a projection TV that uses an internal lamp, wait 5 minutes after turning off the TV to allow the lamp to cool before continuing with the following steps.
  2. Unplug the TV power cord from the electrical outlet.
  3. Let the TV remain without power for 60 seconds.
  4. Plug the power cord back into the electrical outlet. NOTE: If the TV is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the TV.
  5. Turn on the television. NOTE: If the TV does not turn on immediately, the fan may need to finish its cycle. This is part of the cooling process for some projection TVs and is normal operation. After the fan turns off, attempt to turn the TV on again.
If the issue is still unresolved after following all of the troubleshooting steps, service may be required . Please note the number of times the STANDBY light flashes and relay that information to the service center.

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1 Answer

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If the lamp has been replaced I would think the Lamp ballast would be most likliest followed by the color wheel and then the Digital board. You can get any part needed for your model at www.tvrepairworld.com just leave them a email they respond quickly.

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