Question about Standard (CRT) Televisions

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Sony Television Did you ever find a solution to your tv clicking and not coming on but the stand by light flashing? I'm having the same problem and can't seem to find a solution. I push the power button it clicks 5 or 6 times and then it goes off and the stand by light flashes 4 times. Can you help me? Thanks. Our Sony suddenly made a sound like we had shut it off, went black and the standby light started blinking. We tried shutting the power off for a while, when we turned it back on all we had was the standby light blinking constantly. Next we unplugged it for the night hoping to reset something, when we plugged it back in nothing had changed. No pattern to the blinking, it is constant.

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In these sets, it is common that the flyback transformer assembly, and sometimes the horizontal output transistor. With this there may be some failed capacitors in the horizontal section. When this type of failure occures it is possible that the power supply has some parts that also must be changed. The exact parts will be determined by the way the failure occured.

In some cases the CRT also goes shorted inside of the electron-gun. In this case the CRT must also be replaced.

In short order, you should take the set in for an estimate. It may be on the expensive side to service. If you are lucky, only the flyback may need replacement or some other simple part that is putting the set in to the protect mode.


Jerry G.

Posted on Apr 13, 2008

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The STANDBY light will flash if the television detects an issue within the television. Some of these issues can be resolved simply by following the steps below to reset the television.
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.
  1. Turn off the television. Unplug the television power cord from the electrical outlet.
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Hi i have been hereing a lot 0f these problems today here is my list of things that go bad when BLINKING RED LIGHT.
1 if tv comes on and shutsoff it is screen adjustment on flyback
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i suspect adustment on flyback be careful it is high voltage adjust clock wise slowly only move it a tiny bite.


thanks DOCTOR VIDEO leadingedgeelectronics since 1987

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The STANDBY light is flashing on the television and there is no picture or sound. Solution
sp.gif sp.gif The STANDBY light will flash if an issue is detected within the television. This can sometimes be resolved by simply following the steps below to reset the television.
  1. Turn off the television. IMPORTANT: For a projection television that uses an internal lamp, wait 5 minutes after turning off the television to allow the lamp to cool before continuing with the following steps.
  2. Unplug the television power cord from the electrical outlet.
  3. Let the television remain without power for 60 seconds.
  4. Plug the power cord back into the electrical outlet. NOTE: If the television 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 television.
  5. Turn on the television.
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