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SERVICE MANUAL
MODEL TYPE: YS1081
Acoustic Master
WEB ACCESS: http://www.yorkville.com
Standard
WORLD HEADQUARTERS
CANADA U.S.A.
Yorkville Sound Yorkville Sound Inc.
550 Granite Court 4625 Witmer Industrial Estate
Pickering, Ontario Niagara Falls, New York
L1W-3Y8 CANADA 14305 USA
Voice: (905) 837-8481 Voice: (716) 297-2920
Fax: (905) 837-8746 Fax: (716) 297-3689
Quality and Innovation Since 1963
Printed in Canada
Summary of the content on the page No. 2
IMPORTANT SAFETY INSTRUCTIONS This lightning flash with arrowhead symbol, within The exclamation point within an equilatereal triangle is an equilateral triangle, is intended to alert the user to intended to alert the user to the presence of important the presence of uninsulated “dangerous voltage” operating and maintenance (servicing) instructions in within the product’s enclosure that may be of sufficient the literature accompanying the appliance. magnitude to constitute a risk of electric
Summary of the content on the page No. 3
AMSTANDARD Parts List 6/15/2011 YS # Description Qty. YS # Description Qty. YS # Description Qty. 6405 RED 3MM LED 2V0 20MA BRT 8 3498 1/4" JCK PCB MT HORZ 3 8828 6-32 X 3/4 PAN PH TAPTITE JS500 7 6554 BLUE 3MM LED 3V9 20MA 1 3456 RCA DUAL PCB MT HORZ STACK W ON TOP 1 8779 1/4-20X 2 1/2 CARRIAGE BOLT ZINC 1 6438 1N4007 1000V 1A0 DIODE T&R 4 3845 1/4"&XLR PCB MT HORZ COMBO NON-LOCK 1 8868 10-32 1/2" FLAT PH 82' CS TT JS500 4 6825 1N4148 75V 0A45 DIODE T&R 18 3923 XLR MALE
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Block Diagram for Acoustic Master Standard DESIGNED AND MANUFACTURED BY YORKVILLE SOUND XLR Line Out Pre-Effects ∑ GND Lift Channel Inputs Input 1 Gain Pot Tone Controls Digital Effects Feedback Effects Notch Filter SEND Fixed CLIP Equalization Limiter Bass/Lo-Mid/Hi-Mid/Treble Select/Mod/Mix 1/4-inch L High Z DSP In 1 R Effects Gain 1 RETURN Foot EFX Switch (In / Out) Effects Stereo/Mono 1/4-inch / XLR Combi-Jack Input 2 Gain Pot Tone Controls Digital Effects CLIP Limiter Bass/Treble Select/Mod
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A B C D E F G H I J K L M N O P Q D13 4148 1 1 R4 C2 1/4W U1:A 10N 100V 10K0 C20 . TL072 4N7 50V INPUT 1 6405 J2 S R T RED . R3 100P MPSA13 1K5 1M C3 . 1/4W . LOW HI-MID Gold Gold Gold R38 R46 R7 R13 D6 220K 100V Q10 R70 1/4W M 1/4W 1/4W M 1/4W 1/4W LD2 . 100K 3K3 3K3 6K8 6K8 R31 50K P2:A 50K P9:A 4148 . . . . 1/4W B B 4453 . 4148 TO92 R47 R10 30K D26 1/4W R65 2 2 47K . 5W0 2N2 1N5359B 24V0 R182 ZD1 100P 100V R48 C22 100V 22N C12 ZD2 100R 24V0 1/4W C4 50V . C11 15P 100V 1N5359B 5W0 47K .
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A B C D E F G H I J K L M N O P Q 1 1 100N U9:E C42 U14:C 50V 2 2 100N C50 TLO74CN . 50V 10K0 U9:B 1/4W R28 C21 47P 100V . 10K0 R33 1/4W 1/4W R18 3 3 49K9 TLO74CN . . . 10K0 10K0 1/4W 1/4W U9:D R232 R17 R22 63V 2U2 1/4W . C5 10K0 R148 10K0 C56 . 1/4W 1/4W 10K MC33078P 68N 50V 15K R237 5B LIN . TLO74CN 4417 . U14:B 10K0 R67 P8:A 1/4W 100K U9:A M WET/DRY R29 . 4 4 R23 R32 . LD6 10K0 180K U15:A R71 R149 LD5 10K0 . . 1/4W 15K RED 1/4W RED . 100R R30 6405 6405 . LM13600N . TLO74CN R147 10K0 1/4W 1
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A B C D E F G H I J K L M N O P Q 1 1 100N 100N U7:E U16:C C80 C84 50V 50V 2 2 100N 100N C81 TLO74CN C85 50V 50V U7:C R88 1/4W 10K0 C34 . 47P 100V R78 1/4W 3 3 10K0 R168 . TLO74CN 1/4W R77 49K9 . 1/4W U7:A 10K0 R164 . 63V 2U2 1/4W C18 10K0 R2 R68 R69 C35 . 1/4W 1/4W 1/4W MC33078P 10K 68N 50V R92 15K 10K0 10K0 5B LIN . . . 1/4W U16:A 4417 R169 10K0 . 100K P5:A . M WET/DRY 4 4 TLO74CN R79 R167 R180 R72 U7:D LD8 1/4W 10K0 100K U15:B R171 15K LD7 10K0 . . . 1/4W RED . RED TLO74CN 100R 6405 6405
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A B C D E F G H I J K L M N O P Q R99 R113 R114 R119 1/4W 1 1 1/4W 1/4W 1/4W 249R 4K99 4K99 2K . . . . R100 1/4W 249R . pin1 EFX-SEND R111 T R S J11 1/4W 4K99 R117 . 1/4W MC33079P -- - 2K . U11:A MC33079P R66 2 2 1/4W U11:D 2K pin3 . R165 R115 R116 1/4W 1/4W 1/4W 2K R120 . 4K99 4K99 . . 1/4W Gold Gold Gold pin2 2K . R112 1/4W T R S J10 4K99 R118 EFX-RTN_MONO/STEREO . MC33079P 1/4W EFX-RTN 2K . U11:B MC33079P 3 3 S3:A S3:B R73 1/4W U11:C 2K . R166 1/4W 2K . R132 1/4W 2K49 MINI - -- 4 4 R124 1/4W
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A B C D E F G H I J K L M N O P Q 1 1 D201 4148 R21A TO92 20K0 MINI R210 R212 5122 1/4W 1/4W Q11 2K2 1M . . J109 2 2 100V 63V . 0W5 C202 C201 22V0 4K7 4U7 ZD10 R211 1U 1N5251BRL 3 3 PCB XFMR PRIMARY CONNECTORS ORN DNS BLK/YEL BLK 1 W18:A 9 D1 1 120V 230V 245V 1N5402 1 1 1 W41 BLK 6 W29:A 6 W30:A 6 W31:A 7 1N5402 DPDT Switch SW W18:G 9 2 BLK GRY_ 4 4 D3 3300U 2 2 2 1000U D8 6 W29:B 6 W30:B 6 W31:B 3 BROWN C28 W18:C 9 F2 C25 RED_ 50V S2 3 35V BLU 1N5402 W10 .600 AMP -SB 1N5402 250V 3 BLK 3 3 2
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7 RED LD2 6405 6 1 12 INSIDE WIRE OUTSIDE WIRE - + NC3 IN+ IN- MUTE GND NC2 V+B V- OUT NC1 V+A NC3 IN+ IN- MUTE GND NC2 V+B V- OUT NC1 V+A - + - + J2 INPUT 1 Gold Gold Gold 3450 10 P1 K BOT TOP WIP CH-1 GAIN 5B LIN 4417 50K P2 W LO B 4453 50K P3 LOW-MID B 4453 50K P9 HI-MID B 4453 50K P4 HIGH B 4453 100K P6 WIPA BOTB TOPB BOTA WIPB TOPA FREQ B LIN 4419 P12FX ROT H EFX-SELECT 4523 10K P11FX B T TOP O WIP EFX-MODIFY 5B LIN 4417 3498 3450 3450 3498 3498 3456 INTO WAVE 3923 LINE OUT AM STANDARD 3425
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SEE LAYOUT DIAGRAM M1400 MODEL(S):- AM STANDARD REF FUNCTION PART# KNOB {NEW} "STYLE_P27" "STYLE_P28" P1 CH-1 GAIN 4417 8289 N P2 LOW 4453 8289 N "STYLE_P31" P3 LOW-MID 4453 8289 N 1 +V 8 1 +V 8 P4 HIGH 4453 8289 N A A P5 WET/DRY 4417 8286 N 2 7 2 7 B P6 FREQ 4419 8289 N 1 OC VCC 20 B 2N5401 3 6 3 6 P7 MASTER 4419 8289 N 2N5551 2 Q0 Q7 19 4 -V P8 WET/DRY 4417 8286 N 5 4 -V 5 M1400 MPSA06 P9 HI-MID 4453 8289 N 3 D0 D7 18 78XX MODEL(S):- P10 CH-2 GA
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SEE LAYOUT DIAGRAM M1400 V02PRODUCTION NOTES 1. RTV ALL 0.2" ELECTROLITIC CAPS. 2. CUT METAL PIN ON J8 XLR SEE DRAWING. 3. PCBSA: DO NOT BREAK OUT BOARD XLR_FIX BEFORE TESTING. Remove this piece. Break this connection here.
