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Datasheet for FG209M2 Fluorescent Display

Miguel Lopez

Jan 25, 2012
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Hi everybody

I would like to find the datasheet for al old FG209M2 fluorecent display. I retrieved from al old pHmeter, and it looks OK. The getter is still black, so it seems that it has not lost the vacuum.

I searched for a while on Google, but I found nothing about the datasheet. I couldn't access (by some unkonwn reason) the page at radiomuseum.org, maybe there is something there.

Can anybody help me to get the datasheet of this device?

Thanks in advance.
 

davenn

Moderator
Sep 5, 2009
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seems to be a difficult one

I even signed up to 2 places promising datasheets only to find they don't :(
 

Martaine2005

May 12, 2015
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Ok dave, understood.
I will continue my search for him.
Can someone confirm that this is:
Noritake Itron FG209M2 8"x1" vfd?

Martin
 

Martaine2005

May 12, 2015
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Hi Miguel,
Sorry, the best I can do at the moment is this
here
It's a start though.
Martin
 

Miguel Lopez

Jan 25, 2012
255
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255
As it seems very hard to get the datasheet, I thought that I could find the info in the schematic of the device which used this display......and I founded. In our library we have the schematic of the Radiometer PHM83 pHmeter. And here is the info that I found:

Pins 1, 18 Heater (6,3V AC)

Pin - Segment
14 - h
13 - g
12 - f
15 - e
17 - d
16 - c
11 - b
10 - a
7 - n
6 - m
5 - l
9 - k
4 - j
8 - i
2 - comma
3 - decimal point

Pin - Digit
19 - 1
20 - 2
21 - 3
22 - 4
23 - 5
24 - 6
25 - 7
26 - 8
27 - 9
28 - 10
29 - 11
30 - 12
31 - 13
32 - 14
33 - 15
34 - 16
35 - 17
36 - 18
37 - 19
38 - 20

I will take some pictures of the schematic to be posted here. It is very big for scanning.
 

Miguel Lopez

Jan 25, 2012
255
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Jan 25, 2012
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255
Here some photos that I took to the schematic. Hope you find them useful.
 

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mash_rishi

Dec 25, 2020
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FG209M2_14Seg.JPG
 
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