29
Sep.2004
RC-20XL
28
CIRCUIT DIAGRAM (JACK 2)
fig.c-digital
H:IC1 SELECT
SD_SEL
TO CN1 ON
PANEL
BOARD
L:IC2 SELECT
SDRAM SELECT
TO ANALOG BLOCK
CD_PRTCT
AUX_C.CANCEL_MUTE
TO ANALOG BLOCK
FLAT_AMP_ON/OFF
CD_SW
WP_CTL
TO CN1
AUX_NORM_MUTE
CPU_RD
INST_MUTE
MIC_MUTE
(SW_SCAN1)
(SW_SCAN2)
(SW_READ1)
(SW_READ2)
(SW_READ3)
(SW_READ4)
(SERIAL_IO1)
(SERIAL_IO2)
(SERIAL_IO1)
(SERIAL_IO2)
(1.00LOT-1.99LOT)
uPD703106A(2.00LOT-)
A15
A23
SD_SEL
A18
A24
DP
F_DP
A25
D12
CD_WE
A2
A8
D9
D2
D11
A1
A3
A6
D8
D3
CD1
CD_RE
DMAAK1
A7
D14
D3
D10
A4
D6
T-SHIFT
D9
CD_RE
SD_RCAS
D2
D0
A2
A8
D15
D14
D11
CD_ALE
SD_CS
D3
A10
D3
D15
A7
D12
D14
D1
A5
CD5
CD_WP_C
D5
A6
A3
DMAAK0
D13
A6
D7
CD4
CD_WE
CD8
A3
D2
D12
A22_BA
D15
A2
A12
REVERSE
CD8
CD_RB
A7
D7
D15
A4
D7
A10
D5
A11
A10
VR3
D1
CD7
CD6
D0
A5
A21_BA
D8
D1
D2
A5
D13
D12
A21_BA
A8
CD1
CD_CE
A9
D4
D13
A4
D10
D14
A6
D13
D13
D2
D4
D6
A9
D9
A9
D8
VR2
D10
CD3
CD_CE
D4
A2
D8
D5
A1
DMARQ1
D5
D4
A8
D4
D14
A5
DMAAK0
DMARQ0
CD4
CD2
CD6
CD_CLE
CD_CLE
D7
D10
D6
A3
DMARQ1
A8
A6
D1
A1
SD_CLK
D1
D10
D15
D0
A1
D0
CD_RB
CD3
CD5
A9
A7
D12
D9
A3
GA_CS
A11
D5
CD2
CD_WP
D6
D6
A12
DMARQ0
A1
A4
A10
DMAAK1
A11
A2
D11
A11
A5
D0
D11
D3
A4
D7
VR1
CD_ALE
CD7
D9
A22_BA
D11
D8
A9
A7
SD_CAS
SD_CKE
RESET
P106
FET_SW
P105
FET_SW
P106
FET_SW
P104
P106
P103
P104
P105
P104
P107
P103
P103
P107
P105
P107
SM_CS
SD_UDQM
SD_WE
GA_WR
GA_WR
CPU_CS3
CPU_CS4
A19
A20_BA
A20_BA
A20_BA
SW1
SW2
SW3
SW4
SW6
SW5
A13
A14
A17
A16
A22_BA
A21_BA
A12
REVERSE
T-SHIFT
T-SHIFT2
T-SHIFT2
LED_S2
LED_S8
LED_S7
LED_S1
LED_S3
LED_S4
LED_S6
LED_S5
LED_S6
DAOUT
ADIN
BCK
LR_CK
VR2
LED_S5
RESET
MCK
VR1
VR3
LED_S3
LED_S2
P106
P107
P105
LED_S7
LED_S1
P103
P104
LED_S4
LED_S8
FET_SW
REVERSE
T-SHIFT
T-SHIFT2
+
D
3. 3
VR_VDD
+
D
3. 3
CPU_3.3V
+
D
3. 3
+
D
3. 3
D
+
D
3. 3
D
D
D
D
+
D
3. 3
+
D
3. 3
D
D
D
+
D
3. 3
D
+
D
3. 3
D
D
D
D
+
D
3. 3
D
D
D
CPU_3.3V
+
D
3. 3
D
+
D
3. 3
D
+
D
3. 3
D
D
D
D
+
D
3. 3
+
D
3. 3
+
D
3. 3
+
D
3. 3
+
D
3. 3
D
+
D
3. 3
D
+
D
3. 3
D
+
D
3. 3
R7
10
C17
0.1
C16
100/16
TP41
TP
1
C20
0.01
X3
CX-49G/5M
1
2
TP38
TP
1
R5
68
TP42
TP
1
TP39
TP
1
TP37
TP
1
TP34
TP
1
RA13
CRN34101J
1
8
2
7
3
6
4
5
C21
0.01
TP43
TP
1
TP36
TP
1
C19
0.01
TP35
TP
1
TP40
TP
1
R61
68
R44
68
C30
100/16
TP2
TP
1
TP13
TP
1
R4
68
TP19
TP
1
TP3
TP
1
R11 100
R21
100
TP21
TP
1
TP22
TP
1
TP14
TP
1
R14 100
TP23
TP
1
TP4
TP
1
TP15
TP
1
TP20
TP
1
Q6
RN2307
1
3
2
TP48
TP
1
TP24
TP
1
TP5
TP
1
R22
100
TP16
TP
1
R15
1M
X2
MA-406 (24.576MHz)
1
4
R25
10k
TP26
TP
1
TP6
TP
1
R26
10k
TP28
TP
1
TP7
TP
1
TP47
TP
1
TP29
TP
1
Q8
RN2307
1
3
2
R16
220
TP8
TP
1
TP30
TP
1
Q7
RN2307
1
3
2
TP31
TP
1
TP9
TP
1
RA16 CRN34680J
1
8
2
7
3
6
4
5
TP32
TP
1
TP10
TP
1
TP17
TP
1
TP33
TP
1
TP11
TP
1
Q5
RN2307
1
3
2
R24
1.5k
TP1
TP
1
TP12
TP
1
R3
68
TP46
TP
1
C14
100/16
C27
N.I.U
R17 220
C5
0.1
R20
68
IC1
M12L16161A-7T
WE
15
UDQM
36
RAS
17
NC
33
N.C/RFU
37
LDQM
14
DQ1
3
DQ0
2
CLK
35
CKE
34
CS
18
CAS
16
BA
19
A9
32
A8
31
A7
30
A6
29
A5
28
A4
27
A3
24
A2
23
A10/AP
20
A1
22
A0
21
VSSQ
4
VSSQ
10
VSSQ
41
VSSQ
47
VSS
26
VSS
50
VDDQ
7
VDDQ
13
VDDQ
38
VDDQ
44
VDD
1
VDD
25
DQ15
49
DQ14
48
DQ13
46
DQ12
45
DQ11
43
DQ10
42
DQ9
40
DQ8
39
DQ7
12
DQ6
11
DQ5
9
DQ4
8
DQ3
6
DQ2
5
C39
0.1
Q1
RN1307
1
2
3
C15
N.I.U.
C1
100/16
C44
0.1
RA5
CRN34680J
1
8
2
7
3
6
4
5
C3
0.1
C28
N.I.U
R19
68
C11
0.1
CN1
A2001WR2-14P
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
RA20
CRN34103J
1
8
2
7
3
6
4
5
RA18
CRN34103J
1
8
2
7
3
6
4
5
L1
N1608Z601T01
C23 10p
C41
0.1
RA19
CRN34103J
1
8
2
7
3
6
4
5
R2
N.I.U
R8
47
R93
10k
R13
10k
C38
0.1
C35
0.1
R92
68
C12
0.1
IC5
TC58DVM82A1TG00
NC
1
NC
2
NC
3
NC
4
NC
5
GND
6
RY/BY
7
RE
8
CE
9
NC
10
NC
11
VCC
12
VSS
13
NC
14
NC
15
CLE
16
ALE
17
WE
18
WP
19
NC
20
NC
21
NC
22
I/O1
29
I/O2
30
I/O3
31
I/O4
32
VSS
36
VCC
37
I/O5
41
I/O6
42
I/O7
43
I/O8
44
NC
48
NC
47
NC
46
NC
45
NC
40
NC
39
NC
38
NC
35
NC
34
NC
33
NC
28
NC
27
NC
26
NC
25
NC
24
NC
23
C9
0.1
RA14
CRN34103J
1
8
2
7
3
6
4
5
S-80930ALMP-DAT-T2
IC6
NC
4
Cp
5
VDD
2
VSS
3
OUT
1
RA8
CRN34103J
1
8
2
7
3
6
4
5
L2
N1608Z601T01
R94
10k
Q4
RN1307
1
2
3
C2
0.1
C29
N.I.U
D1
1SS352
1
2
C36
0.1
R12
10k
IC2
N.I.U
VDD
1
DQ0
2
VDDQ
3
DQ1
4
DQ2
5
VSSQ
6
DQ3
7
DQ4
8
VDDQ
9
DQ5
10
DQ6
11
VSSQ
12
DQ7
13
VDD
14
LDQM
15
WE
16
CAS
17
RAS
18
CS
19
A13
20
A12
21
A10/AP
22
A0
23
A1
24
A2
25
A3
26
VDD
27
VSS
28
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
A11
35
NC
36
CKE
37
CLK
38
UDQM
39
NC
40
VSS
41
DQ8
42
VDDQ
43
DQ9
44
DQ10
45
VSSQ
46
DQ11
47
DQ12
48
VDDQ
49
DQ13
50
DQ14
51
VSSQ
52
DQ15
53
VSS
54
Q3
RN1307
1
2
3
C37
0.1
C42
0.0056
C7
0.1
C33
0.1
IC7
TC7S08F
1
2
4
5
3
R91
68
L4
N1608Z601T01
Q2
RN1307
1
2
3
R18 100
C34
0.1
C22 10p
C40
0.1
RA15 CRN34680J
1
8
2
7
3
6
4
5
C25 22p
C10
0.1
C43
0.001
C13
0.1
R23
10K
C4
0.1
C6
0.1
C26
0.1
C24 22p
C8
0.1
R6
N.I.U.
C32
0.001
R95 10k
IC4
LC24085B-SD1
66
67
59
62
63
65
64
93
56
44
45
58
18
37
43
1
19
36
55
27
28
29
30
38
39
40
41
47
42
50
92
61
60
68
69
70
110
111
112
113
114
115
105
123
122
121
120
119
118
117
116
97
104
103
102
101
100
99
98
86
94
95
89
88
85
84
87
96
76
81
78
80
79
83
26
25
7
6
5
4
142
141
140
139
24
23
22
21
20
17
16
131
130
15
14
13
12
11
10
9
8
32
33
46
48
51
49
52
53
54
72
73
77
90
91
108
126
127
129
128
125
124
132
133
134
135
136
137
138
144
109
2
3
34
35
71
74
75
106
107
143
31
82
57
RA17 CRN34680J
1
8
2
7
3
6
4
5
R90
47
TP45
TP
1
TP44
TP
1
R96 68
C31
0.1
R9
100
L3
N1608Z601T01
R1
10k
R10
10k
TP18
TP
1
TP27
TP
1
R97 10k
C18
100/16
RA1 CRN34680J
1
8
2
7
3
6
4
5
RA2 CRN34680J
1
8
2
7
3
6
4
5
RA3 CRN34680J
1
8
2
7
3
6
4
5
RA4 CRN34680J
1
8
2
7
3
6
4
5
RA7
CRN34680J
1
8
2
7
3
6
4
5
RA11 CRN34680J
1
8
2
7
3
6
4
5
RA12 CRN34680J
1
8
2
7
3
6
4
5
R98
68
CN2
A2001WV2-7P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
TP25
TP
1
R103
10k
R106
68
IC3
uPD70F3107A
D14/PDL14
1
D13/PDL13
2
D12/PDL12
3
D11/PDL11
4
D10/PDL10
5
D9/PDL9
6
D8/PDL8
7
VDD
8
VSS
9
D7/PDL7
10
D6/PDL6
11
D5/PDL5
12
D4/PDL4
13
D3/PDL3
14
D2/PDL2
15
D1/PDL1
16
D0/PDL0
17
VPP/MODE2
18
DRQ3/IP103/P07
19
DRQ2/IP102/P06
20
DRQ1/IP101/P05
21
DRQ0/IP100/P04
22
TO00/P03
23
IP001/P02
24
TIO00/IP000/P01
25
PWM0/P00
26
VDD
27
VSS
28
DMAAK3/PBD3
29
DMAAK2/PBD2
30
DMAAK1/PBD1
31
DMAAK0/PBD0
32
TO01/P13
33
IP011/P12
34
TIO10/IP010/P11
35
PWM1/P10
36
VDD
37
VSS
38
TC3/IP113/P27
39
TC2/IP112/P26
40
TC1/IP111/P25
41
TC0/IP110/P24
42
TO02/P23
43
IP021/P22
44
TIO20/IP020/P21
45
NMI/P20
46
VDD
47
VSS
48
ADTRG/IP123/P37
49
IP122/P36
50
IP121/P35
51
RXD2/IP120/P34
52
TXD2/IP133/P33
53
SCK2/IP132/P32
54
SI2/IP131/P31
55
SO2/IP130/P30
56
MODE1
57
MODE0
58
RESET
59
CKSEL
60
CVDD
61
X2
62
X1
63
CVSS
64
SCK1/P45
65
RXD1/SI1/P44
66
TXD1/SO1/P43
67
SCK0/P42
68
RXD0/SIO/P41
69
TXD0/SO0/P40
70
AVDD/AVREF
71
AVSS
72
P77/ANI7
73
P76/ANI6
74
P75/ANI5
75
P74/ANI4
76
P73/ANI3
77
P72/ANI2
78
P71/ANI1
79
P70/ANI0
80
VDD
81
VSS
82
P52/TO03
83
P51/IP031
84
P50/IP030/TI030
85
PCM5/SELFREF
86
PCM4/REFRQ
87
PCM3/HLDRQ
88
PCM2/HLDAK
89
PCM1/CLKO/BUSCL
90
PCM0/WAIT
91
PCT7/BCYST
92
PCT6/OE
93
PCT5/WE
94
PCT4/RD
95
PCT1/UCS/UW/UDQ
96
PCT0/LCS/LW/LDQ
97
VDD
98
VSS
99
PCS7/CS7
100
PCS6/CS6/RAS6
101
PCS5/CS5/IORD
102
PCS4/CS4/RAS4
103
PCS3/CS3/RAS3
104
PCS2/CS2/IOWR
105
PCS1/CS1/RAS1
106
PCS0/CS0
107
PCD3/UBE/SDRAS
108
PCD2/LBE/SDCAS
109
PCD1/SDCLK
110
PCD0/SDCKE
111
VDD
112
VSS
113
PAH9/A25
114
PAH8/A24
115
PAH7/A23
116
PAH6/A22
117
PAH5/A21
118
PAH4/A20
119
PAH3/A19
120
PAH2/A18
121
PAH1/A17
122
PAH0/A16
123
VDD
124
VSS
125
PAL15/A15
126
PAL14/A14
127
PAL13/A13
128
PAL12/A12
129
PAL11/A11
130
PAL10/A10
131
PAL9/A9
132
PAL8/A8
133
VDD
134
VSS
135
PAL7/A7
136
PAL6/A6
137
PAL5/A5
138
PAL4/A4
139
PAL3/A3
140
PAL2/A2
141
PAL1/A1
142
PAL0/A0
143
PDL15/D15
144
TP
1
TP
1
DGNDX4
TP
1
TP
1
DGNDX4
TP
1
TP
1
TP
1
TP
1
TP
1
TP
1
D3R3VX4
TP
1
TP
1
DGND
TP
1
D+3R3V
TP
1
Summary of Contents for Boss RC-20XL
Page 3: ...3 RC 20XL...
Page 4: ...4 Sep 2004 LOCATION OF CONTROLS fig panel 19 30 31 31 30...
Page 21: ...21 RC 20XL...
Page 23: ...24 Sep 2004 CIRCUIT BOARD JACK View from components side View from foil side...
Page 24: ...25 RC 20XL...
Page 27: ...30 Sep 2004...
