Roland Va-3 - User Manual

BOTTOM CABINET ASSY REMOVAL SCREW:
SCREW 2,9 x 13 TCTC PR TROP cod. J2289130
VA-3
Jan, 2001
1
SERVICE NOTES
Issued by RES
First edition
SN00045 K6018410 Printed in Italy (A000) (AD)
Copyright © 2001 by ROLAND CORPORATION
All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of ROLAND CORPORATION.
va-3
v-arranger keyboard
TABLE OF CONTENTS Page
SPECIFICATIONS 1
LOCATION OF CONTROLS 2
EXPLODED VIEW (TOP) 3
EXPLODED VIEW (BOTTOM) 4
KEYBOARD PARTS LIST 4
WIRING DIAGRAM 5
PARTS LIST 6/7
HOW TO SAVE THE SYSTEM PROGRAM OR THE TEST PROGRAM ONTO FLOPPY DISK. 8
HOW TO UPDATE THE SYSTEM PROGRAM OR THE TEST PROGRAM BY FLOPPY DISK. 9
TEST MODE 9/12
CALIBRATION PROCEDURE TO REPLACE THE PITCH BENDER 12
HOW TO ENTER THE TOUCH SCREEN CALIBRATION 13
HOW TO INIZIALIZE THE FLASH AREA 13
HOW TO LOAD THE 6th LANGUAGE 13
BLOCK DIAGRAM 14
RIGHT & LEFT CONTACT PCB ASSY & CIRCUIT DIAGRAM 15
MAIN PCB ASSY 16
CIRCUIT DIAGRAM (MAIN PCB ASSY) 17
CIRCUIT DIAGRAM (MAIN PCB ASSY/Beam Control Block) / (MAIN PCB ASSY/Keyscan Block) 18
CIRCUIT DIAGRAM (MAIN PCB ASSY/Memory Bank Block) 19
CIRCUIT DIAGRAM (MAIN PCB ASSY/FDC Block) / (MAIN PCB ASSY/LCD Contr. Block) 20
MODULE XPGS-4 PCB ASSY 21
CIRCUIT DIAGRAM (XPGS-4 PCB ASSY / Section 1) 22
CIRCUIT DIAGRAM (XPGS-4 PCB ASSY / Section 2) 23
LCD CONTROL PCB ASSY & CIRCUIT DIAGRAM 24
JACK PCB ASSY 24
CIRCUIT DIAGRAM (JACK PCB ASSY) 25
CONTROL PCB ASSY F/ D-BEAM & CIRCUIT DIAGRAM 26
CONTROL PCB ASSY 26
CIRCUIT DIAGRAM (CONTROL PCB ASSY) 27
INVERTER PCB ASSY & CIRCUIT DIAGRAM 28
POWER & AMPLIFIER PCB ASSY 28
CIRCUIT DIAGRAM (POWER & AMPLIFIER PCB ASSY) 29
POWER SWITCH PCB ASSY & CIRCUIT DIAGRAM 29
PHONES PCB ASSY & CIRCUIT DIAGRAM 30
SWITCH D-BEAM PCB ASSY & CIRCUIT DIAGRAM 30
VOLUME PCB ASSY & CIRCUIT DIAGRAM 30
Specifications
Keyboard: 61 keys, synthesizer action, velocity-sensitive
Controllers: Tempo/Data dial, D Beam Controller, Bender/Modulation Lever, Master Volume knob
Tone generation/PCM: 64-voice polyphonic, GM2/GS compatible, 32 multitimbral parts, 3,641 sounds (20MB worth of PCM samples) 116 Drum Sets
incl. oriental Drum sets.
Digital effects: Reverb (8 types), Chorus (8 types), M-FX (DSP 47 types)
Arranger (automatic accompaniment): 64 Music Styles in ROM, 64 Disk Link Styles from floppy disk (incl. 16 Acoustic Styles), Disk User style
(instant access to one Style on floppy disk), Style Orchestrator & Morphing.
8-track User Styles Composer, SMF-to-Style Converter
Memories: 128 User Programs, 4 programmable One Touch memories for each Style, 5 Super Tones memories for instant Tone access (with program-
mable User level)
Display: Backlit VGA Touch Screen (LCD), new graphic user interface with animated icons
Navigation: Virtual band (interactive Easy Routing), automatic and/or via button
Sequencer: Realtime SMF Player (with Minus-One function), Easy 2-track recorder, Song chain mode, 16-track sequencer with extensive editing func-
tion, Song Header Post Edit, Lyrics display
Data storage: Floppy disk drive (2DD/2HD), realtime load, File types managed: Styles, Song SMF, User Program, MIDI sets
Amplification: 7 + 7W output power, 2-way Bass Reflex System
Connections: Output (L/mono, Right), Input (L/mono, Right), Sustain/Expression, 2x Phones
Power Supply: ACJ 12V adapter
Dimension: 1016(W) x 182 (H) x 400 (D) mm
Weight: 9,8 Kg
Accessories: 2 floppy disks with additional Music Styles, User Programs, MIDI Sets & Demo Songs, Owner's Manual
Options: PK-5 Dynamic MIDI Pedal, MSA/MSD/MSE series floppy disks (Roland & third-party), RH-25/50 Headphones, DP-2 Pedal switch, DP-6 Pedal
switch (piano type), BOSS FS-5U Foot Switch, EV-5 Expression pedal, BOSS FV-300L Foot Volume/Expression pedal, KC-100/300/500 Keyboard
Amplifiers
Specifications subject to change without prior notice. All other trademarks mentioned in this manual are the property of the respective companies.
DISASSEMBLY

Roland Va-3 Specifications

General

Keyboard	61 keys with velocity sensitivity
Polyphony	64 voices
Effects	Reverb, Chorus
Display	LCD
Connectivity	MIDI In/Out, Pedal
Power Supply	AC adapter (DC 9V)

Summary

Service Notes and Disassembly

Service Notes Introduction

Provides an introduction to the service notes for the VA-3.

Disassembly Procedure

Details the steps for disassembling the instrument.

Specifications

Keyboard and Controllers

Details the keyboard action, number of keys, and control elements.

Tone Generation and Effects

Describes the tone generation, PCM samples, and digital effects.

Arranger and Accompaniment Features

Outlines arranger features like styles, composer, and memories.

Display and Navigation

Covers the display type, user interface, and navigation methods.

Sequencer and Data Storage

Details the sequencer capabilities and data storage options.

Amplification and Connections

Specifies the amplification power and available connections.

Power Supply and Accessories

Lists power requirements, dimensions, weight, and included accessories.

Location of Controls

Front Panel Controls

Identifies and describes controls on the front panel.

Rear Panel Connections

Details the connectors and ports located on the rear panel.

Exploded View (Top) and Part List

Exploded View (Top)

Illustrates the top-side internal components of the VA-3.

Part List Overview

Provides a list of part numbers and descriptions.

Exploded View (Bottom)

Keyboard Parts List

Wiring Diagram

Parts List

Casing and Switches

Lists parts related to the instrument's casing and switches.

Sockets and Connectors

Details various sockets and connector parts.

Display and Drive Units

Lists parts for the display and floppy disk drive units.

Electronic Components

Lists integrated circuits, transistors, and diodes.

Passive Components

Details resistors, potentiometers, and capacitors.

Other Components and Accessories

Includes miscellaneous parts, inductors, crystals, and accessories.

System Program Management

Saving and Version Up

Procedure for saving the system program and updating firmware.

Visualizing System Version

How to display the current system program version.

System Update and Test Mode

Updating System;Test Program

Instructions for updating the system or test program via floppy disk.

Test Mode Overview

Introduces the test mode and its structure.

Test Mode Details

LCD and LED Checks

Procedures for testing the LCD display and LEDs.

Keyscan and Touch Screen Tests

Tests for key scanning and touch screen functionality.

Advanced Test Procedures

Touch Screen Calibration and MIDI Test

Details touch screen calibration and MIDI input/output testing.

Flash Test

Procedure for testing the instrument's flash memory.

System and Audio Tests

Style, RAM, and FDD Tests

Tests for ROM styles, RAM, and floppy disk drive.

Audio Test

Procedure for testing the audio output channels.

Pitch Bender Calibration Procedure

Instructions for calibrating the pitch bender.

Special Procedures

Touch Screen Calibration Entry

How to enter the touch screen calibration mode.

Loading Additional Languages

Instructions for loading different language files.

Initializing Flash Area

Procedure for initializing the flash memory area.

Block Diagram

Contact PCB Assemblies and Diagrams

Right Contact PCB Assembly

Details of the right contact PCB assembly and its diagram.

Left Contact PCB Assembly

Details of the left contact PCB assembly and its diagram.

Main PCB Assembly and Circuit Diagrams

Main PCB Assembly Overview

Shows the main PCB assembly from component and solder sides.

Main PCB Circuit Diagram

Provides the overall circuit diagram for the main PCB.

Main PCB Block Circuit Diagrams

Circuit diagrams for specific blocks of the main PCB.

Main PCB Memory and FDC Circuit Diagrams

Circuit diagrams for memory bank and FDC sections of the main PCB.

Main PCB LCD Control Circuit Diagram

Circuit diagram for the LCD control section of the main PCB.

XPGS-4 PCB Assembly and Circuit Diagrams

XPGS-4 PCB Assembly Overview

Shows the XPGS-4 PCB assembly from both sides.

XPGS-4 PCB Circuit Diagram (Section 1)

First part of the circuit diagram for the XPGS-4 PCB.

XPGS-4 PCB Circuit Diagram (Section 2)

Second part of the circuit diagram for the XPGS-4 PCB.

LCD Control and Jack PCB Assemblies and Diagrams

LCD Control PCB Assembly & Diagram

Details the LCD control PCB assembly and its circuit diagram.

Jack PCB Assembly

Shows the Jack PCB assembly from the component side.

Jack PCB Circuit Diagram

Control PCB Assemblies and Diagrams

Control PCB Assembly (D-Beam) & Diagram

Details the D-Beam control PCB assembly and its circuit diagram.

Control PCB Assembly

Shows the main control PCB assembly from the component side.

Control PCB Circuit Diagram

Inverter and Power Amplifier PCB Assemblies and Diagrams

Inverter PCB Assembly & Diagram

Details the inverter PCB assembly and its circuit diagram.

Power & Amplifier PCB Assembly

Shows the Power & Amplifier PCB assembly from the component side.

Power & Amplifier PCB Circuit Diagram

Power Switch PCB Assembly and Diagram

Phones PCB Assembly & Diagram

Switch D-Beam PCB Assembly & Diagram

Volume PCB Assembly & Diagram