Laney CD850S Schematic
Laney
Classic British Amplification
Newlyn Road, Cradley Heath, West Midlands. B64 6B£
www.laney.co.uk
CD850S
Service Information
5R18
6.8K
SW1
5JACK1
Line
Mic
5JACK2
SW1
5R17
6.8K
NC
GND
GND
GND
+15V
+48V
-15V
IC4
JP7X2
-12dB(40dB)
5C8
5C9
47U/50V
5C19
222
L OUT
R OUT
E
M
47U/16V
47U/16V
5C10
5R19
2.2K
47U/50V
5C11
5R15
1K
1K
5R16
5D5
4148
5C18
222
5C17
222
Pad
5K1
SW DPDT
5C7
470U/16V
5D4
4148
5D3
4148
5R20
22K
0V
5R13
560
0V
0.6V
-8V
5R21
4.7K
-8V
0.6V
5R22
10K
A1015
5Q2
4.7K
5R10
5Q1
A1015
5R9
10K
4148
5D7
4148
5D1
5D6
4148
5R36
2.7K
22P
5C21
4148
5D2
5R26
22K
6
5
5R8
2.2K
2
31
5R11
100
5VR2
10KB
5VR4
10KB
5R41
4.7K
5R34
10K
Level
5C16
103
5VR3
50KB
5VR7
10KB
50KB
5VR1
5C15
47U/16V
5C24
472
5R45
4.7K
5R43
22K
Bass
223
5R1
100K
5C14
103
5R2
1K
Treble
5R42
4.7K
IC1
4558
5
6
5R3
4.7K
5C20 100P
100P
5C23
2
3
IC2
4558
5R49
Mid
15K
5C12
5C6
47U/16V
5R6
2.2K
5R7
47K
472
5C1
222
5R39
12K
5R4
4.7K
8
-38dB
7
1C3
4558
5C21
22P
22K
5R38
-38dB
5R25
2.7K
4
4558
IC3
2
3
5R48
15K
658
5R47
12K
8
4
4
47U/16V 5C2
-25dB -25dB
5C24
1
IC1
4558
Mon
5R5
10K
7
5C5
47U/16V
IC2
4558
5C3
47U/16V
47U/16V
5C1
7
5R46
4.7K
5R31
1
4.7K
FX
5VR5
10KB
-18dB
5R32
10K
10K
5R37
-10dB
5R35
10K
5VR6
10KB
Pan
47U/16V
5C4
100
5R12
Laney
CD850S Input Circuit
12/05/2003
SK.A97.095
Right
Input
6JACK1
CK6.3
6JACK2
CK6.3
Left/
Mono
Input
-10dB
47U/16V
4C26
-10dB
47U/16V
6C25
6R54
10K
6R60
22K
6R53
10K
6R59
22K
6D4
4148
6D1
4148
4148
6D2
6D3
4148
6R35
100
6C19
6VR1
6C3
50KB
103
6R56
6.8K
8
2
3
4
IC4
4558
47U/16V
6C24
-13dB
6R37
4.7K
6VR3
50KB
6R29
1K
6C5
222
6R32
22K
6C7
103
6R2
4.7K
6C1
100P
-13dB
8
2
1
3
IC3
4558
5VR2
50KB
6R5
15K
6C13
472
6C8
103
12K
6R36
2
3
6R28
15K
6R43
6R61
100K
10K
6R12
820
3
2
6R21
12K
1
IC2
4558
-14dB
47U/16V
6C21
6VR7
10KB
8
47U/16V
6C17
6VR4
10KB
Mid
333
6C4
103
6VR1
50KB
6VR3
50KB
6C10
Bass
6R20
1K
6C6
222
6R39
22K
333
6C14
6C9
103
6R26
4.7K
Level
6VR2
50KB
6R62
6C11
103
472
15K
12K
6R19
6C2100P
4
IC3
4558
-13dB
7
6
5
6
5
6R27
15K6C12
6R20
12K
-14dB
47U/16V
7
IC2
4
4558
6C20
6VR7
10KB
47U/16V
6C16
6VR4
10KB
Mon
10K
6C42
6R13
100K
6R9
820
6
5
Treble
6R51
6.8K
7
IC4
4558
47U/16V
6C23
-13dB
6R40
4.7K
6
5
4
47U/16V
8
+2dB
6C22
1
IC1
47U/16V
4558
6R11
4.7K
+2dB
6C8
7
IC1
6R10
4.7K
4558
47U/16V
47U/16V
6C18
6R4
100
4
6R45
10K
6R44
10K
6R47
4.7K
6R49
4.7K
10K
6R48
10K
6R50
-5dB
Fx
6R46
10K
6VR5
10KB
10KB
6VR6
Pan
6JP3
JP7X2
L
R
EFF
MON
NC
NC
NC
NC
GND
GND
GND
+15V
NC
-15V
Laney
CD850S Stereo Input Circuit
12/05/2003
SK.8.A97.096
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