1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
Title
Number
Revision
Size
A2
Date:
19-Feb-2001
Sheet of
File:
E:\PRIMARE\A30-1\SCH\EM1068A.SCH Drawn By:
Clock HC595
Load HC595
SD HC595
n.c.
TAPE1
TAPE1 OUT
-15Vreg
0Vdig
-Lline
+Lline
n.c.
n.c.
+15Vreg
-15Vreg
-15Vreg
+15Vreg
+15Vreg
-20VL
+15VReg
-15VReg
-15VReg
+15Vreg
DGND
+5Vdig
n.c.
+5Vdig
1
2
3
4
5
6
7
8
9
10
11
12
13
14
P9
14 HEADER
L
R
J1
3
3
2
2
1
1
J7
XLR NC3FAH
3
3
2
2
1
1
J8
XLR NC3FAH
R103
100k
R104
100k
R105
100k
R106
100k
R24
10k
R25
10k
R26
10k
R27
10k
R28
10k
R29
10k
R30
10k
R31
10k
R32
10k
R33
10k
R34
10k
R35
10k
R36
10k
R37
10k
R38
10k
R39
10k
R40
10k
R143
30K
R41
10k
R42
10k
R144
30K
R43
10k
R145
30K
C62
1U
C63
1U
C64
1U
C65
1U
C17
100N
C18
100N
C92
100p
C93
100p
C94
100p
C95
100p
C19
100N
C20
100N
C96
100p
C97
100p
C98
100p
C99
100p
C100
330p
C21
100N
C103
100p
C101
330p
C104
100p
R48
1K5
C109
10u 16V
C110
10u 16V
R49
470R
R50
470R
C111
10u 16V
C112
10u 16V
R77
4K7
R78
4K7
R204
4K7
C105
100p
C106
100p
C107
100p
C108
100p
R206
150R/3W
R146
30K
3
2
1
8
4
U5A
OPA2604
5
6
7
U5B
OPA2604
L
R
J3
TUNER
L
R
J4
CD
L
R
J5
AUX
L
R
J6
GND AC
1
OUT1
2
GND1
3
GND AC
5
GND AC
6
VSS2
7
LOGIC GND
8
CLOCK
9
LOAD/SHIFT
10
DATA IN
11
DATA OUT
12
VDD1
13
GND AC
14
VDD2
15
GND AC
16
OUT2
17
VSS1
18
GND2
19
IN2
20
IN1
4
U10
LM1972
GND AC
1
OUT1
2
GND1
3
GND AC
5
GND AC
6
VSS2
7
LOGIC GND
8
CLOCK
9
LOAD/SHIFT
10
DATA IN
11
DATA OUT
12
VDD1
13
GND AC
14
VDD2
15
GND AC
16
OUT2
17
VSS1
18
GND2
19
IN2
20
IN1
4
U11
LM1972
3
2
1
8
4
U6A
OPA2134
5
6
7
U6B
OPA2134
R130
100R
R131
100R
3
2
1
8
4
U7A
OPA2604
5
6
7
U7B
OPA2604
5
6
7
U8B
OPA2604
3
2
1
8
4
U8A
OPA2604
3
2
1
8
4
U9A
OPA2604
5
6
7
U9B
OPA2604
DATA Potm
CLOCK Potm
n.c.
L/SHIFT
CLK HC595
LOAD HC595
R51
1K5
R205
4K7
R207
150R/3W
R19
2K2
-6.5Vreg
-6.5Vreg
+6.5Vreg
-L
+L
-R
+R
SER
14
SRCLK
11
SRCLR
10
RCLK
12
E
13
O0
15
O1
1
O2
2
O3
3
O4
4
O5
5
O6
6
O7
7
Q7
9
VCC
16
GND
8
U12
74HC595
SER
14
SRCLK
11
SRCLR
10
RCLK
12
E
13
O0
15
O1
1
O2
2
O3
3
O4
4
O5
5
O6
6
O7
7
Q7
9
VCC
16
GND
8
U13
74HC595
CLK HC595
+5Vdig
LOAD HC595
0Vdig
BAL1_ON
AUX_ON
Vin
1
GND
2
Vout
3
REG9 LM337T
-15Vreg
Vin
1
GND
2
Vout
3
REG4 LM317T
R115
68R/2W
R116
68R/2W
+6.5Vreg
R210
430R
R211
430R
R212
1K8
R213
1K8
Vin
1
GND
2
Vout
3
REG10 LM337T
-6.5Vreg
Vin
1
GND
2
Vout
3
REG5
LM317T
R133
68R/2W
R134
68R/2W
-20VR
+20VR
+6.5Vreg
-6.5Vreg
-6.5Vreg
SD HC595
+15Vreg
C113
10u 16V
C114
10u 16V
C115
10u 16V
C116
10u 16V
C66
470n
C67
470n
C68
470n
C69
470n
C70
470n
C71
470n
D37
PMLL4148
D23
PMLL4148
0Vdig
+5Vdig
C117
10u 16V
C118
10u 16V
CD_ON
TUNER_ON
TAPE1_ON
TAPE1OUT_ON
BAL2_ON
R181 1K
R182 1K
R183 1K
C102
330p
0Vdig
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K3
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K4
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K5
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K6
T1
BC846B
R216
100k
T9
BC856B
R192
10k
D24
PMLL4148
3
3
2
2
1
1
J9
XLR NC3FAH
3
3
2
2
1
1
J10
XLR NC3FAH
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K7
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K8
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K9
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K10
RELAY DPDT3
L-BAL2
R-BAL2
L-BAL1
R-BAL1
+20VL
-20VL
TAPE1_ON
+5Vdig
T2
BC846B
R217
100k
T10
BC856B
R193
10k
D25
PMLL4148
-20VL
TUNER_ON
T3
BC846B
R218
100k
T11
BC856B
R194
10k
D26
PMLL4148
-20VL
CD_ON
T4
BC846B
R219
100k
T12
BC856B
R195
10k
D27
PMLL4148
-20VL
AUX_ON
T5
BC846B
R220
100k
T13
BC856B
R196
10k
D28
PMLL4148
-20VL
BAL2_ON
T6
BC846B
R221
100k
T14
BC856B
R197
10k
D29
PMLL4148
-20VL
BAL1_ON
+5Vdig
+5Vdig
+5Vdig
+5Vdig
+5Vdig
+20VL
+20VL
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K11
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K12
T7
BC846B
R222
100k
T15
BC856B
R198
10k
D30
PMLL4148
+20VL
+5Vdig
PHASE_ON
MONITOR_ON
PHASE_ON
+5Vdig
DATA_POT
CLOCK_POT
LOAD/SHIFT
CLOCK_POT
LOAD/SHIFT
CLOCK_POT
LOAD/SHIFT
DATA_POT
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K13
-20VL
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K14
T8
BC846B
R223
100k
T16
BC856B
R199
10k
D31
PMLL4148
+20VL
+5Vdig
MONITOR_ON
-20VL
0Vdig
+20VL
+5Vdig
0Vdig
+5Vdig
0Vdig
R208
6k8
R209
6k8
SD HC595
STBY
Vin
1
GND
2
Vout
3
REG3
LM317T
Vin
1
GND
2
Vout
3
REG8
LM337T
3
2
1
8
4
U15A
OPA2604
5
6
7
U15B
OPA2604
-15Vreg
+15Vreg
C85
100N
3
2
1
8
4
U14A
OPA2604
5
6
7
U14B
OPA2604
-15Vreg
C54
100N
+Rline
-Rline
+15Vreg
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K15
D38
PMLL4148
T17 BC846B
R81
100k
-20VL
D40
PMLL4148
D41
PMLL4148
D39
PMLL4148
R215
3K9
R65
10K
R224
3K9
R225
3K9
R67
10K
R226
3K9
R227
3K9
R82
10K
R228
3K9
R229
3K9
R214
10K
R230
3K9
2
2
EM1068-5
BN
3
1
2
J2
HEADER 2
1
2
J11
HEADER 2
3
2
6
7
4
U16
OPA134
R129
100R
R132
100R
3
2
6
7
4
U17
OPA134
+15Vreg
+15Vreg
-15Vreg
-15Vreg
R231
1K8
R232
1K8
R233
4K7
R234
4K7
C78
220P
C79
220P
C76
100N
C77
100N
-15Vreg
-15Vreg
R265
0R
R266
1R
R267
0R
R268
0R