Page 1
B
C
Pa=22W
Pg2=3W
Ptot=25WIk=48mA
Ia=42mA
Ig2=6mA
R50
C20
5
1
1k
-45v
0.47u
power tube is EL34
V8
3
8
R56
20
R32
68k1
+430v
+516
C62u600v
Q3
MJE340
Q2
MPSU10
D20
1N4007
R7
1k8
2W
R6
330
A
D2
1N4148
C?
015u
0.32H
R3
C4
R1
100k
3300u
100k
C2
2W
350V
2W
1300u
C26
350V
2A?
L1
R?20C?
10n
1N4007
LED
R9
270k 2W
To Left CH
D21
F2
2W
270k
L2
0.32H
8rosso
16
T?
bianco/blu
bianco/verde
blu
verde
A
R62
20
4
2
R51
1k
R33 10k
R34
18k2
C21
0.47u
R63
20
R52
R36 10k
18k2
C22
3
1k
0.47u
V12
R58
20
R38
68k1
R40
V10
R57
20
R35
68k1
R37
R64
R53
R39 10k
18k2
C23
20
4
1k
0.47u
V14
R65
20
5
R59
20
R54
1k
R41
68k1
R42 10k
R43
18k2
C24
0.47u
R66
V16
R60
R44
68k1
20
V18
6
20
R61
R55
1k
R47
68k1
R45 10k
R46
18k2
C25
0.47u
20
20
D
R48 10k R67
R49
18k2
D?
R8
600v
2x2u
D3
600v
D23
1N4148
R4
100k
C5
3300u
R2
100k
C3
1300u
1N4007
Q1
2W
350V
2W
350V
Q5
R10
MPSU60
+260v
MJE340
R5
560k
56k
2W
C71u600v
Q4
MPSU10
D22
1W
D5-D11
7x33v
1N4007
D25-D28
4x1N5251B(4x22v)
C10
2u2
200v
C9
100u
150v
D12-D19
8x33v
D
-60v
Federico Paoletti
power amplifier PREMIER 1
Title
R11
820
2W
Size Document Number REV
C cjp1.sch
Date: March 31, 2002 Sheet of
R26
24k
5mA per triodo
+430v
C?
0.15u
B
600v
C8
100u
150v
R11
820
1/2 Vfil
F
-8v
D24
TRANSFORMER
1N4007
1N4007
C?
+92v
2W
R?
1M
R?
221k
D1
500k
R23
R25
24k
R24
24k
R22
20k
R21
20k
+330v
+260v
C
7
V6b
6
R28
10k
R30
2
6FQ7
V6a
1
V4b
6
7
6FQ7
V4a
1
2
+180v
R16
100k
C14
1u
+190v
38 38
R31
1M
C17
0.47u
R17
365k
R20
150k
+75v
5751
V2a
7
8
6
+77v
C16
20p
10k
R27
10k
R29
10k
V2b
5751
R18
562
R19
1
+0.5v
2
3
C?
10p
R15
2k
J?
In
90.9
R?
100k
C19
150p
C18
150p
R80
5k11
D?
LED
U1A
LF353
1
E
8
4
G
R70
560
3
2
D?
6v2
1M
R69
R68
1M2
1
Vfil=6.5Vca con 220Vca
VK1048
390Vca
T?
TRANSFORMER
D?
LED
U1B
LF353
7
F
8
4
G
R73
560
5
6
D?
6v2
1M
R72
R71
1M2
2
G
E
R18
562
+8v
D29
1N4007
D31
C11
1N4148
220u
10v
T?
D32
C12
T?
1N4148
220u
10v
D30
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