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PRO-2035 / PRO-2042



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The Realistic PRO-2035 and PRO-2042 are almost identical. The scanner can be opened by removing 4 screws on the back. Slide the complete case half a centimeter back, and remove the top lid. If you disconnect the loudspeaker PCB-connector, the scanner is easier to handle.

PRO-2035 / PRO-2042

There are 2 options for a discriminator output: directly to pin 9 of the discriminator IC, a TK10420. Or to TP2 (test point 2), which is connected to this IC directly. If you choose for the last option, you don't have to solder to the IC.

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TP2, close to pin 9 of the 10420 receiver IC

A 10 k resistor connects TP2 to the outside world

A 10 k resistor is soldered to TP2. The resistor's other lead is connected to a 3.5 mm chassis plug, which can be mounted in the back of the scanner. The resistor's leads have been isolated with isolation material from a piece of wire.

Since the back panel of the scanner is connected to the scanners's ground, no separate ground lead is necessary from the 3.5 mm connector.



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