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Why firing lamps, but no video? - Apex Digital LD3249 LCD TV

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Sounds like main board fault. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

Posted on May 08, 2014

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Posted on Jan 02, 2017

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Cant get any further in library in crime lab body of evidence


Click on the following lamps: both lamps to the right of the fire place, the double lamp in front of the fire place, the light above the librarians head and the light next to the Napolean bust... Hope it helps!

May 19, 2011 | Nintendo DS Console

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Damage or Fire Warning on Samsung DLP Television


I was reading some articles in a website and i found out that there is a problem with the Samsung DLP.

If you don't install firmly the connectors may cause damage to both the ballast and the lamp and maybe you can get small fire...

i will add a picture of the connector and the link to the blog.

so if you are installing your TV lamp do it the correct way so this wont happen..

good luck


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this is a connector image..

9ddd7d8.jpg

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http://www.fixyourdlp.com/2010/03/22/damage-or-fire-warning-on-samsung-dlp-television-bp96-01653a-lamp/

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Please read carefully!
FixYourDLP.com has identified a potential hazard that may severely damage your Samsung TV with lamp code BP96-01653A!
Samsung DLP lamp units, model BP96-01653A may fail due to improper insertion. We discovered this while doing some tests on these enclosures. If you don’t install the BP96-01653A firmly into the TV, the housing connector may cause damage to both the ballast and the lamp—or even worse a fire.
You’ll know immediately if there’s something wrong because as soon as you turn your television on, and there’s white smoke emanating from the back of your television.
You should shut your television off immediately and open your lamp door and pull out that lamp. Inspect it and hopefully, you’ve just burned the connectors to the ballast, and not the ballast itself. Our testing has only caused the connectors to burn or melt, but don’t take any chances—we’ve never seen a fire, but we also don’t rule out the possibility of fires either.
Here is a correct installation method and the reasons why a bad installation will cause the connectors to burn:
IMPORTANT SAFETY WARNING
Regarding the installation of a BP96-01653A lamp unit into a Samsung DLP Television.
Installation
Step 1
install_images_bp96-01653a_01.jpg
Figure A – Open panel, lamp unit removed
You must install the lamp unit to fit snug with the ballast connector.
To do this, align the lamp unit with the female ballast connector facing down, on the bottom side of the enclosure, then slide the lamp unit until it snaps into place. Check to make sure the unit is firmly inside the television.
Step 2 install_images_bp96-01653a_02.jpg
Figure B – Snapping the lamp into place
Snap the wire brackets in tightly by lifting the bottom set up to meet with the top bracket. The wire bracket keeps the lamp and lamp enclosure seated properly to reduce the risk of fire.
when installed properly, the unit should sit secure and slightly elevated from the floor of the compartment.
Step 3 install_images_bp96-01653a_03.jpg
Figure C – Close back panel securely
Once the lamp is firmly secure, close the back panel to engage the blue lamp door sensor switch. Leaving the door open will prevent the television from starting up.

Important Damage or Fire Warning
Because of the nature of the ballast or lamp driver, there is a risk of damage or fire to your television set.
The ballast ignites the lamp with up to 20kV of electricity to arc the gas tube inside. If the ballast does not have a firm connection with the lamp unit, the arc will occur between the ballast connectors (from the ballast to the lamp), which may cause a fire, or melt your plastic connectors. Indications of this are a rapid clicking sound, a burning smell, and/or a non-functioning lamp. If you improperly install the lamp into your television causing a ballast or lamp failure, this may void your warranty for the television or the lamp product.
lamp-lighting-diagram.jpg

on Mar 23, 2010 | Televison & Video

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I have an EIKI EIP-5000 it starts normally but a minutes later it stops working and the temp light turns on. also the screen has some displaced pixels like when a video card is broken. also this...


This happened to me. In the projector, the section in between where the lamps go, there are two very small switch type levers, when a new lamp is positioned, these switches are supposed to move in line with a 4mm section of the new lamp. If they are not aligned together with the switch and slotted into place, it appears as if the projector doesn't recognise the new lamps. Unscrew the lamps again, make sure these little switches are aligned (a very small screw driver could help while positioning) when refitting the the lamps. Screw the lamps tightly and fire up. Hope this helps.

Nov 03, 2010 | Eiki EIP-5000L 5200 ANSI Lumens DLP XGA...

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I just replaced the lamps and the lamp 1 and lamp 2 lights are flashing red. the projector won't fire up.


The lamps are not in correctly. When the old lamps are taken out, it reveals two very small lever type switches that have to be down for the lamps to connect and for the projector to recognise the lamps. These switches can be seen in the section in between where the lamps go. They are about 4mm. Hope this helps. It happened to me.

Sep 17, 2010 | Eiki EIP-5000L 5200 ANSI Lumens DLP XGA...

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Replace lamp and lamp light continues to blink and will not come on. lamp is good but will not power up. fan is on so there is power. any suggestions?


Usually if the lamp light starts blinking and it will not fire up after the lamp is installed then that means that you still have the lamp door of and the toggle switch that detects the lamp door being off is activated and so the tv is in failsafe mode and is not turning on to protect you. If you know that you have the lamp door back on and the switch is pushed back into place as it is supposed to be then the issue is most likely your ballast. The ballast can appear to be the same symptoms as the lamp. If the lamp itself was not damaged or broken then its possible the lamp was fine all along and the ballast is bad. The ballast is the board the connects to the lamp and charges up the high voltage to fire up the lamp. If it is damaged in some way then the lamp will not fire. Just as a precaution you can test the wire connected into the ballast from the power supply board and make sure you are getting voltage. If you are getting voltage and the lamp is good and the lamp door toggle switch is not activated or the lamp temp board wire is not unplugged then you definitely have a ballast problem. Those are the only components that can cause the lamp to fire. The lamp temp board is a little board on top of the lamp housing that just has 1 small wire connected to it that is a thermometer. If that is unplugged the lamp will also not fire. So, requirements for fire lamp:
1. Power from power supply board to ballast
2. Ballast converting power out to lamp
3. Lamp door switch must be suppressed
4. Lamp temp board must be plugged in and functioning.

Jun 26, 2009 | Panasonic Televison & Video

1 Answer

Screen takes several power up attempts to fire up


If you hear the hard drive spinning and you think Windows is working but you can't see an image then :-
You could have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :-
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display or appear black.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

May 18, 2009 | Dell Latitude C840 Notebook

1 Answer

Samsung Dlp HL-R7178w not turning On.


If all 3 leds blink, it can be the lamp, ballast (lamp driver), color wheel, or dmd board (all are engine parts = engine failur). its usually the lamp, but you can listen to troubleshoot. when it turns on, you will hear the fans come up (humm..airflow noise), then you will hear the colorwheel (high pitched squeel.. it will come up to speed) and then the ballast will fire up the lamp.. if the lamp doesn't fire, you will hear the spark gap fire (a 1 second buzz noise indicating bad lamp).. the gap will fire 3 times, they tv will then retry again and again until it shuts off and kicks out the error. this power up path will help you listen to find your problem. i can assist further.

Jan 08, 2009 | Samsung Televison & Video

1 Answer

Infocus lamp not firing


more then likely the ballast has gone bad and the lamp is not getting the right voltage to fire. Only other thing you can do is remove the lamp the turn the power on and check the voltage at the connector. This will not check the triggering voltage mine you only the lower operating voltage. But since you have replace the bulb with a known good one I'm betting on the ballast is bad.

Dec 08, 2008 | InFocus Replacement Lamp Projector Lamp...

1 Answer

RCA D52W19 only Blue lamp firing


Shorted Blue picture tube or video ic on blue CRT board.

Sep 01, 2008 | RCA D52W19 52" Rear Projection Television

1 Answer

No pic


I think you can use the Best Buy part. I found a source for that part and they charge $249.

http://www.filron.com/us/index.php?act=viewProd&productId=8160


You might first verify that the lamp is bad before spending $200-250. It could maybe the ballast that fires the lamp, or the color wheel inside.

Check for any loose wires for your video source (input to Toshiba TV)

Mike

Nov 20, 2007 | Toshiba 50HM66 52" Television

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