Akai MPC4000 Service Manual Page 49

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A1
File No.
12 34 56 7 8
A
B
C
D
E
F
G
H
12 34 56 7 89 10 11
A
B
C
D
E
F
G
H
I
J
K
12 13 14 15
9 10
I
J
AKAI professional M. I. Corp.
LCOLD
R126
7.5k
R129
7.5k
R130
39k
R133
750
R134
750
A+12V
A-12V
A+12V
A+12V
A-12V
A-12V
C117 100PF
R128 7.5K
R131
10K
R127
10K
R132 7.5K
LHOT_1
LCOLD_1
R135
100
LHOT
R102
1k
R105
3.3K
C114 100pF
R136
300
R137
10K
C126
10/50
R103
1k
R106
3.3K
A+12V
A-12V
C132 0.015uF
C136
22/50
R144 300K
R145 18K
R140
470K
LPHONO
C133
3900pF
R141
91K
R150
300
R151
100
1
2
3
SS
S
RS
R
TS
T
G
J21
COMBO
6
5
7
8
4
IC22B
M5520L
2
3
1
8
4
IC22A
M5520L
R101
5.6K
R102
5.6K
SW1
SSSF142-S09N0
2
3
1
8
4
IC21A
M5220L
RCOLD
R113
7.5k
R116
7.5k
R117
39k
R120
750
R122
750
A+12V
A-12V
A+12V
A-12V
R115 7.5K
RHOT_1
R123
100
RHOT
R108
1k
R111
3.3K
R109
1k
R112
3.3K
A+12V
A-12V
R147 300KR146 18K
R142
470K
RPHONO
R143
96K
R149
300
R148
100
1
2
3
SS
S
RS
R
TS
T
G
J22
COMBO
2
3
1
8
4
IC23A
M5520L
R107
5.6K
R110
5.6K
6
5
7
8
4
IC21B
M5220L
A-12V
A-12V
A+12V
A+12V
A-12V
R118 10K
R114
10K
R119 7.5K
RCOLD_1
R124
300
R125
10K
6
5
7
8
4
IC23B
M5520L
R202
10K
R201
10K
AD+5V
C168
10/50
C169 0.033
R195
10K
A+12V
A-12V
R197
1.5K
2
3
1
8
4
IC25A
M5220L
C165 470PF
R199
1.5K
C166 470PF
R196
10K
LADIN+
LADIN-
SL
GL
SR
GR
FG
J23
PHONOX2
C101
47/50
C102
47/50
C103
47/50
C104
47/50
C105
100P
C106
100P
C108
100P
C107
100P
D10
1SS133
D11
1SS133
D12
1SS133
D13
1SS133
D16
1SS133
D17
1SS133
D18
1SS133
D19
1SS133
D14
1SS133
D20
1SS133
D21
1SS133
D15
1SS133
TR10
2SC3329
TR11
2SC3329
TR12
2SC3329
TR13
2SC3329
TR14
2SC3329
TR16
2SC3329
TR15
2SC3329
TR17
2SC3329
C124
1000/6.3
C123
1000/6.3
1
2
3
4
5
6
7
8
9
10
11
12
LVR2
LVR1
LSEND
GND
RVR1
RVR2
GND
LRETURN
GND
GND
RSEND
RRETURN
P20
PH_12P
C118 100PF
C115 100PF
C116
100PFC113 100PF
C125
10/50
SW1A
1
AGND
2
SW1B
3
DGND
4
SW1C
5
SW2C
6
NC
7
SW2B
8
AGND
9
SW2A
10
SW3A
11
AGND
12
SW3B
13
V-
14
SW3C
15
SW4C
16
V+
17
SW4B
18
AGND
19
SW4A
20
IC53
SSM2404
1
2
3
4
GND
L_CD
GND
R_CD
P21
CONCD_AN
C130
10/50
C131
10/50
C135 0.015uF
C134 3900pF
R155
100K
R157
47K
R161 10K
C143 100PF
R167
2.2K
A+12V
A-12V
A+12V
A-12V
6
5
7
8
4
IC25B
M5220L
R156
100K
R158
47K
C141
10/50
R159 10K
C142 100PF
R160
2.2K
R190 10K
R170 10K
R171
10K
R191 10K
A-12V
C152 100PF
R192 10K
2
3
1
8
4
IC26A
M5220L
A+12V
A-12V
C153 100PF
6
5
7
8
4
IC26B
M5220L
R194 10K
R193 10K
A+12V
A-12V
C156 100PF
R172 10K
2
3
1
8
4
IC28A
M5220L
A+12V
A-12V
C157 100PF
6
5
7
8
4
IC28B
M5220L
R174
10K
R173 10K
L-
L+
R-
R+
2
3
1
8
4
IC27A
NJM5532L
6
5
7
8
4
IC27B
NJM5532L
A+12V
A-12V
A+12V
A-12V
C140
10/50
R198
51
R200
51
R182
10K
R181
10K
AD+5V
C173
10/50
C174
0.033
R175
10K
R177
1.5K
C170 470PF
R179
1.5K
C171 470PF
R176
10K
RADIN+
RADIN-
2
3
1
8
4
IC29A
NJM5532L
6
5
7
8
4
IC29B
NJM5532L
A+12V
A-12V
A+12V
A-12V
R178
51
R180
51
A+12V
C137
22/50
C138
3.3/50
C139
3.3/50
A+12V
A-12V
C120
3.3/50
C119
3.3/50
A+12V
A-12V
C122
3.3/50
C121
3.3/50
A+12V
A-12V
C151
4.7uF
C150
4.7uF
A+12V
A-12V
C163
3.3/50
C162
3.3/50
A+12V
A-12V
C161
3.3/50
C160
3.3/50
A+12V
A-12V
D3.3V
R213
10K
nCD_ANA
C111
3.3/50
C112
3.3/50
A+12V
A-12V
C110
3.3/50
C109
3.3/50
A+12V
A-12V
C144
3.3/50
C145
3.3/50
A+12V
A-12V
1V(RMS)
L CH
R CH
VREFL
1
GNDL
2
VCOML
3
AINL+
4
AINL-
5
ZCAL
6
VD
7
DGND
8
CAL
9
RST
10
SMODE2
11
SMODE1
12
LRCK
13
SCLK
14
SDATE
15
FSYNC
16
MCLK
17
DFS
18
HPFE
19
TEST
20
BGND
21
AGND
22
VA
23
AINR-
24
AINR+
25
VCOMR
26
GNDR
27
VREFR
28
IC30
AK5383
S1
1
VDD
2
GND
3
ICLK
4
FBIN
5
SO
6
CLK
7
CLK/2
8
IC31
ICS570A
D+3.3V
DGND
BCLK
DUAL_MODE R212 33
5
6
4
IC32B
74LVC02
8
9
10
IC32C
74LVC02
11
12
13
IC32D
74LVC02
A
2
B
3
Y
1
VCC
14
GND
7
IC32A
74LVC02
nCD_SELECT
D+3.3V
C175
10/50
C177 0.1
C178
10/50
C180
0.1
C176 0.1
C167
1000P
C172
1000P
C179 0.1
A+5VADC
C189
10/50
C181
0.1
D3.3V
DGND
C182
0.1
DGND
C185
4.7/50
nAD_PD
R219
2.2K
LRCK
R205 33
R206 33
R207 33
R210 33
D3.3V
SDATA
R209 33
R208 33
1
2
3
IC51A
4
5
6
IC51B
74LVC08
11
12
13
IC51D
74LVC08
Y
8
A
9
B
10
GND
7
VCC
14
IC51C
74LVC08
R215 33
R211 33
R216
33
R214
33
nDA_PD
D+3.3V
nDA_RST
R220 33
C183
0.1
C184 0.1
C186
0.1 C187 0.1
A+5VADC D+3.3V
DGND
nDA_RST
DGND
R231
10K
R230
1K
+15V
C218
4.7/50
A+12V
D22
1SS133T
C219
220/25
DGND
GND
1
IN
2
OUT
3
IC34
78L05
C220
0.1
R233
2.2K
R232
2.2K
R255
20K
-12V
BCLK
LRCK
D+3.3V
A+5VDAC
DGND
R259 33
R257
33
R256 33
R258
33
DGND
R240
33
RL1
G5A-12V
3
1
2
J24
XLB-3
C228
10/50
C227 0.033
C231
10/50
C230
10/50
R265 16K
A-12V
C234 2700P
R268
1.1k
2
3
1
8
4
IC37A
OPA2134
A+12V
A-12V
C235 2700P
R267
1.1k
6
5
7
8
4
IC37B
OPA2134
A+12V
A-12V
C239 2700PF
R270 1.1K
2
3
1
8
4
IC38A
OPA2134
A+12V
A-12V
C238 2700PF
R271 1.1K
6
5
7
8
4
IC38B
OPA2134
A+12V
R266
100
R269
100
2
3
1
8
4
IC39A
5532L
C244 1800PF
R276 620
A-12V
A+12V
R277
620
R272
1.2K
R273
1.2K
R274
620
R275
620
C240
3900PF
C241
1800PF
6
5
7
8
4
IC39B
5532L
C245
1800PF
R282 620
A-12V
A+12V
R283
620
R278
1.2K
R279
1.2K
R280
620
R281
620
C243
3900PF
C242
1800PF
A-12V
A+12V
2
3
1
8
4
IC44A
M5220L
C297 150P
R346 10K
A-12V
A+12V
R345
4.7K
C295
10/50
6
5
7
8
4
IC44B
M5220L
C298 150P
R349 10K
A-12V
A+12V
R348
4.7K
C296
10/50
R347
100
R350
100
R285
100
R284
100
1
2
3
4
5
6
7
8
9
10
11
R_R+
R_SEND
L_R-
R_R-
GND
L_SEND
L_R+
GND
-12V
GND
+12V
P28
MAINVR
A-12V
A+12V
2
3
1
8
4
IC40A
5532D
C257
270P
R295
3.6K
A-12V
A+12V
R293
3.6K
R291
2K
C256
2200P
C251
22/50
6
5
7
8
4
IC40B
5532D
C255 270P
R294 3.6K
A-12V
A+12V
R292
3.6K
R290
2K
C254
2200P
C250
22/50
R296
100
R297
100
XLR_LHOT
XLR_LCOLD
D24
1SS133
A+12V
RL2
G5A-12V
3
1
2
J25
XLB-3
2
3
1
8
4
IC41A
5532D
C263 270P
R305 3.6K
A-12V
A+12V
R303
3.6K
R301
2K
C262
2200P
C253
22/50
6
5
7
8
4
IC41B
5532D
C261 270P
R304 3.6K
A-12V
A+12V
R302
3.6K
R300
2K
C260
2200P
C252
22/50
R306
100
R307
100
XLR_RHOT
XLR_RCOLD
D23
1SS133
A+12V
C286
2200P
C285
2200P
C288
2200P
C287
2200P
2
3
1
8
4
IC42A
5532D
C273 150P
R315 3.6K
A-12V
A+12V
R313
3.6K
R311
1K
C272
2700P
C267
22/50
6
5
7
8
4
IC42B
5532D
C271 150P
R314 3.6K
A-12V
A+12V
R312
3.6K
R310
1K
C270
2700P
C266
22/50
R319
560
R317
560
R321
100
R320
100
R318
10K
R316
10K
C289
2200P
C290
2200P
2
3
1
8
4
IC43A
5532D
C279 150P
R335 3.6K
A-12V
A+12V
R333
3.6K
R331
1K
C278
2700P
C269
22/50
6
5
7
8
4
IC43B
5532D
C277
150P
R334 3.6K
A-12V
A+12V
R332
3.6K
R330
1K
C276
2700P
C268
22/50
R339
560
R337
560
R341
100
R340
100
R338
10K
R336
10K
C291
2200P
C292
2200P
C232
3.3/50
C233
3.3/50
A+12V
A-12V
C236
3.3/50
C237
3.3/50
A+12V
A-12V
C300
3.3/50
C299
3.3/50
A+12V
A-12V
C258
3.3/50
C259
3.3/50
A+12V
A-12V
C264
3.3/50
C265
3.3/50
A+12V
A-12V
C274
3.3/50
C275
3.3/50
A+12V
A-12V
C280
3.3/50
C281
3.3/50
A+12V
A-12V
TR19
2SA1317
TR20
DTC114
DGND
TR21
2SC3327
DGND
TR22
2SC3327
DGND
TR23
2SC3327
TR24
2SC3327
A+12V
A-12V
J26
J27
C246
3.3/50
C247
3.3/50
C226
0.1
1
2
3
4
5
6
7
GND
HEAD_L
-12V
HEAD_R
GND
+12V
GND
8MUTE
P29
R250
4.7K
R-
R+
L-
L+
R+
L+
LINE L
LINE R
NC
1
VIN
2
NC
3
GND
4
RES C
5
OUT
6
VCC
7
NC
8
IC35
M51957BFP
R360
330
C186
330P
LINE ON
CD ON
IN
GND
OUT
IC47
78M05
IN
GND
OUT
IC48
78M05
A+5VADC A+5VDAC
IN
GND
OUT
IC46
78M08
C210
3.3/50
C209
0.047
+15V
IN
GND
OUT
IC49
78M08
D+5V
C213
0.047
IN
GND
OUT
IC50
29M33
D+3.3V
C216
10/50
C217
0.047
DGND
DGND
C211
10/50
C212
0.047
C214
10/50
C215
0.047
C208
0.047
+15V
IN
GND
OUT
IC24
7812
IN
GND
OUT
IC45
7912
C206
3.3/50
A+12V
A-12V
-15V
C203
10/50
C207
0.047
+15V
C204
3.3/50
C202
10/50
C205
0.047
+15V +15V1
3
5
7
9
11
13
15
17
19
21
23
25
2
4
6
8
10
12
14
16
18
20
22
24
26
GND
-15V
GND
GND
GND
GND
GND
CS_DA
CD_SEL
SOUTO
AD PD
GND
-15V
MUTE
FS384
BTCK
TDI/CDTI
CCLK
SDATA GND
DFS
CD_ANA
LRCK
DA PD
W1
RA
DGND
MUTE
SOUT0
FS384
LRCK
BCLK
1G
1
1A1
2
2Y4
3
1A2
4
2Y3
5
1A3
6
2Y2
7
1A4
8
2Y1
9
GND
10
2A1
11
1Y4
12
2A2
13
1Y3
14
2A3
15
1Y2
16
2A4
17
1Y1
18
2G
19
VCC
20
IC52
74LVC244
D+3.3V
C200
10/50
C201
10/50
C225 0.1
nCD_ANA
nCD_SELECT
nAD_PD
nDA_PD
DUAL_MODE
SDATA
CD_ON
LINE_ON
nAD_RST
nAD_RST
BCLK
LRCK
1
2
3
4
GND
L_CD
GND
R_CD
P23
PH_2P
R234
2.4K
A-12V
R361
150 (2W)
MPC4000
PC AD DA
SCHEMATIC DIAGRAM
R217
3.3K
R218
1K
+8V
NC
1
VIN
2
NC
3
GND
4
RES C
5
OUT
6
VCC
7
NC
8
IC33
M51957BFP
C302
473Z
P22
C159
10/25
C155
10/25
C154
10/25
C158
10/25
C191 0.1
C179 0.1
C301
220/50
A+12V
RST
1
ZEROL
2
ZEROR
3
LRCK
4
DATA
5
BCK
6
SCKI
7
DGND
8
VDD
9
DEMP0
10
DEMP1
11
FMT0
12
FMT1
13
FMT2
14
MUTE
15
IOUTR-
16
IOUTR+
17
AGND1
18
VCOM1
19
VCOM2
20
IREF
21
VCOM3
22
VCC1
23
VCC2
24
IOUTL+
25
IOUTL-
26
AGND2
27
VCC3
28
IC36
PCM1730
+8V
11
12
13 14
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