Oneal OP8502, PB8002H Schematic
Op8502
224
BA
VU
+12 VU
LED4
1
2 1
CANAL B
3
CN1B
CN2B
C1
10 uF/ 2 5V
C2
10 uF/ 2 5V
- 15
+15
47 pF
D1
R1
22 K
R2
22 K
- 15 +1 5
C4
10 KR4
2
1N4 14 8D21N4 14 8
CI1A
1
45 58
3
D4
1N4 14 8D31N4 14 8
4
C3
47 pF
POT2
R3
- 15
10 0KB
10 K
R6
3K9
C5
10 0pF
R5
22 K
VM
LIMIT B
22 pF
C6
R7
33 K
6
CI1B
7
45 58
5
8
+15
C7
10 uF/ 2 5V
CI4A
1
39 3
R29
2K2
R31
33 K
- 15
R32
47 0R
2
- 15
R17
R19
5K6
SW1
3
BRIDGE
STEREO
MONO
+15
R15
4K7
R16
4K7
16 1 5 1 4 13
R18
5K6
68 0R
R20
68 0R
4321 5126117108
CI3
Oci402
9
+15
R25
68 0R
R21
47 K
C15
10 uF/ 2 5V
C16
10 uF/ 2 5V
R26
68 0R
RAMP
RAMP
R28
10 0K
- 15
R22
47 K
R24
6K8
R27
R23
10 0K
6K8
4
+15- 15
D6
C8
R8
10 uF/ 2 5V
22 K
R9
3
AC2
1N4 00 7
47 0uF / 35 V
47 0uF / 35 V
1N4 00 7
TO RAMP GEN.
- 22
C9
10 uF/ 2 5V
D21
C31
C32
D22
22 K
D8
D7
1N4 14 8
1N4 14 8
+15
- 15
BD13 9
R85
1K8
D23
C33
15 V
D24
C34
15 V
R86
1K8
BD14 0
POWER SUP PL Y
CN2A
CANAL A
5
2 1
CN1A
TO RAMP GEN.
AC2
GND
6
47 pF
C11
10 KR11
6
1N4 14 8D51N4 14 8
CI2B
45 58
5
8
C10
R10
+15
10 K
47 pF
T10
C35
C37
C39
10 0nF
10 0nF
10 0nF
10 uF/ 2 5V
10 uF/ 2 5V
C38
C36
C40
10 0nF
10 0nF
10 0nF
T11
R12
22 K
7
C12
10 0pF
POT1
10 0KB
R87
82 0R
C41
D25
10 0nF
7V5
C42
D26
10 0nF
7V5
R88
82 0R
+15
+7. 5
CI8
PINO 1 6
GND
- 7.5
CI8
PINO 7
- 15
3
2
R13
3K9
C13
+12 VU
C14
10 uF/ 2 5V
- 15
4
CI2A
1
45 58
R14
33 K
22 pF
VU
R30
2K2
CI4B
7
LIMIT A
LED1
VM
- 22 V
39 3
D15
1N4 00 7
AC2
C27
1uF / 50 V
A B C D E F G H
DC
3
C17
2
R33
47 K
1uF / 25 V
T1
BC32 7
R35
10 0R
ETP
SENSOR
CH- B
BD14 0
SENSOR- B
SENSOR- A
BD14 0
ETP
SENSOR
CH- A
R36
10 0R
T2
BC32 7
6
5
C18
R34
47 K
1uF / 25 V
R56
68 K
R57
47 K
T3
BC32 7
D16
1N4 14 8
RAMP GENERATOR
- 15 V
D9
1N4 14 8
D10
1N4 14 8
R37 4 K7
R38 15 0K
TP1 22 K
THRESHOL D
R39 4K7
D11
1N4 14 8
R40
4K7
R91
A
T8
K
+15 V
K
T9
A
R92
1K
R41
4K7
D12
1N4 14 8
D13
1N4 14 8
D14
1N4 14 8
1N4 14 8
1N4 14 8
R58
56 R
R59
8K2
22 pF
C23
10 0KR44
R49
CI5B
7
45 58
C24
CI5A
1
45 58
7
4
C43
10 0nF
C14
10 0nF
4
1
C25
R46 10 0K
CI6A
1
45 58
R47 4K7
C26
R48 10 0K
CI6B
7
45 58
T5
BC32 7
R61
10 K
4K7
6
5
R52
22 pF
10 0KR45
R50
4K7
2
3
R97
3K9
R98
3K9
22 pF
R51
4K7
2
3
22 pF
6
5
CI3
PINO7
PINO1 0
R63
R62
47 K
47 K
68 K
R53
22 K
C45
2
1nF
3
R95
4K7
+12 V
5
1nF / 63 V
C29
6
R73
1K
R72
22 R
C30
2
1nF / 63 V
3
+12 V
R96
4K7
5
C46
6
1nF
R54
68 K
R55
22 K
CI3
D11
R10 1
BD13 9
1
45 58
1N4 14 8
CI10 A
8
R99
1M
R74
27 0K
D19
1N4 14 8
CI7B
7
Oci212
8
R77
10 K
+15
R75
33 K
CI9B
45 58
+15
- 15
R78
10 K
D20
4
1N4 14 8
CI7A
1
Oci212
R76
27 0K
R10 0
1M
8
7
D28
1N4 14 8
T12
1K
-
1N4 00 7
D29
+
COOLER- B
+7. 5
14
8
6
9 3 4 57
+
-
BD13 9
110
CI8
Oci323
- 7.5
D30
1N4 00 7
T13
R64
22 0K
R65
22 0K
R79
10 K
R80
10 K
COOLER- A
R10 2
1K
CONTROL
R81
15 K
D
T6
G
BF24 5A
S
R82
IN
15 K
BOUTPUT
GNDAMP.
21516
GNDAMP.
OUTPUT A
R83
15 K
D
T7
G
BF24 5A
S
R66
10 0K
R84
15 K
GATE
T6
R67
10 0K
NOTA:
- RESIS TORES 5% 1/ 8W, QUANDO NAO ESP ECIFICADO
- CAPACITOR ES 5%, QU ANDO NAO E SPECIF ICADO
- SUJE ITO A ALTER ACOES SEM PREVI O AVIS O
Tit le
LIMITER OP 8 5 0 2
Siz e
A1
03 / 0 1/ 0 7
Dat e
File na m e
C19
10 uF/ 2 5V
+B- REF.
C20
10 uF/ 2 5V
R93
9K1
6
1K
45 58
CI10 B
5
R89
10 K
- 15 V
R70
10 0R
R68
4K7
R69
4K7
R71
10 0R
- 15 V
R90
10 K
3
CI9A
45 58
2
R94
9K1
C21
10 uF/ 2 5V
4K7R42
4K7R43
C22
10 uF/ 2 5V
R60
D17
68 K
D18
T4
BC33 7
C28
10 uF/ 2 5V
HGFE
Dra wn by
RevNum b er
ROMO/ MHG
0402LIMITER1 . S01
ofShe et
1
2
3
4
5
6
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