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General| Keyboard | 88-key Graded Hammer Standard (GHS) keyboard |
|---|---|
| Styles | 160 |
| Effects | Reverb, Chorus, DSP |
| Display | LCD |
| Connectivity | MIDI In/Out, USB, Headphones, Pedal |
| Included Accessories | Music Rest, AC Adapter |
| Touch Response | Yes |
| Sequencer | Yes |
| Speakers | 12 cm x 2 |
Provides a comprehensive overview of internal component connections and signal flow.
Step-by-step guide for removing the lower case assembly, including screw details.
Instructions for removing DM, TW, PB, AM, PSW, and DJACK circuit boards.
Guide for disassembling ENC, PNR, MVR, and PNL circuit boards, including knob removal.
Steps for removing the LCD unit, speakers, and the main keyboard assembly.
Detailed procedure for disassembling white and black key assemblies within the keyboard.
Details on assembling keyboard hammers, including grease application and weight checks.
Steps for reinstalling white and black key assemblies, ensuring proper alignment.
Detailed pin description for the main CPU, listing function and I/O for each pin.
Visual representations of the internal logic for various ICs used in the product.
Detailed component layout for the DM circuit board, showing connections and placement.
Component layout diagrams for the AM and DJACK circuit boards.
Component layout diagram for the PNL circuit board, showing switch and component placement.
Component layout diagram for the PNR circuit board, illustrating button and component positions.
Layouts for ENC, MVR, PSW, PB, TW (L/R), and MKO circuit boards.
Component layout for the GHL88L circuit board, showing component placement.
Component layout for the GHL88M circuit board, illustrating component positions and connections.
Component layout for the GHL88H circuit board, showing component placement.
Necessary preparations, instruments, and steps to enter the test program mode.
How to execute tests, interpret results (OK/NG), and navigate the test list.
How to clear backed-up user data from flash memory to restore default settings.
Procedure for clearing song and style files from flash memory, including warnings.
Steps for connecting USB memory, checking file control icon, and file storage requirements.
Guide on how to format a USB flash memory for use with the instrument, including cautions.
Schematic showing connections between major boards like AM, DJACK, DM, MVR, PB, PSW, and TW.
Schematic illustrating connections for ENC, GHL88 boards, PNL, and PNR circuit boards.
