W530 Keyboard Types

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PowerPC · #1 Post by **PowerPC** » Sun Mar 16, 2014 9:28 pm

I need help to decipher the abbreviations in the FRU parts list, starting at page 12.

There are these types mentioned: CHY, SRX, LTN, CHY PRIMARY, SRX SECONDARY, LTN SECONDARY.

CHY is obviously Chicony, but what about the other ones?

ansible212 · #2 Post by **ansible212** » Sun Mar 16, 2014 9:42 pm

http://forums.lenovo.com/t5/T400-T500-a ... d-p/840611

PowerPC · #3 Post by **PowerPC** » Sun Mar 16, 2014 9:49 pm

Thank you.

So, Chicony, LiteOn and Shenzen Sunrex Technology. Further searches show me that the W540 dropped Sunrex.

I suspect that Lenovo keeping as a supplier only the company that made the worst and cheapest switches tells me everything I should know about quality. But on the faint hope that I'm overreacting to this, how is the LiteOn quality, since Sunrex is no longer an option?

#4 Post by **Ibthink** » Mon Mar 17, 2014 3:31 am

The SRX keyboards had some quality issues, maybe they were dropped because of that.

As far as I know, the LiteOn keyboards on the new ThinkPads (Tx40 / W540) are considered better than the Chicony keyboards. I myself have the Chicony keyboard in my T440s, which I consider good.

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