Laney Richter R5, Service Information

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Title
Number Revision Size
A2
Date: 10/02/2004 Sheet of
File: D:\Work-in-Progress\..\9379_2. Sch Drawn By:
R3/R5 Bass Preamp
9379 2
1 1 9379_2.Sch
Rich Thompson
BLT
Industries
Revision History
MJACK
SK1
MJACKG
SK2
Active
Passive
1KSM
R3
1MSM
R4
10KSM
R7
22KSM
R5
270PSM
C28
4K7SM
R8
10KSM
R27
100PSM
C27
10N 100V
C5
TL072SM
U2A
TL072SM
U2B
TL072SM
U3A
TL072SM
U5B
TL072SM
U5A
TL072SM
U6A
100PSM
C26
G
G
+15V
-15V
2U2 63V
C3
G
22KB6S
VR1
G
10U 50V
C4
2U2 63V
C6
22KSM
R30
470PSM
C30
4U7 63V
C11
680R 5W R2
680R 5W
R1
15V ZD1.3W
D7
15V ZD1.3W
D6
G G
G G
To PCB 9378
Output PCB
TL072SM
U4B
100RSM
R12
G
+15V
+15V
G
G
G G
2P2WPS
SW1B
2P2WPS
SW1A
LED3MMG
D1
G
G
-15V
G
2U2 63V
C7
G
G
Compressor Switch
Limiter On
-15V
4K7SM
R72
LED3MMR
D8
G
Power
22
N
10
0
V
C17
15V ZD1.3W
D4
15V ZD1.3W
D3
+45V -45V
Gs Gs
+45V -45V
100N 63V
C1
100N 63V
C2
G
100PSM
C29
22KSM
R10
22KSM
R15
100RSM
R13
22KSM
R9
22KSM
R34
22KSM
R36
100KSM
R19
10KSM
R18
BC847B
TS2
3K3SM
R21
1KSM
R16
BC857B
TS1
470KSM
R11
10KSM
R20
100KSM
R48
100KSM
R49
10
0
K
S
M
R45
100KSM
R46
33KSM
R37
47PSM
C31
TL072SM
U4A
820RSM
R38
820RSM
R43
2K2SM
R39
2K2SM
R50
2K2SM
R60 2K2SM
R59
10KSM
R42
4K7SM
R53
470PSM
C32
22KB6SCD
VR8
22KB6SCD
VR3
220N 63V
C13
47N 100V
C14
47N 100V
C21
G
Treble
Bass
Gain
10KSM
R55
10KSM
R54
10KSM
R51
10KSM
R52
22KB6SCD
VR5
33N 100V
C18
22N 100V
C15
100KC6SD
VR4A
100KC6SD
VR4B
G
10U 50V
C25
WIREPAD
P1
G
Electronic GND
G
4K7B6S
VR10
G
10KSM
R66
10KSM
R68
1K SM
R75
220R SM
R76
1K SM
R69
220R SM
R70
2 1
3
XLR3M
SK3
G
DIRECT OUT
+15V
-15V
G
+45V
-45V
4K7SM
R73
4K7SM
R74
G
Tuner Out
Signal Out
Limiter Signal
CA3094
U1
10KSM
R32
4K7SM
R24
22KSM
R29
2N2 100V
C10
47N 100V
C9
220N 63V
C12
33KSM
R25
47KSM
R31
47KSM
R35
100RSM
R33
22KB6S
VR2
TL072SM
U3B
10KSM
R26
10U 50V
C8
G
56KSM1
R28
470U 16V
C24
470U 16V
C23
FP
Flame proof resister
Must only be replaced with same type and rating
Indicates safety critical component
Must only be replaced with approved type
Enhance
10KSM
R6
G
+15V
-15V
+15V
-15V
+15V
-15V
BAS16
D10
BAS16
D9
BAS16
D11
+15V
-15V
BAS16 D15
BAS16
D14
100KH
VR9
0R0SM
LN13
0R0SM
LN14
0R0SM
LN15
0R0SM
LN27
0R0
LN12
0R0SM
LN16
0R0
LN5
0R0SM
LN23
0R0SM
LN21
0R0SM
LN22
0R0
LN3
2P2WPS
SW3A
SPADE4.8
SP1
TO HORN -V
HORN ON/OFF
MASTER VOLUME
1 2
3 4
5 6
7 8
9
10
HD1
G
0R0SM
LN29
LED3MMG
D2
3K3SM
R23
-15V
Comp On
G
0R0SM
LN18
0R0
LN1
0R0SM
LN19
10KSM
R67
10KSM
R61
3N3 50V
C20
4N7 100V
C22
22KB6SCD
VR7
TL072SM
U6B
G
Hi ParaMid Gain
Lo ParaMid Gain
ParaMid Freq
4K7SM
R40
4K7SM
R41 2P2WPS
SW2A
Gs
G
2U2 63V
C16
100KSM
R14
1KSM
R17
BC857B
TS3
470KSM
R44
10KSM
R47
BAS16
D13
Comp Level
BAS16
D12
10KSM
R22
LED3MMR
D5
G
Gs
2U2 63V
C19
100KSM
R62
10KSM
R63
BC847B
TS5
3K3SM
R71
1KSM
R56
BC857B
TS4
470KSM
R58
10KSM
R57
BAS16
D16
-15V
-15V
Limit Active
+15V
-15V
0R0SM
LN28
G
G
FP
FP
0R0
LN11
0R0SM
LN30
0R0SM LN31
0R0SM
LN26
0R0
LN2
0R0SM
LN17
10KSM
R65
10KSM
R64
100KC6SD
VR6A
100KC6SD
VR6B
G
0R0
LN6
0R0
LN4
0R0SM
LN24
0R0SM
LN25
G G
+15V
-15V
0R0SM
LN20
0R0
LN8
Gs G
0R0
LN7
0R0
LN10
0R0
LN9
R3/H Only, Not fitted to R5
See CN0337 - R70, R76 From 820r to 220r
- R69, R75 from 470r to 1K