MATRIXSYNTH: Inside an MFB Synthesizer II

Saturday, December 30, 2017

Inside an MFB Synthesizer II


Pic of the circuit board via this auction

"MFB Synthesizer II AS IS for PARTS
Installed a new LM2940, Lm7808 and a 79L05 power regulators cant get unit to boot only 3 leds light.
Tried to replace the NE555P timer IC without luck as some of the pcb traces got damaged.
Device has a CA3046 filter chip on the main board maybe that could be of use to someone.
Comes will all as seen in the pics even a 12 vdc adapter."

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