From yahoo Sent Tue, Nov 24th 2015, 11:04
From yahoo Sent Tue, Nov 24th 2015, 11:04
> thank you all soooo much for your replies. they have been very helpful and i am obliged to all of you.
>
> so, after what Dieter said, if my A-190-1 is an early model there is danger, but if it is a later version there is no
> danger at all. i checked the module, and at the back it says "gepruft MM 9/13". can this help, or should i check anything else?
Please look at the main pc board of the module. Above the 16 pin bus connector there is a note "REMOVE IF NOT REQU. ON BUS" that
refers to two jumpers labelled GATE and CV1. There are 3 possibilities:
a blank wire is installed for GATE: then it's the old version of the A-190-1
a resistor (220 Ohm) is installed for GATE: then it's the new version of the A-190-1 (with protection resistor)
the GATE jumper is missing or interrupted: then there is no connection to the Bus
Best wishes
Dieter Doepfer
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