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Realistic DX-200 Service Manual

Realistic DX-200
21 pages
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Realistic DX-200 Specifications

General IconGeneral
TypeCommunications Receiver
ModesAM, CW, SSB
IF Rejection60 dB
IF Frequencies455 kHz
Image Rejection60 dB
Power Supply120 V AC, 60 Hz
TuningAnalog dial

Summary

SPECIFICATIONS

BLOCK DIAGRAM

GENERAL ALIGNMENT INSTRUCTIONS

ALIGNMENT SET-UP DIAGRAM

Illustrates required connections and test equipment for receiver alignment.

DIAL TRACKING ALIGNMENT CHART

S-METER ALIGNMENT

CALIBRATOR ADJUSTMENT

BFO ADJUSTMENT

TROUBLESHOOTING

OTHER ELECTRICAL PARTS

Switches and Controls

Details selector switches, variable resistors for controls, and tuning capacitors.

INTEGRATED CIRCUIT IDENTIFICATION

SEMICONDUCTOR LEAD IDENTIFICATION

µPC575C2 Pinout and Schematic

Details the pinout and internal schematic for the µPC575C2 semiconductor.

Transistor Lead Identification

Illustrates lead identification for common transistors like 2SC1815, 2SK19, and 35K45.

SCHEMATIC DIAGRAM

ALIGNMENT POINTS

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