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ACOUSTIC MASTER

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

WORLD HEADQUARTERS CANADA Yorkville Sound
550 Granite Court Pickering, Ontario L1W-3Y8 CANADA Voice: (905) 837-8481 Fax: (905) 837-8746

U.S.A. Yorkville Sound Inc.
4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (716) 297-2920 Fax: (716) 297-3689

Quality & Innovation Since 1963
Printed in Canada

SERVICE MANUAL
Manual-Service-am100-1v2.pdf

TYPE: YS1004

am100 Oct. 20, 2000
YS No. 3507 3550 3557 3571 6994 6940 6405 6407 6408 6825 6438 6827 6822 6463 6738 5103 5105 5122 6755 6840 6882 6889 6943 6986 6992 6993 5402 5405 5199 5410 5420 5422 5208 5274 5426 6451 5204 5300 5207 6435 5310 5228 5314 5231 5234 5255 5256 5259 5281 5945 5260 5961 5267 5879 5630 5887 4527 4417 4418 4420 4419 711 8547 8570 3467 3489 3491 3682 3498 3528 3417 3660 3923 3451 3414 2439 8459 8604 7418 3745 3804 3795 3803 3810 8636 8641 3481 Description 28 PIN X .6" I.C DEEP SOCKET 44PIN PLCC SOCKET 84PIN PLCC SOCKET 28 PIN X .6" I.C. SOCKET CRYSTAL CODEC 44PIN PLCC 16MHZ CRYSTAL VERT 2-PIN .25"CASE RED 3MM LED 1V7 5MA BRT YEL 3MM LED 1V8 5MA GRN 3MM LED 1V9 5MA FROSTED 1N4148 75V 0A45 DIODE T&R 1N4004 400V 1A0 DIODE T&R 1N5402 200V 3A0 DIODE 1N4745A 16V0 1W0 ZENER 5% T&R 1N5251BRL 22V0 0W5 ZENER 5% T&R MC7805CT TO220 P 5V0 REG V1 MPSA06 TO92 NPN TRAN T&R TA MPSA13 TO92 NPN DARL T&R TA J109 TO92 NCH JFET T&R TC LM3876T IC 40 WATT POWER AMP MC33078P IC DUAL OP AMP TL072CP IC FET DUAL OP AMP TLO74CN IC QUAD O/A T.I ONLY 74HC374N IC OCTAL DTYPE LATCH 27C512 PROM IC YORKVILLE 16X2 PRG 1365-102 IC DIGITAL REVERB ASIC 1250-101 IC SRAM 32KX8 _15P 100V 10%CAP T&R BEAD NPO _27P 200V 5%CAP T&R RAD CER.2"NPO 100P 100V 2%CAP T&R RAD CER.2"NPO 100P 100V 10%CAP T&R BEAD NPO 680P 50V 10%CAP T&R BEAD NPO __1N 50V 10%CAP T&R BEAD NPO __2N2 400V 5%CAP T&R RAD .2"FLM __2N2 200V 5%CAP T&R RAD CER.2"NPO __2N2 50V 10%CAP T&R BEAD Y5R __4N7 250V 20%CAP BLK 'Y' 10MM AC _10N 100V 10%CAP T&R RAD .2"FLM _10N 50V 10%CAP T&R BEAD X7R _18N 100V 5%CAP T&R RAD .2"FLM _22N 275V 20%CAP BLK 'X2' 15MM AC _68N 50V 10%CAP T&R BEAD X7R 100N 100V 5%CAP T&R RAD .2"FLM 100N 50V 10%CAP T&R BEAD X7R 220N 63V 10%CAP T&R RAD .2"FLM 470N 63V 10%CAP T&R RAD .2"FLM __1U 63V 20%CAP T&R RAD .2"EL __1U 63V 5%CAP T&R RAD .2"FLM __4U7 63V 20%CAP T&R RAD .2"EL _10U 16V 20%CAP T&R RAD .2"NP _10U 63V 20%CAP T&R RAD .2"EL _22U 50V 20%CAP T&R RAD .2"EL _33U 16V 20%CAP T&R RAD .2"NP 100U 25V 20%CAP T&R RAD .2"EL 100U 16V 20%CAP T&R 8X7MM .2"EL 330U 25V 20%CAP BLK 10X13MM EL 2200U 50V 20%CAP BLK 18X27MM EL ROT GRY 20MM 4BIT ENCODER P31 _10K 5B LIN 9MM HORIZONTAL P28 _10K 5C R/A 9MM HORIZONTAL P28 _50K B LIN 9MM HORIZONTAL P28 100K B LIN 12MM HORIZONTAL STP27 30 X 50 X 1.5MIL PLASTIC BAG PLASTIC FOOT BLACK CORNER, 2 LEGS NOTCED LIP BLACK CLIP 205X032 14-16AWG DISC/INSUL CLIP 250X032 18-22AWG DISCO/INSL CLIP 205/187X020 18-22AWG DISCO/INS 250 MALE PCB TAB BULK CARTRIGE 1/4" JCK PCB MT HORZ 1/4" JCK PCB MT HORZ GOLD TR_ 6-32 SCREW TERMINAL PC MOUNT XLR FEML PCB MT HORZ XLR MALE PCB MT HORZ MTHOLE-V SNAP EYELET SMALL 0.089 OD PLATED INTERNATIONAL PC MOUNT FUSEHOLDER 1.25 AMP SLO-BLO .25X1.25 FUSE 9.5" STRAP HANDLE, PLASTIC COVERS 10-32 T NUT 8R 30W TWEETER PIEZO KSN1056A DUAL XSISTOR PBL SPRING PLATE ZN SNAP ON 1.5" INSULATING BUSHING #8 GROUND LUG ZIERICK 505-169 NYLON SECUR-A-TACH MINI PLASTIC TIE 4" NYLON CABLE TIE BUTTON KNOB FLAT BLACK AQUA KNOB FOR "NEW" ACOUSTIC SERIE 8' 3/18 SJT AC LINE CORD 250 CLIPS Qty. 1 1 1 1 1 1 2 1 1 9 4 4 2 1 1 1 3 1 2 1 1 4 1 1 1 1 2 3 1 1 4 3 2 6 2 1 5 5 2 1 2 3 13 3 1 2 6 3 4 3 1 7 1 2 2 2 1 2 1 3 2 1 8 6 2 5 7 13 4 1 3 1 1 7 2 1 1 2 1 2 1 1 1 4 3 9 1 YS No. Description 3834 HEYCO #1214 STRAIN RELIEF "Y" LOGO ACOUSTIC SERIES SML. DOMED 3674 9 CIR CABLE HOLDER .098 8800 6-32 KEPS NUT ZINC 8787 8-32 KEPS NUT ZINC 8845 10-32 PEMNUT SS-032-2-Z1 8898 1/4-20 CAGE NUT C7998142027 3830 TO218 PREGREASED MICA 56-78-2AP 3850 TO-220 PLASTIC TRANSISTOR INSULATOR 8581 CUSTOM PBL TRANSISTOR SPACER 3818 EMI SUPPRESSION FERRITE BEAD T&R 4597 22AWG STRAN TC WIR JMP 4599 22AWG SOLID SC WIR T&R JMP 4594 1/8W 10R0 2%FLAME PROOF T&R RES 4675 1/2W 10R 5% T&R RES 4816 1/4W 33R 5% T&R RES 4704 5.0W 33R 5% BLK RES 4735 1.0W 100R 5% T&R RES 4897 1/4W 120R 5% T&R RES 4909 1/4W 200R 5% T&R RES 4977 1/4W 220R 5%MINI T&R RES 4770 1/4W 249R 1% T&R RES 4655 1/2W 330R 5% T&R RES 4855 1/4W 330R 5% T&R RES 5010 1/4W 330RX9 5% 10PIN SIP RES 4821 1/4W 470R 5% T&R RES 4799 1/4W 562R 1% T&R RES 4923 1/4W 680R 5% .2"U T&R RES 4981 1/4W 1K 5%MINI T&R RES 6110 1/4W 1K0 1%MINI MF T&R RES 4585 1/4W 1K2 5%MINI T&R RES 4988 1/4W 1K5 5%MINI T&R RES 4808 1/4W 2K 5% T&R RES 4847 1/4W 2K2 5% T&R RES 6114 1/4W 2K49 1%MINI MF T&R RES 4826 1/4W 3K3 5% T&R RES 4827 1/4W 4K7 5% T&R RES 4639 1/4W 4K99 1% T&R RES 4893 1/4W 5K1 5% T&R RES 4978 1/4W 6K8 5%MINI T&R RES 5011 1/4W _10KX9 2% 10PIN SIP RES 6116 1/4W 10K0 1%MINI MF T&R RES 4830 1/4W 15K 5% T&R RES 6123 1/4W 20K0 1%MINI MF T&R RES 4777 1/4W 21K5 1% T&R RES 4917 1/4W 31K6 1% T&R RES 4840 1/4W 33K 5% T&R RES 4834 1/4W 47K 5% T&R RES 4942 1/4W 100K 5% .2"U T&R RES 6120 1/4W 100K 5%MINI T&R RES 4796 1/4W 180K 5%MINI T&R RES 6127 1/4W 470K 5%MINI T&R RES 4844 1/4W 1M 5% T&R RES 3608 10" 9C-24AWG RIBBON HITMP 0.1" 8842 #4 X 5/16 PAN QUAD TYPE A JS500 BLK 8801 6-32 X 3/8 PAN PH TAPTITE JS500 8829 6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA 8806 6-32 X 1/2 PAN PH TAPTITE JS500 8828 6-32 X 3/4 PAN PH TAPTITE JS500 8878 #6 X 2" PAN PHIL TYPE A JS500 BLACK 8803 8-32 X 3/8 PAN QUAD TAPTITE JS500 8763 8-32 X 1/2 PAN PH MS JS500 BLACK 8874 8-32 X 1" PAN PHIL TAPTITE JS500 8749 10-32 X 1/2 QDX PH TAPTITE JS500 8753 #10 X 1/2 PAN PH TYPE A JS500 BLACK 8756 #10 X 3/4 PAN PH TYPE A BLACK OXIDE 8781 #10 X 7/8 FLAT PHIL TYPE A JS500BLK 8912 10-32 X 1 FLAT PHIL MS JS500 BLK 8770 1/4-20 X 1 5/16 TRUSS PH MS JS500 8905 YORKVILLE PRODUCT SCHEMATIC 3833 8 X 3/8 (250 OD,.171 ID)NY SPACER 6.5 INCH WOOFER 8820 #8 FLAT WASHER JS500 8473 #10 BLACK CUPWASHER SWF-10BK 3425 DPDT PUSH SW PCMT MAKE B4 BREAK 3698 SPST ROKR SW QUIK 180" AC PWR BL/BL 8468 VELCRO STRAP 3/4"X22CM (VELSTRAP) 1310 4200 BLOC-80B/100G S120B/100K XFMR Qty. 1 1 2 8 4 2 2 3 1 3 2 18 71 1 4 1 1 6 1 1 2 3 8 1 1 2 2 1 13 2 1 4 4 1 10 4 2 2 2 1 1 37 3 4 1 1 1 2 1 7 2 2 1 1 4 5 5 1 5 4 2 4 2 1 12 12 10 4 2 1 5 2 6 3 3 1 1 1

#
1 2

Part#
3450 4417 4420 4420 4420 4419 3660 4418 4419 4417 4527 8641 3698 3425 8636 Z338 8547 8570 3834 8459 3923 8468 3481 7418

Description

Function
Jack Gain 1 Bass Mid Treble Notch Jack Gain 2 Volume Effects Presets Knob

Labeled Components
1/4" JCK PCB MT HORZ GOLD TR_ _10K 5B LIN 9MM HORIZONTAL P28 _50K B LIN 9MM HORIZONTAL P28 _50K B LIN 9MM HORIZONTAL P28 _50K B LIN 9MM HORIZONTAL P28 100K B LIN 12MM HORIZONTAL STP27 XLR FEML PCB MT HORZ _10K 5C R/A 9MM HORIZONTAL P28 100K B LIN 12MM HORIZONTAL STP27 _10K 5B LIN 9MM HORIZONTAL P28 ROT GRY 20MM 4BIT ENCODER P31 Note: All pots use 8641 Aqua Knob SPST ROKR SW QUIK 180" AC PWR BL/BL DPDT PUSH SW PCMT MAKE B4 BREAK BUTTON KNOB FLAT BLACK AM100 Grill (special order while unit is in production only) PLASTIC FOOT BLACK CORNER, 2 LEGS NOTCED LIP BLACK HEYCO #1214 STRAIN RELIEF 9.5" STRAP HANDLE, PLASTIC COVERS XLR MALE PCB MT HORZ MTHOLE-V SNAP VELCRO STRAP 3/4"X22CM (VELSTRAP) 8' 3/18 SJT AC LINE CORD 250 CLIPS 8R 30W TWEETER PIEZO KSN1056A

applicable to serial numbers 001xxxx

3 4 5 6 7 8 9 10 11 knob 12 13 13 14 15 16 17 18 19 20 21 22 23

YSM-1WFR 6.5 INCH WOOFER

Internal Electronic Components
1310 2439 3608 3745 3830 3850 4594 5010 5011 5103 5105 5122 4200 BLOC-80B/100G S120B/100K XFMR 1.25 AMP SLO-BLO .25X1.25 FUSE 10" 9C-24AWG RIBBON HITMP 0.1" DUAL XSISTOR PBL SPRING PLATE ZN TO218 PREGREASED MICA 56-78-2AP TO-220 PLASTIC TRANSISTOR INSULATOR 1/8W 10R0 2%FLAME PROOF T&R RES 1/4W 330RX9 5% 10PIN SIP RES 1/4W _10KX9 2% 10PIN SIP RES MPSA06 MPSA13 J109 TO92 NPN TRAN T&R TA TO92 NPN DARL T&R TA TO92 NCH JFET T&R TC

Notes:

5887 6463 6738 6755 6822 6827 6840 6882 6889 6986 6992 6993 8581

2200U 50V 20%CAP BLK 18X27MM EL 1N5251BRL 22V0 0W5 ZENER 5% T&R MC7805CT TO220 P 5V0 REG LM3876T 1N4745A V1 IC 40 WATT POWER AMP 16V0 1W0 ZENER 5% T&R

1N5402__200V 3A0 DIODE MC33078P IC DUAL OP AMP TL072CP TLO74CN IC FET DUAL OP AMP IC QUAD O/A T.I ONLY

27C512 PROM IC YORKVILLE 16X2 PRG 1365-102 IC DIGITAL REVERB ASIC 1250-101 IC SRAM 32KX8 CUSTOM PBL TRANSISTOR SPACER

p-am100-final v3.xls - 10/19/00

ftp.yorkville.com/parts

Instrument Amplifiers

Block Diagram for AM100
DESIGNED AND MANUFACTURED BY YORKVILLE SOUND

Channel Inputs
Input 1 Gain Pot EQ Low / Mid / High Mono 1/4" High Z Gain 1 In 1

Notch Switch On / Off

Speaker Outputs
Amber LED ON for Bank A Bank A Bank B Wet / Dry Right Bus DIGITAL EFFECTS Bank A or Bank B Left Bus On / Off Master R AMP R Tweeter 8 Ohms

8 Ohms

XLR

Balanced

Input 2 Gain Pot AMP L

Mono 1/4"

Low Z In 2 Gain 2

Ch 2 EFX On / Off

Master L

8 Ohms

EFX Send (ch 2)

EFX Return (ch 2)

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

Foot EFX Switch (In / Out)

Effects Loop and Line Out

BLOCK-DIAGRAM-am100-2v0 .ai

R18A 180K

WET/DRY

NO_GOLD 2

4

6 +5VDC

CW

0.5W

0.5W

D1A

1N4004

CW

LEFT(PIN16) ART_INL ART_INR ART_GNDI MPSA43 MPSA56 PIN OUTS EBC BC550C BC560C DRY(PIN27) WET(PIN25)

680P

DIGND DUMMY TAB11

1N4004 D2A

SW1 400V 4n7 F1
T800mA

1N5402 D4 1N5402

C26 40V AG 2200U R201
0.5W

C28 25V 330U 330R

2K49 R240

CW

10

11

1

2 3

4

5

6

7

8

0.5W

9

1.25A-SB

F1

PIN 1

GRN/YEL

BROWN

BLUE

0.5W

M574.SCH_DATABASE_HISTORY
+16V

C152 100N C151 100N

C40 100N C41 100N

C45 100N C43 100N

C42 100N C50 100N

C57 100N C150 100N

C44 100N C58 100N SG -16V NOTES: ALL UNMARKED DIODES ARE 1N4148 AC VOLTAGES MEASURED AT 1KHz AND WITH VOLUMES AT 10, TONES AT 0

MODEL(S):# DATE
1 2 3 4 5 6 7 8 9 10 MAR/20/00 MAY/08/00 MAY/24/00 OCT/11/00 DEC/20/00 . OCT/24/01 D D D

AM100 VER# DESCRIPTION OF CHANGE
1.00 1.10 1.20 1.30 1.40 . 1.50 V V V UPDATE_CE_AC-PWR_SUPPLY UPDATE_FUSE_VALUES C32_FOR_CE_680n->100N PC#6285_C21,C252_100N->10N PC#6313_REVERSE_CONNECTION_TO_EFX ENABLE_FT-SW CORRECT_C201-C202 N N N

1 2 3 4 5 6 7 8 9 10

MODEL(S):- AM100 # REF FUNCTION PART# #4417 GAIN
P1 P2 P3 P4 P5 P6 P7 P8 P12 . BASS MID TREBLE GAIN NOTCH MASTER DRY-WET EFFECT-SEL . #4420 #4420 #4420 #4418 #4419 #4419 #4417 #4527 .

BLACK

GREEN

WHITE

KNOB #8641
. . . . . . . . .

AS_OF OCT/2000 . . . . . . . . .

AG_R C22A 50V 1U POLY

0.5W

U:\M574V15.PRN

VOLUME1 10K
CW

CLIP R70 +16V 1K
RED

C46 100N Q10 A13

R25 D31 C1 15P D26 R65 100K R105 LG 100K R31 20K D6 C100 1U 63V
OUT

R26 2 3 10K0 1 U8
1/4

10K0 SG 33U R21 16V 10K0

NUTRIX LINE-OUT R27 249R R24 249R IG JB8 1Vrms

5B P1 4U7 16V C6 CHANNEL 1 INPUT R9 1K 4U7 16V C7 R8 1K C15 33U 16V

LED2

D60 C66 10N R86 2K R87 2K C67 2N2 . SG 9 8 10 U6
1/4

R1 2K R224 1K2 R2 10K 9 10 U8

R15 10K C19 8
1/4

10K R83 CH1_NOTCH SW1 C62 15K 13 C63 100N 12 R89 10K0 SG SG 14 U6
1/4

TL074 R22 10K0

SG C4 100P R10 100K 2

C64 2N2 R84 10K R85 10K R90 33R C65 220N .

SG

R55

TL074

TL074 R230 R231 10K0 R233 10K0 6 5 2K49
T R S

R38 3K3 BASS

50K
CW

R46 3K3

B P2 R47 47K C11 10N B P3
CW

C121 1U 63V

IN

470N

TL074

JB6 NO_GOLD EFX/SEND CH2 1Vrms IG IG 7 R225 249R

R161 100K SG

100MVRMS JB2 MONO 1
S

C2 10N 3
R

1 R4 10K0 R3 1M C3 100P 3 U1
1/2

U8
1/4

5
T

R48 47K R51 2K 6

C12

15P 7

TL072 R45 3K3 MID SG

TL074 R234 2K49

NO_GOLD 2

4

6
2 1 J9

10K0 10K0 R12 R14 P6 100K
CW D B NOTCH

CH2 EFFECTS BYPASS SW3
1 OUT

2N2 50K C10

5

U1
2/2

R80 P6 100K CW D B 7 5 SG R40 100K U5
2/4

TL072 C17 2N2 R48A 1K TLO74
1/4

10K0 R82 R81 10K0 9 8 10 SG U5
1/4

2 IN

SW3
4

3

IG 250V C55 100N FROM AG

JB5 GOLD_TIP&RING 2K49 ARTGNDO TL074
1/4

CLIP R35 +16V 1K
RED

C27A 100N Q10A A13 D26A

R54 D25 R65A 33K 1K TREBLE LG

B P4
CW

R44 10K0 6

SG 2

10K0 1 3 14 R43 5K1 U5
1/4

C60 18N

C61 18N

OUT 5 IN 6

10K0 R235

T

R

S

EFX/RTN CH2

50K C16 1N

NOTCH

R236

LED1

12 R41 13

U5 R42 10K0

TL074

TL074 R50 4K7

TL074

14

U8

12 13

R220 10K0

CHANNEL 2 INPUT JP4 2 3mVrms MIC_IN 3 NUTRIX 1 R11 10K0 R19 100mvrms JP3 MONO 1
S

3K3 D10A SG VOLUME2 10K C13 1N R5 562R 6 5 R6 562R R34 4K99 7 U2
1/2 CW

R222 2K49 NO_GOLD
T R S

SG C18 C8 16V 100U 22U 25V C252 10N 1 C110 33U 16V R23 1K R67 1K 8 ART_GNDI R16 10 9 R29 10K 5B 10K R30 10K 10K P8 1 10K0 R232 TL074 R32 1K 14
1/4

EFX-ON/OFF

5C P5 120R R53 33U C9 16V 2 3 U2
1/2

R52 180K

TL074
1/4

10K0 R228 TL074
1/4

10K0 R229 SG 3 7 2 10K0 R237 SG

SINCE R227 AND R69 ARE PARALLEL ON THE PCB, R69 IS NOT STUFFED; R227 IS 200R 1K 1K5 R227 TL074
1/4

BIT5

R71 240R R69 5K1 31K6 R68 R223 1K R20B 10U 63V C17B
9

3
R

5
T

10K0

33078 R49 4K99 C14 1N

U9

U6

U6 21K5 R221

5 6

33078 SG

+38VDC AG_L POLY C21B 50V 1U AG_L R22B
1 5

5WATTS +38VDC 100R
1W

100R
1W

R255 100R
1W

R254 100R
1W

R253 100R
1W

R252 100R
1W

C251 100N

Q20 7805 1 IN OUT 3 REF 2

C21 10N

C5

R33 1K 33U 16V

R17 12 13 10K R18 ART_GNDI R153 DIGITAL EFFECTS ART_OUTL 2K49 R151 2K49 ARTGNDO R238 1K5 DGND RIGHT(PIN15) ART_OUTR R154 2K49 R150 2 3 6 5 R156 20K0 U9
1/4

D5B 1N4004 LEFT_SPR+ BLU

U9

10K

15K
3

C250 25V 4U7 AG

R211 ZD10 1N5251 22V R210 2K2 +38VDC 330R
0.5W

TURN-ON C201 1U 50V 470K R212 . D201 AG 330R
0.5W

4K7

C16B C157 68N B MASTER 7 100K D P7 AG_L AG_L R157 10K R13B 100K 680P C15B

7 10 8

C202 63V 10u

R28 Q11 J109 R21A 10K 20K

U4B
4

TAB9 10R R25B

LM3876 AG_L AG_L C22B 50V 1U POLY -38VDC
+38VDC

10R R23B

8R 6.5"

R251

R250

AG

POLY

C23B 40V 220N

EXPORT T1 230Vac 50Hz #1203 AG

400V

C32 100n

RED TAB6 X-F_SEC X-F BLK TAB1 T1 X-F_CT 120Vac 60Hz TAB5 #1310 YEL BLK AG TAB2 400V X-F TAB7 C32 22n X-F_SEC RED TAB3 AC_NEUT WHT C30 4n7 250V

+16V

-38VDC

D1 1N5402 D2 1N5402 D3 TO IG

R206 330R
0.5W

R207 330R
0.5W

TL074 R239 20K0 R155 20K0 1 U9
1/4

AG_L TURN-ON

LEFT_SPRTAB10 BLK AG

C25 R204 40V 2200U
AG

R205
SG

C27 25V 330U

16V 1N4745A ZD2 16V 1N4745A ZD3

LM3876T
R203 330R
0.5W

TL074 R241 20K0 AG_R

B MASTER 100K D

C68 68N

R91 10K

1K R20A AG_R 10U 63V C17A
9 1

POLY C21A 50V 1U AG_R R22A 15K
5 3

D5A 1N4004 RIGHT_SPR+ R24A RED
5W

1K5 CBE J109 STYLE "P27" STYLE "P28" STYLE_P31 ENCODER

330R R202
0.5W

-16V

AG_R

C16A 680P

7 10

U4A AG_L
4

BLK TAB4 AC_HOT

-38VDC

330R

R39

POLY LM3876 R23A 10R

DSG

M574.PCB_POT_LIST
R13A 100K AG_R

8 AG C15A AG_R 680P

TAB13 C23A 40V 220N R25A 10R

33R
8R 6.5"

TWEETER TAB12 YEL #7418 3.75" 8R

V+

NC

V-

OUTPUT

NC

NC

GND

NC(+)

MUTE

V_IN-

V_IN+

RIGHT_SPRTAB8 BLK
-38VDC

TURN-ON

AG

DATE: OCT/24/2001 YORKVILLE NAME: M574.SCH

MODELS: PCB#&VER:

AM100 M574

SHEET

1 OF

2

SCH ISSUE:

1.50

TITLE: ACOUSTIC_AMP

ART_INL ART_GNDI 28 27 26 25 24 23 22 21 20 19 18

C12FX

2

2 16V R28FX C11FX 1 2N2 10uF 220R
2 2 16V

ART_INR

VA
C19FX 10U ART_OUTL

DGND

LIN2 LIN1 RIN2 RIN1 VA AGND REFGND REFBYP REFBUF NC NC

1

1

C18FX 220R
1 2

R17FX C6FX 2 +5VFX
2

10 1
2

VA C7FX

DO4/F1 GND SDIN SDOUT SCLK SSYNC RESET CLKIN VD DGND NC

1

22uF 25V

22N

1

29 30 31 32 33 34 35 36 37 38 39

SMODE1 SFS2 SFS1 SMODE2 DI1 DI2 DI3/F3 D14/MA DO1 DO2 DO3/F2

U6FX CS4218 CRYSTAL ADC/DAC

NC LOUT ROUT NC PDN NC NC NC NC NC NC

17 16 15 14 13 12 11 10 9 8 7

ART_GNDO

10N
1

+5VFX

R29FX
16V 2 C23FX 10U

ART_OUTR

C17FX 10N
1

+5VIN C22FX 2 C21FX

#3818 L1FX
1 6

+5VFX C10FX C24FX C25FX D2FX C9FX
2

40 41 42 43 44 1 2 3 4 5 6

DGND

+5VFX R10FX 1 470K 2 R13FX
2 2 C1FX 3

+5V

BEAD

C8FX

C20

2

2

1

2

2

2

MCLK 2.2N RESET + R9FX 1 1K2
2

MPSA13

100U 10N 16V
1
1

1

#3818 L2FX BEAD

100N
1
6

1N4148
2 1

2N2
1

2N2
1

33U
1

33U
1

Q2FX
MPSA06
1 2

2

3

2

1K
1

Q1FX
1U
1 1

DIGND
+5VFX +5VFX 1 R6FX LED3 LED4
GRN YEL

DGND 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 LM311 Q_REQ FSYNCA TEST FSYNCO SDOUT SDIN SCLKO FSYNCI VDD GND CLRBR SAPSO HSTA8 IRA8 HSTOE HSTREQ HSTACK MUTO MUTEAD HSTWE

U2FX
53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33

+ R11FX 1 10K

6K8
2

PINOUT FOR 32K X 8 RESET
U1FX 10 9 8 7 6 5 4 3 25 24 21 23 2 26 1 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 2 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16

DGND 2

6 5 OUT 4

C2FX

IN

16V

MODIFY EFFECT

SW2 BANK/A-B
3 IN 2 OUT 1

33U
1

DGND DGND

32 28 VDD 1 NC

+5V NC

DGND

SW2 BANK/A-B

75 76 77 78 79 80 81 82 83 84 1 2 3 4 5 6 7 8 9 10 11

AA16 AA15 AA14 AWRE AA12 AA13 AAO7 AA08 AA06 AA09 VDD GND AA05 AA11 AA04 AROE AA03 AA10 AA02 AD7 AA01

ART FX DSP2
100-1355-101

ASIC 2

MUTE EA6 EA7 EA4 EA5 EA2 EA3 EA1 ED7 GND VDD ED6 EA0 ED5 ED0 ED4 ED1 ED3 ED2 MCEQ0 PPSEL

330R

R66

470R

R147

U3FX
10 9 8 7 6 5 4 3 25 24 21 23 2 20 22 2 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 CS OE 27C512 11 12 13 15 16 17 18 19 26 27 1

O0 O1 O2 O3 O4 O5 O6 O7 A13 PGM/A14 VPP/A15

+
DGND

MCLK
2

27

R12FX
1

1

R5FX 1K2

22 20

24 22 OE 30 CS1 29 CS2 R/W 13 14 15 17 18 19 20 21 11 12 13 15 16 17 18 19 2

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

AA00 AD6 AD0 AD5 AD1 AD4 AD2 AD3 RESET BBROWN GND VDD XTALO XTALI OVFL ENC1A ENC1B ENC2A ENC2B EDCLK MCLK

1K

SELECT EFFECT
4BIT BITS 0-3 TO ENCODER (GRAY) ENCODER
P12 4 3 2 1 5

128K x 8

C4FX

C3FX

1

1

1

1

1

1

1

1

R100FX FX
10K RESET

2

100N

1

16MHz 100K 2 R8FX

R7FX

+5VFX

I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7

X1FX
2 1 2

R16FX
1

+5V

470R

470R C42FX

+5V
1 1 1 1 1

2

1

+5VFX
1 1 1 1

DGND
7 BIT0 BIT1 BIT2 BIT3 BIT4 TO EFX JACK DGND BIT5 BIT6 BIT7 6 9 8 5 4 3 2

27pF
1 1

27pF CLIP/OVERFLOW
1 11 3 4 7 8 13 14 17 18 OC CP 1D 2D 3D 4D 5D 6D 7D 8D

U4FX
6 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q HC374 2 5 6 9 12 15 16 19 EA8 EA9 EA10 EA11 EA12 EA13 EA14 EA15 YORKVILLE 7 9 8 4 5 3 2

R15FX FX
330

DIGITAL EFFECTS SECTION
DATE: OCT/17/00 NAME: M574.SCH MODELS: PCB#&VER: AM100 M574 SHEET 2 OF 2 SCH ISSUE: 1.10 TITLE: ACOUSTIC_AMP

TRIM THE LEADS OF U4A AFTER SOLDERING

00.4_475M LTED LLIRD 00.4_475M EDISREDLOS
LM38x6
6755

LEFT-AMP

PCB MECH
10U 63V RTV C17B

M574_4.00
R23A
-38VDC

FUNCTION

LM38x6

TRIM THE LEADS OF U4B AFTER SOLDERING
U4A R22A 680P C16A
AG

YEL 18G 30"

RED

J32

J31

J84

J14

J11

J26

J62

100K

680P

J40

J37

J36

J35

1K

J74

100K 680P 1K

10R 0.5W

1N4004

C23B BLUE 250TAB

R20B

FUNCTION

250TAB

FUNCTION

EFX-SWT

JB3

TAB9 LEFT(+)

TAB13 RIGHT(+)

R13A C15A R20A

AG_R

TAB10

LEFT SPKR(-)

220N

+

10R 0.5W 10R 0.5W

R13B C15B R23B R25B

250TAB

SPKR(-)

BLACK

220N C23A

5W RTV 33R

250TAB

BLACK

250TAB

1N4004

R22B

RIGHT

TAB8

10R 0.5W

1U

D5B

R157 10K

1U

1U

C21A

6755

TO_LEFT/SPEAKER

U4B 15K

10U 63V C17A

RAMPIN

1U

C21B

C22B

D5A

C22A

15K

RTV

10K R91

BLK 18G DBL 8"

SPKR(+)

C16B 680P

R25A

R211 ZD10 D201 R212

J79

R251 1WATT 100R R253 1WATT 100R

J27

J93

+38VDC

1WATT 100R R255

-38VDC

C201

4148

470K

22V0

1U

J55 J67 J66 J65

4K7

R210 2K2 20K R21A

RTV
10U 63V

JB4

J109

LINE_OUT

26

PART#

D1A

L_GA V83+

R250 1WATT 100R

1WATT 100R R252 1WATT 100R R254

C202 Q11 C28

AG_R AMP_IN_R AG_L AMP_IN_L

J69

10N

J48

R2

N.B

A

C21FX 100U 16V
U1FX C26FX

C22FX

C30 C32

R6FX

-16V ZD3

330U

VR T

CH2-EFX-RTN

GOLD_RING

GOLD_TIP

2K49 10K0 R233 10K0 R28 R21 10K0 R18 R25 10K0 R17 R16 TL074 R30 R29 R2 10K 10K0 R220 R224 10K0 R235 1K2 2K49 R222 2K 2K49 R236 100N C150 15P 10K R15

16V0

16V0

0.5W 330R

0.5W 330R

330R 0.5W

330R 0.5W

J28

330R 0.5W

330R 0.5W

0.5W 330R

0.5W 330R

J34

J29

1N5402

1N5402

TRANS

DOWN

DOWN

RT 2200U RT V V
AG

R5FX

D1

D2

C25

40V

4U7 63V

WC1

100N C251

00.4V

.

DUMMY

25V

C20FX 100N
4148

C7FX TAB11 PRIM R17FX 10R TAB1 C6FX AC RET .TRANS

C250

PRIM

+38VDC J80

J100 C54 C2FX 33U 2N2 100N 16V J104 J115 6K8 J105 #3818 42 40 L1FX 41 #3818 39 43 L2FX 38 37

1N4004

1N4004

R205

R203

R202

R201

R207

R206

R204

R39

ZD2

R2

26

V83-

475M 001MA
J1 1K
12

D2A

.

28-PIN_SOCKET 32KX8_SRAM #6993_IN_#3571
11 9 13 10 8 15 17 19 21 23 25 27 29 6 4 2 84 82 80 78 73 71 69 67 65 63 61 7 5 3 1 83 81 79 77 75 76

BLK TAB2 TAB3 TAB4 AC HOT .

J83

#3638

D2FX

BAR

BAR

330U

JB5

VR T

J88

GREEN 18G 10"

SEC_GND

J86

250TAB

25V C29

250TAB TAB5

TAB7 250TAB

J87

CH2-EFX-SEND

16 32 21 23 25 27

1N5402

-38VDC J5

1N5402

C3FX 27P

2N2 J116

+16V

-16V

TAB6

SEC_IN

7805

J41 J3

WC7

2N2

100K

D3

D4

X1FX

12

#6940

16MHz

JB6

10

14

VER-4.00
PART#

R8FX

R230

J113

R16FX 470R

J46

470K R10FX R28FX 220R

R13FX 1K R11FX 10K

R229

4148

FUNCTION

R300 C46 100N

20K0 R31 C45 100N

100K

4148

10U 16V

10K0

2N2

2N2

C50 100N J10 10K 10K 10K0 10K0 10K 10K J12

100N 250V

10R #6474

10U 16V

J9

C152 R43
THANKS TO DOUG AND YVES FOR ALL THEIR HELP IN DEFINING THE AM100 SOUND.

100N U5 5K1

C67

GREEN 18G 5"

TL074

R10

10K0

C27FX

C24FX

TLO72CN

TL074

15P C12

R80 10K0 4K7 100K R40

R18A 180K

J4 C61 18N 10K0 R81

63V 4U7

33U 16V

Q10A

J6

1K

R8

HIGH-INPUT

10N

4148

100N 1K

R7FX 470R

47K

3K3

R44 10K0

R155 20K0

J49 J50 J51 J52 J53 J56

470R

4148

3K3 1K

2K

100K R55

63V 4U7

63V 1U

R46 C17 R47

JB2

R38 C11

1K R54

68N

C16

CH2

LED2

68N

BASS

R241

+

C10

2N2 MID

R156 R240

P2

P1

1N

P3

P4

JP3

50K

50K

B

VCD

GREEN 18G 8"
# 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 DATE D D D D D D D D D D D D D D D D D D D D D D D D D D D VER# V V V V V V V V V V V V V V V V V V V V V V V V V V V DESCRIPTION OF CHANGE N N N N N N N N N N N N N N N N N N N N N N N N N N N

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

MODEL(S):- AM100 # DATE VER# DESCRIPTION OF CHANGE
APR/17/00 MAY/11/00 OCT/11/00 OCT/17/00 DEC/20/00 . JUN/25/01 NOV/13/01 APR/17/02 . JAN/15/03 D D D D D D D D D D D D 1.00 1.10 1.20 . 2.00 . 2.00 2.10 3.00 . 4.00 V V V V V V V V V V V V

M574.PCB_DATABASE_HISTORY
FIRST_PRODUCTION PC#6252_NA-FUSE_1.6ASB->1.25ASB PC#6285_C21,C252_100N->10N PC#6292_R16FX_680R->470R_DEL_C5FX PC#6313_REVERSE_CONNECTION_TO_EFX ENABLE_FT_SW_ADD_J79 FIXED_SPAN_ON_R16,R17 ADD_.05"_TO_BOARD_EDGE_@_P12 UPDATE_TABS_FUSEHOLDER_PADS NO_PARTS_MOVED PC#6584_YEL_LED_#6407->#5994 N N N N N N N N N N N N

TOPA

50K

B

WIPB BOTA TOPB BOTB WIPA

P6

B

+

-

WIP

10K

TOP

BOT

WIP

5B

C68

4419

B

LED1

100K

GRN

INPUT2 PART#

P7 C157

C100 TREBLE RTV

R53 120R
BOT WIP TOP

J68 NOTCH

MASTER

RED

4419

BOT

TOP WIP

P5

GAIN 10K
5C

WIPA BOTB TOPB TOPA BOTA WIPB

100K

P8

B

10K

5B

REF

MODEL(S):- AM100
GAIN_CH1 GAIN_CH2
BASS,MID,TREB

M574.PCB_POT_LIST
FUNCTION PART# KNOB
4417 4418 4420 4419 4417 4527 8641 8641 8641 8641 8641 8641

PRODUCTION NOTES
1) RTV ALL 0.2" ELECTROLITIC CAPS. RTV CAPS TO SOCKET IN DIG. 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

P1 P5 P2,P3,P4 P6,P7 P8 P12

AS_OF
MAR/2000 N N N N N

NOTCH,MASTER DRY/WET EFFECTS

STYLE P28

STYLE "P27"

+

-

R239 J61

J17 DRY/WET

DNS LED5

ENCODER

P12

+

RED

GAIN
TOP BOT

63V 1U

LED3

+ GRN -

R238

R67 R32

SW1

C6 RTV

2K49 2K49 20K0

#4527 EFFECT_SELECT

LED4 YEL -

330R

C15

C60

R65A 33K

GI

3K3 2N2

C7

C14

SW3

R9

J25

18N

R153 R151

R50

J59 J43

C2

R49 C13

10N

MPSA13

1K0

R3 J2

R51

2K49 2K49 2K49 2K49 1K5 1K5

J13 1K

R48 47K

C28FX

100N

R45 R48A

U9 R154 R150

R100FX 8X10K_RES

1

R147

C27 R35

J57

R66

R4

10K0 1M

1K0

GRN

180K

J58

C42 100N

WC6 WC10 C3 100P

C4 100P 100K

R237

U1

R41 3K3 100N C58

GRN GRN

2N2

4148

C43 D6

U3FX

R12 10K0

J18 J19 J21 J22

TL074

1K R12FX

R15FX

8X330R_RES

RTV
Q2FX MPSA13

1

U4FX

74HC374

10U 16V

1K5

R70 100N

J75 J23

28-PIN_SOCKET YS_EPROM_27C512 #6986_IN_#3507

C252

#3638

R42

C66

10N

C10FX Q1FX

C55

C55

5K1 R223 21K5 R221 J47 R86 2K 200R R227 R87 2K 1K5 R71 R85 10K0 31K6 R68 R89 10K0 10K0 R228 D10 R52 R84 10K0 10K0 4148 C8 R83 15K 10K0 C64 U6 R90 33R R232 100U 100N 25V C40 220N U2 C63 100N 33078 100N C65 C62 470N R34 C41 D25 D26A RTV 4K99 50V J38 1N 22U 33u J44 1N RTV 16V J45 C18 4K99 R82 C121 C9 R5 562R 10K0 562R R6 10K0 R11 R14 100K 10K0 R19 JP4 J7 R161 WC11 10K0

100N

J42 J39 J24

RTV

C19FX C21 R23 R33 C23FX J109 J8
SW2

C110

10N 1K 1K

CAUTION REPLACE WITH SAME TYPE FUSE

C17FX

GRN

J54

33u 16V

R69

J60 DNS

R231

J111

J30

J102

MPSA06

220R

1u

10n

WC5

100N C57

10n C18FX 10N

33 35 37 39 41 43 45 47 49 51 53

33u 16V

MPSA13 Q10

D26 D31 R65

C1FX

F1

R105 10K

LINE+OUT LINE-OUT IG EFX_RTN FXRETREF D60 SG2FX_RT 4148 EFX_THRU EFX-SEND BIT5

C9FX

28 30 32 34

16V 33U RTV C19

C4FX 27P

31 57 36 38 40 42 44 46 48 50 52 55

11

13

15

17

7

9

#6992_IN_#3557

59

58 56 54

RTV

C8FX

#6994_IN_#3550
8

2N2

6

R225

4

26

60

5

24

62

19

16V 33U

3

22

64

1K

R9FX

R29FX C12FX

C11FX

100U 16V

GRN

2 44

2N2

RT V

40V RT V 2200U

R234 2K49

R1

C1

1

20

ART-1365

C26

DOWN

DOWN

BAR

BAR

66

CS4218

10U 16V

RTV
C5

CE-T0.8A/250V

R22 R24

18

68

18 20 22 24 26 28

M574 AM100

CSA-1.25A/250V VALUE AC_LINE #3414 TYPE

Q20 7638

J103

36

34

30

R27

249R 10K0 249R J78 249R J15 J16

R26 10K0

SEC_IN

U8

J106
35

22AWG

74 72 70

U6FX
33 31 29

C25FX

16

WC3

14

.

T RSEE_NOTE V 250VAC

4N7 250VAC

J70

J20

TOP

BOT

TOP

WIP

BOT

WIP

P:\574CMP.PRN

BLK 18G 32" BLUE 18G 32" 8 OHM YSM1 6.5" WOOFER BLK 18G 30" RED 18G 30"

BLK 18G 8" MOTOROLA 7418

8 OHM YSM1 6.5" WOOFER

ETUOR EGAG ELOH/"10.0

YELLOW

TWEET(+)

TAB12

R24A

AM100

RT V

AM100 EXP ORT AC WIRING May 23 2000
C H AS S I S

4" BLACK DBL/INS

13 09

LINE CORD

#8 48 6 L OCKW ASHER

4" BLACK DBL/INS

AM100 EXPORT AC WIRING JUN 25 2001
CHASSIS

BLK BLK BLUE YEL RED RED

RED

YEL

BLACK 4" BLACK DBL/INS #8 48 6 L OC KWAS HER 4" BLACK DBL/INS WHITE

1309

LINE CORD