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Old 10th December 2011, 09:13 PM   #1
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Join Date: Sep 2006
Default Nesa Video Screen

I got this in for repair.. I opened it up and noticed there a surface mount transistor or diode which is burnt up..


The markings are HY and below that is 431

I looked on The SMD codebook but its not on there..

Anyone know the value of it ?
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Old 11th December 2011, 02:30 AM   #2
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I believe its a 2SA1203 transistor..

Heres the datasheet for it is there a good sub?
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File Type: pdf datasheet.pdf (115.6 KB, 2 views)
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Old 11th December 2011, 03:27 AM   #3
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Location: Louisiana
It may work but the description of the markings (431 'under' HY) likely means that it's not the same part. The following looks like what you described.
http://oldwww.kec.co.kr/data/databoo...ng/KTA1663.pdf

This time, the specs are the same but that's not always true between manufacturers. Since they are the same, the KSA1203 should be a good sub.
http://media.digikey.com/pdf/Data%20...Fs/ksa1203.pdf
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