SCH20-2 DAC 13ch MainDAC NEW
All Ref.No. has been described in the parts list are four digits.
But there are less than four digits of printed Ref.No. on the PCB, and they have become four digits after the header by adding "0" in the parts list.
This SCHEMATIC DIAGRAMS describes the product with the following serial No.
Serial Number : from MBxxxxxx70001~
s
DIGITAL VIDEOANALOG VIDEO
AUDIO SIGNAL
TMDS SIGNAL
GND LINE
POWER- LINE
POWER+ LINE
DAC_UNIT(2/2)
To_8U-210250-6(N905)
CONNECT-2_UNIT
33P-SOCKET(C125Z2)
N101
N104
33P-SOCKET(C125Z2)
11P-SOCKET(C125Z2)
N105
To_8U-210250-5(N953)
CONNECT-1_UNIT
4.7uF
C127
C128
0.1
0
R101
C130
0.1
C129
4.7uF
IN
OUT
U101
NJM2845DL1-33
3P-PH
N106
STYLE-PIN
Z101
To_8U-210250-1(N505)
AUDIO/VIDEO_UNIT(1/4)
1000P
C113
1000P
C104
1000P
C106
1000P
C109
1000P
C112
0.1
C116
0.1
C123
0.1
C117
0.1
C125
0.1
C121
0.1
C124
1000P
C107
0.1
C126
1000P
C103
0.1
C115
0.1
C122
0.1
C118
1000P
C111
0.1
C114
1000P
C108
1000P
C105
1000P
C110
0.1
C119
1000P
C101
0.1
C120
1000P
C102
To_8U-110229-13(N904)
SIDE_CONNECT_UNIT
STYLE-PIN
Z103
11P-SOCKET(C125Z2)
N910
P1
PWB_DAC_A490
To_8U-110229-13(N903)
SIDE_CONNECT_UNIT
C206
2200P
2.2u
C168
C207
2200P
2.2u
C169
PCM5102APWR
U102
33
R182
33
R183
33
R184
33
R185
33
R186
R222
10K
0.1
C143
0.1
C142
2.2u
C173
0.1
C144
33
R191
33
R187
R223
10K
33
R188
33
R189
2.2u
C174
33
R190
PCM5102APWR
U103
0.1
C145
2.2u
C179
0.1
C146
33
R193
R224
10K
PCM5102APWR
U104
2.2u
C178
33
R194
33
R195
0.1
C147
33
R192
33
R196
2.2u
C184
0.1
C148
33
R198
R225
10K
PCM5102APWR
U105
2.2u
C183
33
R199
33
R200
0.1
C149
33
R197
33
R201
2.2u
C189
0.1
C150
33
R203
R226
10K
PCM5102APWR
U106
2.2u
C188
33
R204
33
R205
0.1
C151
33
R202
33
R221
2.2u
C194
0.1
C152
33
R207
R227
10K
PCM5102APWR
U107
2.2u
C193
33
R208
33
R209
0.1
C153
33
R206
33
R210
2.2u
C199
0.1
C154
33
R212
R228
10K
PCM5102APWR
U108
2.2u
C198
33
R213
33
R214
0.1
C155
33
R211
33
R215
33
R216
33
R219
R229
10K
33
R220
0.1
C157
PCM5102APWR
U109
2.2u
C204
2.2u
C203
0.1
C156
33
R218
33
R217
R143
33
R142
33
SN74LVC244APWR
U110
R140
33
R173
33
0.1
C135
R141
33
4.7uC138
2N5551S
Q102
2N5551S
Q117
OPEN
R336
OPEN
C269
2N5551S
Q118
OPEN
C270
100K
R359
2N5551S
Q101
OPEN
R335
100K
R360
OPEN
R166
R149
33
R178
33
OPEN
R167
0.1
C137
R179
33
OPEN
R168
SN74LVC244APWR
U112
R148
33
OPEN
R169
R151
33
R181
33
OPEN
R165
OPEN
R170
R150
33
R180
33
4.7uC140
OPEN
R164
OPEN
R171
R144
33
0.1
C136
R177
33
SN74LVC244APWR
U111
R175
33
R174
33
R147
33
4.7uC141
R176
33
R145
33
R146
33
OPEN
R163
OPEN
R162
OPEN
R159
OPEN
R161
OPEN
R158
OPEN
R160
OPEN
R156
OPEN
R157
OPEN
R155
OPEN
R152
OPEN
R153
OPEN
R154
NETDAC_MUTE
NETDAC_DATA
NETDAC_LRCK
NETDAC_BCK
NETDAC_MCLK
DACGND
DA+5V
DGND_DAC
OPEN
C239
OPEN
C238
R311
47
R312
47
470
R279
470
R280
R231
470
R230
470
100K
R246
100K
R247
OPEN
C271
R313
47
470
R284
R233
470
2N5551S
Q104
OPEN
C272
2N5551S
Q119
R314
47
100K
R361
OPEN
R337
100K
R362
2N5551S
Q120
OPEN
C241
2N5551S
Q103
OPEN
R338
2N5551S
Q105
OPEN
R340
100K
R364
OPEN
C274
2N5551S
Q106
OPEN
R339
OPEN
C273
OPEN
C242
R316
47
2N5551S
Q107
R236
470
OPEN
C244
OPEN
R342
100K
R366
OPEN
C276
470
R293
R317
47
2N5551S
Q108
OPEN
R341
OPEN
C275
2N5551S
Q123
470
R292
100K
R365
OPEN
C243
2N5551S
Q124
R237
470
R318
47
2N5551S
Q109
R238
470
OPEN
C246
OPEN
R344
100K
R368
OPEN
C278
470
R297
R319
47
2N5551S
Q110
OPEN
R343
OPEN
C277
2N5551S
Q125
470
R296
100K
R367
OPEN
C245
2N5551S
Q126
R239
470
R320
47
2N5551S
Q111
R240
470
OPEN
C248
OPEN
R346
100K
R370
OPEN
C280
470
R301
R321
47
2N5551S
Q112
OPEN
R345
OPEN
C279
2N5551S
Q127
470
R300
100K
R369
OPEN
C247
2N5551S
Q128
R241
470
R322
47
2N5551S
Q113
R242
470
OPEN
C250
OPEN
R348
100K
R372
OPEN
C282
470
R305
R323
47
2N5551S
Q114
OPEN
R347
OPEN
C281
2N5551S
Q129
470
R304
100K
R371
OPEN
C249
2N5551S
Q130
R243
470
R324
47
2N5551S
Q115
R244
470
OPEN
C252
OPEN
R350
100K
R374
OPEN
C284
470
R309
R325
47
2N5551S
Q116
OPEN
R349
OPEN
C283
2N5551S
Q131
470
R308
100K
R373
OPEN
C251
2N5551S
Q132
R245
470
R326
47
4.7K
R283
R264
3.9K
OPEN
R262
OPEN
R265
OPEN
R263
R232
4.7K
R235
4.7K
4.7K
R288
3.9K
R267
100K
R248
OPEN
C222
OPEN
C223
OPEN
C225
100K
R249
C209
2200P
C220
2200P
OPEN
C236
100K
R260
OPEN
R276
C218
2200P
OPEN
C234
100K
R258
OPEN
R274
C216
2200P
OPEN
C232
100K
R256
OPEN
R272
C214
2200P
OPEN
C230
100K
R254
OPEN
R270
C212
2200P
OPEN
C228
100K
R252
OPEN
R268
OPEN
C226
OPEN
R266
OPEN
R269
OPEN
C229
100K
R253
C213
2200P
OPEN
R271
OPEN
C231
100K
R255
C215
2200P
OPEN
R273
OPEN
C233
100K
R257
C217
2200P
OPEN
R275
OPEN
C235
100K
R259
C219
2200P
OPEN
R277
OPEN
C237
100K
R261
C221
2200P
100K
R251
DAZ3L
DAZ2R
R172
33
R134
10K
DAC_CCS2
DAC_RST2
DAC_RST1
DAC_CCS1
DAC_CDATA
DAC_CCLK
R135
OPEN
R136
OPEN
R137
OPEN
R139
OPEN
R138
OPEN
0
R391
ADCOSR
330
R375
330
R327
330
R381
330
R334
330
R329
330
R378
330
R330
330
R379
330
R333
330
R331
330
R376
330
R328
330
R332
330
R380
330
R382
OPEN
R106
OPEN
R104
OPEN
R102
OPEN
R107
OPEN
R105
0
R103
0
R117
1K
R120
1K
R119
R392
100
DA3.3V
DAZ3R
DAZ2L
Z2VCOM
ADINR..
ADINL..
DISTR..
DISTL..
DMIXL.
DMIXR.
DISTR...
DISTL...
C319
4.7uF
4.7uF
C317
IN
OUT
U113
NJM2845DL1-33
C318
0.1
0
R108
C320
0.1
OPEN
R109
4.7uF
C200
4.7uF
C205
4.7uF
C170
4.7uF
C175
4.7uF
C180
4.7uF
C185
4.7uF
C190
4.7uF
C195
C316
0.01
C315
0.01
C314
0.01
C313
0.01
C312
0.01
C311
0.01
C310
0.01
C309
0.01
C196
0.01
C201
0.01
C166
0.01
C171
0.01
C176
0.01
C181
0.01
C186
0.01
C191
0.01
OPEN
C354
OPEN
C353
OPEN
C346
OPEN
C348
OPEN
C356
OPEN
C347
OPEN
C355
OPEN
C350
OPEN
C358
OPEN
C349
OPEN
C357
OPEN
C352
OPEN
C345
OPEN
C351
OPEN
C343
OPEN
C344
220/25
C339
220/25
C340
220/25
C341
220/25
C342
DAC_DGND
OPEN
R110
OPEN
R114
OPEN
R116
OPEN
R112
OPEN
R111
OPEN
R113
OPEN
R115
0
R129
OPEN
R130
R394
0
R396
0
C211
680P
C208
680P
C227
OPEN
C224
OPEN
0
R123
0
R122
0
R124
0
R121
0
R126
0
R127
0
R125
0
R128
0.01C324
0.01C323
0.01C325
0.01C326
0.01C328
0.01C327
0.01C330
0.01C329
0.01C332
0.01C331
0.01C333
0.01C334
0.01C336
0.01C335
0.01C338
0.01C337
R395
0
R397
0
C255
1uF
C265
1uF
C257
1uF
C258
1uF
C259
1uF
C266
1uF
C267
1uF
C260
1uF
C261
1uF
C268
1uF
C262
1uF
C263
1uF
C253
1uF
C254
1uF
C256
1uF
C264
1uF
C361 0.01
C360 0.01
C365 0.01
C362 0.01
C363 0.01
C364 0.01
C366 0.01
C367 0.01
C369 0.01
C368 0.01
C371 0.01
C370 0.01
C373 0.01
C372 0.01
C375 0.01
C374 0.01
1000P
C197
1000P
C202
1000P
C167
1000P
C172
1000P
C177
1000P
C182
1000P
C187
1000P
C192
47K
R289
47K
R278
4.7K
R302
4.7K
R303
10K
R131
0
R118
OPEN
R393
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
1
2
3
4
5
6
7
8
9
10
11
1
2
3
1
2
3
1
2
3
4
5
6
7
8
9
10
11
1
CPVDD
2
CAPP
3
CPGND
4
CAPM
5
VNEG
6
OUTL
7
OUTR
8
AVDD
9
AGND
10
DEMP
11
FLT
12
SCK
13
BCK
14
DIN
15
LRCK
16
FMT
17
XSMT
18
LDOO
19
DGND
20
DVDD
1
CPVDD
2
CAPP
3
CPGND
4
CAPM
5
VNEG
6
OUTL
7
OUTR
8
AVDD
9
AGND
10
DEMP
11
FLT
12
SCK
13
BCK
14
DIN
15
LRCK
16
FMT
17
XSMT
18
LDOO
19
DGND
20
DVDD
1
CPVDD
2
CAPP
3
CPGND
4
CAPM
5
VNEG
6
OUTL
7
OUTR
8
AVDD
9
AGND
10
DEMP
11
FLT
12
SCK
13
BCK
14
DIN
15
LRCK
16
FMT
17
XSMT
18
LDOO
19
DGND
20
DVDD
1
CPVDD
2
CAPP
3
CPGND
4
CAPM
5
VNEG
6
OUTL
7
OUTR
8
AVDD
9
AGND
10
DEMP
11
FLT
12
SCK
13
BCK
14
DIN
15
LRCK
16
FMT
17
XSMT
18
LDOO
19
DGND
20
DVDD
1
CPVDD
2
CAPP
3
CPGND
4
CAPM
5
VNEG
6
OUTL
7
OUTR
8
AVDD
9
AGND
10
DEMP
11
FLT
12
SCK
13
BCK
14
DIN
15
LRCK
16
FMT
17
XSMT
18
LDOO
19
DGND
20
DVDD
1
CPVDD
2
CAPP
3
CPGND
4
CAPM
5
VNEG
6
OUTL
7
OUTR
8
AVDD
9
AGND
10
DEMP
11
FLT
12
SCK
13
BCK
14
DIN
15
LRCK
16
FMT
17
XSMT
18
LDOO
19
DGND
20
DVDD
1
CPVDD
2
CAPP
3
CPGND
4
CAPM
5
VNEG
6
OUTL
7
OUTR
8
AVDD
9
AGND
10
DEMP
11
FLT
12
SCK
13
BCK
14
DIN
15
LRCK
16
FMT
17
XSMT
18
LDOO
19
DGND
20
DVDD
1
CPVDD
2
CAPP
3
CPGND
4
CAPM
5
VNEG
6
OUTL
7
OUTR
8
AVDD
9
AGND
10
DEMP
11
FLT
12
SCK
13
BCK
14
DIN
15
LRCK
16
FMT
17
XSMT
18
LDOO
19
DGND
20
DVDD
1
1OE
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
2OE
20
VCC
1
1OE
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
2OE
20
VCC
1
1OE
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
2OE
20
VCC
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
7
4
6
5
1
8
2
3
7
4
6
5
1
8
2
3
1
8
2
3
7
4
6
5
1
8
2
3
7
4
6
5
1
8
2
3
7
4
6
5
1
8
2
3
7
4
6
5
1
8
2
3
7
4
6
5
1
8
2
3
7
4
6
5
INPUT
INPUT
INPUT
INPUT
INPUT
BIDIRECT
BIDIRECT
INPUT
OUTPUT
INPUT
INPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
INPUT
INPUT
INPUT
DAFR
DAFL
DASW1
DASW2
DASR
DASL
DAH3L
DAC_BCK
DAC_SL/SR
DAC_FC/SW1
DAC_LRCK1
DAC_FL/FR
DAC_SW2/RSV
DAC_H3L/H3R
DAC_H1L/H1R
DAC_H2L/H2R
DAC_SBL/SBR
DAC_LRCK2
DISTL...
Z2VCOM
DISTR...
DMIXL.
DMIXR.
DAH1L
DAH1R
DASBR
DASBL
DAH2R
DAH2L
DAZ3L
DAZ2L
DAZ3R
DAZ2R
ADINR..
DISTR..
DISTL..
ADINL..
DAC_LRCK1.
DAC_BCK1.
DAC_ID_MI
DAC_ID_MO
DAC_H1L/H1R.
DAFL
DAFR
DAC_SL/SR.
DAC_FL/FR.
DAC_FC/SW1.
DAC_SW2/RSV.
DAC_SBL/SBR.
DAC_H2L/H2R.
DAC_H3L/H3R.
DAC_MUTE1.
DAC_MUTE1.
DAC_MUTE1.
DAC_MUTE2.
DAC_MUTE2.
DAC_MUTE2.
DAC_LRCK1.
DAC_LRCK2.
DAC_LRCK2.
DAC_LRCK3.
DAC_LRCK3.
DAC_LRCK4.
DAC_LRCK4.
DAC_MCLK1.
DAC_MCLK1.
DAC_MCLK1.
DAC_MCLK2.
DAC_MCLK2.
DAC_BCK1.
DAC_BCK1.
DAC_BCK2.
DAC_BCK2.
DAC_BCK2.
DAC_FLT.
DAC_MUTE1.
DAC_MUTE2.
DAC_SBL/SBR.
DAC_SW2/RSV.DAC_SW2/RSV.
DAC_SL/SR.
DAC_FC/SW1.
DAC_H2L/H2R.
DAC_FL/FR.DAC_FL/FR.
DAC_LRCK4.
DAC_LRCK2.
DAC_LRCK3.
DAC_LRCK1.
DAC_DEMP
DAH2R
DAH2L
DAH1L
DAH1R
DAH3R
DAH3L
DASBL
DASBR
DASR
DASL
DASW2
DASW1
DAFC
DAFC
DAC_DET_EN
DAC_FLT
DAC_DEMP
DAC_DEMP.
DAC_DEMP.
DAC_FLT.
DAC_DEMP.
DAC_FLT.
DAC_FLT.
DAC_DEMP.
DAC_FLT.
DAC_DEMP.
DAC_FLT.
DAC_DEMP.
DAC_FLT.
DAC_DEMP.
DAC_FLT.
DAC_DEMP.
DAC_DET_EN
ADCOSR.
DAC_MUTE
ADCOSR.
DAC_SBL/SBR
DAC_H3L/H3R
DAC_H1L/H1R
DAC_H2L/H2R
DAC_FL/FR
DAC_SL/SR
DAC_H1L/H1R.
DAC_H3L/H3R.
DAC_SW2/RSV
DAC_FC/SW1
DAC_BCK
DAC_LRCK1
DAC_LRCK2
DAC_MUTE
DAC_MUTE2.
DAC_MUTE1.
DAC_MCLK
DAC_FLT
DAZ2R
DAZ3L
DAZ3R
DAZ2L
Z2VCOM
ADINL..
ADINR..
DISTR..
DISTL..
DMIXR.
DMIXL.
DISTR...
DISTL...
DAC_MCLK1.
DAC_BCK1.
DAC_MCLK2.
DAC_MCLK2.
DAC_BCK2.
DAC_MCLK
DAH3R
DAC_FLT.
DAC_MCLK2.
DAC_MCLK1.
DAC_DEMP.
DAC_BCK1.
DAC_BCK2.
DAC_ID_MI
DAC_ID_MO
DAC_MUTE
To/From ZONEDAC Part
To/From ZONEDAC Part
TO 8U-210251-1(1/2)
DACGND
DAH3L
DASL
DACGND
DACGND
DAZ3R
DAH2R
DAZ2R
ADINL
ADINR
DAZ2L
DAZ3L
NC(DATC)
DASR
DAH1R
DASW2
DAH2L
DMIXL
DAH3R
DASW1
DMIXR
DAH1L
DACGND
A+7V
DA+5V(NC)
A+7V
A-7V
DA+5V(NC)
A-7V
DAC1_C/C
DGND
DAC1_F/FR
DAC2_H3/H2L
DGND
DAC2_-SB/SBR
DGND
DAC1_LRCK/FL
DGND
DGND
DGND
DAC1_BCK/CK
DAC2_-/H2R
DAC1_-/SW2
DGND
DAC1_SW2/SL
DAC1_S/SW1
DGND
DAC2_H2/H1R
DGND
DAC1_-/SR
DAC1_MCLK
DGND
DAC2_LRCK/SBL
DAC2_H1/H1L
DAFC
DAFL
DACGND
DAFR
DACGND
DISTR..
DISTL..
Z2VCOM
DistortionR
DistortionL
VOLMUTE
VOLMUTE
DASBL
DASBR
DACGND
DA+5V
DACGND
DAC2_H4/H3L
DAC2_-/H3R
DGND
PLD_DAC_ID_IN(NC)
ADCOSR(NC)
PLD_DAC_MUTE(NC)
To/From A.AUDIO B'D
To/From DIGITAL B'D
To/From CONNECTOR
NC(DAH4R)
NC(DAH4L)
DGND
DLHD
DGND
DGND
DGND
DA3.3V
DMIXDAC_MUTE
DMIXDAC_BCK
DMIXDAC_MCLK
DMIXDAC_DATA
DGND
DMIXDAC_LRCK
0.01C133
OPEN
Z102
OPEN
N909
C286
100/50
C285
100/50
NJM8068G-TE2
U122
NJM8068G-TE2
U122
NJM8068G-TE2
U123
C287
47/25
NJM8068G-TE2
U123
C288
47/25
R234
OPEN
NJM8068G-TE2
U124
C290
47/25
R315
OPEN
C289
OPEN
NJM8068G-TE2
U124
OPEN
Q121
0
R287
OPEN
R363
OPEN
Q122
NJM8068G-TE2
U125
C292
47/25
C291
47/25
NJM8068G-TE2
U125
NJM8068G-TE2
U126
C294
47/25
C293
47/25
NJM8068G-TE2
U126
NJM8068G-TE2
U127
C296
47/25
C295
47/25
NJM8068G-TE2
U127
NJM8068G-TE2
U128
C298
47/25
C297
47/25
NJM8068G-TE2
U128
NJM8068G-TE2
U129
C300
47/25
C299
47/25
NJM8068G-TE2
U129
C210
OPEN
0
R250
OPEN
R377
R351
3.3K
R357
3.3K
R389
3.3K
R386
3.3K
R354
3.3K
R387
3.3K
R355
3.3K
R384
3.3K
R388
3.3K
R390
3.3K
R356
3.3K
R358
3.3K
R352
3.3K
R385
OPEN
R383
3.3K
R353
3.3K
100/16
C301
100/16
C302
100/16
C303
100/16
C304
100/16
C305
100/16
C306
100/16
C307
100/16
C308
100/16
C158
100/16
C159
100/16
C160
100/16
C161
100/16
C162
100/16
C163
100/16
C164
100/50
C165
0.01C322
47/50
C132
47/50
C131
OPEN
B101
OPEN
B101A
0.01C134
0.01C321
MAIN DAC
SBL
SR
H2L
H1L
H2R
H3L
SL
H1R
H3R
SBR
C
SW1
SW2
RSV
FR
FL
0J
TO J0
1J
TO J1
__N101
TO _N904
_N910
TO __N903
_N104
TO _N905
__N105
TO _N953
__N106
TO _N505
34
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
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