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\EM1068B.SCH Drawn By:
-20VL
VDD2
VSS2
+20VR
+20VL
VDD1
-20VR
+20VR
+20VL
+Lline
-Lline
VDD1
VDD2
VSS1
VSS2
STBY
Switch circuit
EM1068A.SCH
+
-
L
VSS1
GND spacer
CW
S1
T6.3A
R1
22K
R236
33K
R9
2K2
R2
33K
R20
10k
R44
330R
R242
330R
R52
330k
R53
330k
R54
330k
R55
330k
R60
6K8
R61
6K8
R64
1K
R66
1K
R72
5K6
R73
4k3
R83
100k
R84
100k
R85
33K
R86
100k
R87
100k
R88
100k
R107
1M
R108
1M
R89
100k
R109
1M
R110
1M
R90
100k
R91
100k
R92
100k
C1
100N
C2
100N
C24
4u7 35V
C3
100N
R111
4R7/2W
R112
4R7/2W
C4
100N
Z1
8V2
Z2
8V2
Z10
3V9
Z4
3V9
Z14
12V
Z15
12V
Z16
12V
Z17
12V
Z5
5V6
D1
BRIDGE 10A
Q11
2SC3420
C30
100u 63V
C31
100u 63V
R93
100k
D5
PMLL4148
D6
PMLL4148
R10
1K8
R11
2K2
PIN
P1
PIN
P2
R94
68K
1
2
3
4
P5
4way screw term
R74
4k3
D7
PMLL4148
R117
0R22/3W
R118
0R22/3W
1
2
3
4
P6
4 WAY PIN
R121
68R
R122
68R
Q15
BC846B
Q16
BC846B
Q17
BC846B
Q18
BC846B
Q33
BC856B
Q34
BC856B
Q46 2SK170GR
Q47 2SK170GR
Q19
BC846B
Q35
BC856B
PIN
G1
R135
390R
R136
390R
R139
47k
R140
47k
Q50
BCP53
Q54
BCP56
Q55
BCP56
Q51
BCP53
D8
PMLL4148
D9
PMLL4148
R95
100k
R96
100k
R123
68R
R124
68R
R147
100R
R148
100R
R149
100R
C42
10mF 63V
R153
100R Trim
C46
470n
C47
470n
C48
470n
C49
470n
C50
470n
C51
470n
C52
470n
C53
470n
S3
RESET FUSE, 4 Amp
Q59
2SA1302
3
2
1
8
4
U1A
1458
5
6
7
U1B
1458
1
2
3
4
P8
4PIN
Q20
BC846B
R5
33K
R97
100k
STBY3
Q36
BC856B
Q37
BC856B
Q21
BC846B
R98
100k
R99
100k
STBY1
STBY2
C25
4u7 35V
0Vdig
1
2
3
U3A
4093
5
6
4
U3B
4093
8
9
10
U3C
4093
12
13
11
U3D
4093
C72
470P
C73
470P
Q38
BC856B
Q39
BC856B
STBY3
STBY4
Q66
2SC3281
C32100u 63V
C33 100u 63V
C34
100u 63V
C35
100u 63V
D10
BDY17D
D11
BDY17D
D12
BDY17D
D13
BDY17D
Vin
1
GND
2
Vout
3
REG1
LM317T
Vin
1
GND
2
Vout
3
REG6
LM337T
R157 220R
R158 220R
R161 4k3
R162 4k3
R169
47R/3W
R170
47R/3W
+26VRreg
-26VRreg
-26VLreg
+26VLreg
S7
T250MA
S8
T250MA
1
2
C43
10mF 63V
D2
BRIDGE 10A
S4
RESET FUSE, 4 Amp
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K1
C26
4u7 35V
C27
4u7 35V
Q22
BC846B
Q40
BC856B
Q74
2SD1760
Q78
2SB1184
R246
150R
R252
150R
R12
1K5
C5
100N
D14
PMLL4148
R163
4k3
R164
4k3
R177
1K
R178
1K
R184
5K6
R185
5K6
C80
3.3U/50V
CW
R21
10k
R45
330R
R243
330R
Q12
2SC3420
R13
1K8
R154
100R Trim
Q60
2SA1302
Q23
BC846B
R6
33K
R100
100k
STBY1
Q69
2SC3281
Q24
BC846B
Q41
BC856B
Q75
2SD1760
Q79
2SB1184
R247
150R
R248
150R
R188
1K5
C6
100N
D15
PMLL4148
C81
3.3U/50V
R190
22K
R171
330R
R172
330R
C88
470P
C89
470P
+Rline
-Rline
CW
R3
22K
R237
33K
R14
2K2
R4
33K
R22
10k
R46
330R
R244
330R
R56
330k
R57
330k
R58
330k
R59
330k
R62
6K8
R63
6K8
C7
100N
C8
100N
Z6
8V2
Z7
8V2
Q13
2SC3420
R15
1K8
R16
2K2
R125
68R
R126
68R
Q25
BC846B
Q26
BC846B
Q27
BC846B
Q28
BC846B
Q42
BC856B
Q43
BC856B
Q48
2SK170GR
Q49
2SK170GR
R137
390R
R138
390R
R141
47k
R142
47k
Q52
BCP53
Q56
BCP56
Q57
BCP56
Q53
BCP53
R127
68R
R128
68R
R150
100R
R151
100R
R152
100R
R155
100R Trim
C56
470n
C57
470n
C58
470n
C59
470n
Q63
2SA1302
3
2
1
8
4
U2A
1458
5
6
7
U2B
1458
Q29
BC846B
R7
33K
R101
100k
STBY2
C74
470P
C75
470P
Q70
2SC3281
-26VRreg
+26VRreg
Q30
BC846B
Q44
BC856B
Q76
2SD1760
Q80
2SB1184
R249
150R
R253
150R
R17
1k5
C9
100N
D16
PMLL4148
R179
1K
R180
1K
R186
5K6
R187
5K6
C82
3.3U/50V
CW
R23
10k
R47
330R
R245
330R
Q14
2SC3420
R18
1K8
R156
100R Trim
Q64
2SA1302
Q31
BC846B
R8
33K
R102
100k
STBY4
Q73
2SC3281
Q32
BC846B
Q45
BC856B
Q77
2SD1760
Q81
2SB1184
R250
150R
R251
150R
R189
1K5
C10
100N
D17
PMLL4148
C83
3.3U/50V
R191
22K
R173
330R
R174
330R
C90
470P
C91
470P
+
-
R
C11
100N
R113
4R7/2W
R114
4R7/2W
C12
100N
PIN
P3
PIN
P4
NO1
1
N02
8
C1
2
C2
7
NC1
3
NC2
6
COIL
4
COIL
5
K2
-20VL
+20VL
S2
T6.3A
R75
4k3
R76
4k3
D3
BRIDGE 10A
C36
100u 63V
C37
100u 63V
R119
0R22/3W
R120
0R22/3W
1
2
3
4
P7
4 WAY PIN
C44
10mF 63V
S5
RESET FUSE, 4 Amp
C38100u 63V
C39100u 63V
C40
100u 63V
C41
100u 63V
D18
BDY17D
D19
BDY17D
D20
BDY17D
D21
BDY17D
Vin
1
GND
2
Vout
3
REG2
LM317T
Vin
1
GND
2
Vout
3
REG7
LM337T
R159 220R
R160 220R
R165 4k3
R166 4k3
R175
47R/3W
R176
47R/3W
+26VLreg
-26VLreg
S9
T250MA
S10
T250MA
C45
10mF 63V
D4
BRIDGE 10A
S6
RESET FUSE, 4 Amp
C28
4u7 35V
C29
4u7 35V
R167
4K7
R168
4k3
+20VL-AMP1
+20VL-AMP2
+20VL-AMP1
+20VL-AMP2
+20VR-AMP1
+20VR-AMP1
+20VR-AMP2
+20VR-AMP2
-20VL
-20VL
-20VR
-20VR
R200
1R
R201
1R
R202
1R
R203
1R
C13
100N
C14
100N
C15
100N
C16
100N
D32
PMLL4148
D33PMLL4148
D34
PMLL4148
D35
PMLL4148
C22
100N
R68
4R7/2W
R69
4R7/2W
C23
100N
R70
11R/2W
R71
11R/2W
R79
11R/2W
R80
11R/2W
D22
PMLL4148
D36
PMLL4148
C55
470n
C60
470n
C61
470n
C84
470n
VSS2
VDD2
VSS1
VDD1
C86
100N
C87
100N
C119
100N
C120
100N
C121
100N
C122
100N
C123
100N
C124
100N
+6.5Vreg
-6.5Vreg
EM1068-5
BN
PIN14 4093
PIN7 4093
1
2
8
9
14
7
U4A
HEF4075
3
4
5
6
14
7
U4B
HEF4075
11
12
13
10
14
7
U4C
HEF4075
L1 SPOLE
L2SPOLE
L3
SPOLE
L4
SPOLE
R235NC
R238 1R
R239
1R
R2401R
R241
NC
R2541R
R2551R
R2561R
R257NC
R258 1R
R259 1R
R260 1R
R261 1R
R262 NC
R263 1R
R264
1R
