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NO POWER ALL STANDARD COMPONENTS CHECH OK - Projection Televisions

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What is the make and model number of your set? Need that info in order to help you

Posted on Mar 10, 2008

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When hooking up blu ray with hdmi to component converter i get audio but no video just dots and lines on the tv


Hi Joanne
I would suspect the quality of component converter device...

HDMI is the latest state of the art for HD (High Definition 1080) video signal. Poor cables or poor connectors can cause weird results.
It's best to go from HDMI to HDMI.
If the tv doesn't have a HDMI input then it probably can't handle the newer standard.
Component Video is an old standard for video before we got high definition. It uses three separate wires.
Try swapping the coloured wires around to see the result.
Good Luck

HDMI Wikipedia the free encyclopedia

Component video

Sep 13, 2015 | Mitsubishi WS-55313 55" Rear Projection...

1 Answer

My tv turns on !! no picture but has sound ??? Helpppp !!


Likely you have a partial failure of the power board in your TV. If you hear sound, this means that your tuner circuit is running ok, but the picture power has failed. Check the power board for any blown capacitors or other components.

Feb 01, 2015 | Projection Televisions

1 Answer

Will not power on


chech your power slpuy

Nov 20, 2013 | Mitsubishi WD73727 73" HDTV

1 Answer

Hi ; I have SAMSUNG HCN436W and it have no power at all when i power it on I get the timmer light flashing. I was thinking it's the fuse; but I cheched it and it's ok. I was thinking it's


Unsolder both chips and look for pico fuses on that board going to the chips---if set comes on with chips out of the circuit then one o f them is a bad chip.

May 04, 2012 | Samsung HCN436W 43" Rear Projection...

1 Answer

Color problems.red turns to brown while watching programs


chech you boards to see if you have any loose soldering connections that is what my rca was doing and it had blown my fuse replaced it and did the soldering and works like new...

Apr 17, 2010 | RCA HD52W59 HDTV Projection Television

1 Answer

HD TV - Comcast - Samsung TV - "Component 3 not supported mode"


Hello willardlang,

This is because of the type of Component Video being used. Let me explain We got so use to the term RGB to explain component video we for got that there are two standards for component video and they are not compatible. These two standards are Component Analog Video (Y, R-Y, B-Y) and Component Digital Video (Y/Pb/Pr) or (Y/Cb/Cr)

Now, the problem is they never told us the public which one to use and when, they only told us RGB. Now to complicate things, you have have to figure out which one to use. So here is a helpful yet flawed hint:
If the TV was made after 2003 use Component Digital Video (Y/Pb/Pr) or (Y/Cb/Cr)
If the TV was made before 2003 use Component Analog Video (Y, R-Y, B-Y)

Yes this is flawed but for the most part it's good.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

Jul 02, 2009 | Samsung HLN5065W 50" Rear Projection...

1 Answer

Sony color rear video projector tv, videoscope, 1994


first things check the outlet for power.
chech and make shure your surge protector is in the on posishion.
try pluging sumthig else in wer the tv will be pluging into.
at least you know if its the outlet or the tv set.

ok now press the power button on the tv set not the remote.
dose it work.
ok problem solved.

if it did not work you can have a tech see if the internal fusse is good or bad.

i will need the model number to look futher into tech repair.
I will do this for you if you need it done.
thanks.
daniel

Jan 13, 2009 | Sony KP-51WS510 51" Rear Projection...

4 Answers

I have a standard definition, CRT-type, Sharp TV, model no. 32C540. It recently stopped working. It will not power up. Pressing the front panel power switch, or the remote power switch produces nothing...


hmmm...well...you are most likely dealing with a power supply issue..I'd suspect the capacitors, or the actual rectifiers before messing with the control devices..

My recommend..get your hands on a service manual and schematic, before opening up a can of worms on this one.

May 28, 2008 | Sharp Projection Televisions

1 Answer

Blinking red light


Dear Lucked

I would say that you should start by checking your internal fuses that will be located usually nearest the power cord input on the PCB. You will know these fuses because they look like normal plug socket fuses but only are glass. Look for either the bridge recifier (if on a DC signal PCB) or the power transformer that either steps up/ down the voltage to a more manageable median. When you find either of these components, the glass fuses should be fairly close by.

In addition to your question, yes these fuses can blow, but they are designed to save your components from being blown to bits by surges or spikes, even general wear and tear from thermal pressure on the glass can break the fuses.

If the internal glass fuses blow, not all of the time the fuse at your plug socket will blow, but in severe cases this is possible. In order to prevent this from happening in the future, make sure your lekky bits are on a surge protector and you maintain correct gapping/ spacing of your consumer electricals from furniture. On TV sets, you should leave at least a 45mm spacing from your set to furniture. Personal computers should be at least three times this.

If you are good with electronics and are confident that your knowledge is sufficent to overhaul/ replace the convergence chips, then make sure your DISCHARGE ALL COMPONENTS THROUGHLY BEFORE WORKING ON THE SET and ensure you use the correct IC extraction tool and tools for the job, in addition to this, an anti static wrist strap will be of good use in order to prevent you damaging your components by electrostatic discharge. Always place your components on antistatic bags (get these from computer shops) and remember TELEVISION SETS CARRY VERY HIGH VOLTAGES. so treat every component as carefully as your life, and do not attempt to rapid discharge electrolytic capacitors by shorting the terminals, the same applies for the tantalum type. If in doubt, leave the unit for 2 days to thoroughly discharge all mains electricity (unplugged from the wall, and remove the plug so nobody accidently plugs the unit in).

Last of all, GOOD LUCK, AND I HOPE IT GOES WELL FOR YOU

SShould you have a comment or a question, then im on hand here all of the time, so drop me a loggy and i will respond. :)

best wishes

oz

Apr 10, 2008 | Toshiba 51H84 51" Rear Projection...

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