Laney TFX1 Service Manual
TFX1
Service InformationService Information
Laney
Classic British Amplification
Newlyn Road, Cradley Heath, West Midlands. B64 6B£
www.laney.co.uk
1
C1
10N 1 00V
R9
10KSM
R8
G G
1
1MSM
C31
+15V
-15V
47PSM
0R0SM
LN12
D6
BAS16
D7
G
BAS16
G
HD3
+15V
TL07 2SM
-15V
R6
C30
270PSM
C2
0.47 U 63V
R3
4K7SM
10
8
6
4
2
22KSM
9
7
5
3
1
U3A
G
0R0SM
LN13
22N 100V
LN16
0R0S M
LN29
0R0S M
4P2WPSPB
MJACK
G
SK1
GG
A A
Input
B B
C C
To PCB 9389
D D
Output PCB
E E
2
R15
100K SM
CD4069UBE
VDD
C6
R14
1 2
U1A
150K SM
G
Clean Channel
C5
270PSM
Treble
VR4
R10
100K SM
220K A6S
C4
100N 63V
Bass
220K A6S
47N 1 00V
Mid
C3
VR3
22KB6S
G
Channel Select
0R0
LN1
COC
SW2C
G
+30V
LN6
0R0
0R0SM
LN30
R2
10R 2W5
2
VR2
COD
G
G
C32
100K A6SD
100N 50VSM
LN11
0R0SM
-15V
R11
10KSM
SW2D
4P2WPSPB
C26
100N 50VSM
C28
100N 50VSM
C46
10U 5 0V
DG
Drive Channel
100N 63V
Q1
VR5A
PF3819
G
D8
BAS16
C19
GT
R7
1MSM
G
G
Drive On
LED3MMG
R12
1KSM
D1
3V9 Z D0.5W
G
-15V
U2
LM7805
IN OUT
GND
DG
R4
10KSM
+15V
R16
47KSM
C9
100N 63V
R20
100K SM
G
0R0LN2
0R0SMLN20
TL07 2SM
R5
47KSM
-15V
LN15
0R0SM
D2
R13
2K2SM
TS1
BC857B
G
G
R58
100K SM
LN7
0R0
U3B
C24
10U 5 0V
C8
4N7 1 00V
R17
47KSM
C29
100N 63V
+5VDSP
CD4069UBE
0R0SM
C42
100N 50VSM
3
R18
1MSM
U1B
3 4
100N 63V
BRIG H T O N/O F F
SW1B
2P2WPS
LN10
VR1
100K A6S
G
R33
470K SM
R37
100K SM
C36
G
100N 50VSM
+15V
3
C33
VR5B
100KA6SD
G
C25
C44
100N 50VSM
G
R1
1K
D3
5V1 Z D0.5W
G
C27
470PSM
470PSM
-15V
TS2
BC85 7B
Gt
R19
22KSM
C34
100N 63V
R35
10KSM
R34
100K SM
100N 50VSM
R21
1MSM
U1C
5 6
CD4069UBE
R38
100K SM
C37
VDD
C7
470U 16V
G
22N 100V
Gt
C10
4
-15V
G
4
C11
2N2 1 00V
R24
100K SM
Q3
PF3819
0R0S M
LN22
D12
BAS16
R55
4K7SM
D5
LED3MMR
Power
R22
100K SM
R56
1KSM
C35
47PSM
R23
1MSM
U1D
9 8
CD4069UBE
C12
2U2 6 3V
VIBE O N /O FF
LN27
0R0SM
R45
3K3SM
2P2WPS
SW3A
Revi si on His tory
C21
4N7 1 00V
C16
220N 63V
220N 63V
C15
G
5
R57
4K7SM
R53
3K3SM
5
G
Gs
R52
100K SM
Treble
VR9
22KB6S
Bass
VR7
100K A6S
VR8
2K2B6S
Mid
C45
330N 63V
Master Volume
100K A6S
VR6
LN5
0R0
U6B
TL07 2SM
G
Gs
LN18
0R0SM
4N7 1 00V
R47
10KSM
C20
1N 10 0V
TL07 2SM
C18
R48
10KSM
100K SM
U4B
100PSM
U6A
R32
R25
1KSM
R44
10KSM
C40
-15V
TL07 2SM
+15V
6
6
SCOOP O N /O F F
SW2B
4P2WPSPB
COB
G
R31
2K2SM
Gt
LN19
0R0S M
220N 63V
C22
R49
C41
33KSM
100N 63V
R46
10KSM
C23
1N 10 0V
LN26
0R0SM
Gs
LN17
0R0SM
C14
22N 1 00V
R50
4K7SM
R51
6K8SM
Gs
LN4
0R0
G
R26
39KSM
Gt
R29
15KSM
R30
4K7SM
R27
10KSM
FXSEND
FXRETURN
BLT
Indus tri es
7
Gt
LN3
0R0
G
Gt
22N 1 00V
C13
U4A
TL07 2SM
R28
15KSM
+15V
-15V
R54
1KSM
R36
220K SM
BAS16
LN8
0R0
C43
100N 63V
D9
LN28
0R0SM
Q2
PF3819
0R0S M
LN21
LN9
0R0
G
C38
47PSM
R41
220K SM
-15V
U5A
TL072SM
100K SM
LN24
+15V
0R0SM
Gu
Gu
LN25
0R0SM
G
LN23
0R0SM
CLEAN DSP Level
VR10
22KB6S
R43
100K SM
Q5
PF3819
D11
BAS16
R39
DRIVE DSP Level
VR11
22KB6S
G
C17
2U2 6 3V
DSP HEADER
123456
HD2
PTA0
PTA1
PTA2/IRQ
PTA3
PTA4
PTA5/OSC
123456
+5VDSP
+15V
-15V
FX Ret urn
FX Send
DG
HD1
NOTE: All resistors to be 1/4W unless otherwise stated
NOTE: All capacitors to be rated at 16V or higher
Titl e
TFX1 PREAMP
Numbe r RevisionSize
A2
Da te : 08/09/2003 Sh e et of
File: C:\Documents and Setti ngs \..\9388 _4.Sch Draw n By:
9388 4
7
R40
100K SM
FXSEND
Q4
PF3819
SW4
16PGRY
1
2
3
4
C
G
FXRETURN
D10
BAS16
DSP Program Select
119388_4.Sch
8
C39
47PSM
R42
100K SM
TL072SM
Gu
Rich Thompson
8
U5B
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