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Audioniek
20.08.2020, 05:13
Can anybody tell me where the JTAG connector in Pace HDS7241 is and what the connections are? I suspect that the non-standard PL5000 field on the mainboard is the one, but an Internet search does not provide an answer.

Thanks in advance.

Audioniek.

pop1234
25.08.2020, 20:49
did you see comments from 28 to 32
http://www.avi-plus.com/repair-tips-forum/miscellaneous-software/others/st40-stb71xx-jtag-interfacing/page-28.html

Audioniek
26.08.2020, 14:55
Yes, I did find that one some time ago. However it does not tell anywhere what the pin out of PL5000 is and for some reason in the following posts a lot of people ask for the pin out of the STi7105, which I do have but does not help, as you can not measure below a BGA package and it is a multilayer PCB.

Regards,

Audioniek.

pop1234
26.08.2020, 22:58
https://www.datasheetarchive.com/pdf/download.php?id=9518f9afc40e5b3bc8d4676b773e1edf1b 7d92&type=P&term=JTAG%2520STi7105
http://www.avi-plus.com/repair-tips-forum/miscellaneous-software/others/sti71xx-jtag-pinout.html
http://www.usbjtag.com/vbforum/showthread.php?p=48907

Audioniek
30.08.2020, 16:26
Thank you, but this info handles the standard 10 and 20 pin connectors. Pace uses a 12 pole PCB field at PL5000, with a pinout I am looking for. The ground pins I have found, now the other ones...

Regards,

Audioniek.

Audioniek
25.10.2020, 15:36
Although somebody has provided me with the information I was looking for (so this thread can be closed), it does not help us much as the Pace has an Soc soldered in of which the JTAG is disabled. This means you have to replace the SoC to be able to use JTAG.

Thank you everybody for your efforts.

Regards,

Audioniek.