Circuit Diagram (Cpu Pcb Assy 1/3) - Roland AX-7 Service Notes

Nov, 2001
1 2 3 4 5 6

CIRCUIT DIAGRAM (CPU PCB ASSY 1/3)

A
B
JK1
TCS_5350_01_4051
C
IN 2
MIDI
JK3
TCS_5350_01_4051
D
OUT
2
E
L3
SBT0460
F
G
H
I
R93
1Ks
C101
J
+5VD 100nFs
1
D13
K HOLD DA204K
HLD
L
VBTY
M
C64
100uF16s
N
R38 1K5s
L8
EXCCL4532U1
D A
O
P
+
DC IN 9V 1
Q - 2
200 mA 3
JK2
HEC04700161030
R
+
BA TTERY 2
-
1
CN5
KRESS_3V2C
S
T
U
7 8 9 10 11 12
C1
100nFs +5VD
L1 D1
D
SBT0160W R2 220s DA204K R3 3K3s
1 4 1 8
NC VCC
2 7
LA EN
2 3 3 6
LC OUT
1 2 4 5
NC GND
IC1
D
Q1 +5VD 6N137
R4 220s DTA124EK
1 4 3 1
IN
R7 220s C2
2 3 D
10uF16s
L2
OUT1
SBT0160W
Q2
DTC114EK C9 +5VD
R11 NIU
3
NIU 2 IC3
C4 1
100nFs NIU
SPD
D 1
D 4
XRES
D 2
R15
0s
D
+5VD VBTY
R18
56Ks
D2 BTYCHK
3
5VREF DA204K HOLD
FOOTPED
R19
47Ks C12
R20 1uF16s R21
22Ks R92 10Ks
10Ks
REF REF
3 +5VD R24 5VREF
2 0s
Q14
1
2SC2412K
TP
R25 C15
TP2 0s 10uF16s
TP
2
TP3
D REF
REF DATA
D
BEND C20
MOD 10nFs
C102 C21
100nFs 100nFs
TP4
D D D D D
+5VD C18 C19 C98
NIU NIU 100nFs
RES
R94 R26
TP5
8V IC8 10Ks
NIU
1 5
TP VCC RES
2
NC
3 4
GND CAP
Q4 SW1
TN6717A M51953A NIU
D
C25
220nF
3 1
Poly 5%
D
C65
47uF16s
DBEAM
C66
47uF16s AFT
DBEAM
A A
R30
10Ks
R32 C29
10Ks NIU
REF REF
D3 Q3
SFPB_56 VBTY TN6717A
L4
1 4 1 2 1 2 3 1
2 3 SW2
SSSP12114A
C37
PLT1R53C
100uF16s R34
C36 C39 220I C41
10uF16s
D4
D
CN8 +5VD VBTY BZX79C5V6
NIU
1
C58
2
DBEAM
100nFs +5VD
3
XRES
4
5
6
D 7
R39
D
Only for EMU 0s
BCLK
BCLK
C67
100pFs
IC14C
74HC390M1R
D
13 14 15 16 17 18
+5VD
DIVEN 2 SSD0
A0 3 SSD1
A1 +5VD SSD2
4
XCS SSD3
5
XRD RA1 R1
6
XWR 7 8x10Ks NIU
XINT 8 DATA
RSVD +5VD BEND
9
FOR BUILT-IN FLASH
MOD
PROGRAMMING
DBEAM
CN1
NIU SSD0
FSDA SSD1
1 2
FSCLK SSD2
3 4
FXOE SSD3
5 6
FBUSY 7 8
FVPP 9 10 LLD0
FRES LLD1
LLD2
LLD3
LLD4
C3 R10 LLD5
10nFs 22Ks C11 LLD6
D
C10 +5VD 10uF16s LLD7
100nFs
D D
D D
IC2
A0 SSD0
56 40
P30/DA1 P10/INT41
A1 SSD1 R12
55 39
P31/DA2 P11/INT01
XRD SSD2 10Ks
54 38
P32 P12
XWR SSD3
53 37
P33 P13
TEST
IN 52 36
P34/RXD3 P14
MODSEL0
51 35
P35/TXD3 P15
XCS MODSEL1
50 34
P36/SCLK3 P16
FXOE 49 33
P37/XSRDY3 P17
DIVEN 21 32 LLD0
P40/INT40/XCOUT P20/LED0
SPD 20 31 LLD1
P41/INT00/XCIN P21/LED1
XINT LLD2
17 30
P42/INT1 P22/LED2
RSVD LLD3
16 29
P43/INT2 P23/LED3
FSDA LLD4
15 28
P44/RXD1 P24/LED4
OUT1 14 27 LLD5
P45/TXD1 P25/LED5
FSCLK 13 26 LLD6
P46/SCLK1 P26/LED6
FBUSY LLD7
12 25
P47/XSRDY1/CNTR2 P27/LED7
FVPP
18
CNVSS/VPP
SCK
DATA 3 11 SC0
P60/AN0 P50/SIN2
BEND SC1 SDA
2 10
P61/AN1 P51/SOUT2
MOD SC2
1 9
P62/AN2 P52/SCLK2
AFT SC3
64 8
P63/AN3 P53/XSRDY2
HOLD 63 7
P64/AN4 P54/CONTR0
FOOTPED 62 6 SCK WP
P65/AN5 P55/CONTR1
DBEAM SDA
61 5 SCK
P66/AN6 P56/PWM
BTYCHK WP
60 4 SDA
P67/AN7 P57/INT3
58
VREF
D0
48
P00/AN8
D1
59 47
AVSS P01/AN9
D2
46
P02/AN10
XRES 19 45 D3
XRES P03/AN11
44 D4
P04/AN12
D5 C17
22 43 D
XIN P05/AN13
MA_406_16M000Hz D6 100nFs
42
P06/AN14
X1 D7
23 41
XOUT P07/AN15
D0 2
D
A1
D1 3
A2
D2
4
A3
M38039MFFP D3
5
A4
C22 C23 D4
6
A5
22pFs 22pFs M38039FFFP FLASH ON-BOARD D5
7
A6
FOR PRE-PRODUCTION ONLY
D6 8
D D
A7
D7
9
A8
XWR
1
G1
19
G2
C26
NIU +5VD
IC7
TC74VHC541FT
IC9
D
NIU +5VD
C27
D
RES 100nFs
1
4
2 FRES 2 D0 D0 19
Q1
3 D1 D1 18
Q2
R31 D2 D2
4 17
Q3
0s D3 D3
5 16
Q4
D4 D4
D 6 15
Q5
7 D5 D5 14
Q6
XRES 8 D6 D6 13
XRES
Q7
D7 D7
9 12
Q8
C32
100nFs +5VD
RA5
XRES 8x10Ks
IC10
XINT TC74HC573AF
D
IC12
2 4 INT
+5VD
TC7S04F
L5 IC13B IC13C
D
EXCCL4532U1 TC7WU04F TC7WU04F R35
100s
3 5 6 2
C42 +5VD
47uF16s R36
1Ms C47
100pFs
IC13D
C51 R37
100nFs X2
270s
TC7WU04F MA_406_10M000Hz
D
C59 C60
22pFs 22pFs
D D
IC13A
13 15
QA CKA
TC7WU04F
11 12 3 1
QB CKB QA CKA
10 5 4 7 1
QC QB CKB
9 14 6
QD CLR QC
7 2 DIVEN
QD CLR
IC14B
74HC390M1R IC14A
74HC390M1R
19 20 21 22 23 24
+5VD
RA2
4x10Ks
8 7
6 5
4 3
2 1
DATA
BEND
MOD
DBEAM
R5 0s
SSD0
R6 0s
SSD1
R8 0s
SSD2
R9 0s
SSD3
SSC0 SC0
SSC0
LLD0
SSC1 SC1
LLD1 SSC1
SSC2 SC2
LLD2 SSC2
SSC3 SC3
LLD3 SSC3
LLD4
LLD5
LLD6
LLD7
D
+5VD
C5 C6 C7 C8
27pFs 27pFs 27pFs 27pFs
R13 R14
NIU NIU
R16 1Ks
R17 1Ks
D
TP
TP1
8 1
VCC A0
WP
7 2
WP A1
SCK
6 3
SCL A2
SDA 5 4
SDA GND
+5VD IC4
R22 +5VD
10Ks NIU
C13
D
R23 100nFs
10Ks 8 1
VCC A0
7 2
WP A1
6 3
SCL A2
5 4
SDA GND
+5VD IC6
STMM24C64_MN6
+5VD
C16
D
100nFs
18 KD0
Y1
17 KD1
Y2
KD2
16
Y3
KD3
15
Y4
KD4
14
Y5
KD5
13
Y6
12 KD6
Y7
KD7 MK0
11 1
Y8
BR0
2
MK1
3
LEFT BR1
4
MK2 5
BR2
6
MK3
7
+5VD BR3
8
D
KEYBOARD AMPC1_2716P
MK4
1
2 KD0 BR4 2
D1
3 KD1 MK5 3
D2
KD2 +5VD BR5
4 4
D3
KD3 C31 MK6
5 5
D4
KD4 100nFs RIGHT BR6
6 6
D5
7 KD5 MK7 7
D6
8 KD6 BR7 8
D7
KD7 MK8
9 9
D8
IC11 BR8
10
11 D SSC1080
C
1
OC
MK10
49 24
CLK SC10
XRD BR10
23
PR10
INT 22 MK9
D
SC9
A1 48 21 BR9
A1 PR9
A0 MK8
47 19
A0 SC8
BR8
18
PR8
MK7 MK9
17
SC7
KD7 44 16 BR7 BR9
D7 PR7
KD6 43 15 MK6 MK8
D6 SC6
KD5 BR6 BR8
42 14
D5 PR6
KD4 MK5 MK7
41 13
D4 SC5
KD3 BR5 BR7
40 12
D3 PR5
KD2 39 11 MK4 MK6
D2 SC4
KD1 38 10 BR4 BR6
D1 PR4
KD0 37 9 MK3 MK5
D0 SC3
BR3 BR5
8
PR3
MK2 MK4
6
SC2
XINT 34 5 BR2 BR4
INT PR2
4 MK1 MK3
SC1
D XRD 36 3 BR1 BR3
RD PR1
XWR MK0 MK2
35 2
WR SC0
XCS BR0 BR2
45 1
CS PR0
MK1
31 T7 BR1
T7
XRES 50 30 T6 MK0
RESET T6
T5 BR0
29
T5
T4
28
T4
C63 T3
51 27
TEST1 T3
10nFs
52 26 T2
TEST2 T2
25 T1
T1
T0
D D 32
T0
D
AX-7
25 26 27 28 29 30
+5VD
MK0
2
BR0
3
MK1 4
BR1 5
MK2
6
BR2
7
MK3
8
BR3
9
CN2
T0
16
T1 RA3
15
T2 8x10Ks
14
T3
13
12 T4
T5 MK4
11 2
T6 BR4
10 3
T7 MK5
9 4
BR5
5
MK6 6
BR6 7
MK7
8
BR7
CN4 9
T0
20
19 T1
18 T2 RA4
T3 8x10Ks
17
T4
16
T5
15
14 T6 MK8 2
13 T7 BR8 3
MK9 MK9
12 4
BR9 BR9
11 5
MK10
6
AMPC1_2716P BR10 7
8
9
RA6
8x10Ks
C33 C34
NIU NIU
C35 C38
NIU NIU
C40 C43
100pFs 100pFs
C44 C45
100pFs 100pFs
C46 C48
100pFs 100pFs
C49 C50
100pFs 100pFs
C52 C53
100pFs 100pFs
C54 C55
100pFs 100pFs
C56 C57
100pFs 100pFs
C61 C62
100pFs 100pFs
D
11