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General| Tuning Type | Analog |
|---|---|
| Frequency Range AM/MW | 530 - 1605 kHz |
| Signal to Noise Ratio FM | 70 dB |
| Signal to Noise Ratio AM/MW | 50dB |
| Distortion FM | 0.3% |
| Tuning Bands | FM |
| Tuning Scale | Analog |
| Frequency Range FM | 87.5 - 108 MHz |
| Sensitivity AM/MW | 20 µV |
| Frequency Response | 30 Hz - 15 kHz |
| Dimensions | 420 x 132 x 290 mm |
| Semiconductors | transistors |
| Power Supply | AC 220/240V, 50/60Hz |
Details the FM front end, IF stages, and associated ICs.
Explains the stereo decoder stage using an FM MPX IC and active filter.
Covers the AM tuner's tuning capacitor, ceramic filter, and IC.
Describes the 5-point LED meter driven by a meter drive IC.
Explains the function and operation of the unit's power switch.
Describes selection between FM and AM broadcast reception.
Details the switch for removing inter-station noise during FM reception.
Explains how to use the knob to select broadcasting stations.
Indicates the frequency of the broadcasting station.
Shows pointer movement aligned with the dial scale.
Indicates signal strength via illuminated lamps.
Lights up when an FM broadcasting station is received.
Illuminates when an FM broadcast is in stereo.
Describes the included antenna for FM broadcasts.
Lists detailed technical specifications for the FM tuner.
Lists detailed technical specifications for the AM tuner.
Lists specifications for the audio output section.
Covers power requirements, dimensions, and furnished parts.
Lists general parts like transformers, lamps, cords, and assemblies.
Lists capacitor part numbers, symbols, and types.
Lists semiconductor part numbers, symbols, and types.
Lists miscellaneous components like switches, terminals, and screws.
Lists coil and filter part numbers.
Details the step-by-step procedure for adjusting the FM tuner.
Explains the procedure for adjusting the multiplex decoder.
Lists specifications for YP, S, and S/G types, noting differences from KU type.
Lists miscellaneous parts specific to YP, S, and S/G types.
Lists capacitor part numbers, symbols, and types for the tuner assembly.
Lists resistor part numbers, symbols, and resistance values for the tuner assembly.
Lists semiconductor part numbers, symbols, and types for the tuner assembly.
Notes that these assemblies are the same as GWX-638 for KU type.
Lists switch assemblies for different types.
Lists coil and filter part numbers for the tuner assembly.
Lists other parts for the tuner assembly.
Notes parts for GWE-153 and GWE-154 tuner assemblies.
