Laney Lv300 H Twin SCH
Laney Lv300 H Twin SCH
Laney Lv300 H Twin SCH
Service Information
www.laney.co.uk
22N 400V
C13
270PSM
R14 470KSM
Q2
SST177
22KSM
C29
270PSM
C2
0.47U 63V
D1
BAS16
DRIVE2FET
R6
4K7SM
V1B
ECC83
To Tube PCB
Clean Channel
C3
Treble
270PSM
+15V
VR4
R10
100KSM
C4
220KA6S
100N 63V
Bass
Mid
C5
VR3
D7
C26
Bass
U4B
TL072SM
R75
100KSM
C30
470PSM
470PSM
VR1
100N 63V
VR9
R58
10KSM
R23
C17
10KSM
15KSM
100KA6S
VR6
2K2B6S
R27
1KSM
Q3
SST177
47KSM
39KSM
DRIVE1FET
C34
G
G
22N 100V
C13
R30
15KSM
U4A+15V
C11 R29
C14
4K7SM
22N 100V
CLEAN VOLUME
R22
100KSM
47PSM
R32
220KSM
-15V
C44
U5A
TL072SM
100N 63V
47K SM
R28
-15V
R26
10KSM
15KSM
100KA6S
VR8
Drive 2 Volume
R37
Q5
SST177
TL072SM
R34
1MSM
+15V
G
47KSM
G
22KB6S
R33
Scoop ON/OFF
Mid
Drive 1 Volume
R25
2K2SM
VR10
SPADE4.8
-15V
R15
22KSM
100KA6S
220N 63V
R17
SW3A
4P2WPSPB
COA
Drive2
R40
100KA6S
47KSM
C10
TL072SM
R67
SP4
HUM TRIM
C31
R3
R8
10KSM
VR11
22KB6S
220N 63V
POLYSW0.9
VR10
1KH
1N4007
R20
100KSM
-15V
220KA6S
47N 100V
F2
R62
1K
Treble
4P2WPSPB
COA
C28
100N 50VSM
VR2
B
SPADE4.8
SP3
R24
4N7 100V
HD2WLSJ
22N 100V
C9
U3A+15V
R18
1KSM
R41
Send
G
4K7SM
22N 100V
R45
3K3SM
C15
BRIGHT ON/OFFSW1A
U2A
TL072SM
R7
1MSM
LED5
LED3MMR
DRIVE1FET
330N 63V
D4
BAS16
330N 63V
R17
2K2SM
C6
C20
39KSM
R19
15KSM
SP2
SPADE4.8
R26
820RSM
C44 C45
2K2SM
Scoop ON/OFF
R13
D6
HD3
HD2WL
R12
To Transformer
10U 400V
HD3
FUSEIN
D5
TO PREAMP
R25
470K
Q1
SST177
C23
68K 0.5W
G HD2WLSJ
V1A
ECC83
R24
470K
HD2WL
HD2
G R21
HD1
U3B
TL072SM
C24
R22
100K 0.5W
SP1
F1
C27
VR7
100KB6S
R5
-15V
C21
10U 400V
LED5 C7 LED3
D4
DRIVE2
C12
R71
R16
1KSM
10K 5W
C22
10U 400V
SW2A
4P2WPSPB
COA
Drive1
R28
10K 5W
R23
100K 0.5W
100N 50VSM
22N 100V
LED3MMR
R27
1 2
1MSM
G
U2B
TL072SM
D2
C27
22KSM
BAS16
R4
Input
47PSM
C8
R66
D3
BAS16
2 1
C1
10N 100V
R2
10KSM
SK1
VR5
100KA6S
C1
470P 1KV
DRIVE1
D3
LED3MMR
LED6 LED4
+15V
MJACK
C25
1 1 2
2 1 1
DRIVE2FET
Q7
SST177
R54
100KSM
BR16BU
4W LOOM TO
OUTPUT/FX/LOOP
VIBE ON/OFF
LN2
C26
C
G
3R3 2W5
Note:
-15V
C47
C25
100KSM
C40
100N 50VSM
10U 50V
Note:G
2P2WPS
SW4A
MUTE
C21
1N 100V
C19
6K8SM
1N 100V
TL072SM
U6B
R36
Q4
SST177
C45
C48 1U 10VSM
1U 10VSM
VR12
22KB6S
R38
2K2 SM
Return
10K SM
R39
100KSM
G
G
Clean Active
+15V
C LINES = ACTIVE LO
CLEAN CHANNEL
SWITCH
R73
SW1C
4P2WPSPB
VDD
PTA5
PTA4
PTA3
VSS
PTA0
PTA1
PTA2
DRIVE 1 SWITCH
8
7
6
5
10KSM
SW2C
4P2WPSPB
R68
22KSM
3
TS1
BC847B
11
R11
COC
R74
DRIVE 2 SWITCH
SW3C
4P2WPSPB
10KSM
G
G
Q9
SST177
Drive 1 Active
U7E
10
LED3MMRHB
CD4069UBE 3K3SM
LED2
Footswitch
DRIVE1FET
150K SM
C38
100N 50VSM
G
+5V
C35
100N 50VSM
R76
100KSM
R43
CD4069UBE
R70
U7C
22KSM
5
6
R64
10KSM
G
CD4069UBE
U7B
4
VR13
22KB6S
10K SM
R62
100KSM
CLEANFET
C39
100N 50VSM
150K SM
1U 10VSM
C49 R61
Q6
SST177
LED3MMGHB
LED1
R44
G
+15V
M68HC908QT4
Clean FS A0
D1/D2 FS SW A2
Clean FP A3
D1 FP A4
D2 FP A5
U7F
12R9
3K3SM
CD4069UBE
+15V G
R59
10KSM
COC
C33
1
2
3
4
13
CD4069UBE
U7A
2
+5V
R72
100N 50VSM
MCU1
TS2
BC847B
10KSM
G
+5V
R69
22KSM
1
R60
10KSM
6 5 4 3 2 1
10KSM 10KSM
+15V
10KSM
TL072SM
A0
A1
A2
A3
A4
A5
6 5 4 3 2 1
R48
R35
2U2 63V
CLEANFET
HD2
R51
U5B
C16
Programming Header
HD5
4K7SM
TL072SM
330N 63V
+5V
+5V
+15V
-15V
G
Return
Send
C23
C24 U6A
10KSM
4K7SM
100N 63V
R50
10KSM
R46
100PSM
R65
R53
4K7 SM
C43
100N 50VSM
+15V
PTA0
PTA1
PTA2/IRQ
PTA3
PTA4
PTA5/OSC
4N7 100V
Q8
SST177
R57
C18
10KSM
R52
C41 33KSM
C42
-15V
R56
100KSM
+5V
C46
10U 50V
100N 50VSM
100N 50VSM
+15V
U1
LM7805
IN OUT
GND
R1
2K2SM
+5V
LN1
100N 50VSM
2 4 6 8 10
1 3 5 7 9
HD4
HD10W.5
R55
FX SEND/LINE OUT
CLEANFET
47PSM
R31
330N 63V
C22
R47
R49
Reverb Return
C32
BRKT1
TS3
BC847B
Drive 2 Active
U7D
8
R21
CD4069UBE
3K3SM
LED3MMRHB
LED7
R42
DRIVE2FET
150K SM
D
C37
100N 50VSMG
SteelPark Road
Title: TUBE HYBRID GUITAR PREAMP
Coombs Wood
Size: A3 Number: 9402
Revision: 2 Industrial Estate West
Date: 17/05/2006 Time:09:34:37 Sheet 1 of 1 Halesowen
UK
Original File: 9402_2.sch
www.laney.co.uk
1
4W FOOTSWITCH INTERFACE
Gc
FX2
DRIVE2
CLEAN
FX1
POLYSW0.9
SPADE4.8
C5
100nF
AC
-V
SP7
D10 D14
1N4007
R12
22K
DRIVE1
TS8
MPSA42
R31
100K
SPADE4.8
D15 D11
CLEAN
2K2
FX RETURN
R10
1 3 5 7 9
2 4 6 8 10
C22
Gi2
RLY1B
RLY1C
R13
22K
-15V
TO PREAMP/FX/LOOP
1nF
C2
D2
3V9 0.5W
D1
3V9 0.5W
R27
22K
Gi2
VR1 1K
Gi2
0R0
LN5
C10
R24
D6 1N4148
G
R14
0R22 5W
R18
6K8
C7
47pF
R22
220R
R23
10R 2W5
D7
1N4148
100pF
100nF
LN4
0R0
C4
TestPoint2
TESTPOINT PIN
C13
TS5
MPSA42
220R
R7
LN3
0R0
SP6
1N4148
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
1N4148
D3
TS9
MPSA42
-45V2
TS3
MPSA92
TS1
MPSA92
2P2W1A
10uF
OFFSET ADJ
C1
2.2uF
R2
100R
100nF
Gi2
1K
FX
4W FOOTSWITCH WIRING
TS7
SAP16N
TS6
MPSA92
100K
R5
R1
100R
+15V HD1
220R
R11
TS4
MPSA92
TS2
MPSA92
SK2
MJACKG
R3
DRIVE2
+45V
Gi2
DRIVE1
R9
100R R8
1K
FX SEND
HD10W
1K
TS12
MPSA42
C23
100uF
SK3
MJACK
1K
8V~
Gi2
0R0
LN1
1K
C6
10uF
RLY1A
2P2W1A
R30 D4
1K
1N4007
9 7 5 3 1
SP5
1K
5
9
F1
1.5A 200V
HD2
10 8 6 4 2
+V
AC
470uF
C21
C20
10uF
C19
100nF
Chassis GND
HD10W
BR4
U1 LM7805
OUT IN
GND
C30
C26
C29
6
C27
+5V
Internal Loudspeaker
C28
C25
C24
BLT005103
MFR-090
SK6
1 DB09M
Gc
+5V
+5V
D9
1N4007
0R0
LN9
SAP16P
TS11
R28
220R
0R0
LN8
-45V2
R29
0R22 5W
G
-45V
Chassis
Fuse
Mains Switch
AC Line(Live)
+45V
~12V TO TUBE
PCB 9394 SP1/SP2
~200V TO TUBE
PCB 9394 SP3/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
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
C17
470uF
D13
C18
470uF
-15V
-45V
FP
+15V
100nF
C14
SP3
BR1
AC Input (Neutral)
Transformer Primary
R26
680R 5W
15V 1.3W
Black(Brown)
Green/Yellow
15V 1.3W
Mains In
IEC Inlet
-45V2
R25
Steelpark Road
Title: 120W GUITAR OUTPUT MODULE
Coombs Wood
Size: A3 Number: 9397
Revision: 5 Industrial Estate West
Date: 17/05/2006 Time:09:39:21 Sheet 1 of 1 Halesowen
UK
Original File: 9397_6.Sch
www.laney.co.uk
4
4W FOOTSWITCH INTERFACE
Gc
C5
100nF
P0SP501
SP7
SPADE4.8
P0D110aP0D110k
P0D150aP0D150k
P0D140kP0D140a
P0SP701
D15 D11
CLEAN
C6
10uF
RLY1A
G5V-2-H1 2A 5V
FX
4W FOOTSWITCH WIRING
P0SK40GND
P0SK40SWGND
P0SK40TIP
P0SK40SWTIP
P0D50a P0D50k
P0R2301
P0C1602P0C1601
P0SP401
SP6
SPADE4.8
C16
47nF
R23
10R 2W5
STD03P
TS11
P0TS110B
0R0
LN8
P0R2902
0R0
LN9
P0LN902
P0LN901
D9
1N4007
R28
220R
P0R2901
C13
P0R2802
P0C1301
P0C1302
P0TS110E
100nF
P0TS110D
TestPoint2
P0LN802
P0LN801
-45V2
SPADE4.8
R20
330R
SK4
MJACK
P0L102
P0SP601
P0R1402
P0R2101
1N4148
P0R2001
P0R2302
P0R2002
P0D80k P0D80a
P0R2102
P0VR20TOP
P0R2201
P0VR20BOT
P0R1901
D7
1N4148
Internal Loudspeaker
P0TS70C
P0TS70E
10R 2W5
L1
R21
0R22 5W
Extension Loudspeaker
SP4
P0R2402
P0R2801
P0LN302
P0LN301
VR2
P0VR20WIPER
470R
D8
P0R1902
TS5
MPSA42
LN3
0R0
P0R2401
COIL20T
P0TS110C
220R
R7
P0R2202
P0C110NP0C110P
R19
6K8
LN4
0R0
P0TS503
R22
220R
BIAS ADJ
TS10
MPSA92
P0TS1002
R24
R14
0R22 5W
P0L101
P0TS501
P0R701
P0TS502
P0R1801
D6 1N4148
P0D60a P0D60k
G
C11
2.2uF
P0LN401
P0LN402
C4
P0R1701
P0R1401
P0TS901
C7
47pF
150R
R6
P0C401 P0C402
P0R1702
D5
1N4007
TestPoint1
R17
330R
P0R1802
P0R1601P0C702 P0C701
R16
220R
C10
P0R1501
P0R702
1N4148
D3
TS9
MPSA42
P0TS902
R18
6K8
100pF
P0C1001
P0C1002
P0TestPoint201
P0R1602
100nF
P0TS70D
P0R1102
P0TS601
P0R1101
P0R502
P0R601
LN2
0R0
C3
47uF
TS7
STD03N
P0TS70B
TS6
MPSA92
P0TS903
P0D30k P0D30a P0TS603
P0R501
Gi2
R15
10K
P0R1502
220R
R11
P0TestPoint101
P0TS401
100K
R5
0R0
P0LN502
P0LN501
LN5
P0TS302
P0C30N P0C30P
TS1
MPSA92
P0TS301
P0TS101
R10
-45V2
TS3
MPSA92
P0LN201
P0LN202
Gi2
P0TS602
P0TS1001
Gi2
VR1 1K
P0TS303
10K
R4
R2
100R
P0R1001
P0D70k P0D70a
P0TS1003
Gi2
1nF
C2
P0R202
P0R201
P0TS203
Gi2
D2
3V9 0.5W
D1
3V9 0.5W
P0R402
G5V-2-H1 2A 5V
R27
22K
Gi2
2K2
P0VR10BOT
P0TS103
R13
22K
TS4
MPSA92
P0TS402
P0R1002
P0R602
TO PREAMP/FX/LOOP
P0RLY1B0NO1
P0RLY1C0NO2
P0TS102
P0R401
P0R1301
-15V
P0C10N P0C10P
P0C201 P0C202
P0HD102P0HD101
10uF
P0RLY1B0CO1
P0RLY1C0CO2
P0D10a P0D10k
P0D20k P0D20a
1K
P0HD104P0HD103
P0R302
P0C220P
P0C220N
C1
2.2uF
P0R2702
P0R301
RLY1B
RLY1C
P0RLY1B0NC1
P0RLY1C0NC2
P0R2701
P0HD106P0HD105
OFFSET ADJ
P0VR10TOP
Gi2
P0R802
TS2
MPSA92
P0R101
R1
100R
P0R102
SK2
MJACKG
C22
P0R801
P0TS202
FX RETURN
P0SK20GND
P0SK20SWGND
R3
R9
100R R8
1K
P0TS403
P0R902
P0TS201 P0R901
FX SEND
P0R1302
P0HD108P0HD107
+15V HD1
SK3
MJACK
P0VR10WIPER
P0SK30GND
P0SK30SWGND
P0SK30TIP
P0SK30SWTIP
1 3 5 7 9
2 4 6 8 10
P0HD1010
P0HD109
DRIVE2
+45V
Gi2
HD10W
DRIVE1
P0TS1201
C23
100uF 25V
Gi2
P0SK20TIP
P0SK20SWTIP
1K
8V~
TS12
MPSA42
P0TS1202
1K
SPADE4.8
Gi2
0R0
P0LN102
P0LN101
LN1
1K
P0C60N P0C60P
P0RLY1A0COIL2
P0TS1203
P0RLY1A0COIL1
P0D40a P0D40k
P0R3001
TS8
MPSA42
P0TS801
R31
100K
P0C230NP0C230P
P0R3101
P0R3102
P0TS802
R30 D4
1K
1N4007
P0R1202
R12
22K
P0TS803
P0R3002
P0R1201
10 8 6 4 2
9 7 5 3 1
P0HD205P0HD206
HD10W
AC
-V
P0BR40AC2
P0BR400V
DRIVE1
P0HD209
P0HD2010
POLYSW0.9
D10 D14
1N4007
P0HD201P0HD202
P0HD207P0HD208
470uF
C21
P0F102
1.5A 200V
HD2
P0HD203P0HD204
P0BR40+V
P0BR40AC1
P0D100kP0D100a
FX2
DRIVE2
CLEAN
FX1
C19
100nF
+V
AC
P0C502 P0C501
Chassis GND
P0C210NP0C210P
P0F101
1K
5
9
SP5
F1
BR4
U1 LM7805
P0U103
P0U101
OUT IN
GND
C20
10uF
P0U102
P0C200NP0C200P
+5V
P0C1902P0C1901
P0SK606
P0SK607
P0SK608
SK6
1 DB09M
P0SK60BO2
P0SK609
P0SK60BO1
BLT005103
MFR-090
P0D90a P0D90k
P0SK601
P0SK602
P0SK603
P0SK604
P0SK605
+5V
Gc
+5V
R29
0R22 5W
-45V
Mains Transformer
230V = 5600-2062B
120V = 5600-2064B
SPADE4.8
SP2
MAINS TRANSFORMER
AC
-V
P0BR10AC2
P0BR100V
6A 200V
P0SP201
220nF 250V
C15
SPADE4.8
P0R2501
P0HS201
P0HS202
P0HS101
P0HS102
-45V
FP
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
-45V2
P0R2502
D13
P0C170NP0C170P
P0D120aP0D120k
100nF
4700uF 63V C8
C12
D12
P0C180NP0C180P
P0SP101
+V
AC
P0BR10+V
P0BR10AC1
15V 1.3W
SPADE4.8
SP1
100nF
4700uF 63V C14
P0D130aP0D130k
BR1
C9
+15V
P0R2602
680R 5W
15V 1.3W
SP3
P0SP301
AC Input (Neutral)
Transformer Primary
R26
P0R2601
P0C1401
P0C1402
~12V TO TUBE
PCB 9394 SP1/SP2
+45V
P0C801 P0C802
Chassis
P0C90N P0C90P
Green/Yellow
Fuse
P0C120NP0C120P
Black(Brown)
~200V TO TUBE
PCB 9394 SP3/SP4
P0C1501P0C1502
Mains In
IEC Inlet
C17
470uF
G
C18
470uF
-15V
R25
Steelpark Road
Coombs Wood
Industrial Estate West
Halesowen
UK
www.laney.co.uk
7
G
G
DB09M
SK1
5
9
HD6WL
HD1
1 2 3 4 5 6
1 2 3 4 5 6
HD2
+5V
G
G
+5V
HD6WL
R1
1K
R2
1K
R3
1K
R4
1K
6
LN1
0R0
Clean
PCB 9404
SW1A
SW1B
Channel
LED2
LED3
D1
D2
SW2A
LED4
Reverb
SW2B
D1/D2
G
C
LED1
LEDGreen
SW3A
SW3B
Reverb
PCB 9403
Channel = A0
FSCon = A1
D1/D2 = A2
Clean A0 active lo
Drive A0 active Hi
Drive1 A2 Active lo
Drive2 A2 Active Hi
D
Title
Size:
A4
Number: 9402
Date: 07/05/2004
File: 9403_1.sch
1
Time: 10:19:41
Revision:
Sheet 1 of 1
BLT Industries
Newlyn Road
Cradley Heath
West Midlands
B64 7QD. UK
BLT
Industries
4
Laney
Model No.
LV300
SPARES ITEM
Mains Transformer
Reverb Unit
Loudspeaker
Switch
Mains Fuse
Corner
Jack Sockets
PCB's
Tube
Tube Base
Badge
Control Knob
Handle
Mains Inlet Socket
Footswitch
Footswitch Lead
Mains Lead
Feet
Output / Safety Critical
Device
DESCRIPTION
100V
120V
230V
1
2
1
2
3
4
5
6
7
Cabinet Minus Loudspeaker
Manual
PART No.
006218
006175
006174
51200
530027
005561
005526
007140
007085
10048
005097
005132
005002
007164
007004
005099
007173
007436
004062
004071
004078
004063
004061
005017
005300
005548
ECC83 Std
005579
B9A Plastic Tube Base
10056
Large Laney Badge
005628
Small Chicken Head
007167
Strap Handle (S/Steel Caps)
005005
IEC Mains Inlet Socket Fused
10026
LVFS3
Footswitch Lead (9W D type F/F)
007393
Country Dependant
10059
Screw on Rubber Feet
003807
SAP15N Darlington Power (NPN) OBSOLETE
003808
SAP15P Darlington Power (PNP) OBSOLETE
STD03N Darlington Power (NPN) Replacement for above003817
STD03P Darlington Power (PNP) Replacement for above 003818
0R22 5% 5W Emitter Resistor (1 Reqd.for each STD Dev 007036
If you experience difficulty fitting, contact Laney service
4700uF 63V Radial Capacitor
002006
680R 6W Resistor
001705
T100mA Fuse
005586
10K 5W Resistor
001714
0.9A Poly Switch MFR090
005103
Carcass minus L/Speaker LV300
007108
LV300 User Manual
007110
Laney
Model No.
LV300 TWIN
SPARES ITEM
Mains Transformer
Reverb Unit
Loudspeaker
Switch
Mains Fuse
Corner
Jack Sockets
PCB's
Tube
Tube Base
Badge
Control Knob
Handle
Mains Inlet Socket
Footswitch
Footswitch Lead
Mains Lead
Feet
Output / Safety Critical
Device
DESCRIPTION
100V
120V
230V
PART No.
Laney
Model No.
LV300H
SPARES ITEM
Mains Transformer
Reverb Unit
Switch
Mains Fuse
Corner
Jack Socket
PCB's
DESCRIPTION
100V
120V
230V
Power
100-120V
220-240V
Front/Back
9401
9397
Socket
9394
9402
Pots
Switch
Tube
Tube Base
Badge
Control Knob
Handle
Mains Inlet Socket
Footswitch
Footswitch Lead
Mains Lead
Feet
Output / Safety Critical
Device
1
2
1
2
3
4
5
6
7
Cabinet
Manual
PART No.
006218
006175
006174
530027
005561
005526
10048
005097
005132
005002
007164
007004
005099
007173
007436
004062
004071
004078
004063
004061
SW4
2P2W Push Switch
005017
SW1/2/3
Piggyback Push Switch 4P2W Double
005300
ECC83 Std
005548
B9A Plastic Tube Base
005579
Large Laney Badge
10056
Small Chicken Head
005628
Strap Handle (S/Steel Caps)
007167
IEC Mains Inlet Socket Fused
005005
LVFS3
10026
Footswitch Lead (9W D type F/F)
007393
Country Dependant
Screw on Rubber Feet
10059
SAP15N Darlington Power (NPN) OBSOLETE
003807
SAP15P Darlington Power (PNP) OBSOLETE
003808
STD03N Darlington Power (NPN) Replacement for above 003817
STD03P Darlington Power (PNP) Replacement for above 003818
0R22 5% 5W Emitter Resistor (1 Reqd.for each STD Devic007036
If you experience difficulty fitting, contact Laney service
4700uF 63V Radial Capacitor
002006
680R 6W Resistor
001705
T100mA Fuse
005586
10K 5W Resistor
001714
0.9A Poly Switch MFR090
005103
Carcass LV300H
007111
LV300H User Manual
007112