Target Audience:
Professional and semi-professional keyboardists, studio players, and service technicians
Market Segment:
High-end weighted 88-key MIDI controller / stage piano
Advantage:
Combines 88-note weighted hammer-action keyboard with expandable sound via Roland VE-RD1 piano expansion board
Advantage:
Extensive MIDI control features including multiple zones and sliders for live performance
Keyboard:
88 weighted keys with hammer action
Expandability:
Slot for VE-RD1 expansion board providing built-in RD-series piano sounds
Controls:
Multiple sliders, assignable controllers, and performance memories
Coverage Areas:
Full service repair coverage including disassembly, troubleshooting, and adjustment procedures
Manual Type:
Factory service repair workshop manual
Page Count:
N/A - not specified for this listing
Delivery Method:
Instant digital download
Binding:
Digital (PDF document)
Contents:
Specifications, parts list, exploded views, and circuit board diagrams
Disassembly:
Complete teardown procedures for chassis, keyboard, and panels
Reassembly:
Reassembly instructions with correct order and fastener locations
Troubleshooting:
Symptom-based troubleshooting charts and flowcharts
Electrical:
Circuit board diagrams and schematic descriptions
Power Supply:
Power supply circuit testing and repair guidance
Keybed Service:
Hammer-action key mechanism removal, service, and adjustment
Sliders and Pots:
Slider and rotary control cleaning, testing, and replacement
Switches:
Panel switch and button diagnostics and replacement
Display:
LCD display troubleshooting and service procedures
MIDI Diagnostics:
MIDI input/output testing and fault isolation
Connector Repairs:
Jack, socket, and connector testing and replacement
Motherboard:
Main board removal, inspection, and component-level guidance
Firmware / ROM:
ROM and microprocessor circuit descriptions
Aftertouch:
Aftertouch sensor testing and calibration
Pitch and Mod:
Pitch bend and modulation lever service
Exploded Views:
Full exploded assembly views for parts identification
Parts List:
Complete parts list with part numbers
Specifications:
Factory electrical and mechanical specifications
Test Procedures:
Factory test mode and adjustment procedures
Wiring Diagrams:
Internal wiring and harness routing information
Technical Depth:
Component-level repair depth suitable for professional technicians
Modifications:
Basis documentation for circuit bending and modification work
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Electronics Specifications
Applicability:
This product is a musical instrument, not a motor vehicle; no engine specifications apply
Power Requirement:
N/A - not specified in this listing
Audio Source:
Optional VE-RD1 piano expansion board (installed model dependent)
Polyphony:
N/A - depends on installed expansion board
Keyboard:
88 keys, weighted hammer action
Length / Width:
N/A - not specified in this listing
Wheelbase:
N/A - not a vehicle
Curb Weight:
Approx. 30 kg (66 lb) class instrument; verify with factory specs
Weight Note:
Heavy-duty stand recommended due to full-size 88-key chassis
Crash Ratings:
N/A - not applicable to musical instruments
Mains Isolation:
Internal power supply isolation procedures covered in the manual
Servicing Warning:
High-voltage power supply sections require qualified technician handling
ESD Precautions:
Anti-static handling guidance for circuit board work
Grounding:
Proper earth grounding checks included in test procedures
MIDI:
Full MIDI in/out/thru implementation for controlling external sound modules
Zones:
Multiple keyboard zones for layered and split performances
Programmability:
Performance memories for storing setups
Expansion:
VE-RD1 piano expansion board slot (on equipped units)
Audio Outputs:
Analog audio outputs when expansion board is fitted
Driver Assistance:
N/A - not applicable to this product
Service Intervals:
N/A - no fixed schedule; service on fault or wear symptoms
Control Cleaning:
Contact cleaner treatment for sliders and pots to fix scratchy controls
Key Contacts:
Cleaning and inspection of key contact strips and aftertouch sensors
Common Wear Items:
Sliders, pots, switches, key contacts, and pitch/mod lever assembly
Mechanical Care:
Lubrication and adjustment of hammer-action key mechanism per manual
Connectors:
Inspection and reseating of ribbon cables and board connectors
