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General| Type | Cassette Player |
|---|---|
| Brand | Sony |
| Model | WM-EX50 |
| Mega Bass | Yes |
| AVLS (Automatic Volume Limiter System) | Yes |
| Remote Control | Optional |
| Wow and Flutter | 0.15% WRMS |
| Headphone Jack | 3.5 mm |
| Auto Reverse | Yes |
| Power Supply | 2 x AA batteries |
| Headphones | Included |
| Playback Modes | Normal |
| Frequency Response | 40 Hz - 15, 000 Hz |
| Output Power | 5mW + 5mW at 16 ohms |
| Dolby Noise Reduction | Dolby B |
Covers safety messages, battery warnings, and general precautions for operation.
Highlights critical components marked with A for safe operation.
Details on battery care, preventing leakage, and connecting external power.
Lists required test equipment and describes the double super heterodyne FM receiver feature.
Lists specific jigs and materials required for servicing.
Explains the purpose and operation of all device controls.
Step-by-step guide for setting the clock on the device.
Important notes for service personnel regarding operation checks and repairs.
Step-by-step instructions for removing the tuner unit from the cassette lid.
Explains LCD operation for clock and tape running indications.
Correlates data codes with LCD display modes for tape operation.
Illustrates the signal path and component relationships in the tuner section.
Shows the signal flow and component layout for the audio processing circuits.
Detailed circuit diagram for the tuner board, showing component connections.
Visual layout of components and traces on the tuner board.
Detailed circuit diagram for the audio board, listing components and connections.
Visual layout of components and traces on the audio board.
Pinout and block diagrams for key integrated circuits used in the device.
Illustrated breakdown of mechanical parts with reference numbers for identification.
Detailed list and diagram of tape transport mechanism components.
Continuation of tape transport components list and diagrams.
List of capacitor part numbers, types, values, and voltage ratings.
Lists part numbers for coils, transistors, and diodes.
Lists part numbers for resistors, switches, variable resistors, and connectors.
Lists part numbers for tuner board capacitors, trimmers, diodes, and filters.
Lists components for the flexible display panel block.
Details on included accessories, packaging, and instruction manuals for different models.
Procedures for measuring torque, wow, and flutter in the tape transport.
Procedure for adjusting the tape transport speed.
Procedures for tuning voltage and FM/AM frequency adjustments.
Procedures for adjusting FM 2nd oscillator and VCO for optimal performance.
Procedures for fine-tuning FM and AM signal reception frequencies.
Technical details on radio frequency ranges and battery power life.
Information on power input, voltage compatibility, and included accessories.
