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Tube pinout question
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El Duderino



Joined: 23 Jan 2011
Posts: 4653
Location: Portland, OR

Posted: Sat Jan 05, 2019 1:36 am    Post subject:
km987654 wrote:
No I have not but I suspect the full brightness is caused by NO G1.

Here are two neck cards of two 9" Sony tubes. If you look very closely at the SD146a neck card you can see it is labeled and has pin 9 connected to g1 (pin 4 is lower right and pin 5 is labeled g2). If you look at BG808s neck card you can see pin 9 is not connected. Sorry I cannot put label on picture at the moment.


Perhaps it's just camera / lighting artifacts, but several of the solder fillets on the SD146 image appear to be cold/cracked and worthy of a reflow to me. Laughing
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km987654



Joined: 25 Jul 2007
Posts: 2874
Location: Australia

TV/Projector: Barco BG809s

Posted: Sat Jan 05, 2019 3:35 am    Post subject:
El Duderino wrote:
km987654 wrote:
No I have not but I suspect the full brightness is caused by NO G1.

Here are two neck cards of two 9" Sony tubes. If you look very closely at the SD146a neck card you can see it is labeled and has pin 9 connected to g1 (pin 4 is lower right and pin 5 is labeled g2). If you look at BG808s neck card you can see pin 9 is not connected. Sorry I cannot put label on picture at the moment.


Perhaps it's just camera / lighting artifacts, but several of the solder fillets on the SD146 image appear to be cold/cracked and worthy of a reflow to me. Laughing


Probably right. Those have not been used for years.
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ElTopo



Joined: 07 Nov 2006
Posts: 1640
Posted: Wed Oct 11, 2023 9:41 am    Post subject: Re: another tube pinout question
[quote="Decibel"]Can I use panasonic 180dvb22 or P16LNP/LNQ neckboards simply by rotating them 180 degrees in P19LCP07's/LPB's and Lug's?

The socket is rotate but pinout is the same.[/quote]


Anyone out there did that in reality ?

P19LUG into a Barco 808s !

If i’m reading this correct the neckboards can be put 1:1 on the P19LUG ?

thanks
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