August 30th, 2020, 11:12 AM
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#1 (permalink)
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Junior Member
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TMEX-C1501 3D6 - battery voltage looks ok...
Hello everyone, i have just been given a TMEX-C1501 for free that has an issue.
When i power the machine up i get a code 3D6 which everyone says is either the CPU battery or the software. So i got a multimeter and tested the 2 batterys on the boards. One tested at 3.1V and the one on the CPU card (that is underneath the USB drive) tested at 2.77V.
I have purchased 2 new batterys, but given these voltages on the board i assume that these are not the cause of the 3D6 issue? And the machine is currently in the corner of a cluttered garage and i dont really have space to be removing the electrical boards inside unless i really, really have to.
Secondly, the machine has been converted from Floppy to USB at some point, i have the original Floppy drive, but when i hook this up i get the code C01 which means "floppy disk drive faulty", if i now hookup the USB drive i get a different message which is B04 which im guessing is because i dont have a USB "installation disk"/program plugged into the USB port?
So firstly, does anyone know if a voltage of 2.77V for the CPU card battery is ok (i.e. are they normally completely dead), and secondly im guessing i need a USB installer program (i see on here people mentioning ex.sys) and i can get this from Tajima UK?
Many thanks everyone!
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