SERVICE MANUAL MODEL TYPE: YS1082 WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS CANADA Acoustic Master Studio U.S.A. Yorkville Sound Yorkville Sound Inc. 550 Granite Court Pickering, Ontario L1W-3Y8 CANADA 4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (905) 837-8481 Fax: (905) 837-8746 Voice: (716) 297-2920 Fax: (716) 297-3689 Quality and Innovation Since 1963 Printed in Canada Manual-Service-amstudio-00-1v0.
IMPORTANT SAFETY INSTRUCTIONS This lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
AMSTUDIO Parts List 4/29/2010 YS # 5991 6405 6554 6438 6825 6827 6459 6463 6856 6857 6875 5101 5105 5106 5122 6789 6745 6757 6804 6840 6882 5402 5199 5408 5410 5412 5206 5208 5420 5204 5207 5210 5223 5224 6435 6451 5212 5229 5231 5233 5234 5314 5240 5256 5257 5259 5933 7769 5945 5961 5267 5630 5616 4523 4417 4418 4480 4453 4419 3804 3975 3785 8547 8570 8630 3462 3478 3486 3489 3491 3601 9925 3450 3498 3456 3845 3451 3414 2449 8290 Description RED 3MM LED 1V9 20MA W/STOP T&R RED 3MM LED 2V0 20MA BRT BLUE 3M
Block Diagram for Acoustic Master Studio D E S I G N E D A N D M A N U FAC T U R E D B Y Y O R K V I L L E S O U N D Channel Inputs Input 1 Gain Pot Tone Controls CLIP 1/4-inch High Z Gain 1 Feedback Notch Filter Bass/Treble Fixed Equalization Limiter Select/Mod/Mix DSP In 1 Master Volume Digital Effects L R ∑ AMP 1/4-inch / XLR Combi-Jack Input 2 Gain Pot Foot EFX Switch (In / Out) Tone Control Balanced Line Out Effects Bypass CLIP 1/4-inch Fixed Gain In 2 1/4-inch XLR Fixed Gain Ba
C D CH-1 GAIN M 10K P1:A 5C R/A 4418 63V C4 4U7 C37 33U F G H I 16V 63V C5 4U7 D18 MINI MINI . TREBLE M 50K P3:A B 4453 24K 1/4W R113 R3 1/4W 100K C7 1N . C3 47P TL072 R1 1/4W 10K0 . U1:A R2 1M R9 1K0 MINI . 1/4W . NOTCH M P4:A 100K 4419 B LIN C9 15P 100V . R11 1/4W 10K0 R25 1/4W 10K0 5 . 4 . 400V C27 100P U3:B 63V 1/4W R27 1/4W 3K . R24 10K0 . R34 1/8W 475R R35 1/4W 249R C21 1N . C24 33U 1/4W R40 1M . 100U C25 25V 220P C23 100V . .
A B C D E F G H I J K L M N O P Q 1 1 V+ 4 V- U7:E 2 R70 1/4W 4K99 100N C55 63V 2 11 . 100N C63 63V COM 0 1 2 3 EFX-SELECT P12FX:A 4523 ROT H 3 M1433_FX 1/4W EE_Sel 8 R98 560R 4148 D5 . 4 R66 1/4W 10K0 .
A B C D E F G H I J K L M N 1 O P Q 1 D24 4148 . . D22 4007 120V 230V 245V 1/4W 0W5 22V0 ZD4 1N5251BRL 2 TO92 5122 Q6 J109 R117 1/4W 1M R116 4K7 .
SOCKET SOCKET UPSIDE DOWN NORMAL #7497 #7498 NORMAL LARGE SOCKET WITH DIRECTION TAB 3602 Into Wave 3602 BOTA B LIN NOTCH X13 X12 X11 X9 D4 4007 TOP BOT S1 ROT H TOP 5B LIN WIP EFX-MODIFY TONE TOP BOT 5B LIN WIP DRY/WET C39 X68 X72 D12 10K0 R66 R98 10 MASTER P7 BOTA WIPB C26 R49 WITCH J5FOOT-S VCD LONG AXIS ORIGIN SEE LAYOUT DOCUMENTATION RCA POWER BLU LD3 6554 1B LIN 4480 4417 4417 4453 4418 4419 4523 R84 OUT -FX LINE TOPA 3456 6405 J6POST R83 620R J
SEE LAYOUT DIAGRAM M1404 PRODUCTION NOTES 1_RTV ALL ELECTROLITIC CAPS.
SEE LAYOUT DIAGRAM 2N5401 2N5551 MPSA06 MPSA13 MPSA43 MPSA56 MPSA63 LM3886T "STYLE_P31" "STYLE_P27" 4 5 6 7 8 9 10 11 V+ NC OUTPUT VNC(+) NC GND MUTE V_INV_IN+ NC 1 2 3 "STYLE_P28" 1 {MODEL} VER# DESCRIPTION OF CHANGE # DATE 1 SEPT-8-2009 1.