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Roland
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Va-3
Roland Va-3 User Manual
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28
11
V
A-3
Jan, 2001
POWER & AMP
. PCB ASSY
ASSY 7770702000
View from component
side
View from component
side
INVERTER
PCB ASSY & CIRCUIT DIAGRAM
ASSY 7770709000
To LCD
From Power Amp.B.
(CN7)
CFL POWER SUPPLY
CFL GND
5V
5V
GND
GND
MOD1
CXA_M10A_L
1
2
3
4
5
DC-IN
DC-GND
AC-OUT1
AC-OUT2
AC-GND
C1
100nFC
C2
470uF16
CN1
5045_04A
3
4
2
1
CN2
IL_G_4P_S3T2_E
3
4
2
1
C3
100nFC
27
29
Table of Contents
Table of Contents
1
Specifications
1
Location of Controls
2
Exploded View (Top)
3
Exploded View (Bottom)
4
Keyboard Parts List
4
Wiring Diagram
5
Parts List
6
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
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
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Roland Va-3 Specifications
General
Brand
Roland
Model
Va-3
Category
Electronic Keyboard
Language
English
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