Oneal OP8500 Schematic
Op8500
219
BA
VU
+12 VU
LED4
1
CANAL B
CN2B
12
3
CN1B
C1
10 uF/ 2 5V
C2
10 uF/ 2 5V
+15
- 1 5
D1
R1
22 K
R2
22 K
D4
1N4 14 8D31N4 14 8
+15- 15
47 pF
C4
R4 1 0K
2
1N4 14 8D21N4 14 8
CI1A
1
45 58
3
4
C3
47 pF
POT2
R3
- 1 5
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
- 1 5
R32
47 0R
2
R23
- 1 5
R19
R17
68 0R
SW1
3
BRIDGE
STEREO
MONO
5K6
R15
4K7
R16
4K7
+15
R18
5K6
51 2 3 4
CI3
Oci402
9810711612
13141516
R20
68 0R
+15
R27
6K8
10 0K
R25
68 0R
R21
47 K
C15
RAMP
10 uF/ 2 5V
- 1 5
R22
47 K
R24
6K8
C16
10 uF/ 2 5V
R26
68 0R
RAMP
R28
10 0K
4
- 1 5 +1 5
D6
C8
R8
10 uF/ 2 5V
22 K
1N4 14 8D51N4 14 8
R9
3
12
AC2
1N4 00 7
47 0uF/ 35 V
47 0uF/ 35 V
1N4 00 7
TO RAMP GEN .
- 2 2
C9
10 uF/ 2 5V
D21
C31
C32
D22
22 K
D8
D7
1N4 14 8
1N4 14 8
- 1 5
+15
BD13 9
R85
1K8
D23
C33
15 V
D24
C34
15 V
R86
1K8
BD14 0
CN2A
5
CANAL A
CN1A
TO RAMP GEN .
AC2
GND
6
47 pF
C11
R11 10 K
6
CI2B
45 58
5
8
C10
R10
+15
10 K
47 pF
T10
C39
C37
C35
10 0nF
10 0nF
10 0nF
10 uF/ 2 5V
10 uF/ 2 5V
C40
C36
C38
10 0nF
10 0nF
10 0nF
T11
SUP PL YPOWER
R12
22 K
7
C12
10 0pF
POT1
10 0KB
R87
82 0R
D25
C41
10 0nF
7V5
D26
C42
10 0nF
7V5
R88
82 0R
+15
+7. 5
CI8
PINO 16
GND
- 7 .5
CI8
PINO 7
- 1 5
3
2
R13
3K9
C13
+12 VU
C14
10 uF/ 2 5V
- 1 5
4
CI2A
1
45 58
R14
33 K
22 pF
VU
R30
2K2
CI4B
7
LIMIT A
LED1
VM
- 2 2V
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
- 1 5V
1N4 14 8
D10
1N4 14 8
THRESHOL D
D11
1N4 14 8
R40
4K7
A
T8
K
+15 V
K
T9
A
R41
4K7
D12
1N4 14 8
R42 4K7
R43 4K7
D13
1N4 14 8
D14
1N4 14 8
1N4 14 8
1N4 14 8
R58
56 R
R59
8K2
D9
R44 10 0K
R49
7
C24
R45 10 0K
1
7
4
C43
10 0nF
C14
10 0nF
4
1
C25
1
C26
7
BC32 7
4K7
6
CI5B
45 58
5
22 pF
R50
4K7
2
CI5A
45 58
3
R97
3K9
R98
3K9
22 pF
10 0KR46
R51
4K7
2
CI6A
45 58
3
4K7R 47
22 pF
10 0KR48
6
CI6B
45 58
5
CI3
PINO1 0
PINO7
T5
R62
R63
47 K
47 K
R61
10 K
R52
68 K
R53
22 K
C45
2
1nF
3
R95
4K7
+12 V
1nF / 63 V
C29
R73
1K
R72
22 R
C30
1nF / 63 V
+12 V
R96
4K7
5
C46
6
1nF
R54
68 K
R55
22 K
CI3
D11
R10 1
BD13 9
1
1N4 14 8
45 58
CI10 A
8
R99
1M
R74
27 0K
D19
5
1N4 14 8
CI7B
7
Oci212
8
6
R77
10 K
+15
R75
33 K
2
Oci212
3
CI9B
45 58
+15
- 1 5
R78
10 K
D20
4
1N4 14 8
CI7A
1
R76
27 0K
R10 0
1M
8
7
D28
1N4 14 8
T12
1K
-
1N4 00 7
D29
+
COOLER- B
+7. 5
16 15 2
10 1
R79
10 K
14
CI8
8
Oci323
6
R80
10 K
R10 2
1K
7 5439
- 7 .5
+
D30
1N4 00 7
-
COOLER- A
BD13 9
T13
R64
22 0K
R65
22 0K
CONTROL
R81
4K7
D
T6
G
BF24 5A
S
R82
IN
12 K
OUTPUT B
GNDAMP.
GNDAMP.
AOUTPUT
R83
4K7
D
T7
G
BF24 5A
S
R66
10 0K
R84
12 K
GATE
T6
R67
10 0K
NOTA:
- RESIS TORES 5 % 1/ 8W, QUANDO NAO ESPECIF ICADO
- CAPACITOR ES 5 %, QUANDO NAO ESPECIF ICADO
- SUJE ITO A AL TERACOES SEM PREV IO AVISO
Tit le
LIMITER OP8 5 0 0
Siz e
A1
03 / 0 1 / 0 7
Dat e
LIMITER1 .S 01 02 0 4
File na m e
C19
10 uF/ 2 5V
4K7R37
15 0KR38
+B- REF.
22 KTP1
4K7R39
C20
10 uF/ 2 5V
R93
9K1
R91
6
1K
45 58
CI10 B
5
R89
10 K
- 1 5V
R70
10 0R
R68
4K7
R69
4K7
R71
10 0R
- 1 5V
R90
10 K
3
CI9A
R92
45 58
2
1K
R94
9K1
C21
10 uF/ 2 5V
C22
10 uF/ 2 5V
R60
D17
68 K
D18
T4
BC33 7
C28
10 uF/ 2 5V
22 pF
C23
HGFE
Dra wn by
RevNum b er
ROMO/ MHG
ofShe et
1
2
3
4
5
6
220
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