Fisher 1212X

[geminis74]

anyone can publish the scheme of 1212X.
thanks in advance

[getsa]

Here it is!

[geminis74]

thank you very much, also has the pcb?

[kt315]

Fisher 1212x the schematic

[Qiaozhi]

Thanks for posting. I thought I had this schematic somewhere but couldn't find it.

[smity]

PCB

Checked up PCB is? Who can made this instrument? Respond (results, tests, difficulties...) In advance many thanks.

[chemelec]

Fisher 1212x the schematic

What is a "202051" IC?
Custom Made In-House Part?

[geminis74]

Today, I bought one for 75 €, expected shortly.
when you have it, put photos.
just bought it to experiment, and understanding of MD
[IMG]URL=http://img33.imageshack.us/i/eurodetecionsh008cr.jpg/][/URL][/IMG]

[smity]

For Geminis74

The good fellow geminis74!!! You have made a noble act. Write in detail about instrument operation (range, discrimination...) Make please a photo of interiors and write marking of chips. In advance I thank.

[geminis74]

ufffff .... that quickly, I have it, that joy, this brand new unused.
I can not do tests here, but send some photos, enjoy ¡¡¡¡¡
[IMG] Uploaded with ImageShack.us[/IMG]

[kt315]

thanks geminis74. seems like due first schematic, that was in PDF.

[smity]

for geminis74

Make please video of operation 1212x, and copy marking of transistors and chips.