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Accuphase E-550 - PROTECTION ASSY (720-0075-00); Protection Assembly Schematic Diagram; METER LAMP ASSY (723-0117-00); Meter Lamp Assembly Schematic Diagram

Accuphase E-550
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GND
IN
34.5Vac
34.5Vac
GND
OUTPUT
+35V
-35V
-44V
+44V
+
-
-42V
+44V
-44V
+42V
-42V
OUTPUT
60mV
*
*
-K/U
Q19
2SA1376_-K/U
Q24
2SC3478_
-K/U
Q18
2SC3478_
-K/U
Q23
2SA1376_
D11
MA165
D19
MA165
-Y
Q17
2SA1145_ -Y
Q16
2SA1145_
D16
HZ153L
D17
HZ153L
100G
R44
-Y
Q22
2SC2705_ -Y
Q21
2SC2705_
+42V
100G
R59
-42V
D21
HZ6A1L
+42V
3
2
1
200
VR1
583-0226-00
D20
1SS83
D18
MA167
*
*
-K/U
Q15
2SA1376_
-K/U
Q11
2SC3478_
-K/U
Q14
2SC3478_
-K/U
Q10
2SA1376_
D9
MA165
D3
MA165
-Y
Q13
2SA1145_ -Y
Q12
2SA1145_
D6
HZ153L
D5
HZ153L
100G
R28
-Y
Q9
2SC2705_
-YQ8 2SC2705_
100G
R14
-42V
0.5W56kR70
+42V
1W3.3k
R50
1W3.3k
R24
D15
HZ9A2L
D14
HZ9A2L
-K/U
Q20
2SC3478_
-K/U
Q7
2SA1376_
5.6n
C6
2W33
R58
2W33
R13
D2
1SS83
D4
MA167
2W
160
R23
Q4
2SJ618_
Q25
2SK3497_
Q5
2SJ618_
Q6
2SJ618_
Q26
2SK3497_
Q27
2SK3497_
D12
1SR139-400
D7
1SR139-400
D10
LN1VB60
0.47
R31
0.47
R36
1
2
TP1
308-0221-00
D13
HZ153L
D8
HZ153L
D1
HZ6A1L
6.8
R10
0.5W
86.6F
R39
0.5W
768F
R42
0.5W3.83kFR38
0.5W3.83kFR40
!
!
!
!
!
!
-S/T
Q29
2SA1507_
-S/T
Q3
2SC3902_
Q28
2SC4793_
Q1
2SA1837_
2W0.22
R66
2W0.22
R9
2W0.22
R64
2W0.22
R62
2W0.22
R8
2W0.22
R7
47n
C5
47n
C26
1
2
K2
308-0206-00
1
8
2
3
4
IC1A
UPC4570C
7
6
5
IC1B
UPC4570C
1
2
K1
308-0210-00
1
2
3
4
K3
308-0410-00
39k
R33
75k
R34
470
R35
15k
R46
100
R43
15k
R52
22
R49
22
R55
2.4k
R45
22
R51
22
R54
2.4k
R60
5.6k
R48
5.6k
R57
1k
R47
1k
R56
15k
R30
100
R32
15k
R22
22
R27
22
R20
2.4k
R29
22
R21
22
R19
2.4k
R15
5.6k
R26
5.6k
R17
1k
R25
1k
R16
160
R53
160
R18
330
R63
330
R65
330
R69
1kR67 1kR681kR61
330
R4
330
R5
330
R6
1k
R1
1k
R2
1k
R3
100n
C3
100n
C28
75k
R37
75k
R41
10u
16V
C19
10u
16V
C17
2k
R11
270
R12
5.6n
C24
22n
C13
Q2
2SC4685_
*
*
*
!
Attention mark indicating critical components for safety.
Replacement must be made with identical parts of specified part number.
*: 標準で実装しない部品を示す
To Balance Ass'y K3
34.5v
42.1v 43.6v
-42.0v -43.6v
-34.5v
10u 25V
C15
1.5n
C14
470u
50V
C18
470u
50V
C11
470u
63V
C20
470u
63V
C23
470u
63V
C9
470u
63V
C4
470u
50V
C27
470u
50V
C1
470p
C29
470p
C2
100u 25V
C16
100u 25V
C12
470u
50V
C22
470u
50V
C8
4.7n
C21
4.7n
C25
4.7n
C10
4.7n
C7
P
O
W
E
R
A
M
P
A
S
S
'
Y
(
7
1
7
-
0
0
8
7
-
0
0
)
-
2
8
-
*: not standard parts

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