ICDU-40 Schematics

MikeW · Joined: 15 Sep 2003 Posts: 184 Location: Warrington UK

Please please please CCS, will you release the schematic of the ICDU-40.

Since it is now obsolete, you wont be losing revenue.

I also assume that the code in the PIC was protected anyway.

I am in France, and have a broken unit, which despite trying to fix, just won't work properly.

The schematics would give me a chance of scoping the components, and then give a good guess at the expected voltage levels etc.

I tried blindly changing transistors, but whilst it sort of works on some types of PIC, it just wont work on others ( fails on the bigger chips which I assume need more programming uuummmppphhh ).

Its been broken for 2 years, and I would like to get it working again

Mike

PCM programmer · Joined: 06 Sep 2003 Posts: 21708

I found a schematic quickly by using Google. Just search for it.
Search for this:

MikeW · Joined: 15 Sep 2003 Posts: 184 Location: Warrington UK

PCM programmer,

once again yo de man

I just never thought to google as it is of course proprietry

many thanks

Mike

MikeW · Joined: 15 Sep 2003 Posts: 184 Location: Warrington UK

still no joy.

I am getting close to throwing it in the bin.

the link on google, are for knock off homebrew stuff.

I dont want to build one, i want to fix my broken one !!!!

its a rev5C board, and the diagnostics show that the PIC18F252 is responding with icd unit passes the tests.

Vdd is ok, Vpp is ok,

it seems to be the clock and data outputs not doing anything looking with a scope.

I have emailed ccs, but we all know what they are like

I live in France, so its just not worth me sending it back.

Mike