Page 1
AX-7
Nov, 2001
1
SERVICE NOTES
Issued by RES
First edition
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.
SN00058 K6018458 Printed in Italy (I00) (AD)
aX-7
midi keyboard controller
TABLE OF CONTENTS Page
SPECIFICATIONS 1
LOCATION OF CONTROLS 2
EXPLODED VIEW (TOP) 3
EXPLODED VIEW (BOTTOM) 3
KEYBOARD PARTS LIST 4
PARTS LIST 4/5
HOW TO VISUALIZE THE SYSTEM PROGRAM VERSION 6
HOW TO CARRY OUT THE FACTORY SETUP 6
HOW TO ENTER TEST MODE 6
BLOCK DIAGRAM 9
CPU PCB ASSY 10
CIRCUIT DIAGRAM (CPU PCB ASSY 1/3) 11
CIRCUIT DIAGRAM (CPU PCB ASSY 2/3) 12
CIRCUIT DIAGRAM (CPU PCB ASSY 3/3) 13
LEFT CONTROL PCB ASSY 14
RIGHT CONTROL PCB ASSY & CIRCUIT DIAGRAM 15
DISPLAY PCB ASSY & CIRCUIT DIAGRAM 16
D-BEAM PCB ASSY & CIRCUIT DIAGRAM 16
CONTACT PCB ASSY W/ RUBBER & CIRCUIT DIAGRAM 17
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
Page 2
2
AX-7
Nov, 2001
LOCATION OF CONTROLS
REAR VIEW
Page 3
3
AX-7
Nov, 2001
EXPLODED VIEW - TOP
EXPLODED VIEW - BOTTOM
Page 4
CASING Q.ty
# 7772511000 VARN.+SILK. TOP CABINET AX-7 1
# 7772510000 VARN.+SILK. BOTTOM CABINET AX-7 1
# 7772509000 VARN. BATTERY COVER AX-1 1
# 7772508000 VARN. DISPLAY COVER AX-7 1
# 7772507000 SILKSCREENED PLEXIGLASS AX-7 1
KNOB BUTTON
K2478122 ROUND TAB BLACK H.8.3 6
K2478123 ROUND TAB BLACK H. 9.12 18
# K2478347 ROUND PUSHBUTTON RED H.9,12 1
# K2478348 ROUND PUSHBUTTON BLACK) H.13,5 1
7695111000 SILKSCREENED KNOB ASSY AX-1 1
SWITCH
J3169105 SWITCH TP-1101A / EVQ-PAE 05 R on RCB / on LCB 26
13159111 POWER SWITCH SSSP12114A SW2 on CPU 1
JACK, SOCKET
13449711 DC-SUPPLY SOC. HEC0470-01-630 JK2 on CPU 1
13429697 5P DIN SOCKET TCS5350-01-4051 JK1,3 on CPU 2
DISPLAY UNIT
00239767 DISPLAY TYPE LB-603VF (RED) DS1 on DISPLAY Board 1
KEYBOARD ASSY
7695105000 KEYBOARD ASSY AX1 1
NOTE: For details, refer to KEYBOARD PARTS LIST (Page 4)
PCB ASSY
# 7772501000 RIGHT CONTROL PCB ASSY AX-7 1
# 7772502000 LEFT CONTROL PCB ASSY AX-7 1
# 7772503000 D-BEAM PCB ASSY AX-7 1
# 7772504000 DISPLAY PCB ASSY AX-7 1
# 7772505000 CPU PCB ASSY AX-7 1
7695104000 CONTACT PCB ASSY + RUBBER AX1 1
IC
15229718RI I.C. 6N 137 PHOTO-COUPLER IC1 on CPU 1
15169550RI I.C. 74 HC138 DIP CMOS IC21 on CPU 1
15249111 I.C. TC7WU04 F FLAT CMOS IC13 on CPU 1
J5259127 I.C. 74 HC 10 IC16 on CPU 1
J5259113 I.C. 74 HC 390 FLAT CMOS IC14 on CPU 1
J5259128 I.C. 74 HC 393 FLAT IC17 on CPU 1
15259821 I.C. TC74HC573AF IC10 on CPU 1
00129278 I.C. SSC1080 FOB (CUSTOM IC) IC11 on CPU 1
J5259153 I.C. AT24C64N-10SC 64K EEPROM IC6 on CPU 1
15259884 I.C. TC7S08F MOS CMOS IC9 on CPU 1
15249104 I.C. TC7S04F FLAT IC12 on CPU 1
J5259149 I.C. TC74VHC541FT FLAT IC7 on CPU 1
15219183 I.C. M51953 AL (STANDING) IC8 on CPU 1
15149146 I.C. TD62583AP (INTERF.DRIVER IC) IC22 on CPU 1
15289105 I.C. UPC 4570G (OP AMP) IC20 on CPU 1
15189189 I.C. UPC 4570HA VERT. (OP.AMP.) IC1 on CPU 1
15289141 I.C. M5223FP-600D IC18,23 on CPU 2
# 7772506000 I.C. MICRO IC2 CPU A-37/AX-7 IC2 on CPU 1
TRANSISTOR
15129114 TRANSISTOR 2SC-1815GR Q7 on CPU 1
15319101 TRANSISTOR 2SC-2412K Q14 on CPU 1
15309101 TRANSISTOR 2SA-1037KR Q6 on CPU 1
15329503 TRANSISTOR DTA-124 EK CHIP Q1 on CPU 1
PARTS LIST AX-7
When ordering any parts listed in the parts list,please specify the following items in the order sheet.
QTY PART NUMBER DESCRIPTION MODEL NUMBER
Ex. 10 22575241 Sharp Key C-20/50
15 2247017300 Knob (orange) DAC-15D
Failure to completely fill the above items with correct number and description will result in delayed or
even undelivered replacement.
CONSIDERATION ON PARTS ORDERING
NOTE:
# The parts marked " # '' are new (Initial Parts).
A The parts marked " A '' are new (Initial Parts).for RES but already used by RJA
The parts marked have Safety - Related characteristics.
Use only listed parts for replacement.
<< EMI >> Component for EMC.
NNoottee :: Replacement should be made on a unit basis. No replacements available for individual parts.
Replacement only be a unit.
SAFETY PRECAUTIONS :
The parts marked have
safety-related characteristics.
Use only listed parts for
replacement.
4
AX-7
Nov, 2001
KEYBOARD PARTS LIST
45 KEY KEYBOARD TP-7/BA Code: 7695105000
RCB = Right Control Board
LCB = Left Control Board
CPU = CPU Board
CB = Contact B.
CDB = D-Beam Board
!
!
!
Page 5
AX-7
Nov, 2001
5
15129427 TRANSISTOR 2SC-2235Y Q8 on CPU 1
15329516 TRANSISTOR DTC-114EK Q2 on CPU 1
15119163 TRANSISTOR RN2227 Q9,10,11,12,13 on CPU 5
15329104 TRANSISTOR 2SK-368GR FET CHIP Q5 on CPU 1
J5119105 TRANSISTOR TN6717A Q3,4 on CPU 2
DIODE
15019159RI DIODE 1N-4148 on LCB / on CDB / on RCB / on CB 102
15339105 DIODE DAN-202K D9,10 on CPU 2
15339108 DIODE DA-204K D1,2,7,12,13 on CPU 5
00893912 DIODE SFPB-56 CHIP D3 on CPU 1
15339109 DIODE DAP 202K CHIP D8,5 on CPU 2
J5029107 LED DIODE 3 SLR-37VR3F - RED D1,2,3,4,5 on RCB / D1,2,3,4 on LCB 9
01341623 DIODE LED TLN 201 D1 on CDB 1
01342578 PHOTO DIODE TPS 708 D2 on CDB 1
15019345RI ZENER DIODE BZX79C 5.6V D4 on CPU 1
J5019106 ZENER DIODE BZX55C 5,1V D6,11 on CPU 2
J5019116 DIODE TRANSIL BZW04-5V8B D10 on LCB 1
RESISTOR
J3919104 RESISTOR ARRAY EXB-A10E-103-J RA1,3,4,5,6 on CPU 5
J3919108 RESISTOR ARRAY EXB-V8V-103-JV RA2 on CPU 1
13819131RI UNINFL.RES. 10 OHM 0.6W 5% R65 on CPU 1
J3809129 UNINFL. RES. 220 OHM 0.6W 5% R34 on CPU 1
J3809135 UNINFL.RES. 330 OHM 0.6W 5% R77,81,82,83,84,85,86,87 on CPU 8
POTENTIOMETER
13289217 ROT. POT. 100KB 09L1120 VR1 on LCB 1
13299206 TRIMMER POT. EVND 8AA03B24 VR1 on CPU 1
CAPACITOR
J5369103 ELECTR. COND. RV2 100U 16V (SMD) C64,37 on CPU 2
J5369104 ELECTR. COND. RV2 10U 16V (SMD) C2,11,15,41,81,83,85,86,87,89,94,95 on CPU 12
J5369105 ELECTR. COND. RV3 33U 16V (SMD) C91 on CPU 1
J5369102 ELECTR.COND. RV2 47U 16V (SMD) C42,65,66 on CPU 3
J5369106 ELECTR. COND. RV2 1U 50V (SMD) C12,70 on CPU 2
J3629143 ELECTR. COND. 10U 16V H.7 C3,5 on CDB 2
J3629142 ELECTR. COND. 1U 63V H.7 C1 on LCB 1
INDUCTOR, COIL, FILTER
<<EMI>> 12449382RI NOISE SUP. PLT1-R53C L4 on CPU 1
<<EMI>> 12449370 NOISE SUP. SBT-0160W L1,2 on CPU 2
<<EMI>> 12449326 NOISE SUP. SBT-0460 L3 on CPU 1
<<EMI>> J2399104 CHIP NOISE SUP. EXCCL4532U1 L5,6,7,8 on CPU 4
CRYSTAL, RESONATOR
00894034 X-TAL 16 MHZ MA-406 X1 on CPU 1
01124812 QUARTZ 10 MHZ MA-406 X2 on CPU 1
CONNECTOR
13419677RI 16P FEM. CONNECTOR AMP 1.27 CN2,4 on CPU / on RC / on LC 4
J3429114 22P FEM. CONN. C/1.25 - H. CN3 on LCB / CN9 on CPU 2
J3429122 14P FEM. CONNECTOR AMP 1.27 CN1 on RCB 1
J3429123 8P FEM. CONNECTOR IL-404-08S-LW CN1 on LCB 1
# J3429127 28V FEMALE CONN. 1,25 90° FE-ST-VK-N CN3 on RCB / CN6 on CPU 2
J3439125 5P MALE CONNECTOR P.2 M CN2 on RCB / CN1 on CDB 2
WIRING, CABLE
# K3468260 22P MYLAR CABLE (44) 1,25 From CN9 on CPU to CN3 on LCB 1
# K3468261 28P MYLAR CABLE (16) 1.25 From CN6 on CPU to CN3 on RCB 1
2348854501 16P FLAT CABLE (18) -2C From CN4 on CPU to CN2 on CB 1
7695108001 16P FLAT CABLE (24) -2C From CN2 on CPU to CN1 on CB 1
7770306000 5P CABLE (8) -2C P.2 D/R VA-5 From CN1 on CDB to CN2 on RCB
BATTERY
J2569102 2-BATTERY SET 'AA'-SIZE (ALK.) 3
SCREW
J2289122 SCREW 2.2X6 TC TC BRUN 2
J2289102 SELF TAP. SCREW 2.9X10 TC TC 6
J2289124 SELF TAP. SCREW 2.9X 6 TCTCPRBZ 27
J2289125 SCREW 2.9X10 TC TC PR TROP 50
J2289132 PITCH SCREW M3X16 TC TC 2
J2289134 PITCH SCREW M3X17 TC TSC 3
PACKING
K2638127 POLYST. LOWER SIDE COVER 1
# K2638265 UPPER POLYST. SIDE AX-7 1
K2678102 POLYETH. ENVELOPE 25X45 2
# K2618264 OUTER CARTON AX-7 1
MISCELLANEOUS
J2289113 NUT 3MA H.3 5
J2139101 FLAT WASHER I/D 4 2
J2139111 FLAT WASHER I/D 3X7 TH. 0.6 4
J2139102 TOOTHED WASHER I/D 3 5
K2168105 SPACER F/LED H.12 HEX. 5
K2168107 SPACER F/LED H.8.8 HEX. 4
00453223 LED SPACER H. 7 E.D. 5 2
J2359101 SPACER 3M ART. SJ5012 6
J2159102 PLASTIC RIVET SR3055 4
J2209101 6-BATTERY HOLDER 1
22925256 CONTACT F/SENSOR AX-1 1
# 01237945 PRESSURE SENSOR PB-A0101 1
# K2268170 VIBRATION DAMPER 60X36 (LIGHT) AX-7 1
# K2268171 VIBRATION DAMPER 70X49 (LIGHT) AX-7 1
# K2268172 VIBRATION DAMPER 599X20 (LIGHT) AX-7 1
# K2268173 VIBRATION DAMPER 39X83 (LIGHT) AX-7 1
02452467 RIBBON SENSOR HPD-15 1
13419723RI 9V BATTERY CONNECTION 1
J2129102 FEMALE LOCK FOR BELT AX1 1
K2178101 EXTENSION SPRING 1
22365708 HOLDER F/POWER SUPPLY CBL 1
K2148103 MODULATION BAR AX-1 1
K1188118 CONTACT HOLDER + SENSOR 1
01343089 D-BEAM CONTROLLER ESCT BLK 1
13429823RI P. SUPPLY PLUG LOCKING 1
ACCESSORIES
J2319101 BLACK BELT - 1.6 M 1
J3439116 MIDI CBL - BLACK - 5 M. 1
K6018109 MIDI GUIDE 1
# K6018456 OWNER'S MANUAL E/D/F/SP/IT/OL AX-7 1
Page 6
AX-7
Nov, 2001
6
a) Front Panel check (Controls)
Once you have entered the control panel check, press button 1:
The display visualizes:
If you press the button 1, you check the b
uttons.
If you press the button 2, you check the LEDs
.
If you press the button 3, you check the Controls (Expression bar, Touch controller, Data entry).
Buttons check
Once you have entered the front panel test mode, press button 1.
The display visualizes pict. A:
If you press the buttons of the control panel one after the other, the display will visualize their name.
When you release the button, the display will visualize: OFF (See pict. B).
Press EXIT and WRITE at the same time to exit.
The test procedure automatically goes back to the previous menu.
Note: It is not possible to go on to the following step if this test is not carried out correctly.
If you exit the test before checking all the buttons, the display indicates the name of the untested
buttons.
Press EXIT to go back to the main menu.
LED c
heck
Once you have entered the control panel check, press button 2.
The control panel LEDs and the display segments will light in sequence.
Press EXIT to leave this test.
Press EXIT again to go back to the main menu.
Contr
ol check (Expression bar, Touch controller, Data entry).
Once you have entered the control panel check, press button 3.
The display visualizes:
Pressing the button 1, you check the Expression bar
.
Pressing the button 2, you check the T
ouch controller.
Pressing the button 3, you check the Data entry potentiometer.
Expression bar
Once you have pressed the button 1, the display visualizes:
Pict. A (value 0) if the Expression bar is released;
Pict. B (value 127) if the Expression bar is completely pressed.
A B
A B
TEST MODE
ITEMS REQUIRED:
· MIDI cable;
HOW TO VISUALIZE THE SYSTEM PROGRAM VERSION
Turn the instrument on, while keeping pressed the button 2 of section PATCH.
After a few seconds, the display will visualize a writing identifying the software version:
i.e.: VER 100 - 04 oct 2001
To exit, turn the instrument off.
HOW
TO CARRY OUT THE FACTORY SETUP
Turn the instrument on while keeping the button WRITE pressed.
After a few seconds, the display will visualize the writing Factory setup.
The Factory Setup function re-establishes the instrument's factory settings.
HOW TO ENTER TEST MODE
Turn the instrument on while keeping pressed the button 1 of section PATCH.
After a few seconds, the display will visualize the following writing:
TEST ROLAND AX-7 VERSION 1.00
Then the display visualizes:
Every button of section Patch corresponds to a test to carry out.
Button 1 ⇒ P
anel check ("F": Front, "R": Rear);
Button 2 ⇒ K
eyboard check
Button 3 ⇒ Memory check
Turn the instrument off to exit test mode.
Note: After carrying out the tests, the instrument automatically performs the Factory Setup.
1) PANEL CHECK (FRONT / REAR)
Once entered test mode, press button 1. The display visualizes:
If you press button 1, you check the Front Control Panel.
If you press button 2, you check the Rear Control panel (MIDI, D-Beam, HOLD and Battery).
Press EXIT to come back to the previous menu.
Page 7
AX-7
Nov, 2001
7
Press EXIT to leave.
Press EXIT again to go back to the main menu.
T
ouch 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);
Pict. B (Value 63), if you press the touch controller from the middle rightwards;
Pict. C (Value - 63), if you press the touch controller from the middle leftwards.
Press EXIT to leave.
Press EXIT again to go back to the main menu.
Data entr
y
Once you have pressed button 3, the display visualizes:
Pict. A (value 0) if the potentiometer slider is in low position;
Pict. B (value 127) if the potentiometer slider is in high position.
Press EXIT to leave.
Press EXIT again to go back to the main menu.
b) Rear panel (HOLD, D-Beam, Battery, MIDI)
Once you have entered the rear panel test mode rear panel, press button 2.
The display visualizes:
Press button 1, to check HOLD s
witch and D-Beam.
Press button 2, to check the Power battery.
Press button 3, to check the MIDI.
HOLD switch and D-Beam check
Once you have entered the rear panel test mode, press button 1.
The display visualizes:
Press button 1, to check the HOLD switch.
Press button 2, to check the D-Beam.
HOLD s
witch
If you press the HOLD switch, the display visualzes the status ON (Pict. A); when you release
the HOLD switch, the display visualizes its new status OFF (Pict. B).
A B
A B C
Press EXIT to leave.
Press EXIT again to go back to the main menu.
D-Beam
Make sure that the value of the D-Beam controller ranges from 0 (Pict. A) to 127 (Pict. B)
depending on the vertical distance of your hand from the infrared LEDs of the D-Beam.
When standing still, the value shown must be 0.
Press EXIT to leave.
Press EXIT again to go back to the main menu.
P
ower Battery check
Once you have entered the rear panel test mode, press button 2.
The display visualizes a value representing the power battery charge level, expressed in % value
(i.e.: 100 = 100 %).
Press EXIT to leave.
Press EXIT again to go back to the main menu.
Midi c
heck
Once you have entered in the rear panel test mode, press button 3.
The display visualizes:
Connect MIDI IN and MIDI OUTsockets by a Midi cable.
In case of correct data transmission and reception, the display visualizes the writing "go".
In case of failure, the display visualizes "0 - 1".
Press EXIT to leave.
Press EXIT again to go back to the main menu.
A B
A B
Page 8
8
AX-7
Nov, 2001
2) 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, provided of a sound source.
Press the keyboard keys. When the keys are released, the display visualizes OFF.
When you press a key, you hear a Piano sound and the display visualizes the velocity level (from 0 to 127).
Press EXIT to leave.
Press EXIT again to go back to the main menu.
3) MEMORY CHECK
Once you have entered in test mode, press button 3.
The display visualizes:
The instrument carries out the DEVICE CHECK (Pict. A) automatically.
Caution: Don't turn the power off during this test. If the power goes off accidentally, carry out the test again.
At the end of all the tests, make sure the display visualizes the writing "go" (Pict. B). This means that the
instrument memory has been implemented correctly. In case the display visualizes the writing "Err", it means
that the memory is damaged.
Press EXIT to leave.
To exit, turn the power off.
Note 1: When you turn the power on again, the Factory Setup is carried out automatically.
Note 2: If you press EXIT when the display visualizes the main menu, you enter test mode again.
A B
Released key
Pressed key
Page 9
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
9
11
AX-7
Nov, 2001
BLOCK DIAGRAM
IN
OUT
MIDI
5
2
4
5
2
4
3
3 1
1
D-BEAM
CONTROL
IC1
PHOTO
16MHz
X1
IC8
RESET
IC2
M38039MFFP
AN0-AN2
XIN
XOUT
XOUT
XRES
AN6
AN4
P10-P13
P20-P27
P50-P52
INT1
P30
P31
P32
P33
P36
P00-P07
CPU
RXD3
TXD1 WP
P57
P56
P55
MAIN BOARD
IC10
LATCH
IC7
3STATE
BUFFER
IC6
SDA
SCK
EEROM
IC11
XINT
A0
A1
XRD
XWR
XCS
KEYSCAN
MK0-MK5
BR0-BR5
D0-D7
T0-T7
CLK
10MHz
X2
IC22
IC21
RIBBON
MOD
UNIT
DATA
ENTRY
LED
MATRIX
BUFFER
Q9-Q13
BUFFER
DECODER
SWITCH
MATRIX
CONTROL BOARD
IC1
D-BEAM
PHOTOC.
HOLD
SWITCH
DISPLAY
DC IN 9V
+
-
BATTERY
POWER SWITCH
1
1 2
2
3
1 2
VBTY
+5VD
POWER SUPPLY
45 KEY
KEYBOARD
Page 10
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
10
11
AX-7
Nov, 2001
CPU PCB ASSY
ASSY 7772505000
View from component side
Page 11
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
11
11
AX-7
Nov, 2001
CIRCUIT DIAGRAM (CPU PCB ASSY 1/3)
JK1
MIDI
HLD
IN
OUT
HOLD
C64
100uF16s
L8
EXCCL4532U1
TCS_5350_01_4051
1
4
5
3
JK3
TCS_5350_01_4051
1
4
5
3
L3
SBT0460 C4
R93
1Ks
+5VD
D13
DA204K
VBTY
AD
3
2
2
C101
100nFs
R38
D
R20
22Ks
21
1K5s
C66
47uF16s
L1
SBT0160
1
2
1
2
L2
SBT0160
100nFs
5VREF
2
R94
NIU
Q4
TN6717A
2
C65
47uF16s
A A
W
4
3
4
3
W
R11
NIU
D2
DA204K
R92
10Ks
3
Q14
1
2SC2412K
REF
8V
13
D1
220s
DA204K
R2
3
220s
R4
220s
R7
3
1
D
VBTY+5VD
3
2 1
REF
D
C102
100nFs
TP5
TP
1
2
3
21
4 5
Q1
DTA124EK
2
Q2
DTC114EK
2
R18
56Ks
R19
47Ks
TP
TP2
TP
TP3
D
C18
+5VD
NIU
D
NC
LA
LC
NC GND
+5VD
13
C9
NIU
D
4
R15
0s
C12
1uF16s
+5VD
D
1
2
3
DC IN 9V
200 mA
BATTERY
+
-
JK2
HEC04700161030
2
+
1
-
CN5
KRESS_3V2C
1
2
3
1
2
C36
C58
100nFs
D
8
GND
IC14C
74HC390M1R
L4
PLT1R53C
+5VD
16
VCC
1 2
4
SW2
3
SSSP12114A
C39
D3
SFPB_56
1 2
CN8
NIU
Only for EMU
C37
100uF16s
1
2
3
4
5
6
7
IC8
VCC
NC
GND
M51
8
6
4
+5VD
+5VD
C
RA2
4x10Ks
R13
NIU
18
17
16
15
14
13
12
11
+5VD
2
3
4
5
6
7
8
9
11
1
D
7
5
3
12
XINT
XRD
XWR
XCS
XRES
DATA
BEND
MOD
DBEAM
SSD0
SSD1
SSD2
SSD3
LLD0
LLD1
LLD2
LLD3
LLD4
LLD5
LLD6
LLD7
R22
10Ks
R23
10Ks
+5VD
KD0
KD1
KD2
KD3
KD4
KD5
KD6
KD7
KD0
KD1
KD2
KD3
KD4
KD5
KD6
KD7
XRD
INT
A1
A0
+5VD
R14
NIU
WP
SCK
SDA
R16
R17
SSC0
SSC1
SSC2
SSC3
1Ks
1Ks
D
+5VD
+5VD
8
VCCWPA0
7
6
SCL
5
SDA
IC6
STMM24C64_MN6
C16
s
100nF
C31
100nFs
D
49
48
47
KD7
44
KD6
43
KD5
42
KD4
41
KD3
40
KD2
39
KD1
38
KD0
37
34
36
35
45
50
C63
51
10nFs
52
D
D
GND
D
C5
27pFs
A1
A2
CLK
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
INT
RD
WR
CS
RESET
TEST1
TEST2
SSC0
8
7
6
5
IC4
NIU
1
2
3
4
+5VD
SSC1
SSC2
SSC3
C7
C6
27pFs
27pFs
VCCWPA0
SCL
SDA
C13
s
100nF
D
7
33
VDD
VDD
SC10
PR10
SC9
PR9
SC8
PR8
SC7
PR7
SC6
PR6
SC5
PR5
SC4
PR4
SC3
PR3
SC2
PR2
SC1
PR1
SC0
PR0
VSS
VSS
20
46
D
0s
R5
0s
R6
0s
R8
R9
0s
C8
27pFs
1
2
A1
3
A2
4
GND
KEYBOARD
IC11
SSC1080
24
23
22
21
19
18
17
16
15
14
13
12
11
10
9
8
6
5
4
3
2
1
31
T7
30
T6
29
T5
28
T4
27
T3
26
T2
25
T1
32
T0
D
SC0
SC1
SC2
SC3
LEFT
RIGHT
MK0
BR0
MK1
BR1
MK2
BR2
MK3 T6
BR3
MK4
BR4 T1
MK5
BR5
MK6
BR6
MK7
BR7
MK8
BR8
MK10
BR10
MK9
BR9
MK8
BR8
MK7
MK9
BR7
BR9
MK6
MK8
BR6
BR8
MK5
MK7
BR7
BR5
MK4
MK6
BR4
BR6
MK3
MK5
BR5
BR3
MK2
MK4
BR4
BR2
MK1
MK3
BR3
BR1
MK0
MK2
BR0
BR2
MK1
T7
BR1
MK0
T6
BR0
T5
T4
T3
T2
T1
T0
CN2
1
2
3
4
5
6
7
8
AMPC1_2716P
CN4
1
2
3
4
5
6
7
8
9
AMPC1_2716P
+5VD
C33
NIU
C35
NIU
C40
100pFs
C44
100pFs
C46
100pFs
C49
100pFs
C52
100pFs
C54
100pFs
C56
100pFs
C61
100pFs
2
3
4
5
6
7
8
9
RA3
8x10Ks
2
3
4
5
6
7
8
9
RA4
8x10Ks
2
3
4
5
6
7
8
9
RA6
8x10Ks
1
1
1
C34
NIU
C38
NIU
C43
100pFs
C45
100pFs
C48
100pFs
C50
100pFs
C53
100pFs
C55
100pFs
C57
100pFs
C62
100pFs
MK0
BR0
MK1
BR1
MK2
BR2
MK3
BR3
T0
16
T1
15
T2
14
T3
13
T4
12
11
10
9
20
19
18
17
16
15
14
13
12
1110
T5
T7
T0
T2
T3
T4
T5
T6
T7
MK9
BR9
MK4
BR4
MK5
BR5
MK6
BR6
MK7
BR7
MK8
BR8
MK9
BR9
MK10
BR10
D
+5VD
1
2
3
4
5
6
7
8
9
R10
22Ks
D
X1
C22
22pFs
D
+5VDVBTY
C51
100nFs
CKA
CKB
CLR
+5VD
RA1
8x10Ks
D
IC2
56
P30/DA1
55
P31/DA2
54
P32
53
P33
52
P34/RXD3
51
P35/TXD3
50
P36/SCLK3
49
P37/XSRDY3
21
P40/INT40/XCOUT
20
P41/INT00/XCIN
17
P42/INT1
16
P43/INT2
15
P44/RXD1
14
P45/TXD1
13
P46/SCLK1
12
P47/XSRDY1/CNTR2
18
CNVSS/VPP
3
P60/AN0
2
P61/AN1
1
P62/AN2
64
P63/AN3
63
P64/AN4
62
P65/AN5
61
P66/AN6
60
P67/AN7
58
VREF
59
AVSS
19
XRES
22
XIN
23
XOUT
M38039MFFP
C23
22pFs
M38039FFFP FLASH ON-BOARD
FOR PRE-PRODUCTION ONLY
D
C26
NIU
D
53
4
D
C32
100nFs
D
53
2 4
D
+5VD
84
D
15
12
14
R1
NIU
+5VD
C10
100nFs
D
24
VSS
+5VD
IC9
NIU
1
2
+5VD
IC12
TC7S04F
IC13D
TC7WU04F
FOR BUILT-IN FLASH
PROGRAMMING
CN1
NIU
3 4
5 6
7 8
9 10
D
+5VD
57
VCC
P10/INT41
P11/INT01
P20/LED0
P21/LED1
P22/LED2
P23/LED3
P24/LED4
P25/LED5
P26/LED6
P27/LED7
P50/SIN2
P51/SOUT2
P52/SCLK2
P53/XSRDY2
P54/CONTR0
P55/CONTR1
P56/PWM
P57/INT3
P00/AN8
P01/AN9
P02/AN10
P03/AN11
P04/AN12
P05/AN13
P06/AN14
P07/AN15
RES
FRES
R31
0s
XRES
XINT
INT
MA_406_10M000Hz
D
3
QA
5
QB
6
QC
7
QD
IC14A
74HC390M1R
21
C11
10uF16s
P12
P13
P14
P15
P16
P17
XWR
+5VD
1
RA5
8x10Ks
IC13B
TC7WU04F
3 5
R36
1Ms
X2
C59
22pFs
CKA
CKB
CLR
D
SSD0
40
SSD1
39
SSD2
38
SSD3
37
TEST
36
MODSEL0
35
MODSEL1
34
33
LLD0
32
LLD1
31
LLD2
30
LLD3
29
LLD4
28
LLD5
27
LLD6
26
LLD7
25
SC0
11
SC1
10
SC2
9
SC3
8
7
SCK
6
SDA
5
WP
4
D0
48
D1
47
D2
46
D3
45
D4
44
D5
43
D6
42
D7
41
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
6 2
R37
270s
C60
22pFs
D
1
4
2
D0
D1
D2
D3
D4
D5
D6
D7
IC7
TC74VHC541FT
D0
D1
D2
D3
D4
D5
D6
D7
IC10
TC74HC573AF
IC13C
TC7WU04F
IC13A
TC7WU04F
17
D
D
SSD0
SSD1
SSD2
SSD3
C17
100nF
2
3
4
5
6
7
8
9
1
19
C27
100nF
19
18
17
16
15
14
13
12
DATA
BEND
MOD
DBEAM
SSD0
SSD1
SSD2
SSD3
LLD0
LLD1
LLD2
LLD3
LLD4
LLD5
LLD6
LLD7
s
A1
A2
A3
A4
A5
A6
A7
A8
G1
G2
s
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
R35
100s
C47
100pF
R12
10Ks
SCK
SDA
WP
SCK
SDA
2010
2010
DIVEN
VCCGND
VCCGND
s
TP
TP1
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
D
D1
D2
D3
D4
D5
D6
D7
D8
OC
D
IN
OUT1
SPD
XRES
C20
10nFs
D
RES
SW1
NIU
XRES
1 2
D4
BZX79C5V6
DIVEN
A0
A1
XCS
XRD
XWR
XINT
RSVD
FSDA
FSCLK
FXOE
FBUSY
FVPP
FRES
C3
10nFs
A0
A1
XRD
XWR
IN
XCS
FXOE
DIVEN
SPD
XINT
RSVD
FSDA
OUT1
FSCLK
FBUSY
FVPP
DATA
BEND
MOD
AFT
HOLD
FOOTPED
DBEAM
BTYCHK
XRES
MA_406_16M000Hz
S
XRE
L5
EXCCL4532U1
C42
47uF16s
13
QA
11
QB
10
QC
9
QD
IC14B
74HC390M1R
C1
+5VD
100nFs
D
8
VCC
7
EN
6
OUT
IC1
6N137
C2
10uF16s
+5VD
53
1
2
D
R24
0s
R25
0s
D
D
C98
C19
NIU
100nFs
RES
CAP
953A
R30
10Ks
R32
10Ks
REF
D
VBTY
+5VD
D
BCLK
D
D
IC3
NIU
5VREF
R26
10Ks
5
4
C25
220nF
Poly 5%
REF
R34
220I C41
BCLK
R3
BTYCHK
HOLD
FOOTPED
REF
C15
10uF16s
REF
BEND
C21
100nFs
DD
10uF16s
3K3s
R21
10Ks
DATA
MOD
TP4
TP
D
DBEAM
AFT
DBEAM
C29
NIU
DBEAM
XRES
D
Q3
TN6717A
2
R39
0s
C67
100pFs
13
Page 12
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
12
11
AX-7
Nov, 2001
CIRCUIT DIAGRAM (CPU PCB ASSY 2/3)
TP6
DAP202K
D8
DAP202K
8V
R40
820KS
D5
3
2 1
3
2 1
D9
DAN202K
3
R41
68KS
R42
12KS
21
R59
120KS
R44
2K2S
R50
10KS
R53
68KS
R54
120KS
R55
1KS
8200pF
P.5 5%
C74
R57
100KS
R56
NI
TP
A
R43
22KS
-
4V
C68
10pFs R47
7
IC23B
M5223FP
8V
6
5
-
IC18B
M5223FP
100S
7
R45
10KS
C70
1uF16s
A
R51
A
27KS
Q5
2SK368GR
1 2
U
3
VR1
EVND8AA03B24
20K
R58
S
1M
2
13
C76
100nF
P.5 5%
6
5
R52
47Ks
C69
100nFs
R48
15KS
3
IC23A
R49
33KS
D7
DA204K
D
C71
100nFs
A
D
8V
2 1
2
3
C73
100nFs
M5223FP
-
7
GND
1
+5VD
14
VCC
L7
EXCCL4532U1
TP7
TP
R46
150s
D6
BZX55C5V1
1 2
+5VD
147
DBEAM
(AN7)
C72
10nFs
DD
IC16D
74HC10
L6
EXCCL4532U1
C75
100nFs
BEA
DIVEN
PULSE
BCLK
IC17C
8V
C84
100nFs
74HC393
FLAT
IC23C
M5223FP
-
8
4
A
M
C78
47nF
P.5 5%
1 3
AQA
CLR
IC17A
74HC393
QB
QC
QD
R60
4K7S
4
5
62
13 11
4V
AQA
CLR
IC17B
74HC393
FLAT
PULSE:
FREQUENCY: 6.25KHz
DUTY:12.5%
PULSE WIDTH:20uS
C77
47pFs
2
3
-
QB
QC
QD
10
9
812
1
IC18A
M5223FP
1
2
13
IC16A
74HC10
FLAT
12
C79
22pFs
PULSE
3
4
5
6
IC16B
7
4HC10
FLAT
3
21
D10
DAN202K
2SA1037KR
+5VD
10
11
C82
IC18C
M5223FP
-
8
8V
4
C83
10uF16s
A
8V
R61
1K5S
1
Q6
R63
33KS
9
2
3
D
8
IC16C
74HC10
FLAT
D11
BZX55C5V1
XDBPLS
R62
3K3S
C81
10uF16s
1 2
100nFs
D
D
Page 13
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
13
11
AX-7
Nov, 2001
CIRCUIT DIAGRAM (CPU PCB ASSY 3/3)
+5VD
C90
100nFs
R78
100s
R67
22
D
3
R79
1_8
PULSE
Q7
2SC1815GR
PULSE
3
R73
10Ks
D
+5VD
10uF16s
2
1
C86
150pFs
C93
R76
100s
R65
10I
R68
22
TXA
2
Q8
2SC2235Y
1
R80
1_8
D
5VREF
VREF
C94
10uF16s
REF
BEND
MOD
DATA
GNDREF
RRW0
RRW1
RRW2
RRW7
D
CL3
Y0
Y1
Y2
Y4
Y5
SSD0
SSD1
SSD2
HLD
8V
R66
0s
R74
NIU
C91
33uF16s
RXK
RXATXK
C92
NIU
22FE_ST_VK_N
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
4V
R70
NIU
A
R72
100Ks
R75
NIU
A
CN9
To Left Control Board
(CN3)
2
3
R97
0s
R98
NIU
-
R71
0s
IC20A
UPC4570G
RXK
RXA
TXK
TXA
8V
IC20C
UPC4570G
R64
-
8
R77
R81
R82
R83
R84
R85
R86
R87
4
A
RRW0
330I
RRW1
330I
RRW2
330I
RRW3
330I
RRW4
330I
RRW5
330I
RRW6
330I
RRW7
330I
8V
C87
10uF16s
C88
100nFs
R95
RXK
RXA
TXK
TXA
GND
NIU
R96
0s
BEA
M
RW0
RW1
RW2
RW3
RW4
RW5
RW6
RW7
1
A
D
D12
DA204K
10Ks
C85
10uF16s
(CN3)
4V
R91
6
s
SSD0
SSD1
SSD2
SSD3
RRW0
RRW1
RRW2
RRW3
RRW4
RRW5
RRW6
RRW7
CL0
CL1
CL2
CL3
CL4
RXK
RXA
GND
TXK
TXA
10uF16s
Y0
Y1
Y2
Y3
Y4
Y5
5
C89
3
R69
10Ks
2 1
C100
A
100nF
-
IC20B
UPC4570G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
7
CN6
28FE_ST_VK_N
0s
To Right Control Board
HLD
DATA
BEND
MOD
HLD
DATA
BEND
MOD
SSC0
SSC1
SSC2
SSC3
SSD0
SSD1
SSD2
SSD3
LLD0
LLD1
LLD2
LLD3
LLD4
LLD5
LLD6
LLD7
SSC0
SSC1
SSC2
SSC3
SSD0
SSD1
SSD2
SSD3
LLD0
LLD1
LLD2
LLD3
LLD4
LLD5
LLD6
LLD7
LLD0
LLD1
LLD2
LLD3
LLD4
LLD5
LLD6
LLD7
+5VD
1
2
1
2
1
2
1
2
1
2
Q9
RN2227
Q10
RN2227
Q11
RN2227
Q12
RN2227
Q13
RN2227
CL0
CL1
CL2
CL3
CL4
C95
10uF16s
IC21
74HC138P
SSC0
1
D
2
3
6
4
5
+5VD
A
B
C
G1
G2A
G2B
VCC
16
SSC1
SSC2
R88
NIU
SSC3
109
NCGND
1
I0
2
I1
3
I2
4
I3
5
I4
6
I5
7
I6
8
I7
O0
O1
O2
O3
O4
O5
O6
O7
D
RW0
18
RW1
17
RW2
16
RW3
15
RW4
14
RW5
13
RW6
12
RW7
11
IC22
TD62583AP
C96
100nF
8
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
GND
s
15
14
13
12
11
10
9
7
Y0
Y1
Y2
Y3
Y4
Y5
D
Y0
Y1
Y2
Y3
Y4
D
3
3
3
3
3
Page 14
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
14
11
AX-7
Nov, 2001
LEFT CONTROL PCB ASSY & CIRCUIT DIAGRAM ASSY 7772502000
View from component side
CN1
From Ribbon Sensor
5597-08APB
From Modulation Control Unit
8
7
6
5
4
3
2
1
D10
BZW04_5V8B
CN2
CONN_2X1
RW0
D1
12
LOWER
RW1
D2
12
UPPER
VREF RW2
R1
820
1K
R3
R5
820
1 2
R7
10K
2
1
C1
U
NI
C2
100nF
R2
10K
100K
R4
R6
10K
GNDREF
BEND
DGND
VREF
MOD
GNDREF
RW7
CL3
SW1 SW2 SW3
LOWER UPPER SPLIT
SSD0
SSD1
D3
12
SPLIT
D4
12
START/STOP
All switches are EVQPAE05R.
All LEDs are 3SLR37VR3F.
SW4 SW5
DOWN UP
SW6
Data Control Pot.
13
2
VR1
RK09L1120100KB1F15AC
100KLIN Mono
VREF
DATA
GNDREF
CN3
22FE_ST_VK_N
VREF
1
BEND
2
DGND
DATA
GNDREF
MOD
34567
Y4
Y5
Y0Y1Y2
RW7
CL3
RW2
RW1
RW0
8
9101112131415161718192021
SSD0
DGND
SSD1
HOLD
DGND
SSD2
22
To Main Board
(CN9)
SSD2
HOLD
DGND
D
START/STOP
SW7
12
D5
Y0
12
D6
Y1
12
D7
Y2
12
D8
Y4
HOLD
12
D9
Y5
DGND
Page 15
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
15
11
AX-7
Nov, 2001
RIGHT CONTROL PCB ASSY & CIRCUIT DIAGRAM ASSY 7772501000
View from component side
RW3
SSD0
SSD1
SSD2
SSD3
1
SW
CONTROL
SW
4
SW
5
SW
6
SW
7
DATA PROGRAM A/B 1
CHANGE
SW
10
SW
11
SW
12
SW
13
2345
SW
15
12
D6
SW
16
12
D7
SW
17
876
12
D8
SW18 S W19
TRANSPOSE
12
D9
12
SW2
ENTER
SW
DOWN
EXIT
D10
3
SW
WRITE
8
SW9
UP
SW
14
DBEAM
12
D11
D1
CONTROL
D2
DATA
D3
PROGRAM
CHANGE
D4
TRANSPOSE
D5
DBEAM
12
RW4
12
RW1
RW5
12
RW6
12
3
CL
RW7
12
CL4
RW3
RW5
RW7
CL1
D D
TO 3X7 SEGMENT DISPLAY
AMPC1
1
2
3
4
5
6
7
CN1
_2714P
14
13
12
11
10
9
8
RW0
RW2
RW4
RW6
CL0
CL2
Y0
Y1
All switches are EVQPAE05R.
All LEDs are 3SLR37VR3F.
Y2
Y3
Y4
28FE_ST_V
Y5
CN3
K_N
SSD0
SSD1
SSD2
26
27
28
SSD3Y0Y1Y2Y3Y4Y5
19
20
21
22
23
24
25
RW0
18
RW1
RW2
16
17
RW4
RW3
14
15
RW5
13
RW6
12
RW7
CL0
CL1
91011
CL2
8
CL3
CL4
CN2
5301
4_0510
TXA
DGND
TXA
TXK
RXK
RXA
34567
2
1
From Main Board
TXK
RXA
RXK
DGND
(CN6)
1
2
3
4
5
D
To DBeam Board
(CN1)
Page 16
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
16
11
AX-7
Nov, 2001
DISPLAY PCB ASSY & CIRCUIT DIAGRAM
ASSY 7772504000
View from component side
D-BEAM PCB ASSY & CIRCUIT DIAGRAM
ASSY 7772503000
View from component side
CN1
DRW1
DRW3
DRW5
DRW7
CL1
1
2
3
4
5
6
7
D D
From Right Control Board
(CN1)
DRW0
DRW1
DRW2
DRW3
DRW4
DRW5
DRW6
DRW7
DRW0
DRW1
DRW2
DRW3
14
13
12
11
10
9
8
DRW0
DRW2
DRW4
DRW6
CL0
CL2
DRW4
DRW5
DRW6
DRW7
DRW0
DRW1
DRW2
DRW3
DRW4
DRW5
DRW6
DRW7
25
a1
24
b1
4
c1
2
d1
1
e1
27
f1
28
g1
5
DP1
21
a2
20
b2
7
d2
6
e2
23
f2
22
g2
9
DP2
16
a3
15
b3
13
c3
11
d3
10
e3
17
f3
12
g3
14
DP3
DS1
LB603VF
A1ac2
A2
A3
A1b
38
19
18
26
3X7 SEGMENT DISPLAY
CL0
CL1
CL2
From Right Control Board
(CN2)
-
8V
C3
10uF16
9
1
CN1
53014_0510
1
2
3
4
5
IC1C
UPC4570HA
5
C4
100nFC
A
8V
R1
3K3
C1
1uF16
4V
C6
A
100nFC
R4
100K
R2
10K
7
6
-
C5
10uF16
3
4
708
C2
10nF
POLY 5%
A
R6
100K
R7
100K
A
8V
21
1 2
R5
1M
D2
TPS
1 2
D1
TLN201
A
D3
1N4148
C7
U
NI
A
D
R3
100K
-
IC1A
UPC4570HA
8
IC1B
UPC4570HA
2
4V
Page 17
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
17
11
AX-7
Nov, 2001
CONTACT PCB ASSY w/RUBBER & CIRCUIT DIAGRAM
ASSY 7695104000
View from component side
CN1
P
AMPC1.2716
MK0
1
2
3
4
5
6
7
8
CN2
AMPC1.2716
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
P
16
15
14
13
12
11
10
9
BR0 T1
MK1
MK2
BR2
MK3
BR3
MK4
BR4
MK5
BR5
MK0
BR0
1 4
2 3
1 4
2 3
1 4
2 3
1 4
1 4
2 3
12
D1
T0
T2
T3BR1
T4
T5
T6
T7
121212
12
121212
2 3
12
12
1 4
2 3
1 4
2 3
1 4
2 3
12
12
12
121212
D16
1 4
2 3
1 4
2 3
12
12
12
12
D17
2 3
121212
1 4
2 3
1 4
1 4
2 3
1 4
2 3
1
MK
BR1
MK1 MK3BR1 BR3BR0 MK2MK0 BR2 MK4 BR5BR4 MK5
1 4
2 3
1 4
2 3
12121212121212
12
12
D33
D32
1 4
2 3
1 4
2 3
121212
12
1 4
2 3
1 4
2 3
1 4
2 3
2 3
12121212121212
BR2
MK2
1 4
2 3
1 4
2 3
1 4
121212
12
12
D48
1 4
2 3
12
121212
D49
1 4
2 3
1 4
2 3
1 4
2 3
12
12
1 4
2 3
1 4
2 3
12
1212121212
MK3
BR3
1 4
2 3
1 4
2 3
12
121212
D64
1 4
2 3
1 4
2 3
121212
12
12
D65
1 4
2 3
1 4
2 3
12
12
1 4
2 3
1 4
2 3
12
12
12
121212
MK4
BR4
1 4
2 3
1 4
2 3
12
12
12
D80
D81
1 4
2 3
1 4
2 3
12
12
121212
1 4
2 3
12
MK5
BR5
1 4
2 3
1 4
2 3
121212
12
D90
Loading...