[Milsurplus] Airbourne panoramic display Help

L Ritta vk5abc at optusnet.com.au
Thu Mar 27 10:28:30 EST 2008


Hello Everyone


I have a display which looks like a WJ display which was reworked for 
airbourne use. It has four controls a marker on/off center/freq sweep/width 
gain the sweep width has 4 setttings 25kc 50kc 100kc 300kc
out the back of the chassis are 6 wires two of which are for the 115V for a 
filament transformer thru a hole marked J-602 and a bnc connector J-601 the 
unit is all tubes the crt is V-601. I hope this is enough information.

Now for my questions apart from the 115V for the filaments what are the 
other power requirements? what frequency do I need to drive it? 
Anybody got a circuit? 
Could it be an earlier version of the G-186A panoramic display by LVT TEMCO
this matches with the Collins 51S1/G133H
BTW apart  from the crt it has 12 tubes.

I hope someone here can help me, thanks in advance.

73 Lee.



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