> -----Original Message-----
> From: DSIERRA@telefonica.net [SMTP:DSIERRA@TELEFONICA.NET]
> Sent: Friday, June 13, 2003 3:13 PM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      [EE]: LR3714AM datasheet & xtal
>
> Hi!
>
> I has an old IR remote control which has a LM3714AM from sharp. No
> more on the board than the chip, a couple of caps and a small blue box
> (a xtal?). You can have a look at
>
>    ftp://ftp.iac.es/out/dsg/LR3714AM/chip.png
>    ftp://ftp.iac.es/out/dsg/LR3714AM/xtal.png
>
> (the chip is on one side of the PCB and the caps and blue box on the
> opposite)
>
> The thing is that the two pins blue box has one of them broken. I have
> unsuccesfully search the datasheet of the LR3714AM. I think the box is
> the xtal, but at which freq.?
>
> Any tips?
>
I can't access those images, but the blue component is almost certainly a
ceramic resonator.  Does it have any markings on the package?

Mike


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