svi4004 sch
TRANSCRIPT
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
23191817 131514 16 12
???
???
SMD Code: W5
PNP1
PNP2
NPN2
NPN1
???
???
???
???
2122 20 24
2SC2631
2SC2631
2SC2631
2SC3298
2SA1535
Adjusted for zero
output voltage
Adjusted for 18mA
output current
MA143
N.C.
Terhelés
SEPP "A" Class Driver (Technics SUV-60)
B1
B2 C2C1
E1/E2
Code: CG
SMD Code: CG
SMD Code: AN
SMD Code: DL
SMD Code: DL
Current stabilizator
Limiter
Limiter
ICQ adjust
+ -
SMD Code: M.C
RefRefRef
+U
+U
+U
+U
0
0
-U
-U
+U
0
-U
+U
+U -U
0
+Ureg
+U
0
Q18Q18
Q8
Q2SC2713
Q8
Q2SC2713
C14
33n
C14
33n
V2
60V
V2
60V
R29
10
R29
10
C20
4.7n
C20
4.7n
C16
33n
C16
33n
L2
1.8u
L2
1.8u
C17
68p
C17
68p
V1
60V
V1
60V
R4
1k
R4
1k
D3
MA291
D3
MA291
D4
BZT55B6V2
D4
BZT55B6V2
R3
1.2k
R3
1.2k
C3
68p
C3
68p
R28
100
R28
100
R25
100
R25
100
C13
3.9n
C13
3.9n
D2
MA291
D2
MA291
R17
2.2
R17
2.2
R5
750
R5
750
R19
2.2
R19
2.2
C2
1n
C2
1n
Q16Q16
Q13Q2SC3311
Q13Q2SC3311
R18
390
R18
390
Q17
Q2SA1123
Q17
Q2SA1123
S
V5
Implementation = Signal
S
V5
Implementation = Signal
R38
7698
R38
7698
Q10Q10
V4
42.8V
V4
42.8V
R10
820
R10
820
R14
1.8k
R14
1.8k
R11
0.8
R11
0.8
Q4Q4
R2322kR23
22k
R9
270
R9
270
R31
270
R31
270
Q1
Q2SA1163
Q1
Q2SA1163
R13
22k
R13
22k
D6
MA291
D6
MA291
R12
0.2
R12
0.2
D5
MA291
D5
MA291
C1
100p
C1
100p
R7
4.7k
R7
4.7k
Q3Q3
C11
33p
C11
33p
C7
33p
C7
33p
Q11Q11
Q7Q7
R34
8
R34
8
Q9
Q2SC2713
Q9
Q2SC2713
C8
1u
50V
C8
1u
50V
Q20
Q2SA1123
Q20
Q2SA1123
R20
100
R20
100
C12
100u
10V
C12
100u
10V
Q2
Q2SA1163
Q2
Q2SA1163
R24
470
R24
470
R27
10k
R27
10k
C19
22n
C19
22n
R15
100
R15
100
R2
2.2k
R2
2.2k
R32
6.8
R32
6.8
R8
6.8
R8
6.8
C6
560p
C6
560p
R26
100
R26
100
Q14
Q2SC1685
Q14
Q2SC1685
R21
500SET = 0.92R21
500SET = 0.92
R39
10
R39
10
C10
1u50V
C10
1u50V
R22
390
R22
390
C15
100u
10V
C15
100u
10V
D10D10
C5
33n
C5
33n
R1
360
R1
360
D8
MA291
D8
MA291
Q12Q12
L1
0.7u
L1
0.7u
Q2SC2532
Q5
Q2SC2532
Q5
C9
56p
C9
56p
R16
3.3k
R16
3.3k
R6
56
R6
56
D7
MA291
D7
MA291
Q15Q2SA1309
Q15Q2SA1309
Q19Q19
Q6Q6
