TG1 Meter Problem

Hey guys,

can anybody help me here?


I have tried any number of 1mA meters with the Fester Tg1 and can't get them to fully deflect.

I have tried Igors shunt fix ( attached ) and it won't work! I am however not using the Hairball sifam SSL meter 1mA thing. Just using a 1mA meter.

Is there anything I can do to get a 1mA meter working in place of the 2.4mA meter required?


Thanks if anyone can help

TG1 schematic ( original )

Change "22R" to 220 Ohms.

Thanks PRR,

do you mean R22 which is 7K5? or change 22R? I can't find a value on the circuit valued at 22ohms.

You must mean R22 right?


Thanks in advance


Michael

He must be talking about the 22R on the picture you attached...

thanks guys,


yeah i used a 500R pot in place of the 22R and 200R trimmer and it actually made the meter less sensitive.


The shunt fix is not loving my meters. Whatever i do with it. I have the + and - around the right way naturally.


I was hoping there was part of the actual circuit i could modify but maybe not .

regards


Michael