Question about Panasonic CT-27G7 27" TV

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Slight crackle on left speaker if turn volume up

Technics su-610 slight crackle on left speaker if turn volume up quickly if turn up slowly does not do it, and once volume set does not miss a beat and sounds great only does this when loud button is on, if loud button is turnt off does not do it at all

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The speaker is bad when you set the loud button on, you're putting more pressure on the speaker beacuse its bad it wll make that crackle sound. My advice change it.

Posted on Mar 03, 2009

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I am having problems with our daughter's tv. The volume isnt working now even though the picture is fine?


Have you looked at the headphone jack? Sometimes a set is left plugged in and sound wil not come out of speakers.

Also, look at cable box. It can sometimes have a separate volume control.

last, if you plug in a set of headphones and you hear sound, pick up a pair of inexpensive powered speakers and use those.

Jul 10, 2014 | Bush 5693D 24" TV

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RCA Guide Plus Gold Gemstar 27 inch Entertainment Series has perfect picture no sound. The speakers are ok have tested them. When tv is turned on and dvd player is on shows perfect picture but can only...


On the left hand side of the remote control there is a blue or diferent kind of small sercle round buton (mute) push it once and turn the volume up till you hear the volume.

Nov 06, 2009 | RCA Standard (CRT) Televisions

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Sound fluxuates,crackling sound samsungTX-R3079WH sound goes up and down automaticly


If the sound FLUCTUATES up & down, try turning off the AutoVolume in the sound menu. You didn't say if it's one or all speakers crackling. Crackling is either a speaker or circuitry issue. Adjust the balance away from the speaker that crackles, if it stops, that speaker is probably "fried". If it still crackles, I'd turn off the speakers and run the sound thru a stereo for the quick, cheap fix. My Samsung (10+ years old to be fair) crackles due to a circuit issue but if I SMACK the left side speaker (behind which is the sound board and side panel connectors) it stops for a while. Maddening. I think I broke it squeezing it into the furniture it's in, pressing on the protruding RCA plugs. Dumb design.

Aug 15, 2009 | Samsung SlimFit TX-S2783 TV

1 Answer

Sound crackle on warmup, now no sound at all


Turn your volume up slowly if you can hear audio. If no audio at all. Could be loose/cut wiring on the speakers.If both speakers are dead could be fault on amplifier side.


Apr 04, 2009 | Standard (CRT) Televisions

1 Answer

Picture won't come on


1. See the ugly red color bands on the television set? These can also occur in blue and green. We're going to fix these!
1_sony_convergence_red_lines_bands_projection_tv_problem.jpg
2. Front shot of the television. Their are two screw holes on the front of the unit near the edge of each side right next to the speaker grille.
2_sony_projection_tv_front_screw_locations.jpg

3. Close up shot of the screw hold. It is covered by a plastic cover that has two tabs holding it in. Carefully pry them out with your flat head screwdriver. Do not apply too much pressure or you can break the tabs off. Once the covers are removed, unscrew the two screws with a Philips screwdriver.
3_sony_projection_tv_repair_screws_1.jpg
4. To remove the cover, pull from the bottom of the front case and rotate towards you. Once you rotate it out, the top will disconnect and come loose. Do not pull it off, as there are cords attached. (see picture) Loosen the cables attached with the twist ties and set the front cover to the left side.
4_sony_projection_tv_cover_off.jpg

5. With the speaker grille and cover removed, you now need to remove the wood panel to expose the inner electronics on your Sony HD TV. To do this, remove the four Philips head screws from the panel. Then, pulling from the right, rotate the panel off and the electronics will be exposed.
5_projection_tv_cover_guns_tubes.jpg

6. This is a picture of the inner electronics of your Sony Rear-Projection High Definition television. The little black box towards the front of the unit is where we will concentrate our time as it is the control for the voltage & convergence adjustment.
6_voltage_projection_red_blue_green.jpg

7. When focused in on the controls, you want to concentrate on the bottom row for the voltage / ray gun projection adjustment. The colors are labeled below and from left to right are blue, green, and red. Choose the one that needs to be adjusted and turn ever so slightly with your Philips screwdriver to remove the lines. In my case, the red just needed to be turned 1/8 of a rotation to be back in adjustment. Do not turn to quickly or abruptly or you could possibly damage your TV by varying the voltage too quickly.
7_red_blue_green_voltage_band_adjustment.jpg

Mar 24, 2009 | Sony FD Trinitron WEGA KV-30XBR910 30" TV

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Display color changed from green/ white now to Red and blue?


Hi and welcome to FixYa,

Your described problem is as you suspected, the green is missing. This is a common failure and is technically an easy/quick repair. Almost always, the culprit would be a cold solder or a faulty color drive transistor/IC. They would be located on the small squarish PCB (printed circuit board) at the very rear of the tube. Of course, worst case scenario would be a faulty CRT (picture tube), but that would be least likely.

Corrective measure would then be initially re-soldering above describe solder joints and/or replacing faulty transistor/IC.

Good luck and thank you for using FixYa.

Feb 21, 2009 | JVC AV-27530 27" TV

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Snap, crackle sound from Sanyo TV


It sounds to me as if possibly ya Main IC Amp Chip & OR the Output Capacitors are failing... Sometimes it is a sign of a power supply on it's way out... Either way it's time for a repair shop quote. Either that or it may be the speakers crossovers... to check this, if you can, try another set of speaker... see if problem is still there. If it IS, then it IS most probably as I said above.. If NOT then it may be one or both of the "Crossover Network" in each speaker...

Sep 01, 2007 | Sanyo AVM-3659S 36" TV

1 Answer

Green blur bot-R and up-L corner and no audio


If a standard TV has color splotches in 1 or 2 corners of the screen, it is possible that a large magnet, such as a large speaker, is or was near the set and has magnetized the picture tube. The set has a built-in degaussing coil but it is small and will only demagnetize small magnetic fields. Make sure there are no magnets near the set and if the colors are still off, have the picture tube demagnetized with a strong portable demagnetizer. As for the audio, when there are audio output jacks on the back of the set then there is usually an option to turn the speakers off. Some sets have a switch somewhere and some sets have a setting in the audio page of the on-screen menu. Look for a switch or go into the menu, navigate to the audio page and look for a speaker setting (ON / OFF) and make sure the speakers are set to ON.

Aug 28, 2007 | Konka K2386U 23" TV

1 Answer

Crackle noise and hissing - panasonic


solder all around the flyback area if this not resolve the problem replace the flyback

Nov 26, 2006 | Panasonic CT-32D12D 32" TV

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