Laney R2 Schematic

R2

Service

Service

Information

Information

Laney

Classic British Amplification

Newlyn Road, Cradley Heath, West Midlands. B64 6B£

www.laney.co.uk

1

G G

Passive

MJACK

SK1

G

A A

B B

C C

D D

LN8

0R0SM

SK2
MJACKG

P1
WIREPA D

Electronic GND

DIRECT OUT

SK3
XLR3M

3

G

Tuner Out

To PCB 937 8

Output PCB

HD1

10
8

6
4
2

LN6
0R0

21

9
7
5
3
1

+45V-45V

R3
1KSM
100PSM

Active

R71
220R SM

G

G

C26

R69
1K SM

G

+15V

D10
BAS16

D9
BAS16

-15V

R6
10KSM

R67
10KSM

-15V

TL07 2SM

+15V

C4

10N 100V

R4

1MSM

U6A

LN22
0R0SM

G

R76
4K7SM

R75
4K7SM

G

Signal Out
Limiter Signal

R68
10KSM

G

G

0R0
LN7

R73
220R SM

G

C3
2U2 6 3V

R7
10KSM

+15V

TL07 2SM

-15V

C28

270PSM
R5

22KSM

R77
1K SM

2

10U 5 0V

C5

U2A

LN4
0R0

R8
4K7SM

VR1
22KB6 S

G

VR8
100K H

TL07 2SM

LN9
0R0S M

C27

100PSM

Gain

U2B

C29

100PSM

Limiter On

SW2A

2P2WPS

LN10
0R0S M

G

C6

2U2 6 3V

R10
22KSM

G

+15V

CA3094

BAS16 D15

3

R27
10KSM

-15V

0R0SM
LN11

U1

+15V

R15
22KSM

15V Z D1.3W

R47

100K SM

R46

100K SM

D14
BAS16

R38

820RSM

TL07 2SM

LN13
0R0S M

R13

100RSM

G G

BC85 7B

G

D6

C17

G G

C30

470PSM

R30
22KSM

-15V

U3A

+15V

22KSMR922KSM

R12

100RSM

R14
100K SM

TS3

R17
1KSM

+45V-45V

D3
15V Z D1.3W

R49
100K SM

R45

100K SM

22N 100V

R43
820RSM

R32
10KSM

C16
2U2 6 3V

C31

47PSM

R36
33KSM

TL07 2SM

+15V

-15V

4

C10

R29
22KSM

2N2 1 00V

R25
33KSM

C9

R31
47KSM

47N 1 00V

R35

C12

47KSM

220N 63V

R24
4K7SM

Enhance

R34

TL07 2SM

U4A

0R0S M

VR2
22KB6S

G

R37
22KSM

R44
470K SM

LN2
0R0

G

LN1 5

R40
4K7SM

U4B

G

R33
100RSM

0R0SM

R41
4K7SM

LN14

BAS16

BAS16

G

LN1
0R0

D13

R48
10KSM

D16

R57
10KSM

R26
10KSM

C8
10U 5 0V

470K SM

TL07 2SM

R28
56KSM1

SW1B
2P2WPS

R59

U3B

BAS16

D12
BAS16

R22
10KSM

D11

LN20
0R0SM

G

C11

4U7 6 3V

R20
10KSM

C19
2U2 6 3V

C14

47N 100V

R11

470KSM

-15V

R61
100K SM

TS4
BC85 7B

R56
1KSM

5

R60
2K2SM

R39
2K2SM

G

R62
10KSM

LED3MMR

22KB6SCD

Bass

G

D4

VR6

Treble

LN19
0R0S M

R42
10KSM

VR3
22KB6 SCD

C13

220N 63V

C7
2U2 6 3V

-15V

TS5
BC847B

R72
3K3SM

Limit Active

G

C20

R58
2K2SM

47N 100V

R53
4K7SM

R50
2K2SM

R19
100K SM

R18

10KSM
TS1
BC85 7B

R16
1KSM

G

LED3MMG

Comp Level

0R0SMLN25

6

LN17
0R0SM

C32
470PSM

U5B

TL07 2SM

LN16

0R0S M

G

TS2
BC847B

R21
3K3SM

D1

G

SW1A
2P2WPS

Compressor Switch

G

-15V

R23
3K3SM

LN12
0R0S M

D2
LED3M MG

Comp On

R55
10KSM

ParaM id F re q

VR4A

100KC6SD

R51
10KSM

G

VR4B

100KC6SD

R52
10KSM

C18
33N 1 00V

VR5
22KB6SCD

G

22N 1 00V
C15

7

R54
10KSM

-15V

U5A

LN18

0R0SM

R64
10KSM

R70
22KSM

R65
22KSM

22KSM

R66

VR7
22KB6 S

PresenceParaMid Ga in

TL07 2SM

C22
3N3 5 0V

GG

C21
4N7 1 00V

LN24
0R0SM

TL07 2SM

LN3
0R0

+15V

R63
10KSM

U6B

8

LN21
0R0SM

LN23
0R0SM

C23
10U 5 0V

VR9

LN26

4K7B6S

0R0SM

G

MASTER VOLUME

Flame proof resist er

2P2WPS

SW3A

E E

1

HORN ON/OFF

SP1

SPADE4.8

TO HORN -V

2

+45V

-45V

LN5
0R0

G Gs

15V Z D1.3W

R1

FP
FP

R2

3

D5

680R 5W

680R 5W

15V Z D1.3W

Gs Gs

D7

Gs Gs

C25
470U 16V

C24
470U 16V

G

G

C1
100N 63V

C2
100N 63V

-15V

+15V

4

Power

-15V

R74
4K7SM

D8
LED3MMR

G

Revi si on His tory

- R7 1, R7 3 fr om 820r to 2 20r

- R6 9, R7 7 fr om 470r to 1 K

5

See CN0336

6

FP

Must only be replaced with same type and rating

Indicates s afety critical component
Must only be replaced with approved type

Titl e

R2 Bass Preamp

BLT

Indus tri es

A2

Da te : 10/02/2004 Sh e et of
File: D:\Wo rk-in-Prog ress\ ..\ 9377_2. Sch Dr awn By:

7

Numbe r RevisionSize

9377 2

119377_2.Sch

Rich Thompson

8

1

2

3

4

5

6

7

8

Gc

Gc

FX Send

SK3
MJACK

SK2
MJACKG

HD2

1

2

3

4

5

6

7

8
10

A A

Gc

9

HD10 W.5

FX R etu r n

Q1
2N38 19

Gmu

C5
100U 25V

Gmu

Gc

D4
1N41 48

TS8

MPSA42

C1

D2
3V9 Z D0. 5W

D1
3V9 Z D0. 5W

G

Gmu

Limiter Signal

2U2 6 3V

R13

33K
R12
10K

OFFSET ADJ

C2

G

1N 10 0V

C6
1U 63 V

Gmu

+45V

R9
100R

R8

TS4
MPSA92

1K

TS2

MPSA92

R1

100R

R4
10K

G

VR1

1KH

TS1
MPSA92

R7
220R

R2
100R

TS3
MPSA92

G

R6
330R

100P 100 V

C3
47U 5 0V

C4

LN5
0R0

G

R5
22K

TS5
MPSA42

LN3
0R0

R10
2K2

R16
330R

R15
10K

-45V2

C7

47P 50V

LN4
0R0

LN8
0R0

R11
220R

TS6
MPSA92

D3
1N41 48

TS9

MPSA42

TS10

MPSA92
D7
1N41 48

2U2 6 3V

TS7
SAP16N

100N 63 VC10

R17
330R

1N41 48D6

R18

6K8

C11

6K8R19
330RR20

100N 63 VC13

G

G

1N41 48D8

TestPoint1

BIAS ADJ

TestPoint2

LN9
0R0

R22
220R

VR2
470RH

R14
0R22 5W

R21
0R22 5W

SAP16P
TS11

-45V

D5
1N40 07

D9
1N40 07

R25
47K

C16
47N 1 00V

R23
10R 2W5

G

R24
10R 2W5

L1
COIL20T

R26
10R 11W

C17
2U2 2 50 V

SP5

To Ho r n +V

Extension Loudspeak er

SK4
MJACK

Internal Loudspeak er

SP4
SPADE 4.8

SP6
SPADE 4.8

G

G

Head Version Only!

From Preamp 9377/9379 SP2

-

Internal HF Driver

+

Tuner Ou t

SK1
MJACK

LN1

G

0R0

HD1

9

G

10

7

B B

HORN SWITCH

G

C C

8

5

6

LN2

3

4

0R0

1

2

+45V-45V2

To PCB 9377/9379

Output PCB

Items within dashed
Lines are on a seperate
Crack-off pcb

R3
1K

Gmu

LN6
0R0

Mains In
IEC Inlet

Green/Yellow

Chassis Transformer Primary

D D

Flame proof resister

FP

Must only be replaced with same type and rating

Indicates safety critical component
Must only be replaced with approved type

1

230V =T2A L, 115V = T5A L

Black(Brown)

Fuse Integral to IEC

White (Blue)

Fuse

These items not on pcb

Mains Switch

AC Input (Neutral)

MAINS TRANSFORMER

AC Line(Live)

Tran sfo r me r Par t Numb er
120V = 560 0-2052B
230V = 560 0-2050B

NOTE:
Set VR5 to give 10mV across TP1 and TP2

Refer to service manual before adjusting bias preset

2

SP3

SPADE4.8
SP1

SPADE4.8

G

SP2

SPADE4.8

3

4

1N40 07

C15

220N 250V

D11

D10

BR1

1N40 07

+V

AC
AC

-V

6A 20 0V

+45V

C9

C14
100N 63V

4700 U 63V

G

-45V

5

C12

4700 U 63V

-45V2

C8
100N 63V

Gmu

LN7
0R0

6

BLT

Industries

Title

R2/R3 OUTPUT

Number Revis ionSize

A3

Date: 23/1 0/200 3 Sheet of
File: D:\9378 _2\9378 .Sch Drawn By:

9378 2

119378.Sch

7

Rich Thompson

8

Manufacturing 19/12/02 Print structures

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==============================================================================
Product Descriptio

R2E

005526 20mm T2A FUSE 1.0000 0.0400 0.0400
10702 SPECIAL MAINS LEAD 1.0000 1.0000 1.0000
10969 R SERIES USER MANUAL 1.0000 0.3360 0.3360
008453 R2 CHASSIS ASSY 230

005005 NEW TYPE MAINS SOCK
005124 TAICOM TMF04MC 4PIN 1.0000 0.5054 0.5054
005511 5MM SOLDER TAG 2.0000 0.0098 0.0196
005114 R1/2/3 - IDC CABLE A 1.0000 0.5060 0.5060
005558 100mm TIE WRAP 4.0000 0.0025 0.0100
005665/
006105 115V/230V MAINS TRA
008322 LABEL VOLTAGE SELE
008454 R2 PREAMP PCB ASSY 1.0000 0.0000 0.0000

001300 ORO SHORTING LINK 18.0000 0.0015 0.0270
001303 100R 5% RESISTOR 3.0000 0.0015 0.0045
001304 820R 5% RESISTOR 3.0000 0.0015 0.0045
003500 BAS16 DIODE 8.0000 0.0094 0.0752
001305 2K2 5% RESISTOR 2.0000 0.0015 0.0030
001305 2K2 5% RESISTOR 2.0000 0.0015 0.0030
001306 10K 5% RESISTOR 20.0000 0.0015 0.0300
001309 1M 5% RESISTOR 1.0000 0.0015 0.0015
001310 100K 5% RESISTOR 7.0000 0.0015 0.0105
001311 470R 5% RESISTOR 3.0000 0.0015 0.0045
001312 4K7 5% RESISTOR 9.0000 0.0015 0.0135
001315 47K 5% RESISTOR 2.0000 0.0015 0.0030
001316 22K 5% RESISTOR 8.0000 0.0015 0.0120
001319 15K 5% RESISTOR 1.0000 0.0027 0.0027
001326 3K3 5% RESISTOR 8.0000 0.0015 0.0120
001327 1K 5% RESISTOR 6.0000 0.0015 0.0090
001331 33K 5% RESISTOR 2.0000 0.0015 0.0030
001336 470K 5% RESISTOR 3.0000 0.0015 0.0045
001705 680R 5W RESISTOR 2.0000 0.1120 0.2240
001920 ZERO OHM RESISTOR 4.0000 0.0030 0.0120
001923 56KSM 1206 1% RESIS
002013 10UF 50V CAPACITOR 3.0000 0.0097 0.0291
002020 470UF 16V RADIAL 2.0000 0.0360 0.0720
002024 2.2UF 63V RADIAL 5.0000 0.0097 0.0485
002027 4.7UF 63V RADIAL 1.0000 0.0097 0.0097
002037 220N 5MM BOX POLY CA 1.0000 0.0250 0.0250
002415 2.2NF 100V 5mm 1.0000 0.0165 0.0165
002416 3.3NF 50V 5mm 1.0000 0.0165 0.0165
002417 4.7NF 100V 5mm 1.0000 0.0165 0.0165
002419 100NF 63V 5mm 2.0000 0.0165 0.0330
002420 22NF 100V 5mm 2.0000 0.0165 0.0330
002421 10NF 100V 5mm 1.0000 0.0165 0.0165
002425 47NF 100V 5mm 1.0000 0.0165 0.0165
002426 15NF 100V 5mm 1.0000 0.0165 0.0165
002438 68N 5MM BOXED 2.0000 0.0182 0.0364
002602 47PF 50V 10% COG 1.0000 0.0085 0.0085
002603 100PF 50V 10% COG 3.0000 0.0075 0.0225
002604 270PF 50V 10% COG 1.0000 0.0075 0.0075
002605 470PF 50V 10% COG 2.0000 0.0085 0.0170
003014 15V 1.3W ZENER 4.0000 0.0161 0.0644
003022 3mm GREEN LED 3.0000 0.0300 0.0900
003033 3mm LED RED 1.0000 0.0300 0.0300
003503 BC847B TRANSISTOR 2.0000 0.0164 0.0328
003504 BC857B TRANSISTOR 3.0000 0.0164 0.0492
003508 34072 IC (SMD TL072) 5.0000 0.1290 0.6450
003916 CA3094E/CA3080E IC 1.0000 0.3500 0.3500
004029 100K HORIZ PRESET 1.0000 0.0392 0.0392
004061 6mm 22K LIN POT 3.0000 0.1600 0.4800
004072 6mm 4K7 LIN POT 1.0000 0.1600 0.1600
004075 6mm 100KC DUAL POT 1.0000 0.3150 0.3150
004099 22K LIN POT 3.0000 0.2200 0.6600
005002 MONO JACK SOCKET 1.0000 0.1240 0.1240
005017 2P 2W PUSH SWITCH 3.0000 0.1100 0.3300
005079 IDC PCB PLUG 10-WAY 1.0000 0.0900 0.0900
005096 MONO JACK SOCKET-GOL 1.0000 0.2540 0.2540
005503 7.5mm ROUND BLACK B
005624 XLR SKT MALE 90DEG 1.0000 0.3460 0.3460
005686 4.8MM TERMINAL SPAD
009377 R2 BASS PREAMP PCB 1.0000 1.7400 1.7400

008455 R2/R3 OUTPUT PCB AS

001003 1K .25W RESISTOR 2.0000 0.0025 0.0050
001005 2K2 .25W RESISTOR 1.0000 0.0026 0.0026
002419 100NF 63V 5mm 4.0000 0.0165 0.0660
001007 6K8 .25W RESISTOR 2.0000 0.0025 0.0050
001008 100K .25W RESISTOR 1.0000 0.0035 0.0035
001009 220R .25W RESISTOR 3.0000 0.0025 0.0075
001013 22K .25W RESISTOR 3.0000 0.0025 0.0075
001014 10K .25W RESISTOR 3.0000 0.0025 0.0075
001016 33K .25W RESISTOR 1.0000 0.0025 0.0025
001020 470R .25W RESISTOR 3.0000 0.0025 0.0075
001021 100R .25W RESISTOR 3.0000 0.0025 0.0075
001500 10R 2.5W RESISTOR 2.0000 0.0360 0.0720
001718 10R 11W CEMENT 5% 1.0000 0.2000 0.2000
001920 ZERO OHM RESISTOR 8.0000 0.0030 0.0240
002004 47UF 50V RADIAL 1.0000 0.0155 0.0155
002006 4700UF 63V RADIAL 2.0000 0.7100 1.4200
002014 100UF 35V RADIAL 1.0000 0.0240 0.0240
002024 2.2UF 63V RADIAL 2.0000 0.0097 0.0194
002025 1UF 63V RADIAL 1.0000 0.0097 0.0097
002402 220NF 250V 15MM DIP
002414 1NF 100V 5mm 1.0000 0.0165 0.0165
002415 2.2NF 100V 5mm 1.0000 0.0165 0.0165
002419 100NF 63V 5mm 4.0000 0.0165 0.0660
002425 47NF 100V 5mm 1.0000 0.0165 0.0165
002431 2.2UF 250V POLYESTE
002800 47PF 50V CERAMIC 1.0000 0.0060 0.0060
002817 100PF 100V CERAMIC 1.0000 0.0046 0.0046
003000 1N4007 DIODE 4.0000 0.0059 0.0236
003006 1N4148 DIODE 5.0000 0.0036 0.0180
003007 3V9 .5W ZENER DIODE 2.0000 0.0082 0.0164
003016 6A 200V BRIDGE 1.0000 0.1750 0.1750
003409 2N3819 TRANSISTOR 1.0000 0.1550 0.1550
003411 MPSA42/43 TRANSISTO
003412 MPSA92/93 TRANSISTO
003807 SAP15N POWER DEVICE 1.0000 1.2000 1.2000

R2 RICHTER BASS COMBO 120W-230V

12mm KNOB C/P 8.0000 0.0400 0.3200

Quantity Price Total

1.0000 0.0000 0.0000

1.0000 0.4200 0.4200

1.0000 8.8900 8.8900

1.0000 0.0150 0.0150

1.0000 0.0030 0.0030

3.0000 0.0590 0.1770

1.0000 0.0125 0.0125

1.0000 0.0000 0.0000

1.0000 0.0532 0.0532

1.0000 0.1950 0.1950

3.0000 0.0358 0.1074

6.0000 0.0427 0.2562

Manufacturing 19/12/02 Print structures

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==============================================================================
Product Descriptio

003808 SAP15P POWER DEVICE 1.0000 1.2000 1.2000
004000 1K HORIZ PRESET 1.0000 0.0450 0.0450
004010 470R HORIZ PRESET 1.0000 0.0450 0.0450
005002 MONO JACK SOCKET 1.0000 0.1240 0.1240
005097 MONO JACK SOCKET-HO
005006 20 TURN COIL 1.0000 0.1500 0.1500
005009 SINGLE TERMINAL PIN 2.0000 0.0057 0.0114
005079 IDC PCB PLUG 10-WAY 1.0000 0.0900 0.0900
005096 MONO JACK SOCKET-GOL 1.0000 0.2540 0.2540
005686 4.8MM TERMINAL SPAD
8M-887

009378 R2/R3 BASS 160W OUT
009161 4mm INT. SHAKEPROOF 1.0000 0.0018 0.0018
009171 M5 INT SHAKEPROOF WA 2.0000 0.0018 0.0036
009173 5*12mm PAN POZI ZIN
009175 M6 HEX NUT ZINC ONL
009181 5mm BRASS HEX NUT 1.0000 0.0080 0.0080
009187 NO.8 SPIRE FASTENER 6.0000 0.0188 0.1128
009204 NO 4*1/4 PLASTITE 2.0000 0.0086 0.0172
009229 8*3/8 FH POZI 5.0000 0.0056 0.0280
009233 POP RIVET 4*7 3.0000 0.0106 0.0318
530027 DPST EQ MAINS SWITC
540038 EARTH WARNING LABEL 1.0000 0.0345 0.0345
541004 HC25/50 4.8 FASTON 9.0000 0.0216 0.1944
586022 8MM FLAT TX WASHER
586023 8mm SHKPRF WASHER 1.0000 0.0053 0.0053
586003 M8 * 60 COACH BOLT 1.0000 0.0858 0.0858
588006 POP RIVET (BLACK) 2.0000 0.0221 0.0442
8M-8871 R2 CHASSIS DWG.3343 1.0000 4.6900 4.6900
8SP-887

20102 R2 CABINET 1.0000 0.0000 0.0000

005126 TAICOM TMF04C 4PIN
10039 CORNER PENN P/N.C18
10057 SMALL LANEY BADGE 1.0000 0.1725 0.1725
10059 RUBBER CABINET FOOT 4.0000 0.1200 0.4800
10157 PLASTIC STRAP HANDL
10108 M1702 PORT HOLE 2.0000 0.2390 0.4780
10200 M5 x 10mm TEENUT 6.0000 0.0233 0.1398
10202 5MMx25MM CSK POZI S
10204 5mm X 25mm PAN POZI 4.0000 0.0107 0.0428
10207 NO.6 X 5/8" CSK POZ
10224 35mm FINISHED NAIL 30.0000 0.0012 0.0360
10231 No8x1/2" FLANGE POZ
10240 10 * 1 CSK POZI 4.0000 0.0066 0.0264
10243 NO4*1/2 TYPE B CSK 2.0000 0.0096 0.0192
10244 FLAT SPIRE CLIP 2.0000 0.0244 0.0488
10248 NO10 * 1 1/4" FLANG
10301 18mm CHIPBOARD 0.4000 4.5000 1.8000
10314 18mm MDF 0.0500 8.4000 0.4200
10328 REPTILE BLACK 1.5000 2.0400 3.0600
10473 R2 CARTON 1.0000 3.8100 3.8100
10505 TLX-1 (TLC-1) TWEET
10600 32/18 STAPLE 16.0000 0.0011 0.0176
10622 POLY BAG 48(0) X 48 1.0000 0.1537 0.1537
10981 GLUE/PAINT COST 1.2
51006 CELESTION BL12-100
541004 HC25/50 4.8 FASTON 2.0000 0.0216 0.0432
8G-R2 GRILL R2 1.0000 0.0000 0.0000

79063 RICHTER MESH 0.1250 11.7500 1.4688

8M-R2 R2 Grill 1.0000 4.9300 4.9300

8PCG-R2 GRILL R2 1.0000 0.4200 0.4200
8P-8733 RICHTER VENT 1.0000 0.0000 0.0000

79003 ZINTEC SHEET/1Mx1Mx

8PC-873 RBW100 VENT 1.0000 0.3000 0.3000

8M-8733 Vent 1.0000 0.4000 0.4000

65MM FINNED HEATSIN

R2 PRINT COST 1.0000 1.0000 1.0000

2.0000 0.1200 0.2400

4.0000 0.0125 0.0500

2.0000 1.2000 2.4000

1.0000 2.2200 2.2200

1.0000 0.0080 0.0080

1.0000 0.0032 0.0032

1.0000 0.2500 0.2500

1.0000 0.0084 0.0084

1.0000 0.6859 0.6859

4.0000 0.1600 0.6400

1.0000 0.3330 0.3330

2.0000 0.0106 0.0212

4.0000 0.0032 0.0128

18.0000 0.0085 0.1530

4.0000 0.0161 0.0644

1.0000 1.7200 1.7200

1.0000 1.2500 1.2500

1.0000 11.0000 11.0000

0.0230 4.5000 0.1035