Question about Philips ProScreen 4600 Impact Multimedia Projector

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Fan is cutting off, then lamp goes out I think it is overheating

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Have you checked the air filter and openings for good ventilation

Posted on Mar 28, 2011

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1 Answer

Turns on with snow and yellow light under lamp. Why does it shut down after 20 seconds?


yellow steady light is overheating. you have a stuck fan or its all clogged with dust. The only way to fix it is to find what is causing it to overheat or prevent the fan from spinning. It is not lamp related unless you bought a lamp that does not have an Osram bulb inside.

Sep 08, 2015 | Mitsubishi WD-65734 65" HDTV

1 Answer

Have sound no picture?


if the fan is cutting off and ON there is a problem with your power supply unit.

and this may also affect your other systems on the unit

Jul 30, 2008 | Toshiba 62HMX84 62" Rear Projection HDTV

1 Answer

I have a rca hd tv 42 inch model #40LA45RQ stays on for about 15min to half hour goes off please help


hi,
Check the lamp cooling fan. If the fan is faulty then the lamp will become overheated and the protection circuit will turn it off . you can see the fan near the lamp housing.
ok

Jun 12, 2011 | RCA D44LPW134 44" HDTV

1 Answer

The lamp has just been replaced and now the tv will only stay on for 30 minutes and then turn itself off. The lamp indicator light is red. We can turn the tv back on and the light goes off. Six months ago...


Did you press the System Reset button with a ball point pin on the front of the set? You might have a ballast going bad if it has never been replaced. But first, the reset button then you may have a thermal switch which is located just above the lamp housing. I test the thermal switches by unhooking (while set is unplugged) one of the wires and then putting an alligator clip jumper between the two wires to see if it last longer than the 30 minutes you mentioned. Lastly, there must not be any dust in and around the fan which can cause overheating. Sounds like you have an overheating problem initially. The thermal switch cuts the set off if there is overheating. And also if the switch is faulty it will cut off the set. Also look in the menu for a temperature setting if this model has a setting such as this.

May 24, 2011 | Mitsubishi WD73727 73" HDTV

1 Answer

Sanyo plc-sw30 i have a problem when i power on the projector , there is no power lamp on a very slow light is visible and the projector shut down and the fan are in very high power


The uProcessor thinks that it has overheated and is frantically trying to cool down what it thinks is a hot lamp.
This condition has many causes from an exhausted lamp to lamp ballast fault or even a power supply fault or a heat sensor/fan fault.

Mar 30, 2011 | Sanyo PLC-SW30 Multimedia Projector

2 Answers

Kdf-50e2000: Shuts off by itself, lamp blinks 4


Four blinks is a fan error, I don't think that set has a filter but may have more than one fan. If the fan blades have a lot of dust on them that can cause slow rotation, can just be a bad fan or improper voltage going to the fan.

Jun 19, 2009 | Sony KDF-50E2000 50" HDTV

1 Answer

Sound no picture?


I have no solution for this problem and I'm not sure I can fix it without taking it to a repair shop. The replies I got yesterday did not help.

Jul 30, 2008 | Toshiba 62HMX84 62" Rear Projection HDTV

1 Answer

Lamp mode swtiches to full power in the middle of dvd play


Hi Barb99

This could unfortunately be either the fan baord or the Mainboard that has gone faulty.

You will have to get this checked out by a Service Centre as this is one of those problems that need hands on to give you the right diagnosis.

May 05, 2008 | Sanyo PLV-Z2 Multimedia Projector

4 Answers

Overheating?


Hey,

I think it's the cooling... Because when i let it cool down after it shuts down for like a few minutes I can boot it back up. But if i try to boot it up right after it shuts down it won't let me. I think it has a built in temperature monitor to make sure it doesn't overheat. I'm going to install some computer fans on the vents of the projector to get some more airflow. Hopefully that will do the trick.

Nov 03, 2007 | CTX Optoma EzPro 680 Multimedia Projector

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