Laney CK30-CH Schematic
PHONOV2
D
C
SK2
Tape/CD
Line In
Line In
Mic
VR4
C30
10U 50V
C29
10U 50V
C21
10U 50V
C18
10U 50V
C19
10U 50V
470P 250V
C10
R33
10K
R32
10K
R35
10K
R19
1K
C6
470P 250V
R20
1K
+15V
-15V
L
R51
100K
G
100K
G
R
R50
100K
G
SK3
MJACK
G
R49
100K
G
SK7
MJACK
C25
G
R48
10U 50V
100K
G
SK1
SJACK
G
R18
R17
100K
G G
D9
1N4148
D10
1N4148
G
C220
10P 50V
R4
3K3
U2B
TL072
C31
47P 50V
VR2
100KA6S
+15V
TL072
-15V
U3A
TL072
U1A
R21
1K
R27
39K
G
2N2 100V
C22
R39
4K7
-15V
+15V
R11
47K
C14 270P 250V
C15
22N 100V
G
Gain
R26
10K
+15V
D5
1N4148
-15V
D8
1N4148
R12
10K
G
Gain
C28
47P 50V
TL072
+15V
-15V
VR1
100KA6S
U2A
C3 100P 100V
R16
10K
R7
22K
TL072
U3B
G
R14
10K
R15
R13
10K
10K
100KB6S
R40
8K2
R38
22K
Bass
VR3 100KB6S
C32
47N 100V
R22
100R
Treble
C26
2N2 100V
R36
4K7
Reverb
HD2WL
HD2WL
HD3
G G
HD2
R30
1M
+15V
TL072
-15V
G
C4
G
4N7 100V
C20
U5A
10U 50V
TL072
R6
22K
G
R2
22K
C1
2N2 100V
R1
1K
C5
1U 63V
G
U1B
R8
10K
R23
4K7
R37
820R
G
C8
100N 100V
C12 270P 250V
R10
10K
G
R28
1K
VR5
REVERB
10KB6S
G
G
54321
U5B
TL072
R31
10K
SK4
MJACK
Reverb Remote
C16
10U 50V
G
R42
4K7
VR6
10KA6S
Volume
R47
820R
G
G
SK5
SJACK
DIRECT INJECT
6
D
C
10P 50V
B
+15V
C7
47U 50V
G
C11
47U 50V
-15V
A
R9
100R 2W5
D2
15V ZD1.3W
D1
15V ZD1.3W
R3
100R 2W5
D11
LED3MMR
G
1 2 3 4 56
C13
2200U 25V
C9
2200U 25V
R43
4K7
R5
C2
G
1N4007
1N4007
3K3
G
C34
+ve
+21V
D3
D6
1N4007
HD1
HD3WL.15
D4
D7
1N4007
-21V
-ve
These items not on pcb
AC Line(Live)
TX
Transformer Primary
AC Input (Neutral)
TRANS4
230V = T250mA L
115V = T500mA L
Mains Switch
Fuse Integral to IEC
F1
FUSE
Black(Brown)
White (Blue)
Mains In
IEC Inlet
Green/Yellow
Chassis
Indicates safety critical component
Must only be replaced with same type and rating
470P 250V
G
10U 50V
U4
C17
R34
470R
G G
+Ve
9348
C35
G
47N 100V
C24
220N 63V
-
G
TDA2050
+
C23
-Ve
220N 63V
G
R2410K
R411KR46
47R
C33
22N 100V
Title
CK30 Keyboard Amp
B
Date: 15-Apr-2002 Sheet of
File: E:\PCB\Protel PCBS\9348_3.ddb Drawn By:
Number RevisionSize
R45
470R
R29
4R7 2W5
C27
220N 63V
G
R25
0R47 5WFPSO
G
1
R44
47R
G
HD2WL
HD4
1 1
SK6
SJACK
Phones
-Speaker
+Speaker
Rich Thompson
1
B
A
3
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