Accuphase DP-77 Service Information

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K10
307-3204-00
-8V
+8V
D10 MA165
D5V
RA10 473J
OPTION 1
R4
102
/SLCK1 /SBCK SRDATA
R10 221
1211
13
IC10D
TC74VHC125F
G
1
A1
2
Y1
18
A2
4
Y2
16
A3
6
Y3
14
A4
8
Y4
12
IC11A
TC74VHC244F,EL
98
10
IC10C
TC74VHC125F
/OPMUTE
/OP1-EI1 /OP1-EI2
4SW 4SR 4SL
/OP1-4I
PD11
PD12
PD13
PD14
PD15
PD11 PD12 PD13 PD14 PD15
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K20
307-3204-00
-8V
+8V
D20 MA165
D5V
OPTION 2
/SLCK2 /SBCK SRDATA
R20 221
56
4
IC10B
TC74VHC125F
G
19
A1
11
Y1
9
A2
13
Y2
7
A3
15
Y3
5
A4
17
Y4
3
IC11B
TC74VHC244F,EL
23
1
IC10A
TC74VHC125F
/OPMUTE
/OP2-EI1 /OP2-EI2
/OP2-4I
PD21
PD22
PD23
PD24
PD25
PD21 PD22 PD23 PD24 PD25
12 11
13
IC30D
TC74VHC125F
/OPT
to IO ASSY, K1
D5V
/COAX
/COAX
23
1
IC20A
TC74VHC125F
5 6
4
IC20B
TC74VHC125F
4SW 4SR 4SL
D5V DGND 8VGND +8V -8V
to POWER SUPPLY ASSY, K4
D5V +8V -8V
98
10
IC20C
TC74VHC125F
1211
13
IC20D
TC74VHC125F
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q10
Q11
Q12
Q13
Q14
Q16
Q17
Q18
Q19
Q20
Q21
Q22
Q9
SDATA
SBCK
SLCK0
VCC_S
GND_S
Q15
/SBCK
/SLCK1
/SLCK2
SLCK1
SLCK2
SLCK3
SLCK4
Q23
/SLCK3
/SLCK4
M o t h e r  B o a r d  /  S I P O
(726-0144-00-1)
/OP1-4I
/OP1-EI1
/OP1-EI2
D5V
/OP2-4I
/OP2-EI1
/OP2-EI2
/EX-EI1
/EX-EI2
/EX-EO
/ESEL
/COAX
/OPT
/RESET
1 2 3 4 5 6
K1
308-0609-00
/CD
/CD
X1
RN2223
VCC
D5V
C2
330
/0J
/VCCON
C10
104
C11
104
C30
104
C31
104
C1
330
/0J
SDATA
SBCK
SLCK0
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K2
307-3001-00
/SBCK
/SLCK1
/SLCK2
SLCK1
SLCK2
/VCCON SDATA SBCK SRDATA SLCK0 SLCK1 SLCK2 /OPMUTE /RESET EIAJ-RX DGND COAX-TX D5V DGND
to DSP ASSY, K2
COAX-TX
D5V
SDATA SBCK SLCK0 SLCK1 SLCK2 /OPMUTE SRDATA /VCCON
RA20 473J
RA3 104J
RA2 104J
SAPUW SAPUR SAPUL SDATA SBCK SLCK0 SLCK1 SLCK2
4OW
4OR
4OL
4OW
4OR
4OL
/OP-EO
D5V
/RESET
D5V
D5V
VCC
D5VD5V
2 3
1
IC30A
TC74VHC125F
/OPT-EO
4SW 4SR 4SL
SACDL-TX
SACDR-TX
SACDW-TX
4OW-RX DGND 4OR-RX D5V 4OL-RX DGND SACDW-TX D5V SACDR-TX DGND SACDL-TX D5V
R3 221 R2 221 R1 221
D5VD5VD5V
4SW 4SL 4SR
SACDL-TX SACDR-TX SACDW-TX
SAPUR SAPUL
G
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A1
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Y1
18
A2
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Y2
16
A3
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Y3
14
A4
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Y4
12
IC31A
TC74VHC244F,EL
4SW 4SR 4SL
G
19
A1
11
Y1
9
A2
13
Y2
7
A3
15
Y3
5
A4
17
Y4
3
IC31B
TC74VHC244F,EL
4OW 4OL
HSL-RX
C20
104
5 6
4
IC30B
TC74VHC125F
9 8
10
IC30C
TC74VHC125F
RA1 473J
4OR
COAX-TX(s2w) GND (s2g) D5V (1) GND (s1g) COAX-DIS(s1r) COAX-RX(s2r) OPT-RX (s1w)
1 2 3 4 5 6 7
K3
308-0708-00
/OP-40
/SACD
/SACD
/OP-40
-


2
3


-
( 7 2 6 - 0 1 4 4 - 0 0 - 0 )
M O T H E R  B O A R D  A S S ' Y

Accuphase DP-77 Specifications

Optical Specifications

SACD wavelength	650 nm
CD wavelength	780 nm
Optical output wavelength	660 nm

Digital Processor Specifications

Sampling frequencies	32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz
High sampling frequencies	176.4kHz, 192kHz
Dynamic range	114 dB

Power

AC voltage	120V/230V 50/60Hz
Power consumption	24 W
Net weight	17.7 kg

Weight and Dimensions

Width	475 mm
Height	151 mm
Depth	397 mm