Question about Zenith C34W37 34" TV

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Hello I have a zenith c34w37 that has sound but no picture. When I turn it on the front panel led flashes 6 times. Please help!!

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When I turn on my Zenith Plasma it flashes for a split second and goes blank. No picture or sound. I have tried a different power cord but to availe.


My 42" zenith would try to turn on then go back off. LED would go red back to blue. I replaced the YSUS board and it works again.

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remove back panel. blow out all the dust from all the components except the fan on the right.
Vacuum out all the dust.
Have you replaced the lamp? that would help too.
There are 2 small red lamp. One indicates HEAT problem. The other one is the LAMP indicator.

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Won't turn on - relay clicks, power supply squeals, relay clicks, etc,


The television has a protection circuit. Sound like you know something about electronics so that is cool.

I suspect the HOT or High Voltage Transformer. If you want to operate on it, they typically will short externally from moisture or plastic high voltage breakdown. The TV starts, shorts as it cannot come to full high voltage, then shuts down. If your brave, you can unsolder the HOT which is the part that is on the main board or that comes from the top of the picture tube wire into a dark or spaceship type object.look underneath, sometimes they short underneath and you can scrap the carbon and get it to at least start up and work. Do not leave this as a fix as it can be a fire hazard.


The HOT is the most common. They are around 20-60 bucks. 34" TV. I am assuming this one without looking it up it is NOT a flat screen, as most do not squeal like that nor do they have to de-gausse like the old ones. I just looked it up and yes it is not a flat screen. Old school, so that is more thank likely the problem.

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1 Answer

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need check B+, standby power supply, and Horizontal defletion and components

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1 Answer

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Replace the bulb. I got my bulb from Samsung Parts for $125. Worked perfectly

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2 Answers

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Can you count how many times it flashes ? It might flash like 6 times and pause for 2 sec and flash 6 times again. THen call a service comany and tell them this info and they might tell you what part inside is bad. They are not telling you this for you to replace but they might say something like oh 6 flashes is a Y board and we will have to order it.
Hope this helps

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