Roland AC-40, Service Notes

Page: 26 / 37

26
Jul. 2013 AC-40
Circuit Diagram (Main Board: 2/3)
fig.d-main2.eps@L
AGND
AGND
A+3.3V
AGND
AD0
DGND
LRCK
AGND
DGND
AD1
MCK
A+3.3V
PDN_CODEC
AGND
BCK
PDN_CODEC
A+3.3V
DA2 AD2
DGND
BCK
MCK
LRCK
AGND
AGND
AGND
A+3.3V
A+3.3V
DGND AGND
AGND DGND
AGND DGND
AGND
D+3.3V
A+3.3V
LINEOUT_R
LINEOUT_L
AGND
A+10V
AGND
A+10V
FGND
FGND
FGND
A+10V
AGND
AGND
AGND
AGND
AGND
A+3.3V
PDN_CODEC
BCK
MCK
LRCK
DA0
A+3.3V
AGND
A+3.3V
AGND
AGND
AGND
AGND
AGND
A+10V
A+3.3V
AGND
IC10
AK2923H-E2
3
1
2
IC10
AK2923H-E2
5
7
6
AK2923H-E2
IC10
48
10
R48
C90
10uF 16V
C96
10uF 16V
C101
10uF 16V
C102
10uF 16V
IC13
NJM4580M(TE2)
3
1
2
IC13
NJM4580M(TE2)
5
7
6
NJM4580M(TE2)
IC13
48
C97
10uF 16V
0.1uF
C98
0.1uF C99
10uF
C100 10V
F (1%)
10k
R34
C106
UnPop
0.1uF
C112
C113
10uF
16V
UnPop
C114
10uF 16V
0.1uF
C116
C117
2.2uF
50V
F (1%)
10k
R58
0.1uF
C118
F (1%)
10k
R57
0.1uF C115
C135
10uF 16V
C126
UnPop
F (1%)
10k
R73
0.1uF C128
C141
10uF 16V
0.1uF C123
C142
10uF 16V
F (1%)
10k
R70
IC9
AK2923H-E2
5
7
6
0.1uF
C131
C144
10uF 16V
F (1%)
10k
R64
AK2923H-E2
IC9
48
C138
10uF 16V
10uF C146
10V
IC9
AK2923H-E2
3
1
2
C143
10uF 16V
0.1uF
C132
C169
10uF 16V
0.1uF
C147
0.1uF
C156
0.1uF C152
F (1%)
10k
R87
F (1%)
10k
R88
C161
10uF
16V
0.1uF C158
C160
10uF
16V
C164
10uF
16V
C168
10uF 16V
C170
2.2uF
50V
0.1uF
C149
10
R92
C155
10uF 16V
0.1uF
C207
1SS302(TE85R.F)
D16
2
3
1
1SS302(TE85R.F)
D17
2
3
1
100k
R139
100k
R140
L10
BLM21AG121SN1D
L11
BLM21AG121SN1D
0.1uF
C210
F (1%)
150k R36
F (1%)
150k R62
F (1%)
56k
R138
F (1%)
15k R67
F (1%)
15k R40
10k
R49
47pF C111
47pF C109
0.1uF C85
0.1uF C87
0.1uF C88
0.1uF
C206
0.1uF
C208
0
R152
2012
C237
100uF
16V
2.7uH
ELL6SH2R7M
L14
UnPop
L17
BLM21AG121SN1D
L18
BLM21AG121SN1D
0.1uF
C211
0.1uF
C209
100 R76 1005
100 R59 1005
100 R91
33pF C148
33pF C151
F (1%)
82k R86
F (1%)
82k R80
F (1%)
10k
R79
F (1%)
10k
R89
0 L6
0 L9
1800pF C121
C103 1uF 50V
C136
2.2uF 50V
F (1%)
5.6k R60
150pF C107
F (1%)
27k
R137
1000pF
C130
F (1%)
12k
R66
150pF C129
AK5357ET-E2
IC302
2
AINL
1
AINR
4
VCOM
15
CKS2
3
CKS1
16
CKS0
13
PDN
5
AGND
8
DGND
11
MCLK
14
DIF
9
SDTO
12
SCLK
10
LRCK
7
VD
6
VA
AK4556VT-E2
IC304
UnPop
2
LIN
1
RIN
13
SDTI
14
LRCK
15
MCLK
16
BCLK
7
DEM1
6
DEM0
17
PDN
12
CKS3
11
CKS2
10
CKS1
9
CKS0
3
VSS
18
VCOM
8
SDTO
20
ROUT
19
LOUT
5
VD
4
VA
AK4556VT-E2
IC305
UnPop
2
LIN
1
RIN
13
SDTI
14
LRCK
15
MCLK
16
BCLK
7
DEM1
6
DEM0
17
PDN
12
CKS3
11
CKS2
10
CKS1
9
CKS0
3
VSS
18
VCOM
8
SDTO
20
ROUT
19
LOUT
5
VD
4
VA
10uF
C171
10V
C212
UnPop
C213
UnPop
C119
10uF 16V UnPop
S6B-PH-K-S (LF)(SN)
CN9
1
2
3
4
5
6
AK4552VTP-E2
IC7
LIN
2
RIN
1
SDTI
9
LRCK
10
11
MCLK
BCLK
12
6
DEMO
PDN
13
VSS
3
LOUT
15
VA
4
VD
5
DEM1
7
ROUT
16
SDTO
8
VCOM
14
AK4552VTP-E2
IC15
LIN
2
RIN
1
SDTI
9
LRCK
10
11
MCLK
BCLK
12
6
DEMO
PDN
13
VSS
3
LOUT
15
VA
4
VD
5
DEM1
7
ROUT
16
SDTO
8
VCOM
14
0
R326
UnPop
0
R325
0
R317 UnPop
0
R318 UnPop
0
R319
UnPop
0
R320
UnPop
0
R322 UnPop
0
R323 UnPop
0
R321 UnPop
0
R324 UnPop
10k
R50
C120
10uF 16V
0.47uF
C310
10
R327
12k
R51
12k
R53
IC306
NJM2100M(TE2)
3
1
2
IC306
NJM2100M(TE2)
5
7
6
NJM2100M(TE2)
IC306
4
8
4P-SAN
CN8
1
2
3
4
3P-SAN
CN7
1
2
3
F (1%)
39k
R55
F (1%)
47k
R56
A+10V
CH1_SIG
AGND
AGND
A+10V
CH2_SIG
AGND
AUXIN_L
AUXIN_R
AGND
AGND
LINEOUT_L
LINEOUT_R
FROM GUITAR INPUT CN300
FROM MIC/LINE INPUT CN400
FROM JACK BOARD CN202