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Hi John:  Thanks for the buffer, I installed it on my 25'x50' 2 levels layout with 800' of GarGraves track, I run my K-line, 3rd Rail, TMCC, Legacy, Vision Line locomotives and they run flawlessly on both levels, going thru two home made aluminum bridges 4' long, no issues at all; the two LED's are On, one is blue and the other one is solid green all the time; thank you Manco (REP) and you, GOOD IMPROVEMENT, just awesome.

Churu posted:

Hi John:  Thanks for the buffer, I installed it on my 25'x50' 2 levels layout with 800' of GarGraves track, I run my K-line, 3rd Rail, TMCC, Legacy, Vision Line locomotives and they run flawlessly on both levels, going thru two home made aluminum bridges 4' long, no issues at all; the two LED's are On, one is blue and the other one is solid green all the time; thank you Manco (REP) and you, GOOD IMPROVEMENT, just awesome.

Churu: That's the news we like to hear. Thanks, cannot wait until I get mine. Ain't it GREAT !!!!

MartyE posted:
cjack posted:

I was thinking to print the schematic and keep it with the the instructions. But I can’t find it, on the forum. Anyone have the link?

Like this?  This version still had the schematic.  John will have to verify if it is still up to date as I see he posted a newer document.

Thanks Marty, note that the schematic from GRJ is the later one with the caps across the opamp power pins. But much appreciated! I'm saving both with the instructions.

cjack posted:
MartyE posted:
cjack posted:

I was thinking to print the schematic and keep it with the the instructions. But I can’t find it, on the forum. Anyone have the link?

Like this?  This version still had the schematic.  John will have to verify if it is still up to date as I see he posted a newer document.

Thanks Marty, note that the schematic from GRJ is the later one with the caps across the opamp power pins. But much appreciated! I'm saving both with the instructions.

Cool. Wasn't sure if it was up to date. Glad he posted. I'll delete mine so as to not to confuse anyone. 

Last edited by MartyE

Just received my buffer today, Great work John.

I hooked it up and found out my Legacy base was bad, only .080 volts base input and 0.100 base output red led. and then hooked up to my cab Legacy and read a 1.140 volts base input and 3.916 volts base output no light on signal level,measured with fluke 87 meter. It look like my legacy is dead.

 

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