Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

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When tv goes to turn projectors on it powers off

When i turn the tv on i hear sound, but when it starts to turn the projectors on it shuts off, then i have to unplug it and plug it in again and the same thing happens

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  • seymourmomof Sep 13, 2009

    it is a jvc 56 inch projection tv model number av56wp74

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The main power transformer is either going bad or has bad solder points holding it on to the board. sometimes if it is a bad solder joint sound vibration from the speakers can cause the solder joint to disconnect and this inturns trips the system to power down. what make and model of TV?

try running the TV on Mute to see if it is a sound vibration jiggling a loose solder connection.

Posted on Sep 13, 2009

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No picture no sound power light on


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EIKI XB23 PROJECTOR WON'T GO ON


Do you hear the fan start up? or does the projector lamp come on (you start to see an image)?

If yes to either:

When the temperature inside the projector reaches a
certain level, the projector will be automatically shut down
to protect the inside of the projector. The POWER indicator
is blinking while the projector is being cooled down. When
the projector has cooled down sufficiently (to its normal
operating temperature), it can be turned on again by
pressing the POWER ON-OFF button.

Note:
After the temperature inside the projector returns to normal, the
WARNING indicator still continues to blink. When the projector is
turned on again, the WARNING indicator stops blinking.

Then check the matters below:
– Did you provide appropriate space for the projector to be
ventilated? Check the installing condition to see if
ventilation slots are not blocked.
– Is the projector not installed near the ventilation duct of
air-conditioning equipment which may be hot? Install the
projector away from the ventilation duct of airconditioning
equipment.
– Are the air filters clean? Clean the air filters periodically. Let me know if you need to know how to do this.

If no to either:

When the projector detects an abnormal condition, it is
automatically shut down to protect the inside and the
WARNING indicator will be red. In this case, disconnect the
AC power cord and reconnect it, and then turn the projector
on once again for check. If the projector cannot be turned
on and the WARNING indicator emits a red light, disconnect
the AC power cord and contact the service station for check
and repair.

Please let me know if this helped solve the problem. If not, is there anything else you observed - whether or not you believe it's relevant.
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1 Answer

Powering down


I think you mean that you can still hear the fans running after shutting down, this is normal with the X family of projectors including the SP4800 and SP4805.

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