🏷️ Basic Information Identification Make: Casio Model: CTK-100 Product Type: Electronic Keyboard Instrument Type: Keyboard Category: Musical Instrument 📋 Manual Details Manual Type Manual Type: Service Manual Source Description: Detailed technical repair information for rebuilding Format Format: PDF Download Language Language: English Page Count Page Count: Information packed pages (exact number not specified) Availability Availability: Downloadable 📄 Features Keyboard Key Count: 61 keys Polyphony Polyphony: 12-note Tones Tones: 100 built-in tones Rhythms Rhythms: 100 built-in rhythms Songs Songs: 100 built-in songs Learning System Learning System: Yes (Casio's fingering guide) Display Display Type: LCD Display Speakers Speaker System: Integrated stereo speakers Connections Headphone Jack: Yes Sustain Pedal Jack: Yes Midi Terminal: Yes Power Source Power Options: AC adapter or batteries (DC 9.5V) 📄 Technical Details Circuitry Main Board Architecture: Detailed schematics provided Component Identification Component List: Comprehensive list of components Troubleshooting Troubleshooting Guide: Included Repair Procedures Disassembly Instructions: Step-by-step disassembly Component Replacement: Instructions for replacing components Calibration Calibration Procedures: Not specified (typical for this model) Software Firmware Updates: Information not typically in service manual