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Hallo!
Ja weiß ich, aber welcher IC ist der richtige?
Ich hab das Layout mal drangehängt, und im Internet hab ich bis jetzt noch nicht das richtige gefunden.
Gruß
FUKW
Hier ein Auszug von www.mods.dk
Remove the rear cover (4 screws) taking care not to damage the battery wires while pulling the case apart. The battery wires will unplug from the power supply board if required.
The rear of the main PCB is now visible.
The discriminator output can be taken from IC5 pin9.
IC5 is located on the visible side of the board but is situated about 1/2 way down the board but on the edge (same side as the power socket).
It is labelled TA7761P although this may be difficult to read due to lacquer on the device.
Simply solder a wire to pin 9 of this IC to obtain the discriminator output.
Terminate the wire at a suitable socket and re-fit the case half (you may find that removing the side-panel case stopper provides an excellent location without the need to drill or burn a hole in the cabinet).
Hoffe du kannst damit was anfangen .
Auf dem Bild kann man leider nicht so viel erkennen .
Gruß
Firestorm1711