SCH04_DAC
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.
GND LINE
POWER- LINE
POWER+ LINE
STBY POWER
DSD SIGNAL
Rch SIGNAL
Lch SIGNAL
SPDIF
PCM SIGNAL
C450
220/50
C469 CQ
0.027(100V)
R461
180
C409
1000P
R471
100K
R442
0
IN
OUT
U414
NJM7805FA
C477
CQ2200P(LP)
R460 180
1.5K
R412
R470
100K
C430
100P
C402 220/50
R449
820
DAC_GND
C440
220/50
CK0.1
C441
C401 220/50
R450
820
C460
100/50
CK0.1
C446
C427
CK0.1
U417
BA15218F
R448
820
C447 220/50
R478
100
R432
100
C435
0.1Z
R451
820
R477
100
R441
0
C432
0.01
R467
180
R422
33
R475 100K
IN
OUT
U412
BA033T
C475
CQ
0.01(LP)
R466
180
R417
33
R476 100K
C476
CQ
0.01(LP)
R462
82
R418
33
C455
OPEN
C451
0.01
C415
0.01
220/25 C445
R463
82
R419
33
C482
CQ
0.01(LP)
R438
10K
R445 10K
R464
82
R421
33
C416
0.1Z
C453
OPEN
R440
0
R481
100
R465
82
R420
33
C417
220/50
C483
CQ
0.01(LP)
U410
PCM1795DBR
R482
100
R414
33
C418
0.01
C452
OPEN
C436
220/25(NE)
Q410
KT
C2875B
U417
BA15218F
DGND1
C419
0.01
C454
OPEN
DGND1
Q409
KT
C2875B
U418
BA15218F
DGND1
C426
CK0.01
U408
24.576MHz
C459
OPEN_C
0
R430
Q408
KT
C2875B
DGND1
C429
100P
47
R427
C456
OPEN_C
Q407
KT
C2875B
C449
0.1Z
OPEN
R485
C428
CK0.01
47
R426
C457
OPEN_C
R483
1.8K
C448
0.01
C420
0.1Z
C458
OPEN_C
R484
1.8K
100
R447
R433
100
C421
0.1Z
C478
CQ2200P(LP)
U415
SA5532ADR
R480
1.8K
TC7WH157FU
U413
C443
100/50(RFS#A)
47
R429
CQ2200P(LP)
C464
U415
SA5532ADR
R479
1.8K
R446
0
R437
0
R424
0
C462
CQ2200P(LP)
U416
SA5532ADR
C484
220/50(RFY)
C466
0.1Z
R431
100
TC7WH157FU
U409
C461
CQ2200P(LP)
R444
0
U416
SA5532ADR
C485
220/50(RFY)
C465
0.01
C489 1000P
R436
0
R423
0
CQ2200P(LP)
C463
100
R443
R455
82
KR
C102S
Q404
C491 0.1Z
C438
OPEN_C
U407
22.5792M
C471
CQ5600P(LP)
R454
82
10K
R435
R474 1M
C490
0.01
R439
0
47
R428
C473
CQ5600P(LP)
R453
82
1M
R411
GND-TERMINAL
B401
C444
100/50(RFS#A)
R416
33
R452
82
TC7WHU04FU
U403
GND-TERMINAL
B402
C431
100P
R415
33
C467 CQ
0.018(100V)
TC7WH157FU
U411
R457
82
C411
0.1Z
C424
CK0.1
C468 CQ
0.018(100V)
R459
82
C412
0.01
C439
OPEN_C
C481
CK0.01
C472
CQ5600P(LP)
R458
82
C410
1000P
R434
47
KRA102S
Q405
C474
CQ5600P(LP)
R456
82
1.5K
R413
R468
680
C425
CK0.01
KR
C102S
Q406
C470 CQ
0.027(100V)
1M
R410
R469
680
IN
OUT
NJM7912FA
U402
OPENC406
470/50
C407
OPENC404
OPENC405
OPENC403
IN
OUT
NJM7812FA
U401
OPEN
D402
470/50
C408
OPEN
D401
DIG_L
DAC_GND
DIG_R
KTC4370A
Q402
KTA1659A
Q401
22KR401
10K
R403
22KR402
10K
R404
22K
R405
KSA992FTA
Q403
AC2_RL
J402
OPEN
J401
OPEN
J403
OPEN
J404
OPEN
18P-FFC
N1811
18P-FFC
N1821
+16V_A
-16V_A
U418
BA15218F
100
R486
1000P
C496
100P
C495
0.01Z
C497
100P
C492
0.01Z
C494
1000P
C493
100P
C422
0.01Z
C434
1000P
C423
C433 OPEN
4P-PH
N461
4P-EH(IM)
N451
DGND1
1000P
C2001
1000P
C2002
100P
C2003
OPENC2004
7
8
6
5
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
1
4
2
3
7
4
6
5
1
2
3
4
1
8
2
3
1
2
3
4
5
6
7
8
7
4
6
5
1
8
2
3
1
2
3
4
5
6
7
8
7
4
6
5
1
2
3
4
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
OUTPUT
OUTPUT
OUTPUT
INPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
INPUT
INPUT
1
8
2
3
1
2
3
4
1
2
3
4
A_MUTE
DAC_MOSI
DAC_M
CK_FS_CO
NT
LRCK/DSDR.
PCML.
PCMR.
DAC_RST
LRCK/DSDR.
DSDL.
DAC_CLK
DAC_RST
MODE_PCM/DSD
PCMR.
DAC_CS
PCML.
MCLK2.
DB
CK.
DAC_MOSI
PBCK.
DSDL.
INT/EXT
MODE_PCM/DSD
DBCK.
PBCK.
A_MUTE
DAC_CLK
INT/EX
T
DAC_CS
DAC_MCK_FS_CONT
MCL
K2.
A
AGND3R
GND
[2/2]
MCK
44.1/48k
Switch
IOUTL+
DSDR
MC
DBCK
VCOMR
Y
R+
AGND3L
IREF
IOUTR+
R-
VC
PCMR
VCC2L
Y
INT/EXT
Switch
[2/2]
[2/2]
+5V
A
B
GND
RST
A
GND
B
[1/2]
3Y
Y
PCM/DSD
Switch
[1/2]
2A
Lo:A
出力
Hi:B
出力
VC
L-
3A
ST
SEL
AGND1
2Y
GND
ST
[2/2]
1Y
OUT
PBCK
1A
VDD
VCC2R
Vcc
Y
[1/2]
from
DIGIT
AL
UNIT
8U-310206 N202
GND
Y
VCOML
from
DIGIT
AL
UNIT
8U-310206 N203
Ref 401
~
GND
[1/2]
SEL
ST
VCC1
IOUTR-
+12V
Y
DSDL
LRCK/
+12V
B
ST
AGND2
SCK/
-12V
-12V
VC
SEL
VDD
MS
SEL
IOUTL-
MDO
ST
L+
PCML
VDD
DGND
OUT
MDI
+17V
-17V
-17V_A
+17V_A
DAC GND
DAC GND
新設
From
Digital Power
8U-110209
From
Digital
8U-310219
新設
DGND
+3.3V_X'tal
+3.3V_X'tal
DGND
0A
N451
N461
N1811
N1821
13
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating