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General| Brand | Technics |
|---|---|
| Model | SX-PX554 |
| Category | Musical Instrument |
| Language | English |
Essential safety guidelines for operation and servicing.
Test for insulation resistance to prevent shock hazards.
Explanation of touch response and keyboard note ranges.
Steps to remove the top cover of the piano.
Steps to remove the keyboard cover.
Steps to remove the control panel assembly.
Steps to remove the entire keyboard assembly.
Procedure for disassembling and removing individual keys.
Steps to disassemble the pedal assembly.
Instructions for removing the speaker units.
Detailed steps for removing various PCBs.
Specifics for measuring waveforms using oscilloscopes.
Safety information for components with special characteristics.
Classification of symbolic marks for resistors and capacitors.
Specific conditions for measuring MAIN and FAJSP P.C.B.s.
Overall circuit, PCB, block, and wiring diagrams.
List of replacement parts with part numbers and descriptions.
Component layout for the COM (Computer Interface) board.
Component layout for the HP (Headphone) board.
Component layout for the MAIN PCB.
Foil (trace) layout diagram for the MAIN PCB.
Functional block diagrams for COM and Keyboard interfaces.
Functional block diagrams for CPL, CPR, and MAIN circuits.
Functional block diagrams for FJASP, HP, and PKB circuits.
Explains selection and features of different instrument sounds.
Describes the digital reverb and celeste effects.
Explains the functions of Sostenuto and Soft pedals.
Controls sound brightness and keyboard touch response.
Explains the display and sequencer capabilities.
Explains the function of the right sustain pedal.
Details on connecting pedals, aux-in, line-out, and headphones.
Connecting to computers and MIDI devices.
Common issues, remedies, and MIDI/computer data troubleshooting.
Information on how the backup memory works and its limitations.
