SCHEMATIC DIAGRAMS (05/9)
SCH05_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
DSD SIGNAL STBY POWERRch SIGNAL Lch SIGNAL SPDIF PCM SIGNAL
C437
0.01
LP
C426
CK0.01
C429
100P
C428
CK0.01
C434
CK0.01
R433
100
C443
100/50(RFS#A)
R437
0
R431
100
R436
0
C438
OPEN_C
R439
0
C444
100/50(RFS#A)
C431
100P
C424
CK0.1
C439
OPEN_C
R434
47
C425
CK0.01
C442
0.01
LP
R442
0
C430
100P
CK0.1
C441
C427
CK0.1
R432
100
R441
0
IN
OUT
U412
BA033T
CK0.1
C433
C451
0.01
R438
10K
R440
0
U410
PCM1795DBR
123456789
10
11
12
13
14
15 16
17 18 19
20 21
22 23 24
25
26
27
28
C436
10/50(RFS#A)
A_GND2
0
R430
U415
SA5532ADR
1
8
2
3
U415
SA5532ADR
7
4
6
5
U416
SA5532ADR
1
8
2
3
U416
SA5532ADR
7
4
6
5
R455
82
R454
82
R453
82
R452
82
R457
82
R459
82
R458
82
R456
82
R465
82
R464
82
R463
82
R462
82
R466
180
R467
180
R451
820
R448
820
R450
820
R449
820
R460
180
R461
180
R468
820
R469
820
R471
100K
R470
100K
R472
2.2K
R473
2.2K
R478
100
R477
100
R475
100K
R476
100K
C455
CQ0.01(LP)
C482
CQ0.01(LP)
C453
CQ0.01(LP)
C483
CQ0.01(LP)
C452
CQ0.01(LP)
C454
CQ0.01(LP)
C459
47P
C456
47P
C457
47P
C458
47P
CQ2200P(LP)
C464
C462
CQ2200P(LP)
C461
CQ2200P(LP)
CQ2200P(LP)
C463
C478
CQ2200P(LP)
C477
CQ2200P(LP)
C467
CQ0.018(100V)
C468
CQ0.018(100V)
C469
CQ0.027(100V)
C470
CQ0.027(100V)
C474
CQ5600P(LP)
C472
CQ5600P(LP)
C471
CQ5600P(LP)
C473
CQ5600P(LP)
C480
CQ270P(LP)
C479
CQ270P(LP)
C475
CQ0.01(LP)
C476
CQ0.01(LP)
47/50
C445
R445
10K
R481
100
R482
100
Q409
KTC2875B
Q408
KTC2875B
Q407
KTC2875B
Q406
KTC2875B
R483
1.8K
R484
1.8K
R480
1.8K
R479
1.8K
C485
220/50(RFY)
C484
220/50(RFY)
U418
BA15218F
7
4
6
5
U417
BA15218F
1
4
2
3
U418
BA15218F
1
8
2
3
U417
BA15218F
7
8
6
5
C422
220/50
C423
220/50
IN
OUT
U414
NJM7805FA
C450
220/50
KRC102S
Q404
KRA102S
Q405
C481
CK0.01
+3.3VD
R415
33
R416
33
47
R428
U407
22.5792M
1
2 3
4
R423
0
TC7WH157FU
U409
1
2
3
4 5
6
7
8
R424
0
47
R429
C421
0.1Z
C420
0.1Z
47
R426
47
R427
U408
24.576MHz
1
2 3
4
C419
0.01
C418
0.01
C417
220/50
C416
0.1Z
C415
0.01
+3.3VD
A_GND2
C435
0.1Z
C432
0.01
TC7WH157FU
U411
1
2
3
4 5
6
7
8
47
R443
R444
0
C449
0.1Z
C448
0.01
47
R447
TC7WH157FU
U413
1
2
3
4 5
6
7
8
R446
0
C466
0.1Z
C465
0.01
KRC102S
Q403
10K
R435
1M
R411
TC7WHU04FU
U401
1
2
3
4 5
6
7
8
C408
0.1Z
C409
0.01
C402
1000P
1.5K
R413
1M
R410
C401
1000P
1.5K
R412
A_GND
C460
100/50
T125MD019T202BY
N401
1
GND_D
2
A_MUTE
3
GND_D
4
+3.3VD
5
GND_D
6
MCLK_24.576MHz
7
GND_D
8
MCLK22.5792MHz
9
GND_D
10
PCM_DATA_L
11
GND_D
12
PCM_DATA_R
13
GND_D
14
WCK/DSD_R
15
GND_D
16
DSD_DATA_L
17
GND_D
18
PBCK
19
GND_D
T125MD019T202BY
N402
1
DAC_MS
2
DAC_MCODI
3
DAC_MC
4
DAC_RST
5
MODE
6
DAC_MCK_FS_CONT
7
GND_D
8
MCLK2
9
GND_D
10
INT/EXT
11
GND_D
12
DBCK
13
GND_D
14
+12VA
15
+12VA
16
A_GND
17
A_GND
18
-12VA
19
-12VA
R422
33
R417
33
R418
33
R419
33
R421
33
R420
33
R414
33
A_GND2
A_GND2
A_GND2
OPEN
R485
+3.3VD
GND-TERMINAL
B404
C497
0.1Z
C496
0.01
C495
1000P
C489
1000P
C491
0.1Z
C490
0.01
GND-TERMINAL
B401
GND-TERMINAL
B402
GND-TERMINAL
B403
C492
OPEN
C494
OPEN
C493
OPEN
C488
0.1Z
C486
1000P
C487
0.01
C440
220/50
CK0.1
C446
C447
220/50
R474
1M
3P-PH
N403
1
DIG_L
2
A_GND
3
DIG_R
DAC_CLK
DAC_MOSI
DAC_RST
DAC_CS
LRCK/DSDR.
PBCK.
PCMR.
PCML.
DSDL.
DAC_MOSI
DAC_RST
DAC_CLK
DAC_CS
A_MUTE
A_MUTE
DAC_MCK_FS_CONT
DAC_MCK_FS_CONT
MCLK2.
INT/EXT
MODE_PCM/DSD
MODE_PCM/DSD
INT/EXT
DBCK.
PBCK.
DSDL.
LRCK/DSDR.
PCMR.
PCML.
MCLK2.
DBCK.
PBCK
AGND2
IREF
VCOMR
MDI
[2/2]
DSDL
R-
[2/2]
IOUTR-
MC
RST
L+
MDO
R+
MS
SCK/
LRCK/
IOUTL+
[2/2]
SEL
AGND3R
VCOML
[1/2]
VCC2L
PCML
[1/2]
[1/2]
[1/2]
L-
AGND1
VDD
IOUTL-
VCC2R
DGND
VCC1
[2/2]
PCMR
IOUTR+
AGND3L
DBCK
DSDR
MCK
44.1/48k
Switch
GND OUT
VDD
ST
SEL
VC
B
Y
ST
GND
Y
VDD
OUTGND
ST
Lo:A�韍
Hi:B�韍
Y
GND
B
INT/EXT
Switch
VC
SEL
ST
Y
A
Y
GND
B
PCM/DSD
Switch
VC
SEL
ST
Y
A
A
3Y
2A 3A
2Y
1Y
1A
Vcc
GND
to INPUT UNIT
8U-110205-1
N3002
W0004
8U-210215
DAC UNIT
from DIGITAL UNIT
8U-310206
N202
from DIGITAL UNIT
8U-310206
N203
+12V
+12V
-12V
-12V
+5V
N401
TO N202
N402
TO N203
N403
TO N3002
55
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A
B
C
D
E
F
G
H
J
K
L
M
A
B
C
D
E
F
G
H
J
K
L
M
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
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