My problems started with a high voltage sound that was so loud you couldnt hear over it. I could turn off the television for 30 minutes or so, turn it back on, and it would be fine for a while. The sound ended up going out all together. Then the blue started going out. Seemed like all I had was redish/green screen, but the images were fine. Today I have only black and white, with still no sound. Is this something anyone can help me with or do I need to go shopping for a new one? Thanks in advance for any help. ___J.A.
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Re: PCL5415R NO COLOR OR SOUND
On the secondary side of the horizontal output stage flyback transformer, they have a secondary supply output. This output comes off from a number of windings in the flyback transformer. These feed individual sets of high speed rectifiers and then they are filtered with electolytic capcitors. Some of these outputs also feed voltage regulators where regulation is required. Briefly, most likely there is a failure in this section and therefore a supply voltage is missing that is used to run the sound processing and colour demodulation.
If the voltage went too high for any instant from the failed voltage sources before they failed completely, there is a possiblity that other damage in the sound and colour processor sections.
I would suggest to take the TV in for an estimate to see if it is feasible to service. If it is only a number of capacitors and maybe a some high speed diodes and voltage regulators that have to be changed, most of the cost will be for the labour.
First get an estimate for the repair. Considering the age of the set, it may pay to get a new one.
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If it happens only at the moment of turn on that may be normal--the high voltage will make a sound when it comes up.
If it is persistent or very loud it is time to turn the set off--this model does have one issue that may be what you are hearing---there is a high voltage splitter block in the set that does arc--a bit hard to get at.
Let me know if further info on what is happening. A crackling sound is a bit general.
When the color wheel starts to go there is a high pitched whinning sound, the humming could be from the light engine or ballast, which may or may not be related to the color wheel. I would have to see it and test things for a correct diagnoses, but it does at least sound like a color wheel in the last moments of its life
The loud pop you hear is a spark gap being jumped. That might happen once an awhile naturally due to a voltage spike but if it's happening regularly chances are something needs replacing. Capacitors are prime suspects for aging, in fact when a capacitor(big one) blows it sounds just like that.
Hi,sounds like you might be experimenting a color wheel problem.The color wheel is a rotating disc that has a gamma of colors it spins at high rpms.The light of the lamp goes through it to create the colors on your tv.When it starts to go bad you will get color distortion ,black and white picture and sometimes you will hear humming noises.Your part # is BP96-00250A You can find it here http://www.discount-merchant.com/Samsung-BP96-00250A-ColorWheel-Assembly-p/bp96-00250a-color-wheel.htm?Click=48173 and here's the instructions to replace it : http://www.fixyourdlp.com/guides/samsung/bp96-01579a.php Have a bless one!
This sounds like you may have a bad color wheel. If you want to change this yourself you need to be aware that even with the tv unplugged there are still dangerous voltages in the set. Changing the color wheel is an involved repair the wheel it's self is very fragile to handle, they can be purchased on line from many sources.
The cost from a service center would be a normal service charge plus about $150.00 for a color wheel. If you have a service center come out to your house explain your problem clearly and they will know they need to bring a color wheel, it will prevent the tech from having to make a second visit.
Thus the line connected to a surge protector or some kind of line protector. This can be consider.
Or if this is a crt type tv. This could be a fault on high voltage section. Horizontal output transistor or flyback. But check also for loose connection/solder crack. That clicking sound may be the relay in action.
do u hear any high voltage static when you first turn on. possible high voltage problem with the high voltage splitter or focus pack. ussally when there a problem with these high voltage is being generated but not delevered to the tubes
If it isn't too late, read this; I just posted it to another:
"You are losing high voltage; if you sniff around the top or back of the set, you may smell ozone.
Pull the AC plug on the set overnight, remove the few screws holding the rear housing on, use a CLEAN (or new cheap) paint brush and if you have a vacuum with a hose, bring it along too.
The CRT (picture tube) will be nasty, full of dust that is picking up moisture and creating a path for the high voltage to discharge and you need to clean it with the brush and it's better if you hold the vacuum hose close by so you can **** up the dust loosened by the brush.
If you clean it well (dry, not wet), the problem should be gone."
In your case, the shutdown is caused by a protective circuit that is activating when the HV arcs.
Repeating this will eventually cause a complete failure.
Turn down the volume and see if you still hear it,a loud pop or snap could be high voltage call your servicer in your area ASAP
while its under warranty and have him check the high voltage circuits for a intermittenting pop or snap.And have the model # ready!! Good Luck!