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Had a working Tourbus pedal.  Been a few months since I used it.  Built a new pedalboard.  Plugged it into the same 18V plug on the OneSpot power supply on the new board.  Noticed the pedal ticking in bypass.  Opened it up to take a look and adjust the trimmers to see if I could get the ticking to stop.  After a while, a tiny puff of smoke from the region of the 4047 IC.  Panic ensues.  Cut the power.  Removed daughterboard.  Could not confirm the origin of the smoke.  Replaced all of the components in the immediate area of the 4047 including the IC.  Reflowed all connections on main board.  Pedal is not powering up.

How should I proceed?  Is there troubleshooting to be done or does smoke = trash the bus and start again on a new board?

I am having trouble getting the Tourbus to work (again).  I got it working a while ago and put it aside for a while since I didn't have an enclosure to put it in.  Cut to today when I went to box it up and it doesn't work anymore.  When I plug it into the power source, the two LEDS light up.  When I plug in the output jack, the LEDs turn off and will not turn back on.  Signal passes through but there is no delay.  The volume knob also works but in reverse.  If I hit the stomp switch, bypass works just fine.  This is if the PCB is in or out of the enclosure.  I went over every single connection with a soldering iron to be sure there was nothing loose.  I am stumped.  Anyone have any ideas?

I've been emailing with the good folks at SmallBear about bringing back a transistor set for the Mark 1 Tonebender and they just added it to the store.

https://smallbear-electronics.mybigcommerce.com/transistor-set-tb-mk-i-pnp-generic/

I'll let you know how it sounds after I get my order and get the thing built