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The picture on my TV is great. My problem is with the sound. When I turn on the TV, the picture comes on without the sound. In about 30 minutes, the sound comes on intermitenly. After a few more minutes, the sound comes on normally and stays on until I turn the TV off. If I turn it off while the sound is normal and then turn it right back on, the sound remains normal.

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  • michaeltymch Mar 06, 2009

    What are the "ic connections on the main board"?

  • michaeltymch Mar 07, 2009

    My TV is Mitsubishi, Model CS-35403, approximately 14 years old. Tried unplugging the TV from the wall outlet for 30 hours. No luck, sound still doesn't come on fully until the picture is on for about 45 minutes.

    Any other suggestions? Thank you. MT

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That is usually a problem due to a broke solder joint (lose contact due to soldering broken) on the audio board inside the tv. The repair will cost about $150, but honestly, on a 15 years old crt , the repair is not really worth.

The TV is coming to the end of its service life, and this kind of troubles are normal on a 14 years tv set.

If you find a cheap local reapairer that do the job for less than 100 pounds it may still be worth repairing, but you risk an additional fault afterward, due to the age of the TV.

You can find replacements here.

Posted on Mar 07, 2009

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Its the problem of ic number I323 OR I357 on main board which controls sound.that ic needs to be replaced to make the sound proper.as the ic is getting overheated and got internally weak.so not supporting the main board properly.replace the ic and it will work properly.

Posted on Mar 07, 2009

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Hi,
As you said its 14 years old TV so I'm sure it has few weak capacitors, especially in power supply, deflection section and audio section.
Please replace capacitors those are leaky or their plastic jacket shrinked.

Posted on Mar 07, 2009

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IC connections, also knows as Jungle IC's is the chip that controls most of your video.

Posted on Mar 06, 2009

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There is an "almost" connection inside the set. When components heat up, they expand and complete the connection. In your case, this takes about 30 minutes. Then when you turn the set off and back on, it is already warm, and contact is being made between the two pieces that are not connecting when the set is cold.

If you're comfortable with this, you can try to make sure certain all the pieces are connecting properly. Otherwise you will want to get your set to a qualified service center.

Posted on Mar 06, 2009

  • Damon Gray
    Damon Gray Mar 06, 2009

    What mradviser, Shadow and I are talking about is a bad solder, or perhaps an EEPROM that plugs into a socket but which is not making a good connection until the set warms up. Sometimes you can just gently (but firumly) press on the top of these chips and get them seated more firmly into the socket. If it is a bad solder, you need to be REAL comfortable with that sort of work in order to reheat and correct the badly soldered connection. Otherwise, you do need to take the set to a qualified repair shop.

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Unplug the set from the wall outlet overnight. Plug it back in, in the morning and test to see. This should reset the set back to factory defaults and should get rid of the sound problem as long as there is nothing internally wrong with the set.

Posted on Mar 06, 2009

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This is the problem with the ic connections on main board.plse get it checked from a tech to solve the problem.

Posted on Mar 06, 2009

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