Tascama DA-78HR Schematics
21 3 4 5 6 7
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A
C
D
E
» SCHEMATIC DIAGRAM DA-78HR HR-MAIN PCB (2/14)
Digital Multitrack Recorder
DA-78HR
（Page3/23）
2 nd Issue; July 2000
U1010B
N.C
HIF_S
HIF_DT
HIF_CK
PB-SD2
PB-SD1
CS1
CS0
CSAES
CS_ENC
CS_DEC
3)
FS_DIV
3)
BCK2
4
5
1)
1)
3)
3)
ADR7
140
PF2
GND0
138
139
PF0
PF1
3.072MHZ
614.4KHZ
U1020C 74VHC04A
RDY_DSP
133
134
135
136
137
LEV
8251
VCC1
GND1
GND0
FRET
SIGREF
VRET
VCC1
GND1
R1052 47
R1053 47
R1054 47
7)
MPX
6),7)
BCK
LRCKE
FSYNC-RE
FSYNC-PE
5 6
129
130
131
132
CS0
CS1
CS2
WOFF
SLV*
GND0
R1055 100
8)
8)
8)
128
SEG
DPRAM
SERVO
TRREF
R1056 100
2
3
4
5
6
7
8
9
1
19
127
RAM
GND0
VCC0
VCC0
GND0
GND0
GND0
VCC0
GND0
F-SYNC-R
F-SYNC-P
ATF
84
DIGITAL5V
R1057 100
A1
A2
A3
A4
A5
A6
A7
A8
G1
G2
U1038
74VHC541
U1024A
1
2
U1024B
4
5
DIGITAL5V
126
PC7
125
PC6
124
PC5
123
PC4
122
PC3
121
PC2
120
119
118
PC1
117
PC0
116
PB7
115
PB6
114
PB5
113
PB4
112
PB3
111
PB2
110
PB1
109
PB0
108
PA7
107
PA6
106
PA5
105
PA4
104
103
102
PA3
101
PA2
100
PA1
99
PA0
98
PD7
97
PD6
96
95
PD5
94
PD4
93
PD3
92
91
90
PD2
89
PD1
88
PD0
87
86
85
ATFRET
TRREF
SVRET
VRET
SIGREF
FRET
18
Y1
17
Y2
16
Y3
15
Y4
14
Y5
13
Y6
12
Y7
11
Y8
74HC32
RST_EXT
RST_DSP
MUTE_AER3
MUTE_AER2
MUTE_AER1
MUTE_AER0
3)
4)
4)
4)
1)
1), 4)
4)
LRCK1
LRCK3
256FS3
256FS6
256FS7
512FS1
FS2
3
74HC32
6
PUNCH
REF_LVL1
REF_LVL0
AMUTE
FS_1_OUT
FS_0_OUT
EMP_OUT
CONFI
TCSEL
PMUTE
MST:L
SPD_MUTE
H-CLEAN*
CS_SV
SPD_RX/TX
PLLSRCO
8.82M_ON
9.6M_ON
EN_HR
9)
SEARCH
E
TAPE_M
RMT_REC_LED
FSYNC-R
FSYNC-P
1)
3)
3)
6)
7)
1)
MAD1*
MAD2*
MAD3*
MAD4*
LRCK*
BCLK*
SOUT*
SRCK*
LD*
9)
N.C
N.C
7)
6),8)
6), 8)
6), 8)
N.C
9)
7)
8)
6)
7)
7)
6)
N.C
N.C
N.C
MUTE_AER[0..3]
1)
1), 3), 7)
DMUTE
LRCK
LRCK2
1)
1)
1)
3)
3)
P1003
1
2
3
4
5
6
7
8
9
10
B10B-PH
5)
5)
9)
FS_0_IN
165
TESTA
TESTB
D6
R1042
164
TVEC0
D7
1)
163
TVEC1
DMUTE
162
GND0
VCC0
160
161
VCC0
TVEC2
GND0
F-SYNC-PE
8)
FS_1_IN
8)
EMP_IN
8)
TP63
X512FS
157
158
159
GND0
VX512
TVEC3
F-SYNC-RE
LRCKE
RCK
156
TVEC4
REN
155
R1043
154
TVEC6
TVEC5
SOUT*
GND0
153
TVEC7
MAD1*
151
152
TVEC8
U1015
CLK_REF
MAD2*
150
TVEC9
TVEC10
MAD3*
MAD4*
148
149
TVEC11
LRCK*
147
GND0
X512FS
BCLK*
GNDO
146
145
VCC0
VCC0
R1113 22
144
PF7
512FS
R1048 22
143
PF6
256FS
R1049 47
142
PF5
BCLK
R1050 47
141
PF4
LRCK
R1051 47
PF3
MPX
R1041
0
6)
6)
SPD_TYPE
EWORD
9)
SWORD
8)
AWORD
1)
1)
SYS_RST
DOUT0
DOUT1
DOUT2
DOUT3
ADR3
ADR4
ADR5
ADR6
ADR7
ADR13
ADR14
ADR15
IOXWR
6)
6)
R1044
100
DIGITAL5V
D0
D1
D2
IOXRD
SPD_COPY
GND
U1020A
1
2 3
1)
CSEIO
1)
RD
DIGITAL5V
U1019
NC
GND Y
8)
9)
4)
4)
4)
4)
49.152MHz
2
3
E-FSYNC
EZREMO
18.816MHz
12.608MHz
74VHC04A
4
VCC
U1036A
41
D
Q
PRCL
CLK
Q
U1018
1
NC
VCC
2 3
GND Y
22.5792MHz
U1020B
3 4
74VHC04A
F512FS
V512FS
DIGITAL5V
1)
IOXRD
1 2
DIGITAL5V
5
6
74VHC74
VCC
VDD
4
ADR7
DIGITAL5V
49.152MHz
SPD_CT0
SPD_CT1
TP62
VX512
DIGITAL5V
R1046 100
R1045 100
166
167
168
TEN
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
34
35
36
37
38
39
40
41
42
TLOAD
EWORD
SWORD
AUXWORD
W
T
RESET
VCC1
GND1
24.576MHZ
22.5792MHZ
E-FSYNC-P
SRCK*
LD*
EZREMO
AUDIO1
AUDIO2
AUDIO3
AUDIO4
A3
A4
A5
A6
A7
A13
A14
A15
A16
RD
WR
18.816MHZ
GND0
F512FS
GND0
12.6MHZ
VCC1
GND1
V512FS
GND0
VLRCK
D0
D1
D2
D3D4D5D6D7
4344454647484950515253545556575859606162636465666768697071727374757677787980818283
D3
D5
D4
TP80
GND
U1036B
1013
12
11
1)
ADR[0..19]
1)
D[0..15]
D
PRCL
CLK
R1114 10K
R1115 10K
1)
IOXWR
9
Q
8
Q
74VHC74
R1047 100
VLRCK
1), 4)
RCK
REN
REN
RCK
9)
9)
74VHCT00A
N.C
DIN[0..3]
7)
IOXDIN[0..3]
1)
1)
GRLRCK
6
CS_IOX
R1058 22
IOXDIN0
IOXDIN1
IOXDIN2
IOXDIN3
R1059 22
LRCK
RST_EXT
U1009F
13 12
74VHCU04A
U1024C
9
10
74HC32
1)
SYS_RST
R1062 22
TP83
PAD
R1065 22
R1060
22
TP82
PAD
TP84
PAD
R1067 22
R1068 10K
R1072 22
TP85
LRCK2
9 8
DIGITAL5V
1)
DIN0
DIN1
DIN2
DIN3
3), 7)
8
R1061
22
TP81
PAD
R1063 10K
R1066 22
RDY_DSP
TP86
DSP_TRG
3)
U1020D
74VHC04A
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
DIGITAL5V
DEMP1
7)
DOUT3
TDOUT0
TDOUT2
DOUT2
TDOUT1
DOUT1
TDOUT3
131
132
133
134
135
136
VCC
GND
11-12DO
13-14DO
1
2
3
4
5
6
7
8
9
TP87
PAD
GND
GND
1-2DI
3-4DI
5-6DI
7-8DI
GRALRCKI
GND
9-10DI
11-12DI
13-14DI
15-16DI
GRBLRCKI
GND
GND
VCCI
GNDI
GND
GND
GND
CLK
GND
GND
GND
GND
GND
SLRCKIN
GND
GND
GND
GND
GND
GND
GND
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
15-16DO
GRBLRCKO
GND
GND
MUTE
MRST*
CS*
RD*
353637383940414243444546474849505152535455565758596061626364656667
CS_IOX
IOXRD
IOXWR
DIGITAL5V
VSS
ARLR2
ARLR1
DIV512
TDO
EMU1
EMU0
DRDY*
LMV*
LAV*
DIV8
AXLR1
AXBC2
AXBC1
VDD
VSS
HBCKS
CS*
HXS
HXBCK
HRS
HR
HRBCK
AR2
AR1
AXLR2
EMPTY*
HX
VDD
VSS
DIGITAL5V
R1073 22
R1074 22
R1076 22
DOUT0
118
119
120
121
122
123
124
125
126
127
128
129
130
VCC
VCC
3-4DO
5-6DO
7-8DO
GRALRCKO
1-2DO
GND
VCC0
GND0
S-LRCK-0
GND
9-10DO
U1016
IOX-NEW
WR*A0A1
VCC
GNDD0D1D2D3
VCCI
GNDID4D5D6D7
ADR0
ADR1
D2
D3
D0
D1
D5
D4
IOE
RAS
HDIR
AX2
TRST
MUTE*
SEL5V3V
ARBC1
ARBC2
AX1
RS*
IOE*
U1017
TMS57070
INT2*
INT3*
CAS
RAS*
INT1*
CAS*
BIO*
VSS
TEST3
VDD
TEST2
EA0
WE*
TEST1
EA0
TEST0
RST_DSP
81828384858687888990919293949596979899
VDD
AX3
50
R1075 22
117
D6
EA1
R1150 47
ED15
116
TEST7
D7
EA2
EA1
ED15
R1141 47
ED14
115
TEST6
EA3
EA2
ED14
R1140 47
ED13
114
TEST5
GND
EA3
ED13
R1139 47
ED12
512FS
113
TEST3
TEST4
PRD*
PWR*
VSS
VDD
VDD
ED12
REC_SD1
REC_SD2
111
112
TEST1
TEST2
PCS1*
PCS2
WE
EA4
EA5
100
EA4/ED16
EA5/ED17
ED11
VSS
31323334353637383940414243444546474849
R1138 47
109
110
GND
TEST0
GND
PA0
EA10/ED22
EA11/ED23
ED11
R1077 22
106
107
108
VCC
T_MODE3
PA1
PA2
EA6/ED18
EA7/ED19
EA8/ED20
EA9/ED21
CLKM0
CLKM1
CLKIN
CLKO
3)
3)
104
105
T_MODE1
T_MODE2
PA3
VCC
DIGITAL5V
IOXCLK
VSS
VDD
TMS
TDI
TCK
VSS
VDD
ED0
ED1
ED2
ED3
VSS
VDD
ED4
ED5
ED6
ED7
ED8
ED9
ED10
103
GND
T_MODE0
GND
PD0
68
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
VCC
PD23
PD22
PD21
PD20
GND
VCC
PD19
PD18
PD17
PD16
GND
VCC
PD15
PD14
PD13
PD12
GND0
VCC0
PD11
PD10
GND
VCC
GND
PD9
PD8
PD7
PD6
PD5
PD4
VCC
PD3
PD2
PD1
EA6
EA7
EA8
EA9
EA10
EA11
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
DIGITAL5V
R1142 47
R1143 47
R1144 47
R1145 47
R1146 47
R1147 47
R1148 47
R1149 47
DIGITAL5V
R1127 47
R1128 47
R1129 47
R1130 47
R1131 47
R1132 47
R1133 47
R1134 47
R1135 47
R1136 47
R1137 47
TP61
GND
ED15
ED14
ED13
ED12
ED11
ED10
ED9
ED8 ED5
ED7
ED6
ED5
ED4
ED3
ED2
ED1
ED0
ED0
ED1
ED2
ED3
ED4
ED5
ED6
ED7
ED8
ED9
ED10
EA11
EA10
EA9
EA8
EA7
EA6
EA5
EA4
EA3
ED[0..15]
TDOUT[0..3]
DOUT[0..3]
EA[0..11]
C2018
0.1u
ED0
ED1
ED2
ED3
ED4
ED6
ED7
ED8
ED9
ED10
ED11
ED12
ED13
ED14
ED15
EA0
EA1
EA2
EA3
C2019
0.1u
8), 6)
7)
EA3
EA2
EA1
EA0
EA3
ED0
ED1
ED2
ED3
ED4
ED5
ED6
ED7
C2020
0.1u
TD_LRCKO
U1022
15
QA
1
QB
2
QC
3
QD
4
QE
5
QF
6
QG
7
QH
9
QH
74HC595A
U1023
15
QA
1
QB
2
QC
3
QD
4
QE
5
QF
6
QG
7
QH
9
QH
74HC595A
DIGITAL5V
U1024D
12
13
74HC32
3)
DIGITAL5V
U1021
1
VDD
2
DQ0
3
DQ1
4
DQ2
5
DQ3
6
VDD
7
DQ4
8
DQ5
9
DQ6
10
DQ7
11
N.C
15
N.C
16
N.C
17
WE
18
RAS
19
N.C
20
N.C
21
A0
22
A1
23
A2
24
A3
25 26
VDD VSS
T2316162A-45S
C2021
C2022
0.1u
0.1u
8)
SER
SRCLK
SRCLR
RCLK
SER
SRCLK
SRCLR
RCLK
C2102
10u
FS2
C2023
0.1u
DIGITAL5V
14
11
10
12
13
G
14
11
10
12
13
G
11
50
VSS
49
DQ15
48
DQ14
47
DQ13
46
DQ12
45
VSS
44
DQ11
43
DQ10
42
DQ9
41
DQ8
40
N.C
36
N.C
35
CASL
34
CASH
33
OE
32
A9
31
A8
30
A7
29
A6
28
A5
27
A4
C2024
C2036
0.1u
0.1u
VB0
VB1
VBEN
U1020E
11 10
74VHC04A
ED15
ED14
ED13
ED12
ED11
ED10
ED9
ED8
EA9
EA8
EA7
EA6
EA5
EA4
DIGITAL5V
C2015
C2016
1u
1u
3)
3)
3)
C2017
1u
21 3 4 5 6 7
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A
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» SCHEMATIC DIAGRAM DA-78HR HR-MAIN PCB (6/14)
（Page7/23）
Digital Multitrack Recorder DA-78HR
2 nd Issue; July 2000
U1403D
9 8
74VHCU04
U1403E
11 10
74VHCU04
U1403F
13 12
74VHCU04
2)
2)
2)
2)
2)
R1401
1)
RAC1608-470
1
2
3
4 5
1
2
3
4 5
R1402
RAC1608-470
R1411
47
SYS_RST
8
7
6
8
7
6
U1404E
11 10
74VHCU04A
9 8
DIGITAL5V
GND
2)
DIGITAL5V
TDOUT[0..3]
FS_1_OUT
2)
FS_0_OUT
2)
6)
1)
2)
2)
SPD_RX/TX
2)
EMP_OUT
SPLRCK
BCK
256FS6
VCC VDD
TDOUT3
13 12
SPD_MUTE
SPD_CT0
SPD_CT1
SPD_TYPE
SPD_COPY
U1404F
74VHCU04A
U1404D
74VHCU04A
2
3
4
5
6
7
8
9
1
19
U1401
A1
A2
A3
A4
A5
A6
A7
A8
G1
G2
74VHCT541
R1403
RAC1608-103
18
Y1
17
Y2
16
Y3
15
Y4
14
Y5
13
Y6
12
Y7
11
Y8
DIGITAL5V
678
123
4 5
DIGITAL5V
R1424 100K
C1411 18p
SPD_UL
R1404
1
2
3
4 5
RAC1608-470
1
TX
2
RST
3
RX1
4
NFR
5
RX2
6
RXSEL
7
PD1
8
PD2
9
ULCK
10
RXCKI
11
RXCKO
1)
8
7
6
DIGITAL5V
R1409
10K
VSS
VDD
IRQU
SETSY
IMSTRT
USYNCI
USYNCO
U1402
M51581
SDI
SCKWSSDO
ADSDI
VSS
ADSEL
1213141516171819202122
R1405 47
3435363738394041424344
LTDT
LCNT1
LCNT0
LRCKPOL
FLAGI
FLAGO
WCK
LTCK
LTEN
MODE1
MODE0
MUTE
CKACO
REFCK
CKSEL
MSTCK
MSBF
ASL
33
32
31
30
29
28
27
26
25
24
23
IIS
DIGITAL5V
R1410
0
DIGITAL5V
R1423
270
1 2
3 4
5 6
R1406 47
R1407 47
R1408 47
R1434 22
R1425
150
U1404A
74VHCU04A
U1404B
74VHCU04A
U1404C
74VHCU04A
SPD_FS0
SPD_FS1
SPD_EMP
MCK_EX
R1422
150
1)
C1408
0.01u
R1420
150
C1407
0.01u
1)
1)
1)
1 2
1 2
R1421
150
L1404
BK2125HS101
L1403
BLM21A601S
SPDIF_IN
SPDIF_OUT
SIGNAL_GND_B
C2401
0.1u
C2402
0.1u
DIGITAL5V
C2404
0.1u
C1402
R1418
C1405
18p
100K
U1403B
3 4
74VHCU04
L1402
3.9u
+9V
C1409
100u/16V
U1407
78L05
3 1
IO
G
2
C1410
10u
L1401
47u
C1401
100u/16V
C2403
0.1u
R1415
10K
R1416
1.8K
1 2
0.1u
147
U1403A
74VHCU04
C1403
R1417
1K
D1401
HVU17
C1404
2200p
5 6
C1406
220p
R1412 47
U1403C
74VHCU04
R1419
47
TP192
SPD_MCK
ASLRCK
1)
R1413 47
R1430 47
R1431 47
R1432 47
AESIN0
AESIN1
AESIN2
AESIN3
AESIN[0..3]
AESIN[0..3]
1)
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