LS OP PCB
This PCB mounts under the incoming message deck. It contains the loudspeaker power amplifier (the transistors in heatsink clips on the right), the 'auto mode' switch, and the circuitry to detect tape motion, triggered by the reed switch in the top centre.
The auto-mode switch is operated by the linkage on the cassette mechanism that would have operated the record switch if it were just a simple cassette recorder.
LS OP PCB
This PCB mounts under the incoming message deck. It contains the loudspeaker power amplifier (the transistors in heatsink clips on the right), the 'auto mode' switch, and the circuitry to detect tape motion, triggered by the reed switch in the top centre.
The auto-mode switch is operated by the linkage on the cassette mechanism that would have operated the record switch if it were just a simple cassette recorder.