Laney tfx3 H Twin SCH PDF
Laney tfx3 H Twin SCH PDF
Laney tfx3 H Twin SCH PDF
Service Information
Laney
Classic British Amplification
Q2
SST177
22KSM
D1
BAS16
DRIVE2FET
R6
4K7SM
HD2WL
HD2
G R21
HD1
U3B
TL072SM
1 2
C29
270PSM
C2
0.47U 63V
V1B
ECC83
Clean Channel
C3
Treble
270PSM
+15V
VR4
R10
100KSM
C4
220KA6S
100N 63V
Bass
VR2
R8
10KSM
VR3
D7
1N4007
C30
470PSM
470PSM
C31
C26
D3
C24
C27
1KSM
Treble
4N7 100V
R20
100KSM
VR11
22KB6S
Bass
220N 63V
U4B
TL072SM
R75
100KSM
C10
TL072SM
100N 63V
R58
10KSM
SP4
R23
C17
15KSM
2K2B6S
R27
1KSM
Q3
SST177
47KSM
39KSM
DRIVE1FET
C36 R41
FXSEND
100N 63V 1KSM
C34
G
G
22N 100V
C13
R30
15KSM
U4A+15V
C11 R29
C14
4K7SM
22N 100V
R28
-15V
R26
10KSM
15KSM
U5A
Drive 2 Volume
100KA6S
VR8
Q5
SST177
R37
DRIVE2FET
Q7
SST177
R54
100KSM
VIBE ON/OFF
CLEANFET
LN2
0R0
R1
3R3 2W5
HD10W.5
-15V
C26
100N 50VSM
G
C47
Note:
C25
100N 50VSM
0R0 U1
LM7805
IN OUT
GND
10U 50V
G
Note:G
+5V
+15V
C LINES = ACTIVE LO
R69
22KSM
1
COC
R73
CLEAN CHANNEL
SWITCH
A7
SW1C
4P2WPSPB
+5V
R68
22KSM
3
R59
10KSM
R72
COC
1 1 2 3 4 5 6 7 8 9 10
SW2C
4P2WPSPB
G
CD4069UBE
U7B
4
COC
DRIVE 2 SWITCH
10KSM
G
Q6
SST177
R11
TS3
BC847B
R63
10KSM
G
G
R38
DRIVEFXFET
100KSM
LED3MMRHB
C35
100N 50VSM
G
G
DRIVE1FET
C38
100N 50VSM
150K SM
CD4069UBE
U7C
6
Drive 2 Active
U7D
8
R21
CD4069UBE
LED3MMRHB
3K3SM LED7
R42
DRIVE2FET
C37
100N 50VSM
150K SM
G
R42,R43,R44 100K>330K
R31,R35 100K>10K
C45,C48,C49 100N>1uF
Revision History
Eliminate
Switch noise
R62
100KSM+5V
R76
100KSM
C49 1U 10VSM
FXRETURN2
R70
22KSM
5
R74
SW3C
4P2WPSPB
TL072SM
U6B
C21
1N 100V
C48 1U 10VSM
FXRETURN1
+5V
R39
100KSM
R61
10KSM
G
R36
CLEANFXFET
100KSM
C33
100N 50VSM
R43
+5V
HD10WLSJ
10KSM 10KSM
G 1U 10VSM
C19
6K8SM
1N 100V
Drive 1 Active
U7E
10
11
R64
10KSM
R48
Q4
SST177
C45
TL072SM
CLEANFET
C39
100N 50VSM
150K SM
TS1
BC847B
10KSM
R51
R35
10KSM
2U2 63V
R46
+15V
R50
10KSM
R44
G
+15V
R53
3K3SM
U5B
C16
LED3MMGHB
12R9
3K3SM LED1
G
CD4069UBE
+5V
DRIVE 1 SWITCH
4K7SM
TL072SM
330N 63V
4K7SM
Clean Active
U7F
13
CD4069UBE
U7A
2
+15V G
HD2
FXRETURN2
FXRETURN1
FXSEND
TS2
BC847B
10KSM
CLEANFXFET
DRIVEFXFET
MUTE
C43
100N 50VSM
+15V
A6
100PSM
C24 U6A
10KSM
100N 63V
C23
R65
R60
10KSM
A5
100KSM
C40
100N 50VSM
4N7 100V
Q8
SST177
R57
C18
10KSM
R52
C41 33KSM
C42
2P2WPS
SW4A
-15V
R56
100KSM
+5V
C46
10U 50V
2 4 6 8 10
1 3 5 7 9
+14V
100N 50VSM
HD4
2K2SM
+5V
LN1
47PSM
R31
330N 63V
C22
R47
R49
R55
FX SEND/LINE OUT
+15V
G
C32
+15V
R34
1MSM
BRKT1
BR16BU
4W LOOM TO
OUTPUT/FX/LOOP
TL072SM
47KSM
220KSM
-15V
C44
100N 63V
100KSM
R22
100KSM
47PSM
R32
TL072SM
22KB6S
R33
Scoop ON/OFF
Mid
Drive 1 Volume
100KA6S
VR6
R25
2K2SM
VR10
SPADE4.8
10KSM
22KSM
100KA6S
220N 63V
-15V
R15
SW3A
4P2WPSPB
COA
Drive2
R67
R17
CLEAN VOLUME
U3A+15V
R18
4K7SM
22N 100V
R40
100KA6S
47KSM
22N 100V
C9
R24
VR9
POLYSW0.9
VR10
1KH
R62
1K
HUM TRIM
VR1
R3
Mid
C5
F2
C6
G
100N 50VSM
220KA6S
47N 100V
SPADE4.8
SP3
R19
15KSM
C20
4P2WPSPB
COA
C28
-15V
HD2WLSJ
Scoop ON/OFF
39KSM
SP2
SPADE4.8
R45
3K3SM
C15
BRIGHT ON/OFFSW1A
U2A
TL072SM
R7
1MSM
LED5
LED3MMR
330N 63V
330N 63V
D4
BAS16
R17
2K2SM
2K2SM
R13
D6
R26
820RSM
R12
To Transformer
HD3
HD2WL
FUSEIN
D5
HD3
C44 C45
G
C23
7
SW2A
4P2WPSPB
COA
Drive1
SP1
F1
10U 400V
TO PREAMP
R25
470K
To Tube PCB
Q1
SST177
DRIVE1FET
10K 5W
C22
10U 400V
68K 0.5W
G HD2WLSJ
R28
V1A
ECC83
R24
470K
100N 50VSM
22N 400V
C13
R14 470KSM
R5
R27
10K 5W
R23
100K 0.5W
R22
100K 0.5W
270PSM
-15V
C21
10U 400V
LED5 C7 LED3
VR7
100KB6S
C12
R71
R16
1KSM
DRIVE2
1 1 2
22N 100V
LED3MMR
C25
Input
BAS16
1M SM
47PSM
R4
D2
C27
22KSM
U2B
TL072SM
VR5
100KA6S
C8
R66
D3
BAS16
D4
C1
10N 100V
R2
10KSM
1 2
DRIVE1
G
SK1
3
LED3MMR
LED6 LED4
1 1 2
2
+15V
C1
470P 1KV
1
MJACK
BLT
Industries
TFX2/3 PREAMP
Size
Number
9390_6.sch
11/12/2003
Sheet 1 of
C:\Documents and Settings\..\9390_6.sch Drawn By:
Date:
File:
6
Revision
9390
A2
6
1
Rich Thompson
8
TFX4 FOOTSWITCH
SK6
DB09M
+5V
Gc
1
5
9
HD2
BR2
U1
OUT IN
GND
C20
10U 50V
LM7805
C19
100N 63V
C21
470U 16V
+V
AC
SP5
POLYSW0.9
SPADE4.8
AC
-V
1K
5
9
F1
1K
1K
1K
6
A
8V~
SP7
1.5A 200V
SPADE4.8
2 4 6 8 10
1 3 5 7 9
Gc
+5V
FX2
DRIVE2
CLEAN
FX1
DRIVE1
+5V
BLT005103
MFR-090
G
CLEA N
DRIVE1
DRIVE2
FX
HD10W.5
Gi
Gi
R1
100R
FX RETURN
1 3 5 7 9
C1
R3
VR1
1KH
TS1
MPSA92
2U2 63V
1K
C2
D2
3V9 ZD0.5W
D1
Gi
3V9 ZD0.5W
1N 100V
2 4 6 8 10
+15V
2K2
R5
100K
R2
100R
-15V
TO PREAMP/FX/LOOP
Q1
2N3819
Gi
C5
100U 25V
Gmu
C
C3
47U 50V
MPSA42
Gmu
6K8
C7
C11
BIAS ADJ
TS10
R6
150R
C4
33K
Gmu
Gmu
R21
0R22 5W
VR2
470RH
SP4
SPADE4.8
COIL20T
SP6
SPADE4.8
TestPoint2
C13 100N 63V
D9
1N4007
LN9
0R0
R7
220R
SAP16P
TS11
R28
220R
LN8
0R0
-45V2
SK4
MJACKSJ
R23
10R 2W5
TS5
MPSA42
LN3
0R0
Extension Loudspeaker
10R 2W5
L1
C16
47N 100V
R20 330R
LN4
0R0
100P 100V
C6
1U 63V
MPSA92
D7
1N4148
Gi
R13
R12
10K
R22
220R
2U2 63V
47P 50V
R24
R14
0R22 5W
D6 1N4148
G
R18
Gi
1N4148
TS8
R16
10K
220R
LN10
0R0
D4
TestPoint1
R15
LN5
0R0
D5
1N4007
R17
330R
MPSA42
TS3
MPSA92
Gi
Gmu
D3
1N4148
TS9
-45V2
R4
10K
TS7
SAP16N
TS6
MPSA92
OFFSET ADJ
Gi
HD1
R10
MPSA92
SK2
MJACKGSJ
R11
220R
TS4
MPSA92
1K
TS2
R9
100R R8
FX SEND
Internal Loudspeaker
+45V
SK3
MJACKSJ
LN1
0R0
R29
0R22 5W
G
-45V
Mains In
IEC Inlet
Black(Brown)
Green/Yellow
~12V TO TUBE
PCB 9394 S P1/SP2
~200V TO TUBE
PCB 9394 S P3/SP4
LN6
0R0
White (Blue)
AC Input (Neutral)
Transformer Primary
+45V
SP3
R26
D11
D10
1N4007 1N4007
SPADE4.8
SP1
BR1
+15V
680R 5W
C9
4700U 63V
C14
100N 63V
D12
15V ZD1.3W
+V
AC
C17
470U 16V
C15
Mains Transformer
230V = 5600-2062B
120V = 5600-2064B
SPADE4.8
SP2
220N 250V
AC
-V
G
C12
6A 200V
MAINS TRANSFORMER
4700U 63V
SPADE4.8
NOTE:
Set VR2 to give 20mV across TP1 and TP2
Refer to service manual before adjusting bias preset
Set VR1 to give 0mV across LS+, LS-
D13
15V ZD1.3W
G
C18
470U 16V
D
R25
-15V
-45V
FP
C8
100N 63V
680R 5W
-45V2
Title
LN7
0R0
BLT
Industries
Gmu
TFX3 OUTPUT
Size
Date:
File:
Number
A3
23/10/2003 9397_4.Sch
D:\9397_4\9397_4.Sch
7
Revision
9397
Sheet 1 of
Drawn By:
1
Rich Thompson
8
TFX4 FOOTSWITCH
Gc
1
+5V
BR4
U1 LM7805
OUT IN
GND
FX2
DRIVE2
CLEAN
FX1
DRIVE1
HD2
2 4 6 8 10
1 3 5 7 9
Gc
+V
AC
470uF
C21
C20
10uF
C19
100nF
SP5
POLYSW0.9
SPADE4.8
C5
100nF
AC
-V
SP7
D10 D14
1N4007
R12
22K
SPADE4.8
D15 D11
CLEA N
R9
100R R8
1K
Gi2
2K2
FX RETURN
R10
Gi2
1 3 5 7 9
1K
FX
C22
Gi2
10uF
TO PREAMP/FX/LOOP
2P2W1A
R27
22K
Gi2
VR1 1K
Gi2
1nF
C2
D2
3V9 0.5W
D1
3V9 0.5W
0R0
LN5
C10
R24
D6 1N4148
G
R14
0R22 5W
R18
6K8
C7
47pF
R22
220R
1N4148
D7
1N4148
100pF
100nF
LN4
0R0
C4
TestPoint2
TESTPOINT PIN
C13
TS5
MPSA42
C
220R
R7
LN3
0R0
XCLAM
SP6
R23
10R 2W5
G
R20
330R
SPADE4.8
C16
47nF
D8
TS10
MPSA92
150R
R6
SK4
MJACK
SP4
10R 2W5
L1
R21
0R22 5W
VR2
470R
BIAS ADJ
R19
6K8
Gi2
Extension Loudspeaker
SPADE4.8
C11
2.2uF
Gi2
LN2
0R0
TestPoint1
COIL20T
R16
220R
Gi2
D5
1N4007
TESTPOINT PIN
R17
330R
R15
10K
C3
47uF
10K
R4
Gi2
100nF
1N4148
D3
TS9
MPSA42
-45V2
TS3
MPSA92
TS1
MPSA92
R13
22K
-15V
OFFSET ADJ
C1
2.2uF
RLY1B
RLY1C
R2
100R
TS7
SAP16N
TS6
MPSA92
100K
R5
R1
100R
2 4 6 8 10
220R
R11
TS4
MPSA92
TS2
MPSA92
SK2
MJACKG
+15V HD1
DRIVE2
+45V
FX SEND
R3
DRIVE1
TS12
MPSA42
C23
100uF
SK3
MJACK
1K
Gi2
HD10W
1K
8V~
C6
10uF
RLY1A
2P2W1A
R30 D4
1K
TS8
MPSA42
R31
100K
1K
1.5A 200V
HD10W
0R0
LN1
1K
5
9
F1
Internal Loudspeaker
SK6
DB09M 5
+5V
BLT005103
MFR-090
1N4007
+5V
D9
1N4007
0R0
LN9
SAP16P
TS11
R28
220R
0R0
LN8
-45V2
R29
0R22 5W
G
-45V
Green/Yellow
White (Blue)
+45V
~12V TO TUBE
PCB 9394 S P1/SP2
~200V TO TUBE
PCB 9394 S P3/SP4
Mains Transformer
230V = 5600-2062B
120V = 5600-2064B
SPADE4.8
SP2
220nF
C15
G
C12
100nF
C8
+V
AC
AC
-V
6A 200V
MAINS TRANSFORMER
4700uF
C9
SPADE4.8
SP1
4700uF
SPADE4.8
-45V2
C17
470uF
D13
C18
470uF
R25
NOTE:
Set VR2 to give 20mV across TP1 and TP2
Refer to service manual before adjusting bias preset
Set VR1 to give 0mV across LS+, LS-
680R 5W
D12
-15V
-45V
FP
+15V
100nF
C14
SP3
BR1
AC Input (Neutral)
Transformer Primary
R26
680R 5W
15V 1.3W
Black(Brown)
15V 1.3W
Mains In
IEC Inlet
Title
BLT
Industries
TFX3 OUTPUT
Size
Date:
File:
Number
A3
15/12/2003 9397_5.Sch
D:\9397_5\9397_5.Sch
7
Revision
9397
Sheet 1 of
Drawn By:
1
Rich Thompson
8
DRIVE FX PROGRAM
SW7
16PGRY
SW8
16PGRY
C
C
1
2
3
4
DFX1
DFX2
DFX3
DFX4
CFX1
CFX2
CFX3
CFX4
1
2
3
4
DRIVE FX ACTIVE
LED2
DRIVEFX
+5V
4W LOOM TO
PREAMP/OUTPUT/LOOP
TO FOOTSWITCH
C7
C5
C3
D4
D2
D1
LED3MMG1K
CFX1
CFX2
CFX3
CFX4
HD1
HD40WM
R2
C6
C4
DFX4
DFX3
DFX2
DFX1
39 37 35 33 31 29 27 25 23 21 19 17 15 13 119 7 5 3 1
40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 108 6 4 2
+15V
G
-15V
G
+5V
CLEA N FX
HD4
1 1 2 3 4 5 6 7 8 9 10
40
39
D0
LED1
2 4 6 8 10
1 3 5 7 9
HD3
2
1
R1
+5V
LED3MMG1K
CLEAN FX ACTIVE
+15V
G
-15V
DRIVE1FS
FXSW1
DRIVE2FET
DRIVE1FET
CLEANFET
CLEANFXFET
DRIVEFXFET
G
FXRETURN2
FXRETURN1
FXSEND
VR1
22KB6S
R3
10K
CLEAN FX LEVEL
+5V
HD10WLSJ
C1
470F
VR2
22KB6S
R4
DRIVE FX LEVEL
10K
G
R5
VR3
22KB6S
VR4
22KB6S
10K
G
R6
10K
G
D
BRKT2
BR16BU
Title
Revision History
BLT
Industries
Number
A3
9393_5.Sch
13/10/2003
D:\9393_5\9393_5.Sch
7
Revision
9393
Sheet 1 of
Drawn By:
1
Rich Thompson
8
BLT Industries
TFX3E
007981
005005
005511
005136
005526
005558
005665/CP
006132
007985
001305
001306
001309
001310
001312
001315
001316
001317
001318
001319
001326
001327
001331
001336
001706
002013
002024
002037
002038
002414
002415
002416
002419
002420
002421
002602
002603
002604
002605
002831
003014
003022
003033
003500
003508
003905
004061
004062
004063
005002
005017
005066
005079
005089
005127
005300
005503
009390
007987
003022
004061
005036
005079
005127
005129
005131
009393
007989
001003
001005
001007
001009
001014
001016
001018
001021
15/05/2003
Quantity
1.0000
1.0000
2.0000
1.0000
1.0000
5.0000
17.0000
1.0000
1.0000
3.0000
6.0000
2.0000
17.0000
4.0000
2.0000
2.0000
2.0000
1.0000
6.0000
5.0000
4.0000
1.0000
1.0000
1.0000
1.0000
1.0000
4.0000
2.0000
2.0000
1.0000
2.0000
2.0000
7.0000
2.0000
3.0000
1.0000
1.0000
2.0000
12.0000
1.0000
1.0000
2.0000
2.0000
5.0000
1.0000
2.0000
7.0000
2.0000
1.0000
1.0000
2.0000
1.0000
3.0000
1.0000
3.0000
4.0000
1.0000
1.0000
2.0000
2.0000
2.0000
1.0000
1.0000
1.0000
4.0000
1.0000
1.0000
3.0000
1.0000
2.0000
4.0000
3.0000
1.0000
3.0000
3.0000
BLT Industries
001500
001703
001710
001920
002004
002006
002014
002024
002025
002402
002414
002419
002425
002800
002817
003000
003006
003007
003014
003016
003409
003411
003412
003807
003808
004000
004010
005006
005009
005045
005079
005097
005132
005134
005135
005686
009391
007991
001000
001003
001205
001207
001304
001310
001327
001714
002015
002024
002037
002420
002804
002814
003000
003033
004000
005022
005586
005066
005103
005548
005579
005686
009394
008322
009161
009171
009173
009175
009181
009190
009214
530027
540038
541004
581001
584062
584063
588058
588006
8M-8883
8SP-8883
10702
10970
20118
005536
009170
10039
10055
10062
10063
10157
10200
10202
10211
10221
10224
10226
15/05/2003
3.0000
3.0000
2.0000
8.0000
3.0000
2.0000
1.0000
2.0000
1.0000
1.0000
1.0000
4.0000
1.0000
1.0000
1.0000
4.0000
1.0000
2.0000
2.0000
1.0000
1.0000
3.0000
6.0000
1.0000
1.0000
1.0000
1.0000
1.0000
2.0000
1.0000
2.0000
2.0000
1.0000
1.0000
2.0000
5.0000
1.0000
1.0000
2.0000
1.0000
1.0000
2.0000
1.0000
1.0000
1.0000
2.0000
3.0000
1.0000
1.0000
2.0000
4.0000
1.0000
5.0000
1.0000
1.0000
1.0000
1.0000
2.0000
1.0000
1.0000
1.0000
4.0000
1.0000
1.0000
2.0000
2.0000
1.0000
1.0000
1.0000
4.0000
1.0000
1.0000
1.0000
9.0000
8.0000
1.0000
1.0000
4.0000
2.0000
1.0000
1.0000
1.0000
1.0000
1.0000
2.0000
4.0000
6.0000
4.0000
1.0000
1.0000
1.0000
2.0000
2.0000
4.0000
10.0000
12.0000
120.0000
BLT Industries
10231
10234
10240
10241
10245
10249
10260
10261
10301
10302
10308
10328
10420
10424
10600
10622
10629
10897
10982
51200
541004
15/05/2003
2.0000
12.0000
4.0000
4.0000
2.0000
4.0000
6.0000
1.0000
0.3500
1.0000
0.3500
0.8000
1.0000
1.0000
12.0000
1.0000
1.0000
6.0000
1.0000
1.0000
4.0000