Roland AX-7

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11
11
AX-7
Nov, 2001
CIRCUIT DIAGRAM (CPU PCB ASSY 1/3)
LEFT
RIGHT
TEST
MODSEL0
MODSEL1
BATTERY
200 mA
+
DC IN 9V
+
-
-
FOR BUILT-IN FLASH
PROGRAMMING
IN
OUT
MIDI
Only for EMU
KEYBOARD
HOLD
M38039FFFP FLASH ON-BOARD
FOR PRE-PRODUCTION ONLY
LLD6
LLD4
LLD3
LLD0
LLD5
BEND
HOLD
FOOTPED
DBEAM
BTYCHK
KD0
KD5
KD2
KD3
KD3
KD5
KD4
INT
KD4
KD6
KD7
KD1
KD0
KD7
KD2
KD6
KD1
INT
D0
D0
D6
KD7
D6
KD6
D7
D2
D4
D3
D0
D7
D3
D1
D5
D5
KD3
D7
KD5
D6
D2
D4
D6
D1
D2
D0
D5
D5
D2
D4
D3
D1
KD0
D1
KD4
D7
D4
D3
KD1
KD2
XRD
XINT
XINT
XWR
XRD
XCS
XINT
XRD
XCS
XWR
XWR
RES
A0
A1
A0
A1
RES
FSCLK
FVPP
FBUSY
FVPP
FXOE
FBUSY
FRES
FRES
A0
A1
XCS
XRD
XWR
XINT
RSVD
FSCLK
FXOE
FSDA
FSDA
LLD0
LLD4
MOD
BEND
MOD
DATA
AFT
RSVD
LLD7
SSD3
SSD3
SSD1
SSD2
SSD0
SSD1
SSD0
SSD2
LLD6
DBEAM
MK4
MK1
BR0
BR0
BR0
T7
MK0
BR2
MK2
T4
MK0
MK5
BR5
T7
T3
MK10
BR1
BR4
BR4
MK4
MK6
MK7
BR1
T6
BR5
BR4
MK3
T1
BR3
MK6
MK0
MK3 T6
MK7
T3
MK3
BR3
BR2
BR7
MK2
T0
MK1
MK4
MK4
T0
T4
BR2
MK5
MK6
BR0
BR1
T4
T2
BR6
MK7
BR5
BR6
T2
BR7
T0
MK3
BR4 T1
BR1
T3
MK6
MK1
BR3
T2
BR6
BR3
MK2
T5
T7
BR7
MK7
MK5
MK1
BR7
T5
T1
BR6
BR2
MK2
MK5
MK0
T5
BR10
T6
BR5
MK8
BR8
BR8
BR8
MK8
BR9
BR9
BR9
MK8
BR9
MK8
BR8
MK10
BR10
MK9
MK9
MK9
MK9
BTYCHK
SPD
XRES
XRES
SPD
XRES
XRES
SCK
SCK
SCK
WP
SDA
SCK
WP
SDA
SDA
SDA
WP
LLD2
LLD2
LLD1
LLD1
LLD3
LLD5
LLD7
SC0
SSC1
SC2
SC3
SC1
SC2
SSC0
SC3
SC0
SC1
SSC2
SSD1
SSD2
SSD3
SSD0
IN
OUT1
OUT1
IN
MOD
DBEAM
DATA
BEND
BCLK
FOOTPED
HOLD
AFT
DIVEN
DIVEN
DIVEN
SSC3
DATA
LLD0
LLD2
LLD6
LLD1
LLD3
LLD5
LLD4
LLD7
SSC0
SSC1
SSC2
SSD1
SSD2
SSD3
SSD0
DATA
MOD
BEND
DBEAM
BCLK
XRE
S
SSC3
HLD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
REF
+5VD
VBTY+5VD
REF
+5VDVBTY
+5VD
+5VD
+5VD
+5VD
REF
VBTY
A A
8V
VBTY
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
+5VD
D
D
D
D
D
D
D
D
D
D
D
DD
+5VD
D
D
+5VD
D
D
D
D
D
+5VD
5VREF
REF
REF
REF
5VREF
D
AD
R37
270s
C42
47uF16s
IC6
STMM24C64_MN6
8
7
1
2
3
5
6
4
VCC
WP
A0
A1
A2
SDA
SCL
GND
IC11
SSC1080
7 33
20 46
24
23
22
21
19
18
17
16
15
14
13
12
11
10
9
8
6
5
4
3
2
1
31
30
29
28
27
26
25
32
49
48
47
44
43
42
41
40
39
38
37
34
36
35
45
50
51
52
VDD VDD
VSS VSS
SC10
PR10
SC9
PR9
SC8
PR8
SC7
PR7
SC6
PR6
SC5
PR5
SC4
PR4
SC3
PR3
SC2
PR2
SC1
PR1
SC0
PR0
T7
T6
T5
T4
T3
T2
T1
T0
CLK
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
INT
RD
WR
CS
RESET
TEST1
TEST2
X2
MA_406_10M000Hz
R39
0s
R20
22Ks
JK1
TCS_5350_01_4051
1 4
2
5 3
Q4
TN6717A
2
13
C60
22pFs
R30
10Ks
C67
100pFs
C48
100pFs
C59
22pFs
R92
10Ks
CN8
NIU
3
4
2
1
5
6
7
R38
1K5s
C26
NIU
Q3
TN6717A
2
13
C64
100uF16s
JK3
TCS_5350_01_4051
1 4
2
5 3
C50
100pFs
RA1
8x10Ks
4
5
6
7
8
9
3
2
1
SW1
NIU
C27
100nF
s
C66
47uF16s
C101
100nFs
D1
DA204K
21
3
IC1
6N137
1
2
3
4 5
6
7
8
NC
LA
LC
NC GND
OUT
EN
VCC
C36
C53
100pFs
R15
0s
C39
CN2
AMPC1_2716P
3
4
5
6
7
8
2
1
9
10
11
12
13
14
15
16
CN4
AMPC1_2716P
3
4
5
6
7
8
2
1
9
20
19
18
17
16
15
14
13
12
1110
IC9
NIU
1
2
4
53
C55
100pFs
L3
SBT0460 C4
100nFs
C65
47uF16s
Q14
2SC2412K
2
1
3
C51
100nFs
C57
100pFs
D3
SFPB_56
1 2
C29
NIU
IC14B
74HC390M1R
15
12
14
13
11
10
9
CKA
CKB
CLR
QA
QB
QC
QD
IC10
TC74HC573AF
2
3
4
5
6
7
8
9
11
1
19
18
17
16
15
14
13
12
2010
D1
D2
D3
D4
D5
D6
D7
D8
C
OC
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
VCCGND
IC7
TC74VHC541FT
2
3
4
5
6
7
8
9
1
19
18
17
16
15
14
13
12
11
2010
A1
A2
A3
A4
A5
A6
A7
A8
G1
G2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
VCCGND
R93
1Ks
C62
100pFs
C1
100nFs
C102
100nFs
R35
100s
RA3
8x10Ks
4
5
6
7
8
9
3
2
1
CN5
KRESS_3V2C
2
1
RA6
8x10Ks
4
5
6
7
8
9
3
2
1
RA4
8x10Ks
4
5
6
7
8
9
3
2
1
R13
NIU
R14
NIU
IC4
NIU
8
7
1
2
3
5
6
4
VCC
WP
A0
A1
A2
SDA
SCL
GND
R11
NIU
R21
10Ks
C7
27pFs
C37
100uF16s
C47
100pF
s
C13
100nF
s
L8
EXCCL4532U1
C16
100nF
s
TP
TP3
L1
SBT0160
W
1
2
4
3
TP
TP2
C17
100nF
s
L2
SBT0160
W
1
2
4
3
D2
DA204K
2 1
3
R19
47Ks
R18
56Ks
C12
1uF16s
R32
10Ks
C25
220nF
Poly 5%
C31
100nFs
L5
EXCCL4532U1
R31
0s
R22
10Ks
C19
NIU
R3
3K3s
C2
10uF16s
CN1
NIU
3 4
5 6
21
7 8
9 10
C18
NIU
C63
10nFs
TP
TP1
C52
100pFs
R24
0s
R25
0s
R2
220s
Q1
DTA124EK
2
13
C15
10uF16s
R7
220s
R4
220s
C10
100nFs
C98
100nFs
C54
100pFs
RA5
8x10Ks
4
5
6
7
8
9
3
2
1
C11
10uF16s
R94
NIU
R5
0s
SW2
SSSP12114A
1 2
C56
100pFs
C33
NIU
C5
27pFs
C20
10nFs
R6
0s
R16
1Ks
R17
1Ks
R8
0s
R9
0s
JK2
HEC04700161030
1
2
3
C6
27pFs
L4
PLT1R53C
1
2
4
3
IC14C
74HC390M1R
16 8
VCC
GND
C58
100nFs
R23
10Ks
C8
27pFs
C61
100pFs
C35
NIU
C23
22pFs
X1
MA_406_16M000Hz
C22
22pFs
D13
DA204K
21
3
C34
NIU
C40
100pFs
IC2
M38039MFFP
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
21
20
17
16
15
25
26
27
28
29
30
31
32
57 24
18
59
58
52
54
53
55
56
23
22
19
51
50
49
14
13
12
4
5
6
7
8
9
10
11
60
61
62
63
64
1
2
3
P00/AN8
P01/AN9
P02/AN10
P03/AN11
P04/AN12
P05/AN13
P06/AN14
P07/AN15
P10/INT41
P11/INT01
P12
P13
P14
P15
P16
P17
P40/INT40/XCOUT
P41/INT00/XCIN
P42/INT1
P43/INT2
P44/RXD1
P27/LED7
P26/LED6
P25/LED5
P24/LED4
P23/LED3
P22/LED2
P21/LED1
P20/LED0
VCC
VSS
CNVSS/VPP
AVSS
VREF
P34/RXD3
P32
P33
P31/DA2
P30/DA1
XOUT
XIN
XRES
P35/TXD3
P36/SCLK3
P37/XSRDY3
P45/TXD1
P46/SCLK1
P47/XSRDY1/CNTR2
P57/INT3
P56/PWM
P55/CONTR1
P54/CONTR0
P53/XSRDY2
P52/SCLK2
P51/SOUT2
P50/SIN2
P67/AN7
P66/AN6
P65/AN5
P64/AN4
P63/AN3
P62/AN2
P61/AN1
P60/AN0
Q2
DTC114EK
2
1
3
IC3
NIU
1
2
4
53
C3
10nFs
IC8
M51
953A
2
3
5
4
1
NC
GND
RES
CAP
VCC
R1
NIU
R26
10Ks
C38
NIU
R10
22Ks
C44
100pFs
R34
220I C41
10uF16s
D4
BZX79C5V6
1 2
IC13A
TC7WU04F
17
C43
100pFs
C9
NIU
TP
TP5
IC14A
74HC390M1R
1
4
2
3
5
6
7
CKA
CKB
CLR
QA
QB
QC
QD
RA2
4x10Ks
12
4
6
8
3
5
7
C46
100pFs
R12
10Ks
C21
100nFs
C45
100pFs
IC12
TC7S04F
2 4
53
IC13C
TC7WU04F
6 2
IC13B
TC7WU04F
3 5
R36
1Ms
TP
TP4
C49
100pFs
C32
100nFs
IC13D
TC7WU04F
84
DBEAM
DBEAM
XRES
XRES