Roland MC-505 Service Notes page 20

MC-505
1 2 3 4 5 6
A
JK8
MIDI
YKF51-5054
(Reverse Type)
IN OUT
30
2 2
4 5 4 5 40
B 50 F
Q16
60
DTA124EK
L23 L24
N2012Z601
L25
C
L26 F
R217 R218
120 100 N2012Z601
R220
R219 220
D2 220
D
3
DAN202K
IC20
PC410
+ 5
D 1
E
6 4
+ 5
D
Q34
C196
D
DTC114TK
0.1u R221
D
D 1k
F
G
H
I
AN2
AN1
AN0
D B V
+ 5
D
R224
PEDAL
10k
J
1 Q20
SWITCH
DTA124EK
3
L27 P E D A L
C200
N2012Z601
0.1u R225
2
K D
4 4.7k
1 DA3
D D DA204U
JK9
HLJ7101-01-3010
L
F
+ 5
D
L6
0R0
M
C109
0.1u
N
IC14A
1
D
TC7WU04F
O
P
+ 5
D
Q
7
4
D
R
S
+ 5 + 5
D D
C419
0.1u
IC18D
T C62
TC74HC10F
0.1u
IC57C
TC7W02F
D
U
D
20
7 8 9 10 11
CPU and PERIPHERAL
+ 5
D
1
+ 5
1 XRST D
Q17
C81
0.1u
DTC124EK
D
C76 C82
0.1u
C71 C77
0.1u
D
M o d e 2 : I n t e rnal ROM Enable
+ 5
D
Clock Mod e: x4
C440
D + 5
IC52
73
TC7S04F MD3
0.1u 75
MD2
4 2 78
MD1
79
MD0 */BACK/IRQ4/A18
D
47
TXD1/PA4
48
RXD1/PA3
D MDTX 50
TXD0/PA1
MDRX 51
RXD0/PA0
R386
10k 112
PE13/TIOC4B/*
111
PE12/TIOC4A
1 2 P B 7 P B 7 110
PE11/TIOC3D
3 108
P B 6 P B 6
PE10/TIOC3C
4 107
D P B 5 P B 5
PE9/TIOC3B
5 P B 4 P B 4 106
PE8/TIOC3A
6 P B 3 P B 3 105
PE7/TIOC2B
RA18
7 P B 2 P B 2 104
PE6/TIOC2A
10kx8 8 P B 1 P B 1 102
PE5/TIOC1B
9 P B 0 P B 0 89
PE4/TIOC1A
PB[0..7]
PB[0..7]
99
AN7/PF7
98
A / D P ort Input Impedance AN6/PF6
96
AN5/PF5
95
=max. 1 kohm D
AN4/PF4
94
AN3/PF3
93
AN2/PF2
92
AN1/PF1
91
AN0/PF0
+ 5
D
+ 5
D
100
A V C C
C78
C197
3 3 3 0.1u
10/16
97
A V S S
D
+ 5
D
R68
DA4 DA5 DA6 80
PLLVCC
DA204U DA204U DA204U
220
C88
0.1u
82
P L L V S S
D
C89
R69
81
R73
PLLCAP
1 M
470p 3.3k
D
IC14C
IC14B
TC7WU04F
3 5 6 2 74
EXTAL
R71
TC7WU04F
IC14D R72
100
470
TC7WU04F 72
XTAL
1 4
X1
D
7.056MHz
C110
7 C96
15p
15p
D D
84
R E S / V P P
R65
1k
+ 5
D
R11
1k
XRST
C P U
1
VCC NC
2
NC
3
NC
8
NC
5
GND DLY
C201
D
1/50
IC15
M51953BFP
+ 5
D
IC19C IC19A
1 6
C K QD
C74 5
QC
4
0.1u
Q B
2 3
CLR Q A
TC74HC393F TC74HC393F
D
D
12 13 14 15 16 17
0.1u
0.1u A[0..21]
D
IC1
GAWAIT
D + 5
32 1 2 D11
*/IRQ7/A21
31 1 8 A21 3 D4
*/WAIT/IRQ6/A20
30 2 7 A19 RA8 RA13 4 D3
*/BREQ/IRQ5/A19
29 3 6 A18 5 D12
100x4
4 5 A17 6 D10
10kx8
22 7 D5
PB1/A17
20 1 8 8
A16 D2
PB0/A16 + 5
19 2 7 D 9
A15 RA9 D13
PC15/A15
18 3 6 A14 100x4 1 2 D9
PC14/A14
17 4 5 A13 3 D6
PC13/A13
16 1 8 A12 RA17 4 D1
PC12/A12
15 2 7 A11 RA10 5 D14
PC11/A11
14 3 6 A10 6 D8
100x4 10kx8
PC10/A10
13 4 5 A9 7 D7
PC9/A9
12 1 8 A8 8 D0
PC8/A8
11 2 7 9
A7 RA11 D15
PC7/A7
10 3 6
A6 100x4
PC6/A6
9 4 5 A5
PC5/A5
8 1 8 A4
PC4/A4
7 2 7 A3 RA12
PC3/A3
6 3 6 A2
100x4
PC2/A2
5 4 5 A1
PC1/A1
4 A0
PC0/A0
R56
100
52
D15
PD15/D15
53
D14
PD14/D14
54 D13
PD13/D13
56 D12
PD12/D12
57 D11
PD11/D11
58 D10
PD10/D10
59 D9
PD9/D9
60 D8
PD8/D8
62
D7
PD7/D7
63
D6
PD6/D6
64
D5 D
PD5/D5
66 D4
PD4/D4
67 D3
PD3/D3
68 D2
PD2/D2
69 D1
PD1/D1
70 D0
PD0/D0
36
PA13/WRH
38
XWRL
PA12/WRL
34
XRD
PA14/RD
28
*/POE3/RDWR R D W R
35
W D T O V F
24
*/POE0/RAS R A S XCARD
26
C A S H XCCTL
*/POE2/CASH
25
CASL
*/POE1/CASL
44
XPCS
*/PA7/CS3
45
*/PA6/CS2 P R E C S
40
PA11/CS1 CS1
41 XCS0
PA10/CS0
42
XCBSY
*/PA9/IRQ3
43
FINT
*/PA8/IRQ2
46
XGAINT
*/SCK1/IRQ1 TAPINT
49
XPINT
*/SCK0/IRQ0
76
NMI
D
87
*/PE2/DREQ1 C W P S N S
88 P E D A L
*/PE3/DRAK1
2 1
OCT
*/IRQOUT/DACK1
85 7
XLCDREQ
*/PE0/DREQ0
86 2
DBCLK
*/PE1/DRAK0
1 XGAACK
*/AH/DACK0 IC57A
R70 TC7W02F
100
83 CPUCK
CK/PA15
S y s t e m Clock = 2 8 .224MHz 5
3
6
HD6437042AE11F
IC57B
TC7W02F
D
D
XRST
DBCLK
18 19 20 21 22 23
C P U A d d r e s s
A[0..21]
C P U D a t a
D[0..15]
D[0..15]
+ 5
D
C70
C83 0.1u
0.1u
C69 C84
0.1u 0.1u
AMUX[0..2]
D D
IC2
A19 23 6 MDRX
A21 MIDI IN
A18 22
A20
A17 21 4
A19 W R H O
5
W R L O
20
A5
A5
A4 19 25
A4 WAIT IN
A3 18
A3
A2 17 66 AMUX2
A2 PORT7
A1 16 65 AMUX1
A1 PORT6
A0 15 64 AMUX0
A0 PORT5
63
PORT4
D7 14 62
D7 PORT3
13 61
D6
D6 PORT2
12 60
D5
D5 PORT1
11 59
D4
D4 PORT0
D3 10
D3
D2 9 3 DBCLK
D2 P W M 2
D1 8 67
D1 P W M 1
D0 7
D0
69
ENC B
XRD 34 68
XRD ENC A
35
XWRH
36 74
XWRL
XWRL S S 3 IC17A
73
S S 2
S S 2
TC7W04F
XGAREQ 31 72 S S 1
XDREQ S S 1
XGAACK 32 71 S S 0 7
XDACK S S 0
GAWAIT 37 78 LS3 2
WAIT OUT LS3
77 LS2
LS2
41 76 LS1 IC17C
CS6 LS1
39 75
XCS0 LS0 TC7W04F
CS4 LS0
38
CS2
70
S S E N
XGAINT 24 81
XIREQ LLCK
55 89 PD7
ECS11 PD7
54 88 PD6
ECS10 PD6
51 87 PD5
ECS9 PD5
50 86 PD4
ECS8 PD4
49 85 PD3
ECS7 PD3
48 84
PD2
ECS6 PD2
47 83
PD1
ECS5 PD1
46 82 PD0
ECS4 PD0
45
ECS3
44 90
ECS2 RS/CD
43 91
ECS1 R / W
42 92
ECS0 LE/RD
58 100 LCD7
EXTINT2 LCD 7
57 99
LCD6
EXTINT1 LCD 6
56 98
LCD5
EXTINT0 LCD 5
97 LCD4
LCD 4
CPUCK 27 96 LCD3
CLK IN LCD 3
30 95 LCD2
CLK OUT LCD 2
XRST 26 94 LCD1
RESET LCD 1
93 LCD0
R226 LCD 0
1k
M60205-0601FP
D
XEJECT
This circuit generates LED drive pulse for
D B e am Ctrl
D + 5
IC19B
13 8 11
C K QD
9 5 10 8
QC
10 4 6 9
Q B
3 5 12 11 3
CLR Q A IC18C
TC74HC10F
IC18B
TC74HC393F
IC17B
TC74HC10F
TC7W04F
Feb, 1998
24 25 26 27 28
AMUX[0..2]
XPWAIT
IOEN
BEAT_R
BEAT_G
L C D P W M
1
E N C B
+ 5
D
6
E N C A
C80
IC17D
0.1u
TC7W04F
S S E N
D
LLCK
R S
RXW
LE
SS[0..2] SS[0..2]
SS[0..2]
LS[0..2] LS[0..2]
LS[0..3]
PD[0..7] PD[0..7]
PD[0..7]
LCD[0..7] LCD[0..7]
LCD[0..7]
P U L S E
+ 5
D
13
2 12
XDBPLS
1
IC18A
TC74HC10F