Accuphase DP67 Schematic
DP-67 DAC ASS'Y (725-0042-00)
+3.3V
IC2A TC74VHC14F/EL
310-8251-00
F2
UPC29L33J
IC18
IGO
F3
F4
C52
104
1 2
VCC
12
F1
AC1
AC2
AC3
AC4
AC5
LN1VB60
D10
308-1510-00
K1
1
RXDATA
2
LRCK
3
GND
4
2FS/1FS
5
INT0
6
INT1
7
CDAT
8
CLAT
9
CCLK
10
/RST
11
/AMUTE
12
+7V
13
+7VGND
14
+5V
15
GND
-
1
6
-
308-0709-00
K2
1
6VAC
2
6VAC
3
K4
K3
C51
104
AC1
4
AC2
5
AC3
AC4
6
AC5
7
310-8102-00
1
2
1 2
3
4
5
C13
104
310-8251-00
1
1 2
2
3
1 2
310-8251-00
VCC
19VAC
19VAC
1.3VAC
1.3VCT
1.3VAC
308-0508-00
19VAC
19VAC
1.3VAC
1.3VCT
1.3VAC
308-0304-00
AC7V
GND
AC7V
To POWER TRANSFORMER To POWER TRANSFORMER To DISPLAY ASSY To LOGIC ASSY
R81
101
C82
/1A
471
474
C85
R84
101
RA1 RD92AK07C_25473
D7
D8
MA165
+3.3VVCC
C45
103
R80
1802F
MA165
D11
D3SBA20
C14
101
/1E
C53
392
/1C
C54
392
/1C
R86
221
C55
682
/1A
AK4114VQ
IC1
37
38
39
40
41
42
43
44
45
46
47
48
R85 102
R82 102
R83 102
R87
222
For IC001(uPC2405AHF)
R4
102
R8
102
R33
102
R37
102
33
29
31
35
36
30
XTI
XTO
PDN
CM032CM1
INT0
CKS134CKS0
INT1
AVDD
R
VCOM
AVSS
RX0
AVSS
RX1
TST1
RX2
AVSS
RX3
IPS01AVSS2DIF03TST24DIF15AVSS6DIF27IPS18P/SN9XTL010XTL111VIN
IC2C TC74VHC14F/EL
5 6
IC2E TC74VHC14F/EL
11 10
VCC 1 2
D9
MA165
C86
100
/1E
K5
307-0317-00
123
C50
104
2SC3421_ -Y
C21
561 /1E
561 /1E
C22
2SA1358_ -Y
2SC3421_ -Y
C23
561 /1E
561 /1E
C24
2SA1358_ -Y
Q1
R3
101
101
R6
Q3
Q2
R32
101
101
R35
Q4
VCC
C88
101
/1E
50mA->
50mA->
R88
105
11 10
IC3E
TC74VHC14F/EL
+8VL
C25
100
/2C
C26
100
/2C
25mA<-
-8VL
+8VR
C27
100
/2C
C28
100
/2C
25mA<-
-8VR
28
25
26
27
SDO
BICK
MCK2
DAUX
LRCK
MCK1
DVSS
DVDD
VOUT
UOUT
COUT
BOUT
TX1
TX0
DVSS
TVDD
12
TC74VHC14F/EL
IC2B
IC2D TC74VHC14F/EL
9 8
IC2F TC74VHC14F/EL
13 12
IC3A
TC74VHC14F/EL
IC3C
5 6
TC74VHC14F/EL
C87
104
VCC
13 12
C48
104
C49
104
+3.3V
24
23
C84
22
103
21
20
19
18
17
16
15
14
13
VCC
+3.3V
34
IC3B
3 4
TC74VHC14F/EL
IC3D
9 8
TC74VHC14F/EL
103
R31
X1
RN1204
IC3F TC74VHC14F/EL
IC19
S-80845CLY
VCC
IGO
NJM78M05FA
IC4
IGO
NJM78M05FA
IC5
IGO
C83
103
/RST
<- 84mA
Q5
2SC3113_
+5V1
90mA->
C46
101
/1H
+5V2
90mA->
C47
101
/1H
/DRST
MUTE
BCK
SDAT
LRCK
MCK
-B
CDAT
CLAT
CCLK
MCK
C38
474
LRCK
BCK
SDAT
MCK
C40
474
LRCK
BCK
SDAT
MCK
C42
474
LRCK
BCK
SDAT
MCK
C44
474
LRCK
BCK
SDAT
27
DGND28MCLK
LRCK2DVDD1BCK3SDAT4EFRD5DSSK6DSLD7DSRD8DSPH9AGND10OR+11OR-12FIL13IREF
VCC
27
DGND28MCLK
LRCK2DVDD1BCK3SDAT4EFRD5DSSK6DSLD7DSRD8DSPH9AGND10OR+11OR-12FIL13IREF
VCC
27
DGND28MCLK
LRCK2DVDD1BCK3SDAT4EFRD5DSSK6DSLD7DSRD8DSPH9AGND10OR+11OR-12FIL13IREF
VCC
27
DGND28MCLK
LRCK2DVDD1BCK3SDAT4EFRD5DSSK6DSLD7DSRD8DSPH9AGND10OR+11OR-12FIL13IREF
VCC
CCLK
26
CCLK
CCLK
26
CCLK
CCLK
26
CCLK
CCLK
26
CCLK
CLAT
25
CLAT
25
CLAT
25
CLAT
25
CDAT
/DRST
MUTE
23
22
24
/RST
CLAT
CDAT
IC6
AD1955ARS
CDAT
/DRST
MUTE
23
22
24
/RST
CLAT
CDAT
IC7
AD1955ARS
CDAT
/DRST
MUTE
23
22
24
/RST
CLAT
CDAT
IC8
AD1955ARS
CDAT
/DRST
MUTE
23
22
24
/RST
CLAT
CDAT
IC9
AD1955ARS
21
MUTE
21
MUTE
21
MUTE
21
MUTE
19
20
ZROL
ZROR
C29 100
100
/1E
19
20
ZROL
ZROR
C31 100 /1E
100
/1E
19
20
ZROL
ZROR
C33 100
100
/1E
19
20
ZROL
ZROR
C35
100 /1E
100
C30
18
AGND
/1E
C32
18
AGND
C34
18
AGND
/1E
C36
18
AGND
OL+
OL+
OL+
OL+
/1E
17
17
17
17
16
OL-
16
OL-
16
OL-
16
OL-
C37 474
15
FILB
AVDD
14
C39 474
15
FILB
AVDD
14
C41 474
15
FILB
AVDD
14
C43 474
15
FILB
AVDD
14
+5V1
C74
101
101
C75
R66
2491F
R70 331
+5V1
C76
101
101
C77
R67
2491F
+5V2
C78
101
101
C79
R68
2491F
R79 331
+5V2
C80
101
101
C81
R69
2491F
2.4Vdc ->2.4Vdc ->
+5V1
+5V2
+5V1
+5V2
+5V1
+5V2
+5V1
+5V2
R71
301
2
3
R72
301
2
3
R73
301
6
5
R74
301
6
5
R75
301
2
3
R76
301
2
3
R77
301
6
5
R78
301
6
5
+8VL
84
IC10A
NJM5532D-D
-8VL
+8VL
84
IC11A
NJM5532D-D
-8VL
IC10B
NJM5532D-D
IC11B
NJM5532D-D
+8VR
84
IC14A
NJM5532D-D
-8VR
+8VR
84
IC15A
NJM5532D-D
-8VR
IC14B
NJM5532D-D
IC15B
NJM5532D-D
8060F
R40
1
8060F
R46
1
7
7
8060F
R54
1
8060F
R60
1
7
7
C3
272
R41
3921F
C4
272
R47
3921F
R48
8060F
C5
272
R49
3921F
R51
8060F
C6
272
R50
3921F
C9
272
R55
3921F
C10
272
R61
3921F
R62
8060F
C11
272
R63
3921F
R65
8060F
C12
272
R64
3921F
IC12B
6
+8VL
IC12A
-8VL
IC13A
NJM2114D
IC13B
NJM2114D
+8VR
IC16A
-8VR
IC17A
NJM2114D
IC17B
NJM2114D
5
1
R11
C60
470
151
/0J
C70
221
1
R15
C61
470
151
/0J
C94
104
7
R17
C62
470
151
/0J
6
5
1
R23
C63
470
151
/0J
C72
221
1
R27
C64
470
151
/0J
C96
104
7
R29
C65
470
151
/0J
R38
C2
1001F
681
R9
152
R10
152
3921F
R43
R44
2001F
2001F
R21
152
R22
152
3921F
R57
R58
2001F
2001F
84
2
3
NJM4580D-D
C1
681
2001F
R42
+8VL
84
2
3
-8VL
6
5
R18
101
R45
C8
681
84
2
3
NJM4580D-D
C7
681
2001F
R56
+8VR
84
2
3
-8VR
6
5
R30
101
R59
C17
472
C18
472
R39
1001F
C71
221
R52
1001F
C19
472
C20
472
R53
1001F
C73
221
7
NJM4580D-D
C91
104
R2
103
RELAY1
362-0202-00
C93
104
R14
103
RELAY2
362-0202-00
R16
103
IC16B
7
NJM4580D-D
C92
104
R20
103
C95
104
R26
103
RELAY3
362-0202-00
R28
103
Lch
302-0116-00
222
R1
VCC
12345
C66
471
987
6
10
R19
222
222
R12
VCC
12345
C67
471
D6
987
6
10
MA165
R13
222
222
R24
6
R25
222
C89
471
VCC
12345
C69
471
D1
MA165
987
10
C90
471
1A
3
302-0116-00
1A
C68
471
3
JK1
1G2G3G
2
1
1G
JK2
1G2G3G
2
1
1G
UNBAL.
OUTPUT
301-8003-00
JK3
Lch
BAL.
OUTPUT
Rch
UNBAL.
OUTPUT
301-8003-00
JK4
Rch
BAL.
OUTPUT
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