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IC TB1238AN faulty, please give us substitute for the same

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Search for the original part number at They want 8.59 for it, plus shipping.

Posted on Oct 13, 2010


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Posted on Jan 02, 2017


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There is no substitution for this Power switching IC.
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There are basically tho type of IC in the TV

Video IC and Sound IC or you can say two section.

since your voice section is affected so there are two possible reasons for that the main sound IC will be faulty


the amplifier IC connected to it will be faulty. So please check with repair person located near your locality and never try to open the TV at home at it contain some parts which will give strong electric shock


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ADCOM GTP500II has faulty IC 901 , I'm assuming 19v regulator , number on device is 9019 . Can you suggest substitute ?

Doubtful that it's 19 volt reg. I've been doing this for 25+ yrs.

How many leads does the IC901 have and are there any other letters on the pkg?


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Dear sir I want to repair my monocrome monitor it has IC LA 7858 defective but this IC is not awailable in local market please give the tecnical support for .Is there any substitute of this IC if not then how I another Monolithic IC Install in liew of LA7858.THANKING YOU.

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Burned amplfier ic

A very simple solution to that , if you have no service manual of your gadget,,try google and search for your model or specify the part ,,eg.. ic , (how mny pins ?) , google could even give you the pin configurations. I already tried this ,,,,, dont hesitate,,nothing will be nil anyway....Second option, try to visit RadioShacks in your area and bring your speakers for better check up or they could give you another substitute part.....good luck...

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