ACOUSTIC MASTER

SERVICE MANUAL

U.S.A.

Yorkville Sound Inc.4625 Witmer Industrial Estate

Niagara Falls, New York14305 USA

Voice: (716) 297-2920Fax: (716) 297-3689

WORLD HEADQUARTERS

WEB ACCESS: http://www.yorkville.com

CANADA

Yorkville Sound550 Granite CourtPickering, Ontario

L1W-3Y8 CANADA

Voice: (905) 837-8481Fax: (905) 837-8746

Printed in Canada

Quality & Innovation Since 1963

TYPE: YS1004

IMPORTANT SAFETY INSTRUCTIONS

safety-4v2.eps Aug 26/05

CAUTION:TO REDUCE THE RISK OF ELECTRIC SHOCK, DO

NOT REMOVE COVER (OR BACK).

NO USER SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIEDSERVICE PERSONNEL.

INSTRUCTIONS PERTAINING TO ARISK OF FIRE, ELECTRIC SHOCK,

OR INJURY TO PERSONS

Read InstructionsThe Owner’s Manualshould be read and understood before operation of your unit. Please, save these instruc-tions for future reference.PackagingKeep the box and packaging materials, in case the unit needs to be returned for service.WarningWhen using electric products, basic precautions should always be followed, including the following:

Power SourcesYour unit should be connected to a power source only of the voltage specified in the owners manual or as marked on the unit. This unit has a polarized plug. Do not use with an extension cord or receptacle unless the plug can be fully inserted. Precautions should be taken so that the grounding scheme on the unit is not defeated.

HazardsDo not place this product on an unstable cart, stand, tripod, bracket or table. The product may fall, causing serious personal injury and serious damage to the product. Use only with cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the product. Follow the manufacturer’s instructions when installing the product and use mounting accessories recommended by the manufacturer.

The apparatus should not be exposed to dripping or splashing water; no objects filled with liquids should be placed on the apparatus.

Terminals marked with the “lightning bolt” are hazardous live; the external wiring connected to these terminals require installation by an instructed person or the use of ready made leads or cords.

No naked flame sources, such as lighted candles, should be placed on the apparatus.

Power CordThe AC supply cord should be routed so that it is unlikely that it will be damaged. If the AC supply cord is damaged DO NOT OPERATE THE UNIT.

ServiceThe unit should be serviced only by qualified service personnel.

AVIS:AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE,

N’ENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE)

NE CONTIENT AUCUNE PIECEREPARABLE PAR L’UTILISATEUR.

CONSULTEZ UN TECHNICIEN QUALIFIEPOUR L’ENTRETIENT

INSTRUCTIONS RELATIVES AU RISQUEDE FEU, CHOC ÉLECTRIQUE, OUBLESSURES AUX PERSONNES

Veuillez Lire le ManuelIl contient des informations qui devraient êtres comprises avant l’opération de votre appareil. Conservez S.V.P. ces instructions pour consultations ultérieures.EmballageConservez la boite au cas ou l’appareil devait être retourner pour réparation.Attention:Lors de l’utilisation de produits électrique, assurez-vous d’adhérer à des précautions de bases incluant celle qui suivent:

AlimentationL’appareil ne doit être branché qu’à une source d’alimentation correspondant au voltage spécifié dans le manuel ou tel qu’indiqué sur l’appareil. Cet appareil est équipé d’une prise d’alimentation polarisée. Ne pas utiliser cet appareil avec un cordon de raccordement à moins qu’il soit possible d’insérer complètement les trois lames. Des précautions doivent êtres prises afin d’eviter que le système de mise à la terre de l’appareil ne soit désengagé.

RisqueNe pas placer cet appareil sur un chariot, un support, un trépied ou une table instables. L’appareil pourrait tomber et blesser quelqu’un ou subir des dommages importants. Utiliser seulement un chariot, un support, un trépied ou une table recommandés par le fabricant ou vendus avec le produit. Suivre les instructions du fabricant pour installer l’appareil et utiliser les accessoires recommandés par le fabricant.

Il convient de ne pas placer sur l’appareil de sources de flammes nues, telles que des bougies allumées.

L’appeil ne doit pas être exposé à des égouttements d’eau ou des éclaboussures et qu’aucun objet rempli de liquide tel que des vases ne doit être placé sur l’appareil.

Les dispositifs marqués d’une symbole “d’éclair” sont des parties dangereuses au toucher et que les câblages extérieurs connectés à ces dispositifs de connection extérieure doivent être effectivés par un opérateur formé ou en utilisant des cordons déjà préparés.

Cordon d’AlimentationÉvitez d’endommager le cordon d’alimentation. N’UTILISEZ PAS L’APPAREIL si le cordon d’alimentation est endommagé.

ServiceConsultez un technicien qualifié pour l’entretien de votre appareil.

am100 Oct. 20, 2000YS No. Description Qty. YS No. Description Qty.

3507 28 PIN X .6" I.C DEEP SOCKET 1 3834 HEYCO #1214 STRAIN RELIEF 13550 44PIN PLCC SOCKET 1 "Y" LOGO ACOUSTIC SERIES SML. DOMED 13557 84PIN PLCC SOCKET 1 3674 9 CIR CABLE HOLDER .098 23571 28 PIN X .6" I.C. SOCKET 1 8800 6-32 KEPS NUT ZINC 86994 CRYSTAL CODEC 44PIN PLCC 1 8787 8-32 KEPS NUT ZINC 46940 16MHZ CRYSTAL VERT 2-PIN .25"CASE 1 8845 10-32 PEMNUT SS-032-2-Z1 26405 RED 3MM LED 1V7 5MA BRT 2 8898 1/4-20 CAGE NUT C7998142027 26407 YEL 3MM LED 1V8 5MA 1 3830 TO218 PREGREASED MICA 56-78-2AP 36408 GRN 3MM LED 1V9 5MA FROSTED 1 3850 TO-220 PLASTIC TRANSISTOR INSULATOR 16825 1N4148 75V 0A45 DIODE T&R 9 8581 CUSTOM PBL TRANSISTOR SPACER 36438 1N4004 400V 1A0 DIODE T&R 4 3818 EMI SUPPRESSION FERRITE BEAD T&R 26827 1N5402 200V 3A0 DIODE 4 4597 22AWG STRAN TC WIR JMP 186822 1N4745A 16V0 1W0 ZENER 5% T&R 2 4599 22AWG SOLID SC WIR T&R JMP 716463 1N5251BRL 22V0 0W5 ZENER 5% T&R 1 4594 1/8W 10R0 2%FLAME PROOF T&R RES 16738 MC7805CT TO220 P 5V0 REG V1 1 4675 1/2W 10R 5% T&R RES 45103 MPSA06 TO92 NPN TRAN T&R TA 1 4816 1/4W 33R 5% T&R RES 15105 MPSA13 TO92 NPN DARL T&R TA 3 4704 5.0W 33R 5% BLK RES 15122 J109 TO92 NCH JFET T&R TC 1 4735 1.0W 100R 5% T&R RES 66755 LM3876T IC 40 WATT POWER AMP 2 4897 1/4W 120R 5% T&R RES 16840 MC33078P IC DUAL OP AMP 1 4909 1/4W 200R 5% T&R RES 16882 TL072CP IC FET DUAL OP AMP 1 4977 1/4W 220R 5%MINI T&R RES 26889 TLO74CN IC QUAD O/A T.I ONLY 4 4770 1/4W 249R 1% T&R RES 36943 74HC374N IC OCTAL DTYPE LATCH 1 4655 1/2W 330R 5% T&R RES 86986 27C512 PROM IC YORKVILLE 16X2 PRG 1 4855 1/4W 330R 5% T&R RES 16992 1365-102 IC DIGITAL REVERB ASIC 1 5010 1/4W 330RX9 5% 10PIN SIP RES 16993 1250-101 IC SRAM 32KX8 1 4821 1/4W 470R 5% T&R RES 25402 _15P 100V 10%CAP T&R BEAD NPO 2 4799 1/4W 562R 1% T&R RES 25405 _27P 200V 5%CAP T&R RAD CER.2"NPO 3 4923 1/4W 680R 5% .2"U T&R RES 15199 100P 100V 2%CAP T&R RAD CER.2"NPO 1 4981 1/4W 1K 5%MINI T&R RES 135410 100P 100V 10%CAP T&R BEAD NPO 1 6110 1/4W 1K0 1%MINI MF T&R RES 25420 680P 50V 10%CAP T&R BEAD NPO 4 4585 1/4W 1K2 5%MINI T&R RES 15422 __1N 50V 10%CAP T&R BEAD NPO 3 4988 1/4W 1K5 5%MINI T&R RES 45208 __2N2 400V 5%CAP T&R RAD .2"FLM 2 4808 1/4W 2K 5% T&R RES 45274 __2N2 200V 5%CAP T&R RAD CER.2"NPO 6 4847 1/4W 2K2 5% T&R RES 15426 __2N2 50V 10%CAP T&R BEAD Y5R 2 6114 1/4W 2K49 1%MINI MF T&R RES 106451 __4N7 250V 20%CAP BLK 'Y' 10MM AC 1 4826 1/4W 3K3 5% T&R RES 45204 _10N 100V 10%CAP T&R RAD .2"FLM 5 4827 1/4W 4K7 5% T&R RES 25300 _10N 50V 10%CAP T&R BEAD X7R 5 4639 1/4W 4K99 1% T&R RES 25207 _18N 100V 5%CAP T&R RAD .2"FLM 2 4893 1/4W 5K1 5% T&R RES 26435 _22N 275V 20%CAP BLK 'X2' 15MM AC 1 4978 1/4W 6K8 5%MINI T&R RES 15310 _68N 50V 10%CAP T&R BEAD X7R 2 5011 1/4W _10KX9 2% 10PIN SIP RES 15228 100N 100V 5%CAP T&R RAD .2"FLM 3 6116 1/4W 10K0 1%MINI MF T&R RES 375314 100N 50V 10%CAP T&R BEAD X7R 13 4830 1/4W 15K 5% T&R RES 35231 220N 63V 10%CAP T&R RAD .2"FLM 3 6123 1/4W 20K0 1%MINI MF T&R RES 45234 470N 63V 10%CAP T&R RAD .2"FLM 1 4777 1/4W 21K5 1% T&R RES 15255 __1U 63V 20%CAP T&R RAD .2"EL 2 4917 1/4W 31K6 1% T&R RES 15256 __1U 63V 5%CAP T&R RAD .2"FLM 6 4840 1/4W 33K 5% T&R RES 15259 __4U7 63V 20%CAP T&R RAD .2"EL 3 4834 1/4W 47K 5% T&R RES 25281 _10U 16V 20%CAP T&R RAD .2"NP 4 4942 1/4W 100K 5% .2"U T&R RES 15945 _10U 63V 20%CAP T&R RAD .2"EL 3 6120 1/4W 100K 5%MINI T&R RES 75260 _22U 50V 20%CAP T&R RAD .2"EL 1 4796 1/4W 180K 5%MINI T&R RES 25961 _33U 16V 20%CAP T&R RAD .2"NP 7 6127 1/4W 470K 5%MINI T&R RES 25267 100U 25V 20%CAP T&R RAD .2"EL 1 4844 1/4W 1M 5% T&R RES 15879 100U 16V 20%CAP T&R 8X7MM .2"EL 2 3608 10" 9C-24AWG RIBBON HITMP 0.1" 15630 330U 25V 20%CAP BLK 10X13MM EL 2 8842 #4 X 5/16 PAN QUAD TYPE A JS500 BLK 45887 2200U 50V 20%CAP BLK 18X27MM EL 2 8801 6-32 X 3/8 PAN PH TAPTITE JS500 54527 ROT GRY 20MM 4BIT ENCODER P31 1 8829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA 54417 _10K 5B LIN 9MM HORIZONTAL P28 2 8806 6-32 X 1/2 PAN PH TAPTITE JS500 14418 _10K 5C R/A 9MM HORIZONTAL P28 1 8828 6-32 X 3/4 PAN PH TAPTITE JS500 54420 _50K B LIN 9MM HORIZONTAL P28 3 8878 #6 X 2" PAN PHIL TYPE A JS500 BLACK 44419 100K B LIN 12MM HORIZONTAL STP27 2 8803 8-32 X 3/8 PAN QUAD TAPTITE JS500 2

711 30 X 50 X 1.5MIL PLASTIC BAG 1 8763 8-32 X 1/2 PAN PH MS JS500 BLACK 48547 PLASTIC FOOT BLACK 8 8874 8-32 X 1" PAN PHIL TAPTITE JS500 28570 CORNER, 2 LEGS NOTCED LIP BLACK 6 8749 10-32 X 1/2 QDX PH TAPTITE JS500 13467 CLIP 205X032 14-16AWG DISC/INSUL 2 8753 #10 X 1/2 PAN PH TYPE A JS500 BLACK 123489 CLIP 250X032 18-22AWG DISCO/INSL 5 8756 #10 X 3/4 PAN PH TYPE A BLACK OXIDE 123491 CLIP 205/187X020 18-22AWG DISCO/INS 7 8781 #10 X 7/8 FLAT PHIL TYPE A JS500BLK 103682 250 MALE PCB TAB BULK CARTRIGE 13 8912 10-32 X 1 FLAT PHIL MS JS500 BLK 43498 1/4" JCK PCB MT HORZ 4 8770 1/4-20 X 1 5/16 TRUSS PH MS JS500 23528 1/4" JCK PCB MT HORZ GOLD TR_ 1 8905 YORKVILLE PRODUCT SCHEMATIC 13417 6-32 SCREW TERMINAL PC MOUNT 3 3833 8 X 3/8 (250 OD,.171 ID)NY SPACER 53660 XLR FEML PCB MT HORZ 1 6.5 INCH WOOFER 23923 XLR MALE PCB MT HORZ MTHOLE-V SNAP 1 8820 #8 FLAT WASHER JS500 63451 EYELET SMALL 0.089 OD PLATED 7 8473 #10 BLACK CUPWASHER SWF-10BK 33414 INTERNATIONAL PC MOUNT FUSEHOLDER 2 3425 DPDT PUSH SW PCMT MAKE B4 BREAK 32439 1.25 AMP SLO-BLO .25X1.25 FUSE 1 3698 SPST ROKR SW QUIK 180" AC PWR BL/BL 18459 9.5" STRAP HANDLE, PLASTIC COVERS 1 8468 VELCRO STRAP 3/4"X22CM (VELSTRAP) 18604 10-32 T NUT 2 1310 4200 BLOC-80B/100G S120B/100K XFMR 17418 8R 30W TWEETER PIEZO KSN1056A 13745 DUAL XSISTOR PBL SPRING PLATE ZN 23804 SNAP ON 1.5" INSULATING BUSHING 13795 #8 GROUND LUG ZIERICK 505-169 13803 NYLON SECUR-A-TACH MINI PLASTIC TIE 13810 4" NYLON CABLE TIE 48636 BUTTON KNOB FLAT BLACK 38641 AQUA KNOB FOR "NEW" ACOUSTIC SERIE 93481 8' 3/18 SJT AC LINE CORD 250 CLIPS 1

# Part# Description FunctionLabeled Components

1 3450 1/4" JCK PCB MT HORZ GOLD TR_ Jack2 4417 _10K 5B LIN 9MM HORIZONTAL P28 Gain 13 4420 _50K B LIN 9MM HORIZONTAL P28 Bass4 4420 _50K B LIN 9MM HORIZONTAL P28 Mid5 4420 _50K B LIN 9MM HORIZONTAL P28 Treble6 4419 100K B LIN 12MM HORIZONTAL STP27 Notch7 3660 XLR FEML PCB MT HORZ Jack8 4418 _10K 5C R/A 9MM HORIZONTAL P28 Gain 29 4419 100K B LIN 12MM HORIZONTAL STP27 Volume10 4417 _10K 5B LIN 9MM HORIZONTAL P28 Effects11 4527 ROT GRY 20MM 4BIT ENCODER P31 Presets

knob 8641 Note: All pots use 8641 Aqua Knob Knob12 3698 SPST ROKR SW QUIK 180" AC PWR BL/BL13 3425 DPDT PUSH SW PCMT MAKE B4 BREAK13 8636 BUTTON KNOB FLAT BLACK14 Z338 AM100 Grill (special order while unit is in production only)15 8547 PLASTIC FOOT BLACK16 8570 CORNER, 2 LEGS NOTCED LIP BLACK17 3834 HEYCO #1214 STRAIN RELIEF18 8459 9.5" STRAP HANDLE, PLASTIC COVERS19 3923 XLR MALE PCB MT HORZ MTHOLE-V SNAP20 8468 VELCRO STRAP 3/4"X22CM (VELSTRAP)21 3481 8' 3/18 SJT AC LINE CORD 250 CLIPS22 YSM-1WFR 6.5 INCH WOOFER23 7418 8R 30W TWEETER PIEZO KSN1056A

Internal Electronic Components1310 4200 BLOC-80B/100G S120B/100K XFMR2439 1.25 AMP SLO-BLO .25X1.25 FUSE3608 10" 9C-24AWG RIBBON HITMP 0.1"3745 DUAL XSISTOR PBL SPRING PLATE ZN3830 TO218 PREGREASED MICA 56-78-2AP3850 TO-220 PLASTIC TRANSISTOR INSULATOR4594 1/8W 10R0 2%FLAME PROOF T&R RES5010 1/4W 330RX9 5% 10PIN SIP RES5011 1/4W _10KX9 2% 10PIN SIP RES5103 MPSA06 TO92 NPN TRAN T&R TA5105 MPSA13 TO92 NPN DARL T&R TA5122 J109 TO92 NCH JFET T&R TC

Notes: 5887 2200U 50V 20%CAP BLK 18X27MM EL6463 1N5251BRL 22V0 0W5 ZENER 5% T&R6738 MC7805CT TO220 P 5V0 REG V16755 LM3876T IC 40 WATT POWER AMP6822 1N4745A 16V0 1W0 ZENER 5% T&R6827 1N5402__200V 3A0 DIODE6840 MC33078P IC DUAL OP AMP6882 TL072CP IC FET DUAL OP AMP6889 TLO74CN IC QUAD O/A T.I ONLY6986 27C512 PROM IC YORKVILLE 16X2 PRG6992 1365-102 IC DIGITAL REVERB ASIC6993 1250-101 IC SRAM 32KX88581 CUSTOM PBL TRANSISTOR SPACER

applicable to serial numbers 001xxxx

p-am100-final v3.xls - 10/19/00 ftp.yorkville.com/parts Instrument Amplifiers

Block Diagram for AM100

AMP R

Ch 2 EFXOn / Off

Master R

Tweeter8 Ohms

8 Ohms

AMP LMaster L

8 Ohms

DIGITALEFFECTSBank A

orBank B

Bank A

Notch Switch

Bank B

Wet / Dry

XLR

Mono 1/4" High Z

Low Z

Input 1 Gain Pot

Input 2 Gain Pot

EQ

In 1

In 2

BLOCK-DIAGRAM-am100-2v0 .ai

Foot EFX Switch(In / Out)

EFX Return(ch 2)

EFX Send(ch 2)

Balanced Line Out - Dry(ch 1 & ch 2)

Right Bus

Left Bus

Mono 1/4"

Balanced

Gain 2

Gain 1

Amber LED ON for Bank AChannel Inputs Speaker Outputs

Effects Loop and Line Out

Low / Mid / High

DESIGNED AND MANUFACTURED BY YORKVILLE SOUND

On / Off

On / Off

17 17

16 16

15 15

14 14

13 13

12 12

11 11

10 10

9 9

8 8

7 7

6 6

5 5

4 4

3 3

2 2

1 1

A

A

B

B

C

C

D

D

E

E

F

F

G

G

H

H

I

I

J

J

K

K

L

L

M

M

N

N

O

O

P

P

Q

Q

R

R

S

S

T

T

U

U

V

V

Product

Date:Filename:

PCB# ofSheetRev:

316.00

M574-6V00sch.sch2002

AM100Wed Nov 30, 2005

M574ACOUSTIC GUITAR AMP

Product

Date:Filename:

PCB# ofSheetRev:

316.00

M574-6V00sch.sch2002

AM100Wed Nov 30, 2005

M574ACOUSTIC GUITAR AMP

F1

1

2

3

C32100N400V

5

4

50V

100N

C15

0SPST

SW

ITC

H

C15

A68

0P50

V

C3222N 275V

33UC9

16V

R253100R1.0W

C55

100N

250V

R252100R1.0W C

251

100N

100V

1/4WR19

10K0

1/4WR11

10K0

20%

PTC

6482

R30

0

C210N 100V

4U7

63V

C6

AC

S1

4007

D1A

C25

04U

763

V

1/4W 4K99

R49

1N 50VC14

1/4W 4K99

R341N 50V

C13

1/4WR10

100K

M

5B L

IN44

17

10K P1:A

Function

C304N7400V

C25

2200

U50

V

D31N5402

1N5402D2

1N5402D1

1/4W 2K2

R210

1/4W

R53

120R

50V100NC27

63V

4U7

C7

1310E

R203330R1/2W

R39330R1/2W

C28

330U

25V

R207330R1/2W

1/4W

R21

14K

7

C20

11U

63V

1/4WR52180K

1/4WR18A180K

1/4W

R65

A33

K

1/4WR541K0

D254148

1/4W

R453K3

1/4W

R383K3

100N

50V

C45

C41

100N

50V

100N

C43

50V

ZD2

16V0

1N47

45A

1W

0

Q11 J109

C20

21U

63V

C8

100U

25V

1/4W

R48A1K

C172N2 50V

1/4W

R512K

1/4W 47K

R4850V 10NC11

1/4W

R463K3

4148

D26

4148D31

C40

100N

50V

{Function}LD5

YEL

1/4W .

R21

A20

K

100V15PC12

4148D6

C15

210

0N50

V

1/4W 470R

R147

1/4W .

R55

100K

1/4W

R16

110

0K

C57

100N

50V

1/4W.1K

R32C533U 16V

1/4W.

R671K

1/4W

R435K1

C12

11U

63V

S1:B

CHAN 1 NOTCH

S1:A

C50

100N

50V

C42

100N

50V

1/4W1K5R240

1/4W1K5

R238

1/4W2K49R154

1/4W2K49R150

1/4W2K49R153

1/4W2K49R151

1/4W

R2910K

1/4W.10K0

R14

1/4W 15K

R83

100NC63

100V

1/4W20K0

R241

1/4WR23920K0

1/4WMINI

R15520K0

1/4W20K0R156

1/4W

R1710K0

1/4W

R1610K0

1/4W

R504K7

1/4W

R8910K0

1/4WR44

10K0

U6:D

TLO74CN

C15768N 50V

C6868N 50V

1/4W

R862K

1/4W

R8510K0

680P

50V

C16

B1/

4W

R20

B1K

1/4W

R8110K0

1/4WR82

10K0

1/4W

R872K

C6610N 100V

1/4W

R13

A10

0K

C16

A 50V

680P

63V

10U

C17

A1/

4W

R20

A1K

1/4W.

R2235K1

63V 1UC22A

R22A1/4W

.15K

C23

B22

0N63

V

1/4W

R1510K

220N

63V

C23

A40

07D5A

AM100WFR

1/4W2K49R222

1/4W2K49R236

U8:BTLO74CN

1/4W.

R2110K0

C1933U 16V

1/4W.

R2510K0

#AM100WFR

R24A33R5.0W

1/4W10K0R235

1/4W.10K0

R22

1/4W10K0R26

#7418

1/4W

R24249R

R251100R1.0W

R255100R1.0W

C304N7 250V

R250100R1.0W

R254100R1.0W

3414

1/4W 1K

R35

C3

100P

100V

C26

2200

U50

V

D41N5402

D2A4007

1/4W1K0

R9

C29

330U

25V

R205330R1/2W

RED

CLIPLD2

1/4W.1K5

R70

ZD3

16V0

1N47

45A

1W

08

V+4

V-

U1:C

1/4W 47K

R47

LD3

GRN

C25

210

N50

V

4V+

11V-

U8:E

3425

S3:A

1/4W

R33 1K

1/4W 1KR23

4V+

11V-

U9:E

1/4W 10K

R28

1/4W

R40

100K

U9:ATLO74CN

U9:B

TLO74CN

1/4W

R23210K0

63V 220NC65

1/4W

R90

33R

B CTO-92E

MPSA13MPSA06

1/4W

R23710K0

1/4W

R13

B10

0KC

15B

680P

50V

63V

10U

C17

B

1/4W

R22910K0

C67

2N2

400V

S GTO-92D

J109

1/4W

R6831K6

1/4W 1K5

R71

R25

B10

R1/

2W

R23

B10

R1/

2W

D5B

4007

3425

S2:B

S2:A

CH

AN 2

EFX

BYP

ASS

.

R25

A10

R1/

2W.

R23

A10

R1/

2W

1/4WR2302K49

1/4WR2342K49

1/4WR22010K0

6943_PC

3923

J8

LINE OUT

M

5B LIN4417

WET

/DR

YP8:A10K

XF2

C11033U 16V

EUROPEAN POWER SUPPLY

330RR201

1/2W

R202330R1/2W

SPST

Sw

itch

ACS1

COPPERTie Here

330RR206

1/2W

0W5

1N52

51BR

L ZD

1022

V0

1/4W

R6562R

1/4W

R5562R

U2:B

MC33078P

3660

J4

4148

D26

A

1/4W10K0

R4 U1:A

TL072CP

C1533U 16V

1/4WR212470K

50V 22UC18

D104148

M

442050K B LIN

P4:ATREBLE

1/4W 3K3

R41C161N 50V 1/4W

R4210K0

U5:D

TLO74CN

CopperTie Here

M

442050K B LIN

MID P3:A

M

50K 4420B LIN

BASS P2:A 63V 1UC100

1/4WR31

20K0

100NC46

50V

1/4W.

10KR91

1/4W 10K

R18U9:D

TLO74CN

1/4W 10K

R30U9:C

TLO74CNU6:A

TLO74CN

U5:A

TLO74CNU5:B

TLO74CN

1/4W

R1210K0

1/4W

R8010K0

18NC60

100V

1/4W

R8410K0

1/4W.

R10510K

2N2C64

400V

63V470NC62

63V 1UC21A

2 NC16 NC2

11 NC3

U4BLM3876T

U6:BTLO74CN

U5:C

TLO74CN

1/4W

R225249R

1/4W

R23310K0

1/4W

R23110K0

C6118N 100V

1/4WR2241K2

1/4W

R12K

1/4W

R210K

U8:C

TLO74CN

U6:C

TLO74CN

15P 100VC1

+

-

R_HIGH8R 30W TWEETER

ST R

Gold Gold .

J5EFX RETURN

3414 F1

R204330R1/2W

OUTIN

GND

Q20MC7805CT

6738

LD1

RED

1/4W R3

1M

MPSA13Q10A

C4100P 100V1/4W

1K0R8

8V+

4V-

U2:C

4V+

11V-

U5:E

4V+

11V-

U6:E

1/4W.

R66330R

C21

10N

50V

D2014148

C102N2 50V

U1:B

TL072CP

1/4W

R65

100K

MPSA13

Q10

3425

S3:B

"STYLE_P31"

M

MASTERP7:B

100K

B LIN4419

1/4W 10K

R157

M

B LI

N44

19

100KP6:B

NOTCH

M

B LI

N44

19NOTCH

P6:A 100K

1/4W

R22810K0

4148

D60

2 NC16 NC2

11 NC3

LM3876TU4A

I GTO-220

O

78XX

6840_PC6882_PC

1/4W 21K5

R221

1/4W 15K

R22B

C22

B 1U63

V

C21

B 1U63

V

-

+L_SPKR8R 6.5" WOOFER

1/4W

R227200R

TLO74CN

U8:D

ST R

- - -

EFX SENDJ6

1/4W.

R27249R

5

4

1

2

3

60Hz120VAC

XF2

Part#1310

M

B LIN4419

MASTERP7:A

100K

"STYLE_P27" "STYLE_P28" 6755_PC

-

+

R_SPKR8R 6.5" WOOFER

M

5C R

/A44

18

10K P5:A

S TR

---

J2

6889_PC

U2:A

MC33078P

U8:A

TLO74CN

S TR

---

J3

17 17

16 16

15 15

14 14

13 13

12 12

11 11

10 10

9 9

8 8

7 7

6 6

5 5

4 4

3 3

2 2

1 1

A

A

B

B

C

C

D

D

E

E

F

F

G

G

H

H

I

I

J

J

K

K

L

L

M

M

N

N

O

O

P

P

Q

Q

R

R

S

S

T

T

U

U

V

V

Product

Date:Filename:

PCB# ofSheetRev:

326.00

M574-6V00sch.sch2002

AM100Wed Nov 30, 2005

M574ACOUSTIC GUITAR AMP

Product

Date:Filename:

PCB# ofSheetRev:

326.00

M574-6V00sch.sch2002

AM100Wed Nov 30, 2005

M574ACOUSTIC GUITAR AMP

N13

1

C54

FX20

0V2N

2

C10

FX16

V10

U

C20

FX10

0V10

0N

C27

FX50

V10

0N

C26

FX50

V10

0N

R15

FX:G

1/4W

10PI

N33

0RX9

N14 N16

OU

T1

Link

R294FX3818

R295FX3818

R9FX1/4W

MINI1K

100VC22FX

10N

C28

FX50

V10

0N

4148

D2F

X

C25

FX20

0V2N

2

C2FX16V33U

R6F

X1/

4W MIN

I6K

8

C6FX50V22U

R17FX1/8W

10R

R8FX1/4W

RAD100K

16MHZ

X1FX

6940

C12FX200V 2N2

C11FX16V 10U

R7FX1/4W

MINI470R

C8FX200V 2N2

C9FX16V 33U

TO92

MPSA06

Q1FX5103

C1FX63V680N

C19FX16V 33U

R15

FX:D

1/4W

10PI

N33

0RX9

R15

FX:C

1/4W

10PI

N33

0RX9

R15

FX:B

1/4W

10PI

N33

0RX9

R15

FX:I

1/4W

10PI

N33

0RX9

R15

FX:E

1/4W

10PI

N33

0RX9

R15

FX:F

1/4W

10PI

N33

0RX9

OU

T_G

ND

Link

OU

T2

Link

+5V

Link

C7FX200V 2N2 Copper

Tie Here CopperTie Here

C23FX16V 33U Lo

_Bit0

Link

Lo_B

it1

Link

Lo_B

it2

Link

012

CO

M3

ROT H4527

P12FX:AEFFECTS SELECT

R16FX1/4W

RAD470R

R11FX1/4W

MINI10K

U4FX:G

U4FX:E

U4FX:D

R5FX1/4W

MINI1K

16VC21FX1

100U

C3FX200V27P

C24

FX20

0V2N

2

C4FX200V27P

R15

FX:A

1/4W

10PI

N33

0RX9

R13FX1/4W

MINI1K

TO92

MPSA13

Q2FX5105

R28FX1/4W

MINI220R

R29FX1/4W

MINI220R

C18FX100V 10N

R15

FX:H

1/4W

10PI

N33

0RX9

U4FX:B

U4FX:C

U4FX:A

U4FX:F

U4FX:H

R12FX1/4W

MINI1K

R100FX:F1/4W10PIN

_10KX9

R100FX:G1/4W10PIN

_10KX9

R100FX:H1/4W10PIN

_10KX9

R100FX:C1/4W10PIN

_10KX9

R100FX:A1/4W10PIN

_10KX9

R100FX:D1/4W10PIN

_10KX9

D_G

ND

Link

R10FX1/4W

MINI470K

C17FX100V 10N

74HC374N6943

U4FX:I

R100FX:B1/4W10PIN

_10KX9

R100FX:E1/4W10PIN

_10KX9

ST R

- - -

J7EFX ON-OFF

100-1355-101

ASIC 2

ART FX DSP2

(DA

C04

)(D

AC

05)

(DA

C02

)(D

AC

03)

(DA

C01

)(S

H2)

(SH

1)

(DA

C00

)

(DA

C09

)(D

AC

14)

(DA

C10

)

(DA

C06

)(D

AC

07)

(DA

C08

)(D

AC

15)

(DA

C11

)(D

AC

12)

(DA

C13

)

U2FX

CRYSTAL ADC/DAC

CS4218

CRYSTAL ADC/DAC

CS4218

12

9

6

3

13

1011

7

4

12

5

8

V

V

V

V

V

VV

V

V

.

V

V

.

D

D

D

D

N

N

N

N

D

DD

D

D

.

D

.

D

N

NN

N

N

REMOVED LED5 AND R69 FROM LAYOUT - ONLY PADS

N

N

REPLACED JUMPERS WITH RIBBON CABLES

13

10

7

4

1

9

1112

8

#

23

56

VER#MODEL(S):-

DATE DESCRIPTION OF CHANGE

6.00

4.00

.

.

1.00

5.00.

3.002.10

.2.00

1.201.10

AUG-19-2005

JAN/15/03

JUN/25/01

.

APR/17/00

CONV. PCAD2002:PC#6928:ADD ETCH GUIDE, TARGETS

PC#6584 YELL LED #6407 -> #5994

FIXED SPAN ON R16, R17

PC#6292 R16FX 680R -> 470R . DELETE C5FX

FIRST PRODUCTION

AM100

NOV/23/04MAY/04/05

APR/17/02NOV/13/01

.DEC/20/00

OCT/11/00MAY/11/00

PC#6846 REDO SOLDERMASKPC#6771 #3571 -> #3507 (SOCKET FOR #6993 SRAM)

UPDATE TAB AND FUSEHOLDER PADS

ENABLE FOOT SWITCH ADD X79PC#6313 REVERSE CONNECTION TO EFX.

PC#6285 C21, C252 100n -> 10nPC#6252 NA FUSE 1.6A-SB -> 1.25A-SB

M574

ADD 0.05" TO BOARD EDGE AT P12

VCDCLINCH

ORIGIN LONG AXIS

SH

OR

T A

XIS

INSERT

ORIGIN M574

V6.0

0M

574

Pcb

Mec

h

V6.00

BlankSize - 18250x8600

Pcb MechTAB

NORMAL

SOCKET

SOCKET WITH DIRECTION

NORMAL LARGE

SOCKET UPSIDE DOWN

EYELET LEGEND

1

1

M574 V6.00

TL074CN

V6.0

0M

574

M57

4To

p A

ssy

LM3876T

TL072CP

Top Assy

74HC374N

MC33078P

PRODUCTION NOTES1) RTV ALL 0.2" ELECTROLITIC CAPS RTV CAPS TO SOCKET IN DIGITAL EFFECTS AREA

2) DO NOT STUFF LED5, R69

3) TRIM THE LEADS OF U4A AND U4B AFTER SOLDERING

4) FOR CE USE 100N 250V PT#5242 FOR C32 AC CAP

5) FOR NA USE 22N 275V PT#6435 FOR C32 AC CAP

6) DO NOT CUT THE LEADS OF D1, D2, D3, D4 BEND OVER FLAT TO BOARD

RTV

RTV

VTR

RTV

RTV

-+ + -

RTV

RTV

GUIDEETCH

BA

R D

OW

N

HandInserted

RTV

-

-+

+

GUIDEETCH

-++

-

GUIDEETCH

VTR

BA

R D

OW

N

D GSTO-92

J109

VTR

21

RTV

BA

R D

OW

N

GUIDEETCH

RTV

VTR

7

7

V+A

NC

1

OU

T

V-

V+B

GN

D

MU

TE

IN-

IN+

NC

3

NC

2

7

"STYLE_P28" "STYLE_P27"

VTR

12

3

-+ +

-

BA

R D

OW

N

I OG

78XX

TO-220E CBTO-92

MPSA13MPSA06

6840_PC

6882_PC

6889_PC6943_PC

V+A

NC

1

OU

T

V-

V+B

GN

D

MU

TE

IN-

IN+

NC

3

NC

2

7

7

32

30

26

24

20

18

14

12

33 35

31

36

34

25

27

19

21

10

13

15

911

39 41

40 42

46

35

45 47

46 48

8284

83 81

51 53

52

57

55

61

63

67

69

73

78

76

77 75

54

56

60

62

66

68

74

72

28

22

16

23

29

17

59

65

71

58

64

70

37 43

38 44

28

17

49

50

80

79

11

8

5

2

12

9

6

13

10

7

34

1

D

D

D

V

V

V

N

N

N

D

D

D

D

D

D

DD

V

V

V

V

V

V

VV

N

N

N

N

N

N

NN

. . REMOVED LED5 AND R69 FROM LAYOUT - ONLY PADSREPLACED JUMPERS WITH RIBBON CABLES..

12

9

6

3

#

13

1110

54

87

21

DATEMODEL(S):-

VER# DESCRIPTION OF CHANGE

MAY/04/05

APR/17/02

.

OCT/11/00

3.00

.

1.20

PC#6846 REDO SOLDERMASK

UPDATE TAB AND FUSEHOLDER PADS

ENABLE FOOT SWITCH ADD X79

PC#6285 C21, C252 100n -> 10n

NOV/23/04JAN/15/03

NOV/13/01JUN/25/01

.DEC/20/00

APR/17/00MAY/11/00

4.00.

.2.10

.2.00

1.001.10

PC#6584 YELL LED #6407 -> #5994PC#6771 #3571 -> #3507 (SOCKET FOR #6993 SRAM)

PC#6313 REVERSE CONNECTION TO EFX.PC#6292 R16FX 680R -> 470R . DELETE C5FX

FIXED SPAN ON R16, R17ADD 0.05" TO BOARD EDGE AT P12

PC#6252 NA FUSE 1.6A-SB -> 1.25A-SBFIRST PRODUCTION

M574AM100

5.00AUG-19-2005 6.00 CONV. PCAD2002:PC#6928:ADD ETCH GUIDE, TARGETS

FUNCTION KNOBREFMODEL(S):-

PART#

RRR

RRR

P8P12

P1

P2 ,P3, P4

FFF

FFF

NOTCH, MASTERDRY/WETEFFECTS

GAIN CH 1GAIN CH 2BASS, MID, TREB

PPP

PPP

#4419#4417#4527

#4417#4418#4420

NNN

NNN

'' "'' ''

MAR/2000

" "

KKK

KKK

#8641#8641#8641

#8641#8641#8641

MAR/2000

M574 POT LISTAM100

" "

" "

P5

P6, P7

"STYLE_P31"6755_PC

5

2

#

6

34

1DATE

MODEL(S):-VER# DESCRIPTION OF CHANGE

D V ND

DD

V

VV

N

NN

N

AM100M574 DRILL HISTORY

V13V14

DEC-09-2003AUG-23-2005 CONVERSION TO PCAD2002

4

1

65

3

#

2

MODEL(S):-PC#

*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY

PENDING CHANGE

X

X

XX

XX

PC

PC

PCPC

PCPC

M574 PENDING CHANGESAM100

CLIP

TREBLE WET/DRY

NOTCH MASTER

LINE

OU

T

BASSMID

EFX

SE

ND

LEFT AMP

EFX

ON

-OFF

CHAN 1 NOTCH

INPUT 2

CLIP

FUNCTION

EFFECTS SELECT

EFX

RE

TUR

N

CH

AN

2 E

FX B

YPA

SS

3674

3818

6405

5630 68

27

5994

6408

5865

#647

4

3417

3674

5630

4420

3417

6827

4417

3818

3417

3414

6451

44194419

36653676

36763676

36763676

3923

6827

36763676

36653665

6940

36763665

6435

44174420

4420

6755

3665

3425

5887

36606405

6738

6827

366536653665

6755

6993

3425

6994

4527

5887

6992

4418

3425

6943

5011

5010

6981

100K

16V

0

16V

0

10K

068

0P

1K0

680P

1U63V

3K3

4K7

4148

1U63V

2N2

20K

180K 25V

100U

1/2W 10

R

4007

100N

2K49

10K

0

10K

010

0K

2K49

2K49

1K

1K

2N2

220R 10

N

100N

4148

100K

20K

0

1K0

3K3

47K

3K3

3K3

10K

0

18N

4148

10K

010

0N

4148

4007

100N

10K

010

K20

K0

10K

0

10K

020

K0

10K

10K

1K2

2K 10K

1K

2N2

2N2

470R

100N

470K

330R

330R

1/2W

330R

1/2W 33

0R1/

2W

1M

100P

4148

18N

5K1

470N

33R

10K010K0

2K2K

100N

100N

10K0

2K49

4148

RED

10N

100P

10K0

4148

15P

1U

2N2

25V

330U

15K

1N4K

7 TLO

74C

N

100K

100K

63V10U

1K

100K

63V1U10K0

15K

10K0

220N100N

10N

470K

22V

0

10K010K0

180K

2K2

1U

10K0

4148

63V4U7

1N54

02

100N

1.0W

100R

1.0W

100R

1.0W

100R

1U

1U

220N

68N

68N

33U16V10

K0

10K0

680P

100N

27P

10K

068

0P

63V10U

1K

100K

100N

33U16V

10K

2N2

33U

16V

16V100U

10N

YEL

33U

16V

10U16V

220R

10N

10N

33U

16V

2N2

10R

100N

GR

EEN

100N

PTC

1K0

2N2

33U

16V

1K2K

10N

25V

330U

50K

B LIN

100N

100K10

K0

10K

0

TLO

74C

N33

K

MP

SA

13

1K40

07

33U16V

1N54

02

100R

1.0W

100R

1.0W

10K

10K

TLO

74C

N

10K

020

K0 20

K0

15P

10K

5B LIN

100N

1K

27P

100N

6K8

2N2

470R

4N7

250V

330R

1/2W

330R

1/2W 1/2W

330R

1/2W

330R

330R

1/2W

B LIN

100K

B LIN100K

47K

100N4148 10K0

1K5

10R1/2W

562R10K0

1N4K99

4K99

10K0

1K5200R

5K1

1K5

1K5

2K49

2K49

249R

10K0

10K

1K

10N

1K

4U7

63V

TL07

2CP

MPSA13 10K

4007

1U

10R1/2W220N

562R

MC33078P

31K6

1N

21K5

1N54

02

J109

1/2W 10

R10K

2K49

TLO74CN

2K49

249R

16M

HZ

470R

249R

1K

33R5.0W

15K

MPSA13

1K

33U

16V

MPSA06

33U

16V

680N

275V22N

100N

4U7

63V

10K

5B LIN

50K

B LIN

50K

B LIN

LM3876T

DPDT PUSH

2200U50V

22U50V

2N2

RE

D

{Watts}MC7805CT

1N54

02

100R

1.0W

LM3876T

IC 32KX8

DPDT PUSH

10U

16V

CS

4216

50V22U

ROT H

2200U50V

ART-1365

1365-102

10K

5C R/A

DPDT PUSH

120R

74HC374N

_10KX9

330RX9

27C512 PROM

V6.0

0M

574

3/3

AM

100

V6.00

R69

DNSLED5

V6.00

R10

ZD3

X54

ZD2

R80

C16

B

R54

C15

B

X28

C100

R41

X46

R21

1

D20

1 C202

C64

R21

A

R52

C8

R25

A

X88

D5A

C42

R23

0

R23

3

X55

X66

X65

R22

0R

13A

R22

2R

236

R20

A

X1

X113

R13

FX

C8FX

X105

X115

R29

FX

C17

FX

X79

C46

D31

R65

R31

R8

X41

R46

R47

R38

R45

X5

X6

R42

C61

D25

R22

9C

27

D26

A

X83 D

2A

X43

X59

C50

R21

R28

R15

5

R17

R16

R239

R29

R2

X9

R22

4R

1

X13

R15

R67

C25

FX

X11

6C

24FX

R7F

X

X25

X51X

50

X53

X56

X103

X100

C26FX

R10

FXR

294F

X

R66

R39 R201

X34

R206

X29

R3

C3

W16BLK

D60

C60

R43

X44X45

C62

R90

R89R84

R86R87

C41

C40

X60

R19

X69

X42

R234

X8

D2FX

W15GRN

LD2

C2

C4

R4

D26

C12

C21B

C10

C28

W9

LEFT_+)

BLU

E R22B

C16

R50

U5

R40

R13

B

C17B

R20

B

X68

R161

C121R82

R83

R85

C65

C63

C66

R21

2

ZD10

W18GRN

R232

R23

7

R18

A

R21

0C20

1

W8

RIGHT SPKR(-)BLACK

R11X

58

D10

W7

X86

C250

D2

X48

X70

C251

R25

1

R25

3

R25

5

W13

SPK

R(+

)

RED

C22AC21A

C23A

C68

C15

7

C19

R23

1

R26

X67

C16

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LINE

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RD

4" B

LACK

DBL

/INS

AM100 EXPORT ACWIRINGMay 23 2000

# 8 4 8 6L O C K W A S H E R

C H AS S I S

1309

4" B

LACK

DBL

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LINE

CO

RD

4" B

LACK

DBL

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AM100 EXPORT ACWIRINGJUN 25 2001

# 8 4 8 6L O C K W A S H E R

CHASSIS

1309

4" B

LACK

DBL

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WHI

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YELREDBLK

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YEL RED RED