Question about Sony KP-57WS500 57" Rear Projection Television

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Audio problem with Sony Kp-43t75

Ok, there's the problem. I don't have audio on my tv. It was given to us b/c the blue tube needs replaced. It's not the speakers, I've tested them. When the cable isn't plugged into the tv, it makes a weird noise, like it's trying to make the staic noise but can't.what could be wrong and how can I fix it?

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Check multiple sources, this will confirm it the problem is before or after your audio switch. If the problem is on all inputs, you may need an new audio IC. It is the heatsinked IC right next to where the speakers plug into the A board.

Posted on Dec 07, 2008

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Posted on Jan 02, 2017

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1 Answer

I have a Samsung LE40B650T2 - no sound direct from the TV


It sounds that the sound processing section [digital circuts] are working well, and the fault must be either to the speakers, settings or to analogue audio amplifier section. Make sure that the Mute function is OFF. If it is OFF, and still you do not get audio output by tV speakers, surely the fault must be to audio amplifier circuits, provided speakers are OK. If your TV has a headphone out socket, this socket should also checked for proper interconnection.

Jun 24, 2012 | Samsung LE40B650T2 40 in. Full HD Crystal...

1 Answer

How Do I fix the convergence on my 2001 Hitachi Projection Tv


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
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77ea520.jpg
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Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos aroundimages.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Jan 05, 2012 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

No sound


Hello
First check whether sound control has been muted or not. If muted, as you know, there will be no output from the speakers. If not muted, and still no sound, there are two possibilities. The first one is of speaker, and the second one is with the audio output IC inside the circuit
Check its speaker first. you can check the speakers with the help of a multimeter, of with a torch cell. If speakers are found OK, and still there is no sound output, the audio output IC is faulty and shoul be replaced with same number . The number of the audio output IC for your tV is [TA8265K]. This IC can be located at the main board of your tV. If you have eneough knoledge and tools to do the job, you can replace it at home.
If you want anymore assistance from me, inform me by FixYa comment box. I've all the repair details about your tV with me. OK.

Dec 17, 2011 | Toshiba 36A61 36" TV

1 Answer

JVC HD-56G886 56 in. Rear Projection HDTV, Serial Number 11082188. Sound just suddenly went out. We purchased it 6 years old and had a 5 yr. warranty. Right, now we need it, it's not covered. We...


Hi Edwin Robinson,

First of all thank you for contacting Fixya.com regarding your TV problem.

You didn't mentioned if the symptoms remain the same in all inputs, this is to isolate the AV board from fault. If you are using HDMI connection, I would advice you to try the other inputs like input 1-3 at the rear panel and the Audio/Video input at the side panel using the RCA cables. If there's no sound after trying other inputs, then this is an indication that the fault is in the audio circuitry inside the TV.



The DIY steps that I would advice you is to check the resistance of the internal speakers using the multimeter set in resistance measurement. Good speakers will read between 6-8 ohms (for 8 ohms impedance) and you can hear a crackling sound upon testing.

How to test speakers








RCA Cable Connector

12_7_2011_12_26_44_am.jpg

If the speakers are in good condition then the fault either the supply voltage line of the audio circuitry from the power supply board, the audio processor on the main board or the sound output circuitry. This require technical skills because series of test are going to perform to isolate where the fault came from.


Immediate solution.

You can still watch your favorite channel and movies to your TV while the sound is playing through your home theater system or amplifier. Just hooked up the video to your TV terminal jack and the sound/audio to your home theater system or amplifier to bypass the sound from your TV.


Please let me know if you need further assistance.

Have a nice day and take care!

Kind Regards,

Jdvillanueva

Dec 06, 2011 | JVC HD-56G886 56" Rear Projection HDTV

1 Answer

I was given this model tv. The green and red lights on the front are flashing. Says to replace bulb and close lamp cover correctly. I am missing the lamp cover. Is that going to be a problem?


U mean the Lamp door cover?Yes?Tv might work,might not.Don't know never tries to turn the tv on before without a Lamp door cover close before.There is a blue safety switch though must be press down when the Lamp door cover is close.Test it out.Why don't u just take a piece of tape and tape that blue safety switch down tightly,than turn on the tv.If the tv message that said close lamp cover correctly disappear.Than yes the tv will work,without the lamp cover closed.Now u just needed to do a replacement of the tv projection lamp only that all.

Sep 24, 2011 | Toshiba 62HM95 62" HDTV

1 Answer

Can't get tv audio through my Philips HTS3510.


Here is the user manual and quick start guide:
http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?slg=en&scy=ph&ctn=HTS3510/98

Be sure your connections are correct.

Press AUDIO SOURCE repeatedly to select
the audio output of the connected device (TV)

There could be audio settings on your TV which you can select only Internal or only external speakers or both. Be sure the setting is correct on your TV.

Be sure your TV and your HTS3510 are not set to "mute"... Don't laugh... I've done it before...

Jun 09, 2011 | Philips Televison & Video

1 Answer

No sound


Hello
You haven't mentioned about the picture at all. Assuming that, picture is ok I suggests. Ok
If the picture is Ok and there is no sound output from the speaker, your TV has either speaker problem or output Ic problem. To assure where is the fault, you just place your ear very near to the TVs speaker side, and switch on the TV. If you hear a "thumb" sound or a "HUM" sound, your TVs output ic has blown out. If you did not hear any sound at all, the speaker of your TV has gone.
If you have a little knowledge in electronics, you can do it by yoursef. This is a minor mistake. Opwen the back cover of your TV, locate and note the type and number of the audio output Ic, go for that and get it replaced; if the fault is related to Ic. You can do the speaker replacement also by this way. I have given this much advice, assuming that picture in your TV is Ok. Otherwise the fault may be different.

Oct 20, 2010 | Bush Televison & Video

2 Answers

I have a VS-526r,VE-526r television and the blue bulb appears larger than the other colors. Any suggestions?


is uot of focus try to adjust or need blue tube replaced ptv is old model tubes no longer available

Jun 12, 2009 | Televison & Video

1 Answer

Tv has bad blue crt (pix tube) said the repairman


blue tube is very common on this type of tv, His prices are very fair.My concern is the other tubes i usually could tell if the other tubes looked ok. If he says they seem fine.And you like this tv it is worth fixing. Make sure if you do say yes you get a 1 year warr on tube and a warr on labor,

Im not sure if you got price with yoke assy to or just tube. It is very hard to put yoke in tube and have it adjust properly. make sure when you talk to him it
is a new tube and yoke assy , If not dont fix.


thanks doctor video ladingedgeelectronics.

May 08, 2008 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Connecting bose 321 system to lg hd flat screen,bose receiver plays fm am ok threw speakers.tv will not play threw bose speakers.bose dvd plays sound ,but no picture


You will need a Component Video Cable
Connect the Red Green and Blue Connections from the TV to the Bose.

if your audio is coming from the TV, also connect stereo audio from the TV's audio out to the "TV" input on the bose.

if you want to hook up other devices (VCR, BluRay, etc) the video will go directly to the TV and audio will go directly to the Bose

Jan 18, 2008 | Bose Cinemate Digital Home Theater System...

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