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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
Quality and Innovation Since 1963
Printed in Canada
All manuals and user guides at all-guides.com
U.S.A.
Yorkville Sound Inc.
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: (716) 297-2920
Fax: (716) 297-3689
SERVICE MANUAL
MODEL TYPE: YS1087
YBA300
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Related Manuals for YORKVILLE YS1087
Summary of Contents for YORKVILLE YS1087
- Page 1 All manuals and user guides at all-guides.com SERVICE MANUAL MODEL TYPE: YS1087 YBA300 WEB ACCESS: http://www.yorkville.com 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...
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Page 2: Important Safety Instructions
All manuals and user guides at all-guides.com 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”... -
Page 3: Specifications
All manuals and user guides at all-guides.com Specifications All Tube Bass Head Type 300 @ 2/4 ohms switchable Power @ min. impedance (Watts) Minimum Impedance (ohms) 400 Watts Burst Power - 2 cycle 30 - 16,000 Frequency Response (Hz +/-3dB) -90db Hum and Noise (dB) Input Channels... - Page 4 All manuals and user guides at all-guides.com MODEL TYPE: YS1087 Block Diagram for YBA300 D E S I G N E D A N D M A N U F A C T U R E D B Y Y O R K V I L L E S O U N D...
- Page 5 All manuals and user guides at all-guides.com W3:B +OUTPUT_A +OUTPUT_B +OUTPUT_C +OUTPUT_D +OUTPUT_E +OUTPUT_F V1A:A R13A V1B:A R13B V1C:A R13C V1D:A R13D V1E:A R13E V1F:A R13F 5.0W 5.0W 5.0W 5.0W 5.0W 5.0W R17A {Body} R17B {Body} R17C {Body} R17D {Body} R17E {Body} R17F...
- Page 6 All manuals and user guides at all-guides.com...
- Page 7 All manuals and user guides at all-guides.com BlankSize - 15550x8100 -----------------------------------------------> Into Wave ETCH {Company Name} YS Type - GUIDE MPSA06 MPSA06 MPSA06 MPSA06 MPSA06 TP1C 6400 6400 R24A R24B 6400 R24C R24D R24E R24F TP1F 6400 6400 C16C 6400 C12A LD2B LD2F...
- Page 8 All manuals and user guides at all-guides.com M1297 PRODUCTION NOTES SEE LAYOUT DIAGRAM M1297 Drilling History M1297 PCB History MODEL(S):- YBA300 1. Six #2345 spacers mount on top of the board. MODEL(S):- YBA300 DATE VER# DESCRIPTION OF CHANGE 2. Put the knobs on all the pots with glue before mounting the p DATE VER# DESCRIPTION OF CHANGE Aug 09...
- Page 9 All manuals and user guides at all-guides.com CHASSIS GND 1/4W 1/4W W11:A W10:A FDBK- 150K 150K 1/8W AMP_OUT 681R W11:B W10:B FDBK+ FLMP MC33078P W11:C W10:C RING 400V 1/8W W11:D BRITE W10:D 681R FLMP U4:A PRE-AMP OUT W11:E PREOUT W10:E 330N 330N 330N...
- Page 10 All manuals and user guides at all-guides.com M1301.PCB_DATABASE_HISTORY MODEL(S):- YBA300 DATE VER# DESCRIPTION OF CHANGE 2010/02/02 1.00p1 All new layout. 2010/09/10 1.00p2 Value changes for sound tweaks. Change x-f to connector. Add shield to switch pcb. Move DI switch to back. 2010/10/13 1.00p3 Change input link to #2345 connectors with 3056 cable.
- Page 11 All manuals and user guides at all-guides.com 3417 3417 SPEAKON 4C H Gold 3923 4 Ohm 2 Ohm 3498 3450 3498 3498 3498 6956 Gold 3424 3436 Gold 100U Speaker Out DPDT SLID Speaker Out For 8 OHM cut X31 681R 681R 5.0W...
- Page 12 All manuals and user guides at all-guides.com SEE LAYOUT DIAGRAM M1301 PRODUCTION NOTES 1. Clip the GND connection on J4 (#3923) jack. 2. Dip #6544 in solder pot before insertion. 3. BEND DOWN C5 AND C6. 4. ALL IC'S MUST BE MARKED 33078 NOT 4560 5.
- Page 13 All manuals and user guides at all-guides.com SEE LAYOUT DIAGRAM M1301 M1301.PCB_DATABASE_HISTORY M1301.PCB_DATABASE_HISTORY MODEL(S):- YBA300 MODEL(S):- YBA300 DATE VER# DESCRIPTION OF CHANGE DATE VER# DESCRIPTION OF CHANGE 2010/02/02 1.00p1 All new layout. 2010/09/10 1.00p2 Value changes for sound tweaks. Change x-f to connector. Add shield to switch pcb.
- Page 14 All manuals and user guides at all-guides.com Variant Parts C86 and C87 R184 & 185 R183 C90 & C91 PCB# Value Part# Value Part# Value Part# Value Part# Value Part# Value Part# M1295 470U 470U 5957 5957 100R 100R 4735 4735 4709 7815...
- Page 15 All manuals and user guides at all-guides.com There are three versions of this board layout. Wave Make sure that you're printing the correct one. Support M1357 V1.00 YBA300 SCORE 1.0W R184 0R47 C84 W2 LVps R T V 4007 470U 4007 6747 0R47...
- Page 16 All manuals and user guides at all-guides.com...
- Page 17 All manuals and user guides at all-guides.com YBA300 Parts List 2/7/2012 YS # Description Qty. YS # Description Qty. YS # Description 6384 JEWELED PILOT LAMP AMBER ROHS 4163-PLUG CONN PLUG 5 POS. .084" V-2 FEMALE 8829 6-32 X 3/8 FLAT PH TAPTITE BO#C HEA 6398 RED 5MM LED 1V5 20MA HIGH EFF 4147 6 PIN POWER PIN HEADER MALE POLZED...
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