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Topics - Dsa

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TS500 Tape Simulator / Ts500 not working
« on: February 04, 2021, 06:54:22 PM »
Hi There

  Im new here!

Ive just build a Ts500 unit and connected it to my 51x Rack built by Igor (Ij Research) step 1 in the test didnt work :

OV to V+ showed 15.70 but OV to V- showed no value at all and also no connection when connected to the case.
and also Resistor R41 smoked and turned dark(so iguess its fried now)
first of all im wondering if there is a possible problem with the rack case (there are to JLM LA500a and an NV73 working just fine in there but those are all 51X so would there be a difference?) or what possible mistake could i have done?
and should i worry for the rest of the unit components now?
I've added some pictures of the assembled unit and with the connections in the case and also the Extender i was using:

The unit passes sound through when "off" but it doesnt when on "mute" or "on"
i have the other kit lying around i am wondering if should try and build to trace any possible mistakes or figure out if the case has something different than expected

any help will be appreciated!

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