Roland JC-40, Service Notes

Page: 20 / 31

20
Nov. 2015 JC-40
Circuit Diagram (Main Board: 1/4)
fig.d-main-1.eps@L
DG
D+3.3V
DG
D+3.3V
DG
RESET
DG
DG
DG
DG
D+1.5V
DG
D+3.3V
FC_TX
DG
D+3.3V
DG
WP_EEPROM_PROG
RESET
REF
DG
FC_RX
WP
DG
SDA
SCL
REF
DG DG DG
DG
D+3.3V
D+3.3V
DG
D+3.3V
REF+3.3V
REF
D+3.3V
EA6
REF+3.3V
REF
ADVR7 ADVR6
REF
REF+3.3V
ADVR5
REF
REF+3.3V
ADVR4
REF
REF+3.3V
ADVR3
REF
REF+3.3V
ADVR7
ADVR6
ADVR5
ADVR4
ADVR3
SW_CHO1
SW_CHO2
SW_CHO3
WP_EEPROM_PROG
AD2
DG DG
MCK
BCK
LRCK
DA1
ADVR2
DG
REF
REF+3.3V
REF
ADVR2
AD0
DG
DA0R
DA0L
AD1
DG
VR_GND
DG
VR_GND
DG
VR_GND
DG
VR_GND
DG
VR_GND
DG
VR_GND
DG REF
REF DG
REF
REF+3.3V
B6B-PH-SM4-TB (LF)(SN) CN10
1
1
2
2
3
3
4
4
5
5
6
6
S-80130ANMC-JCPT2G
IC17
5
VDD
2
VSS
1
DS
3
NC
4
OUT
RA3
EXB28V221JX
220
11 88
66
55 44
33
22 77
RA13
EXB28V221JX
220
11 88
66
55 44
33
22 77
RA10
EXB28V470JX
1 8
6
5 4
3
2 7
RA11
EXB28V470JX 1
8
6
5 4
3
2 7
10uF
C164
10uF
C175
10uF
C150
IC12
M245
E2
3
E1
2
E0
1
SDA
5
SCL
6
_WC
7
10
R132
47 R145
47 R144
3.3k
R127
3.3k
R126
10k
R128
47 R98
100
R124
100 R172
100 R176
150 R136
150 R137
150 R138
150 R139
100
R130
100
R163
150
R160
2.7k
R120
10k
R129
10k
R105
10k
R123
47k
R131
100pF
C176
100pF
C191
0.1uF
C163
0.1uF
C174
0.1uF
C159
0.1uF
C162
0.1uF
C320
0.1uF
C160
22pF
C305
22pF
C304
22pF
C267
22pF
C306
22pF
C193
0.1uF
C172
0.1uF
C173
0.1uF
C166
0.1uF
C259
0.1uF
C247
0.1uF
C217
0.1uF
C171
0.1uF
C170
12pF
C157
15pF
C158
R0923NOCH1B103FE00A1
VR5
20
R0923NOCH1B103FE00A1
VR6
20
R0923NOCH1B103FE00A1
VR6
10
R0923NOCH1B103FE00A1
VR3
20
R0923NOCH1B103FE00A1
VR2
20
R0923NOCH1B103FE00A1
VR4
10
R0923NOCH1B103FE00A1
VR4
20
R0923NOCH1B103FE00A1
VR3
10
R0923NOCH1B103FE00A1
VR5
10
R0923NOCH1B103FE00A1
VR2
10
VR6 R0923NOCH1B103FE00A1
13
2
VR3 R0923NOCH1B103FE00A1
13
2
VR4 R0923NOCH1B103FE00A1
13
2
VR2 R0923NOCH1B103FE00A1
13
2
VR5 R0923NOCH1B103FE00A1
1
3
2
B8B-PH-SM4-TB (LF)(SN)
CN5
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
R0923NOCH1B103FE00A1
VR7
20
R0923NOCH1B103FE00A1
VR7
10
VR7 R0923NOCH1B103FE00A1
1
3
2
TC7W08FU(TE12L.F)
IC14
1
2
7
22pF
C33
150 R148
DSX321G 18.432MHZ
X1
1
1
2
NC
4
NC
3
3
88
87
86
134
133
139
140
98
99
135
136
137
142
143
81
70
79
80
102
103
104
105
106
84
85
95
94
93
92
91
90
89
71
74
75
76
77
119
118
110
111
107
112
113
116
117
0
R67
0.1uF
C276
0.1uF
C277
0.1uF
C278
0.1uF
C279
0.1uF
C280
0.1uF
C281
0.1uF
C347
0.1uF
C348
C349 10uF 16V
FOR UPDATE
From VOLUME BOARD
DG
DG
RESET
REF+3.3V
REF REF
REF+3.3V
REF
REF+3.3V REF+3.3V
REF
REF+3.3V
REF REF
REF+3.3V
REF
REF+3.3V
REF
REF+3.3V
1SS362FV(TPL3)
D59
UnPop
2
3
1
1SS362FV(TPL3)
D60
UnPop
2
3
1
1SS362FV(TPL3)
D57
UnPop
2
3
1
1SS362FV(TPL3)
D58
UnPop
2
3
1
1SS362FV(TPL3)
D28 UnPop
2
3
1
1SS362FV(TPL3)
D29 UnPop
2
3
1
1SS362FV(TPL3)
D8
UnPop
2
3
1
1SS362FV(TPL3)
D17 UnPop
2
3
1
B8B-PH-K-S (LF)(SN) CN2
UnPop
1
1
2
2
3
3
4
4
5
5
6
6 7
7
8
8
B6B-PH-K-S (LF)(SN)
CN8
UnPop
1
1
2
2
3
3
4
4
5
5
6
6
1k
R150
UnPop
1000pF
C303
UnPop