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MVT-5000



MVT-5000

It is fairly simple to equip the Yupiteru MVT5000 with a discriminator output.

The FM receiver IC is a TA7761, with the baseband audio on pin 9.

MVT-5000

After opening the scanner, you can disconnect two sockets, as shown on the picture below. This makes the two scanner halves easier to handle.

A 10 k resistor is connected to pin 9 of the receiver IC. The resistor's other lead is connected to the centre connector of a 3.5 mm mono chassis socket that can be mounted in the scanner's side panel. The socket's ground lug can be connected to the cicuit board's ground area. You will have to remove some of the protective lacquer, e.g. by using a screwdriver or scraping tool.

Location of pin 9
Connection to the IC
Pin 9 of the TA7761 contains the unfiltered audio
A 10 k resistor connects the discriminator to the outside world


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