L&R Tickoprint TP Timing Machine
This timing machine is transistorized and a little newer (1960's) than the tube-type timing machines I've restored. According to the back plate it is a model T46 and was manufactured for L&R by Bandelin Electronic in Germany.
A closeup of some of the crud on the power supply board. I think a lot of this stuff is from the exploded electrolytic capacitor on the power amp PCB.
The diodes on the heat sink are the 15-volt zeners for the power supply. One of the zeners was not regulating the voltage and it turned out to be a corroded wire/bad connection to the top post of the diode.
The black block is the full wave bridge rectifier.
KM5d Watch Holder
Below are a few test printouts after repairs. The replacement ceramic piezoelectric element works fine.