🏷️ Basic Information Identification Make: Aiwa Model: HS EM20 Product Type: Stereo Cassette Player Year: Not Specified Generation: Not Specified 📋 Manual Details Manual Information Manual Type: Service Manual Language: English (Assumed) Page Count: Not Specified Format: PDF Download Purpose: Repairing, Servicing, Maintaining, Rebuilding ⚙️ Engine Specifications Motor Details Engine Type: DC Motor Displacement: Not Applicable Power: Not Applicable 🔧 Transmission Drive System Type: Belt Drive Gears: Not Applicable 📐 Dimensions Physical Dimensions Length: Not Specified Width: Not Specified Height: Not Specified Weight: Not Specified 🔧 Maintenance General Maintenance Cleaning Instructions: Covered in Manual Troubleshooting Common Issues: Covered in Manual Parts Replacement Component Diagrams: Likely Included in Manual 📄 Audio Specs Playback Tape Type: Cassette Stereo Support: Yes Features Noise Reduction: Not Specified Auto Reverse: Not Specified Metal Tape Support: Not Specified Dolby Nr: Not Specified 📄 Connectivity Outputs Headphone Jack: Yes (Implied by 'Stereo') Line Out: Not Specified Inputs Microphone Input: Not Specified 📄 Power Power Source Battery Type: Not Specified Ac Adapter Support: Not Specified 📄 Controls Playback Controls Play: Yes Stop: Yes Rewind: Yes Fast Forward: Yes Recording Controls Record: Yes (Implied by Cassette Player) Pause: Yes