This is an overview of the Mono and Stereo amplifiers that are used in the different Lenco record players. Only amplifiers that were developed and produced by Lenco are considered. It is not clear when Lenco started to produce their own electronics but as far as I know it must have been in the late fifties.
Originally Lenco placed a slip with the circuit diagram inside the record payer, glued to the bottom of the unit. In these days it was common to do it this way with simple electronics. It can happen, after all these years, that the paper with the circuit diagram - for whatever reason - is missing. I own some original typography plates with Lenco circuit diagrams from the sixties. I went to a local typographer to have them printed on paper and later scanned them to have a digital copy.
V 120 typography plate
V 201A typography plate
V 407 typography plate
With the time I also got some record players who had still the original circuit diagrams inside. In the process of documenting these record players I also took photographs of the circuit diagrams. At the moment I have more than 10 of these documents in my collection. They are all digitaly re-worked and - where necessary - corrected. On the next page you will find a selection of these documents.
V 420 circuit diagram
V 621 circuit diagram
V 220 circuit diagram
While I was doing some research I discovered several very rare Ge-transistor amplifier series V 01xx modules from the mid sixties that were used in various battery operated portable record players. I found a slip with the circuit diagram for the V 0105 - but so far - not for the older modules V 0100 and V 0101.
Any Information for the V 0100 and V 0101 is welcome - please write to: maxaeschlimann(at)yahoo.com
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