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> Mysterious Contacts Besides The Battery, What are the 6 contact used for ?
thseiler
post Apr 25 2005, 08:25 AM
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Hi

If I open the Battery compartiment of my SL-C760, I can see 6 contacs, just beside the battery.
Does anyone know what these contacts are used for and what they have for a pinout ?

Thanks
Thomas
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kahm
post Apr 25 2005, 08:30 AM
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I think that's for the mysterious "JTAG" support, which is an industrial diagnostics standard.

I suspect that it isn't much use to home hobbyists.
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thseiler
post Apr 25 2005, 09:12 AM
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QUOTE(kahm @ Apr 25 2005, 04:30 PM)
I think that's for the mysterious "JTAG" support, which is an industrial diagnostics standard.


I hoped it would be a kind of serial port (I thought that JTAG had 7 signals + GND, hasn't it ?)

QUOTE
I suspect that it isn't much use to home hobbyists.


Sigh, yes it isn't. A Serial Port OTOH would be...
I have just found about a bluetooth module supporting H4 (3,3volt level), fitting in the space between the white battery cover and the SL-c760 and, best its available in single quantities. To bad..

Anyway thanks for clarifiying this.
Thomas
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TRIsoft
post Apr 25 2005, 11:52 AM
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Hi everyone,

the contact pads are no secret i/o stuff, it's called
a checkpad and we know it since the SL-5000.

Attached File  checkpad.bmp ( 25.84K ) Number of downloads: 252


The JTAG interface is included via the SHARP I/O port:

Attached File  jtag.bmp ( 19.79K ) Number of downloads: 204


The JTAG cable should be available via SHARP parts
service. The part # is : OIU-PLGWB9727

Both pictures taken from SHARPs technical documentation.
It's available under the part# 00ZSL5500SM/E . This is
the service manual for the SL-5500 series. I don't know
how it's in the US, here in Europe all tech information is
available for everyone (OK, you have to pay for it).

///TRIsoft

Marc Stephan
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thseiler
post Apr 27 2005, 12:22 PM
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Hi Mr. Stephan

QUOTE(TRIsoft @ Apr 25 2005, 07:52 PM)
the contact pads are no secret i/o stuff, it's called
a checkpad and we know it since the SL-5000.


Ok, so these are only checkpads for the voltage regulators. Thanks for the info.
Do you think one can draw a few (~60) milliamps of power from these contacts ?

Best Regards
Thomas


BTW: Thank you for the nice repair work on my C760. Its like new !
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Hrw
post May 5 2005, 12:33 PM
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QUOTE(TRIsoft @ Apr 25 2005, 09:52 PM)
This is the service manual for the SL-5500 series. I don't know how it's in the US, here in Europe all tech information is available for everyone (OK, you have to pay for it).
*


How much for it?
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TRIsoft
post May 5 2005, 01:54 PM
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QUOTE(Hrw @ May 5 2005, 09:33 PM)
How much for it? Maybe that help with writing 2.6 kernel for collie...
*

Hrw,
i don't know what they will charge for.
It's available online for free for SHARP service
dealers via the intranet.
Enduser source for documentations here in Germany is:

Lange oHG
Schaltungsdienst
Zehrensdorfer Stra├če 11

D - 12277 Berlin
English homepage

Normally it's between 10-20 EUR.

@Thomas: Sorry, haven't noticed your question.
I wouldn't use these contacts to power anything.
We also don't have documentation about the
SL-C760, but experience shows that SHARP will
not make big changes if something established.
So we could expect that the pads will work like
in the previous models.

///TRIsoft

Marc Stephan
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