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1
Out of Production Hardware / Re: Protrack I K45 Relay
« Last post by admin on December 29, 2021, 09:34:00 am »
Check the range resistors on the ProTrack input circuitry. Damage to these is the common problem we see.
Thanks.
Admin
2
Out of Production Hardware / Re: Protrack I K45 Relay
« Last post by fetron on December 27, 2021, 11:17:49 pm »
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Out of Production Hardware / Re: Protrack I K45 Relay
« Last post by gulfway on December 27, 2021, 08:42:14 pm »
I have reprogrammed the unit , still no luck .
The unit in stand alone mode display this as pictured .
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Out of Production Hardware / Re: Protrack I K45 Relay
« Last post by fetron on December 22, 2021, 11:10:37 pm »
Try reprogramming the Flash Prom on the ProTrack.

Does it work well when used in desktop mode (without a workstation)?
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Out of Production Hardware / Re: Protrack I K45 Relay
« Last post by gulfway on December 22, 2021, 01:33:54 pm »
I have replaced all of the relays , listed in the report and still getting the same error.
Any thoughts ?

Have enclosed the complete report file.
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Out of Production Hardware / Re: Protrack I K45 Relay
« Last post by gulfway on December 17, 2021, 07:39:21 am »
fetron

Thank You , looks as I need to get my eyes checked

gulfway
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Out of Production Hardware / Re: Protrack I K45 Relay
« Last post by fetron on December 17, 2021, 04:55:51 am »
serial number KJ3 version: Starting around the front "A" channel corner: 
K33 relay (channel A is short to channel B),
K34 relay (channel A is short to GND),
K35 relay (channel A input relay - front banana socket),
K45 relay (channel B input relay - front banana socket),
K36 relay (channel B is short to GND).

They are located under the CRT.


serial number KJ2 version: Starting around the front "A" channel corner: 
K33 relay
K34 relay (channel A is short to GND)
K35 relay (channel A input relay - front banana socket) (double pole single throw contact)
K36 relay (channel B is short to GND)

K45 relay (channel B input relay - front banana socket) maybe soldering side?)

They are located under the CRT.
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Out of Production Hardware / Protrack I K45 Relay
« Last post by gulfway on December 16, 2021, 04:51:51 pm »
Hello

Can anyone tell me where the K45 relay is located on the main Board , I have located the other three any help would be great.

Thanks

Gulfway
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Perhaps if someone else has one of these old Trackers they could use this inexpensive Universal Programmers to copy the program if that is possible?
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Try as I may, I have not been able to locate the the program file for this IC. My apologies.
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