Roland OD-20, Service Notes

Page: 19 / 21

Apr.2002 OD-20(T)
CIRCUIT DIAGRAM(JACK)
fig.jack
GUITAR INPUT
DC IN
TO BATTERY
OUTPUT
AMP CTRL
148/40us
Pre-Emphasis
DC IN
td=48ms
PHONES/LINE
LED_POWER
LED_AMP_CTRL
CA3
CA3
LED_ON/OFF
LED_4
LED_4
LED_3
LED_MEMORY
LED_VARIATION
LED_MANUAL
LED_ON/OFF
LED_MANUAL
LED_MEMORY
LED_AMP_CTRL
LED_VARIATION
LED_3
CA4
CA4
LED_2
LED_2
P03
P04
LED_1
LED_1
VR_TONE
VR_ATTACK
VR_OCTAVE
VR_LEVEL
VR_BOTTOM
VR_TYPE
VR_DRIVE
CA1
CA0
CA1
CA2
CA0
CA2
SW_ON/OFF
SW_VARIATION
SW_ON/OFF
SW_AMP CTL
SW_WRITE
SW_MAN/MEM
SW_VARIATION
SW_MAN/MEM
SW_AMP CTL
SW_SELECT
SW_SELECT
SW_WRITE
P04
P03
+
+
D 3. 3
D
+
D 3. 3
A
+
D 3. 3
D
+
A A
+
+
D 3. 3
+
A
+
A
A
+
A A
+
+
D 3. 3
+ +
+
+
+
A A A
+
D
+
D 3. 3
D
D
+
D 3. 3
D
D
D
+
D 3. 3
D
D
+
D 3. 3
+
D 3. 3
D
+
D 3. 3
D
+
D 3. 3
+
D 3. 3
D
D
D
+
D 3. 3
D
D
+
D 3. 3
D
+
D 3. 3
A
D
D
+
D 3. 3
D
D
-
A
A
D
+
A A A
+
+
D 3. 3
D
D
+
D 3. 3
D
D
D
+
D 3. 3
+
D
D D
-
+
A
A
A
A
A
A
A
A
+
A
+
+
A
+
D 3. 3
D
+
D 3. 3
+
A
A
A
R1
10k
C1
0.47S
Q1
2SK880GR 3
1
2
L3
SLF7045T-151MR37-2(150uH)
IC8
S-8520E33MC-BJS-T2
ON/OFF
1
VIN
5
VSS
2
EXT
4
VOUT
3
D7
SS14 C76
100/16
CN3
1
1
2
2
3
3
RIBON CABLE 2mm 3P
1
1
2
2
3
3
D5
SS14
IC2 AK4552VT
LIN
2
SDTO
8
RIN
1
VD
5
MCLK
11
BCLK
12
PDN
13
DEM1
7
VCOM
14
LRCK
10
VSS
3
SDTI
9
DEM0
6
VA
4
ROUT
16
LOUT
15
+
-
IC3B
M5218AFP
6
5
7
R25
12k
R34
12k
D4
1SS355
1
2
Q8
2SK879Y
3
1 2
Q10 2SC4116GR
1
2 3
C79
0.1
C51
0.1
C54
100/16
C52
100/16
C53
0.1
C77 0.1
C33
0.047
R45
100k
R5
1M
R6
1k
Q11 IRF7606
S
2
D
7
S
3
D
5
G
4
S
1
D
8
D
6
R23 15k
C12 270p
R36
15k C22
270p
R29
1M
C4
10/16
Q2
2SK879Y
3
1 2
D1
1SS355
1
2
R27
1M R21
47k
C17
0.047
R28
100k
R2
1M
R3
1M
R30
39k
R26 47k
C13 270p
R17
10k C9
0.0022
C19
1/50
R4
470k
Q3
2SC3324GR
1
2
3
C3
1/50 C2
1/50
C31
100/16
C32
0.1
R40
10k
R46
10k
C20
10/16 C21
0.1 R35
10k
R33
10k
+
-
IC1C
NJM2100M
8
4
C35
0.1
R49
10k
R50
10k
C42 0.1
C44 0.1
C46 0.1
C40 0.1
C38 0.1
C69
18p
X2
CX-49G 11.2896MHz
C67 0.068
C43 0.1
C45 0.1
C47 0.1
C36 0.1
R61
1k
C34 47/16
R54 33
R60
1M
IC5
TC220C120AF-006(MR3)
OSC
1
VSS
2
OSCSEL
3
VSS
4
XTO
5
XTI
6
VDD
7
DIVS0
8
DIVS1
9
PLLBP
10
VSS
11
VSS
12
TESTP
13
VDD
14
VDD
15
PLLVAA
16
PLLRO
17
PLLLP
18
PLLAGS
19
PLLAGD
20
VSS
21
VSS
22
VDD
23
VDD
24
RST
25
VSS
26
CD7
27
CD6
28
CD5
29
CD4
30
VSS
31
TESTS
32
VDD
33
CD3
34
CD2
35
CD1
36
CD0
37
VDD
38
DRQ
39
INT0
40
INT1
41
DRST
42
VSS
43
CA4
44
CA3
45
CA2
46
CA1
47
CA0
48
VDD
49
RD
50
CS
51
VSS
52
WR
53
VSS
54
DIV
55
VDD
56
DA0
57
AD0
58
VDD
59
BCK
60
VSS
61
LRCK0
62
LRCK1
63
VDD
64
MCK
65
VSS
66
DA1
67
AD1
68
DA2
69
AD2
70
VSS
71
CTYPE
72
VDD
73
DA3
74
AD3
75
SYI
76
TESTB
77
TESTT
78
VDD
79
VSS
80
C64
0.1
X1
49US SMD1 8MHz
C70 22p
C68 22p
R51
100
C58
0.01
C57
0.01
C59
0.01
C60
0.01
C56
0.01
C55
0.01
C61
0.01
IC4
CAT24WC02J
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
R18
27 (2W)
R37
10
C24
0.1 C23
10/16
C25
10/16 C26
0.1
C30
0.1
C29
1/50
JK1
HTJ-064-12D
1
2
3
C5
0.0022
C6 100p
C7
10/16
R16
47k
R8
47k
+
-
IC1A
NJM2100M
2
3
1
R12
10k
+
-
IC1B
NJM2100M
6
5
7
R20
150k(F)
R24
10k(F)
TP1 TH 1
TP2 TH
1
R53
47k R52
47k
JK2
HTJ-064-12D
1
2
3
RIBON CABLE 2mm 3P
1
1
2
2
3
3
C8
10/16
C15
10/16
C16
10/16
Q5
2SA1298Y
1
3
2
R13
10k
Q4
2SA1586GR
1
3
2
R15
10k
R11
10k
R32
10k
C48
NFM4516P13C204F
JK6 DJ-0711-020
2
1
3
JK5 KM02009_B
2
1
3
R57
2.2k
Q7
2SC3265Y
1
2
3
R48
miniSMDC075
C10
10/16 C11
0.1
R14
10k
R19
10k
L2
SLF7032T-4R7M1R7-2 (4.7uH)
IC6 MN101C30A
LED3/D3/P83
57
LED2/D2/P82
58
LED1/D1/P81
59
LED0/D0/P80
60
AN0/PA0
62
AN1/PA1
63
AN2/PA2
64
AN3/PA3
1
AN4/PA4
2
AN5/PA5
3
AN6/PA6
4
AN7/PA7
5
VDD
7
OSC2
8
OSC1
9
VSS
10
P22/IRQ2
29
P23/IRQ3
30
P24/IRQ4
31
P67/A7
44
P27/RST
21
MMOD
13
LED7/D7/P87
53
LED6/D6/P86
54
LED5/D5/P85
55
LED4/D4/P84
56
P66/A6
43
P65/A5
42
P64/A4
41
P63/A3
40
P62/A2
39
P61/A1
38
P60/A0
37
P70/A8
45
P71/A9
46
P72/A10
47
P73/A11
48
P74/A12
49
P75/A13
50
P76/A14
51
P77/A15
52
P21/IRQ1/SENS
28
P20/IRQ0
27
VREF+
6
VREF-
61
X1
11
X0
12
P50/WE
32
P51/RE
33
P52/CS
34
P53/A16
35
P54/A17
36
P14/TM4IO
26
P13/TM3IO
25
P11/TM1IO
23
P12/TM2IO
24
P10/TM0TO/RMOUT
22
P06/BUZZER/DK
20
P05/SBT1
19
P04/SBI1
18
P03/SBO1
17
P02/SBT0
16
P01/SBI0/RXD
15
P00/SBO0/TXD
14
C78
100/16
C14
10/16
C18
10/16
RA5 100
1 8
2 7
3 6
4 5
D6
1SS355
1
2
C72
0.01
R62
330
D9
N.I.U.
1
2
D8
02DZ5.1Y
1
2
RA6 100
1 8
2 7
3 6
4 5
R55
47k R56
47k
CN2
A2001WR2-15P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
RA4
47k
1
8
2
7
3
6
4
5
RA2 680
1 8
2 7
3 6
4 5
RA3 680
1 8
2 7
3 6
4 5
Q6
2SC4116GR
1
2
3
R41
47k R44
1M
Q9
2SC4116GR
1
2
3
R31
47k
R47
47k
R58
10k
C80
0.001
R22
27 (2W)
JK4
HTJ-064-12I
1
2
3
CN4
53015-0210
1
1
2
2
C39 0.1
C41 0.1
C37 0.1
R10
100k
+
-
IC3A
M5218AFP
2
3
1
+
-
IC3C
M5218AFP
8
4
C84
0.1
R73 10k
R75
100k
R78
100k
R74
470k
+
-
IC10C
M5216FP
8
4
R77
10
C93
10/16
C65
10/16
C74 47/16
C63
10/16
+
-
IC10B
M5216FP
6
5
7
C75
0.1
+
-
IC10A
M5216FP
2
3
1
C71
22p
C66
0.1
C62
0.1
R79
10
C94
1/50
D10
1SS355
1 2
C91 1/50
DA3 1SS302
2 1
3
R76
10
C92
100/16
+
-
IC11A
M5216FP
2
3
1
R82
100k
R83
100k
C95
0.0018
R65
330
R9
4.7k
+
-
IC11B
M5216FP
6
5
7
R86
100k
R87
100k
C90
150p
R69
330
R67
100k
C87
0.22/50
C49 100/16 C50
0.1
C83
150p
C88
150p
C85
150p
R7
10k
JK3
HTJ-064-12D
1
2
3
C81
100/16
R81 10k
R80
10k
R66
4.7k
R84
10k
R85 10k C89
0.0018
C86
100/16
R64
68(1/2W)
R68
68(1/2W)
R72 680
+
-
IC11C
M5216FP
8
4
D2
1SS352
D3
1SS294
R88 4.7k
R59 27k
CN1
A2001WR2-10P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
R70
10k
C73
0.1
IC7
S-80930CLMC
OUT
1
Cp
5
VDD
2
NC
4
VSS
3
IC12
N.I.U.(S-80130ALMC-JAP-T2)
DS
1
GND
2
NC
3
VDD
5
OUT
4
Q12
2SC3324GR 1
2
3
R100
10k
R101
10k
R102
100k
R103
100k
C100 N.I.U.
C101 N.I.U.
C102 N.I.U.
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