M-Audio ACCENT MODULE MIK1, Service Manual, Page: 12 / 39

12
Circuit Boards
Main Board Schematic-07
1uH
1uH
2 - ALL CAPACITANCE VALUES ARE INDICATED IN "F". ( U = 0.000001F; P = 0.000001UF. ) 1 - ALL RESISTANCE VALUES ARE INDICATED IN "ohm". (K = 1,000ohm; M = 1,000,000ohm. )
REMARK :
PCM1808
1
VREF
2
AGND
3
VCC
4
VDD
5
DGND
6
SCKI
7
LRCK
14
VINR
13
VINL
12
FMT
11
MD1
10
MD0
9
DOUT
8
BCK
U22
C230 10U/10V
C231 0.1U
C232
1U/50V
R31
100
R32
100
C233
1U/50V
C234
0.01U
C235 0.01U
AR31
100
C236 10U/10V
C237 0.1U
C238
10U/10V
C239 0.1U
AR27
R97 10K
R98 10K
C240 10U/10V
C241 0.1U
R126
15K 1%
R127
15K 1%
R129 15K 1%
R130 12K 1%
C244 1n 5%
C245
180p 5%
C246
4.7U/NP
C247
4.7U/NP
R132
4.7K
R133 4.7k
C248
100U/10V
C249
0.1uF
R134 15K 1%
R135 12K 1%
C250 1n 5%
C253
180p 5%
R136
10K
C254
4.7U/16V
L38
R137 220
R138
10K
C255
4.7U/16V
L39
R139
220
3
+
2
-
1
U37-A
8 4
U37-C
5
+
6
-
7
U37-B
R141
100K 1%
R142
100K 1%
C256
10U/16V
C257 0.1U
R143
0
R144
0
R145
4.7 OHM
R146
470 1%
R147
47K 1%
R148
47K 1%
C259
470p
C260 470p
L13 L14
L15
C261
8pF
C262 8pF
C263 22pF
C264 8pF
C258 470p
C278 100p
C279 100p
R140
470 1%
1 2 3 4 5 6 7 8
9 10 11
JK3
AGND
+5VAA'
VINR VINL
IIS_CDCLK_ADC
IIS_LRCK_ADC
IIS_DBCK_ADC
IIS_DOUT_ADC
A5_I2S_LRCLK0
A5_I2S_SCLK0 A5_I2S_BCLK0 A5_I2S_DO2
IIS_LRCK_ADC IIS_DBCK_ADC IIS_DOUT_ADC IIS_CDCLK_ADC
+5VAA'
AGND
AUXIN_R
AUXIN_L
+5VAA'
VINR
VINL
+5VA
+5VAA'
AGND
+3.3VD
AUX_IN_CHECK
AUXIN_R AUXIN_L