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Roland AX-7 Service Notes

Roland AX-7 Service Notes

Midi keyboard controller
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Download this manual See also: Owner's Manual
Nov, 2001
aX-7
midi keyboard controller

TABLE OF CONTENTS

PARTS LIST
SN00058
K6018458
AX-7
SERVICE NOTES
First edition
Issued by RES
Page
1
2
3
3
4
4/5
6
6
6
9
10
11
12
13
14
15
16
16
17
Printed in Italy (I00) (AD)
1

Specifications

Keyboard: 45-key keyboard with Velocity Sensitivity (TP-7 BA type)
Display: 3 x 7 segments display view control
Realtime controllers: Data Entry Knob, Touch Controller, Expression Bar, Hold Button, D-Beam
Memories: 128 Patches
Connections: MIDI In, Out; DC IN (adaptor)
Power supply : Battery-operated, Optional AC/DC Adaptor ACA (DC 9V)
Dimension: 1010 (W) x 195 (D) x 102 (H) mm
Weight:: 3,0 Kg
Supplied accessories: 6 x dry batteries (AA type), MIDI cable, Owner's Manual, Shoulder strap
Specifications subject to change without prior notice. All other trademarks mentioned in this manual are the property of the respective companies.
DISASSEMBLY
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.

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Summary of Contents for Roland AX-7

  • Page 1: Table Of Contents

    CONTACT PCB ASSY W/ RUBBER & CIRCUIT DIAGRAM DISASSEMBLY Copyright © 2001 by ROLAND CORPORATION SN00058 K6018458 Printed in Italy (I00) (AD) All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of ROLAND CORPORATION.

  • Page 2: Location Of Controls

    AX-7 Nov, 2001 LOCATION OF CONTROLS REAR VIEW...

  • Page 3: Exploded View (Top)

    AX-7 Nov, 2001 EXPLODED VIEW - TOP EXPLODED VIEW - BOTTOM...

  • Page 4: Keyboard Parts List

    (OP AMP) IC20 on CPU 15189189 I.C. UPC 4570HA VERT. (OP.AMP.) IC1 on CPU 15289141 I.C. M5223FP-600D IC18,23 on CPU 7772506000 I.C. MICRO IC2 CPU A-37/AX-7 IC2 on CPU TRANSISTOR 15129114 TRANSISTOR 2SC-1815GR Q7 on CPU 15319101 TRANSISTOR 2SC-2412K Q14 on CPU...
  • Page 5 D1,2,3,4,5 on RCB / D1,2,3,4 on LCB 01237945 PRESSURE SENSOR PB-A0101 01341623 DIODE LED TLN 201 D1 on CDB K2268170 VIBRATION DAMPER 60X36 (LIGHT) AX-7 01342578 PHOTO DIODE TPS 708 D2 on CDB K2268171 VIBRATION DAMPER 70X49 (LIGHT) AX-7 15019345RI ZENER DIODE BZX79C 5.6V...

  • Page 6: How To Visualize The System Program Version

    After a few seconds, the display will visualize the following writing: The test procedure automatically goes back to the previous menu. TEST ROLAND AX-7 VERSION 1.00 Note: It is not possible to go on to the following step if this test is not carried out correctly.
  • Page 7 AX-7 Nov, 2001 Press EXIT to leave. Press EXIT again to go back to the main menu. Touch controller Once you have pressed button 2, the display visualizes: Pict. A (Value 0), if you don't touch the touch controller or if you touch it in the middle (please see the reference sign on the touch controller);...
  • Page 8 AX-7 Nov, 2001 KEYBOARD CHECK Once you have entered test mode, press the button 2: The display visualizes: Connect the Midi outputs (OUT) to the Midi in of another musical instrument or of a dedicated equipment, pro- vided of a sound source.

  • Page 9: Block Diagram

    AX-7 Nov, 2001 BLOCK DIAGRAM MAIN BOARD RIBBON D-BEAM D-BEAM PHOTOC. UNIT CONTROL M38039MFFP DATA AN0-AN2 HOLD ENTRY SWITCH 16MHz P10-P13 XOUT XOUT IC22 P20-P27 DISPLAY RESET XRES P50-P52 IC11 MATRIX INT1 XINT 10MHz IC21 Q9-Q13 IC10 KEYSCAN P00-P07 LATCH...

  • Page 10: Cpu Pcb Assy

    AX-7 Nov, 2001 CPU PCB ASSY ASSY 7772505000 View from component side...

  • Page 11: Circuit Diagram (Cpu Pcb Assy 1/3)

    AX-7 Nov, 2001 CIRCUIT DIAGRAM (CPU PCB ASSY 1/3) +5VD +5VD 4x10Ks DIVEN SSD0 100nFs +5VD SSD1 +5VD SSD2 TCS_5350_01_4051 SSD3 8x10Ks SBT0160W 220s DA204K 3K3s XINT DATA DATA RSVD +5VD BEND FOR BUILT-IN FLASH BEND PROGRAMMING DBEAM DBEAM SSD0...

  • Page 12: Circuit Diagram (Cpu Pcb Assy 2/3)

    AX-7 Nov, 2001 CIRCUIT DIAGRAM (CPU PCB ASSY 2/3) 68KS 12KS 22KS 820KS 100nFs IC23A 2K2S M5223FP 10pFs 10KS 150s 100S 15KS 33KS DBEAM DAP202K (AN7) IC23B 1uF16s M5223FP 100nFs BZX55C5V1 10nFs 10KS DA204K 47Ks 68KS 27KS EVND8AA03B24 DAP202K +5VD...

  • Page 13: Circuit Diagram (Cpu Pcb Assy 3/3)

    AX-7 Nov, 2001 CIRCUIT DIAGRAM (CPU PCB ASSY 3/3) +5VD IC20C UPC4570G 10Ks DA204K 100nFs 33uF16s 10uF16s IC20B 10Ks UPC4570G 10uF16s 10uF16s 10uF16s 100nFs +5VD C100 IC20A 100Ks UPC4570G 100nFs 2SC1815GR BEAM PULSE PULSE 150pFs 2SC2235Y 10Ks RRW0 100s 330I...

  • Page 14: Left Control Pcb Assy

    AX-7 Nov, 2001 LEFT CONTROL PCB ASSY & CIRCUIT DIAGRAM ASSY 7772502000 View from component side LOWER UPPER VREF SPLIT R3 1K R4 100K From Ribbon Sensor START/STOP All switches are EVQPAE05R. All LEDs are 3SLR37VR3F. 5597-08APB GNDREF BEND 100nF...

  • Page 15: Right Control Pcb Assy & Circuit Diagram

    AX-7 Nov, 2001 RIGHT CONTROL PCB ASSY & CIRCUIT DIAGRAM ASSY 7772501000 View from component side CONTROL S W1 S W2 S W3 CONTROL ENTER WRITE SSD0 AMPC1_2714P S W4 S W5 S W7 S W8 S W9 DATA DATA...

  • Page 16: Display Pcb Assy & Circuit Diagram

    AX-7 Nov, 2001 DISPLAY PCB ASSY & CIRCUIT DIAGRAM ASSY 7772504000 DRW0 DRW1 DRW2 DRW3 DRW4 DRW5 DRW6 DRW7 DRW0 DRW1 DRW2 DRW3 DRW4 DRW0 DRW5 DRW1 DRW2 DRW6 DRW3 DRW4 DRW7 DRW5 DRW6 DRW7 DRW0 DRW1 DRW2 DRW3 DRW4...

  • Page 17: Contact Pcb Assy W/Rubber & Circuit Diagram

    AX-7 Nov, 2001 CONTACT PCB ASSY w/RUBBER & CIRCUIT DIAGRAM ASSY 7695104000 View from component side AMPC1.2716P AMPC1.2716P...

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