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Original post by: dbcamaro69 ,

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I have done extensive Ipod repairs for the 1st generation through to the 4th. I can tell you from experience that the backlight is not in the LCD. I am also an electrical engineer, so what I am telling you is not b.s. The 2nd and 3rd gen Ipods for the 8gb and 16gb use a JL9 or a 109B/109H backlight. Look that up on ebay, under iphone backlight. cheap part, you need an air knife to replay the IC though because the IC is a surface mount technology (SMD) type and there are two pads under the IC that need to be soldered and cant be reached except by hot air. Now the 32gb and the 64 gb version of the 2nd and 3rd Gen Ipods use a different Backlight ic from the Iphone 4 or 4s. The part number is 1TN. It is slightly smaller than the 109B/109H production line but still functions the same. The 109B/109H are located near the bottom left of the motherboard, and the 1TN is located under the steel casing on the back of the motherboard on the top right hand side. You must pull the steel up in the corner to reveil the IC. Hope this helps and clears up any confusion you may have had in the past.

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