Roland Dr. Sample SP-303 Service Notes page 31

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Mar.2001
fig.analog
IC1C
UPC4570G
IC3C
BA15218F
+ 5
A
-
-
264
+
+
A
C211
R138
470
10/16
C164
0.0022
C-VDD
C165
0.1
C166
4.7/50
A
R141
470
C169
0.0022
C172
0.1
C174
4.7/50
A
C176
C177
10/16
0.1
+
D 3. 3
R185
A
A
10k
C-PD
C198
22/16
L30
R167
N2012Z601T02
1k
L31
N2012Z601T02
R173
R174
100k
100k
A
A
K
C183
22/16
R152
1k
C193
R158
R159
A
100k
100k
A
A
IC4C
UPC4570G
IC2C
IC5C
UPC4570G
M5216FP
+
-
-
-
+
+
+
A
+ 5
A
L9
N2012Z601T02
+
D 3. 3
C161
C305
0.1
0.1
C162
C163
0.1
10/16
A
D
IC35
AK4522VF
4
12
AINL+
SDTI
13
SDTO
5
10
AINL-
LRCK
11
SCLK
2
AINR+
D 3. 3
9
DIF1
3
8
AINR-
DIF0
1
14
VREFH
SMUTE
24
VCOM
16
DEM1
22
15
AOUTL
DEM0
23
17
AOUTR
MCLKI
21
CMODE
CKOUT:256FS
20
PD
AD:20MSB
DA:20MSB
D
C306
0.1
C179
N.M.T
D
A
JK8B
YKC21-3049
32
L
31
42
R
41
LINE
OUT
L34
N2012Z601T02
0.1
A +9V
+
R127
2
10k
-
1
3
+
IC1A
UPC4570G
R130
C156
10k
10/16
A
A
VR6B
250kRD
C265
A
0.1
CODEC
C-DADATA
R240
100
C-ADDATA
CODEC-LRCK
CODEC-BCK
CODEC-MCK
+
C-SMUTE
+
D 3. 3
R181
10k
R180
10k
A-MUTE
L32
R171
R183
N2012Z601T02
22
22
1
L33
Q18
R184
N2012Z601T02
RN1441
22
A
R160
22
1
Q16
RN1441
A
A +9V
+
A+4.5V
A+4.5V
(MIC
(EXCEPT
ONLY)
R62
+
4.5v(M)
MIC)
10k
R63
C74
10k
470/6.3
A
A
VR5C
RK09L1220 50KA
10
20
A
MUTE
+
+
D9
MA111
Q22
2SA1602A
R146
10K
C178
1
10/16
R199
1
10k
A
Q14
2SC4116GR
R200
A
1M (44LOT-UP)
*
JK9
LGR4609-7000
2
4
PHONE
3
1
L10
N2012Z601T02
C195
0.1
A
SP-303
A
31

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