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AP4020
WEB: 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
14305 USA
Voice: (905) 837-8481
Voice: (716) 297-2920
Fax: (905) 837-8746
Fax: (716) 297-3689
MODEL TYPE: YS4020
SERVICE MANUAL
Quality and Innovation Since 1963
Printed in Canada
Manual-Service-ap4020-00-4v3
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Related Manuals for YORKVILLE AP4020
Summary of Contents for YORKVILLE AP4020
- Page 1 AP4020 WEB: 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 14305 USA Voice: (905) 837-8481 Voice: (716) 297-2920 Fax: (905) 837-8746 Fax: (716) 297-3689...
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Page 2: Important Safety Instructions
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. - Page 3 AP4020 Parts List 5/5/2010 YS # Description Qty. YS # Description Qty. YS # Description Qty. YS # Description Qty. 5906 RED 3MM LED 1V9 20MA.4SPCER T&R 2448 15.00 AMP CIRCUIT BREAKER 4854 1/4W 1K2 5% T&R RES 8663 11/64 NYLON SPACER (MICRO PLASTIC) 5908 GRN 3MM LED 1V9 20MA.4SPCER T&R 3820 ___4UH COIL 14AWG ZOBEL HORIZONTAL...
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Page 4: Power Amp
4N35 U1:B ZD10 U1:A 1/4W 220R J1:A 1/4W 1/4W 250V 400V 620R Function SPEAKON 4C 3628 IRF630NPBF W1:A 6752 MJ21196 MJ21196 TO220 MJ21196 MR854 W1:B 3628 5.0W SPEAKON 4C Function W1:C 16V0 MJ21196 J1:B W1:D 1/4W 470R W1:E MR854 1/2W R205 BC560C 220N... - Page 5 M1126 AP4020 / V42 BlankSize - 14700x10800 Score MJ21196 MJ21196 MJ21196 MJ21196 MR854 MR854 MR854 MR854 6934 6934 6934 6934 MJ21196 MJ21196 MJ21196 MJ21196 MJ21195 MJ21195 MJ21195 MJ21195 MR854 MR854 MR854 MR854 6934 6934 6934 6934 MJ21195 MJ21195 MJ21195 MJ21195 AS35FN MJE350 MJE340...
- Page 6 SEE LAYOUT DIAGRAM M1126 PRODUCTION NOTES 4. MOUNTING HARDWARE FOR Q11,Q12 8. TAB WIRE COLOURS: W6 RED 16AWG W7 YEL 16AWG 1. MOUNTING DETAILS FOR 5W ADD #8629 SPACERS ONLY ON #8741 4-40X 1/2" BOLT W8 BLK 16AWG W9 WHT 16AWG 5 WATT RESISTORS R29 AND R45.
- Page 7 SEE LAYOUT DIAGRAM M1126 Database History 2N5401 2N5401 2N5401 Mnnnn Drilling History MODEL(S):- AP4020 2N5551 2N5551 2N5551 MPSA06 MPSA06 2N6517 MODEL(S):- {MODEL} DATE VER# DESCRIPTION OF CHANGE MPSA13 MPSA13 MPSA13 OCT/97 1.00 FIRST PRODUCTION DATE VER# DESCRIPTION OF CHANGE MPSA43 MPSA43 MPSA43 NOV/10/97...
- Page 8 M1126 AP-4020 ETCH GUIDE YELL MJ21196 MJ21196 MJ21196 MJ21196 ETCH MR854 MR854 MR854 MR854 GUIDE 6934 6934 6934 6934 MJ21196 MJ21196 MJ21196 MJ21196 BLUE MJ21195 MJ21195 MJ21195 MJ21195 MR854 MR854 MR854 MR854 6934 6934 6934 6934 MJ21195 MJ21195 MJ21195 MJ21195 MJE350 MJE340 6752...
- Page 9 C214A 220P 100V R203A 1/4W 10K0 MINI * NOTE AP4020 - M1127 V42-M1138 R201A C201A 1/4W MC33078P W35:A R201A 10K0 12K1 YSL#CH1196 R201B DPDT Switch 10K0 12K1 GENERIC_XF_2S_1P W35:B R202A 1/4W R202A 10K0 12K1 U201:A Thermal Breaker R202B 10K0 12K1 W35:C R204A 1/4W...
- Page 10 M1127 AP4020 C208 XFRM CT C207 BRIDGE BRIDGE 275V C210 C209 BRIDGE MOUNTED BY WIRING 470U 470U D240 Q240 PC-C TO BOT AMP TO TOP AMP -100V RELAY 1A -100V C215 C214B 220P BC550C R203B 10K0 100V BRIDGE R202B C201B BRIDGE 10K0 R201B...
- Page 11 SEE LAYOUT DIAGRAM PRODUCTION NOTES: M1127 AP4020 1 FOR C1 USE 22N FOR NORTH AMERICAN AND 680N FOR EURO. 2 ADD RTV UNDER RELAY AND BEND LEADS FLAT TO PCB. RELAY...
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Page 12: Pin Configuration
SEE LAYOUT DIAGRAM X8013 Database History MODEL(S):- AP4020 / V42 DATE VER# DESCRIPTION OF CHANGE OCT/97 1.00 FIRST PRODUCTION R232 150R->270R R233 270R ->470R NOV/13/97 1.01 PC#5514 R232 270R->470R. NOV/25/97 2.00 PC#5532 DELETE TRIAC ADD RELAY. R233 2R0->10R ZD208,ZD209 20V->18V. U201 TL072->33078 DEC/12/97 3.00 UPDATE FOR AP4040... - Page 13 BC560C TO92 1N750ARL 5102 470N BC560C * NOTE: MINI 1/4W MPSA63 M1128 - FOR R34 NAD R47 USE #4821 470R 5102 4148 1/4W MINI M1133 - FOR R34 AND R47 USE #4808 2K TO92 MINI 220N 1/4W FLMP 5106 1/4W 249R 1/8W TO92...
- Page 14 M1128 AP-VX RCLP LVGND M1128 AP-VX M1133 PRTCT 21in 14C 100K 2329 3604 To Power Supply Pcb BC560C 100K 220P 470R 470R 470N 220P 4148 470K Channel A Channel B MPSA63 R Clip 470K 620R R136 R Activity R55A 220R 14K7 4148 5908...
- Page 15 SEE LAYOUT DIAGRAM X8011 PRODUCTION NOTES - M1128 AP/VX 3511 8870 WASHER SCREW SPACER PT#3739...
- Page 16 SEE LAYOUT DIAGRAM X8011 PCB_DATABASE_HISTORY X8011 DRILL HISTORY MODEL(S):- MODEL(S):- AP4020 AND AP4040/VX2400 AND VX2402/V42 AND V44 AP4020 AND AP4040/VX2400 AND VX2402/V42 AND V44 DATE VER# DESCRIPTION OF CHANGE DATE VER# DESCRIPTION OF CHANGE LEAD/PIN REFERENCE OCT/97 1.00 FIRST PRODUCTION APR/17/98 2.00 #5664 RIBBON CABLE CONNECTIONS CHANGED FOR...
- Page 17 U3:A MC33078P 220P 100V 1/4W 1/4W 1/4W FILTER SW 1K54 9K76 9K76 68N 100V 68N 100V 0.1% 0.1% LINE XLR U4:A S1:B 150N 63V 150N 63V MC33078P 1/4W 120K 220P 100V LIMITER 1/4W 1/4W 1/4W 1K54 9K76 9K76 0.1% 0.1% S2:A MONO-STEREO-BRIDGED S3:A...
- Page 18 3417 CM CC 3436 3436 BRIDGED - STEREO - MONO R112 150N R109A 3436 R111 R109B 150N 100N 100N 4148 LSPRE RSPRE 14 PIN SCKT MC33078P 4148 10K0 9K76 220P 9K76 100N 220P 100N 100N 220P 220P 220P 220P 1K54 1K54 LINE XLR TIP-SW...
- Page 19 M1129.sch_schematic-DATABASE_HISTORY M1129 DRILL HISTORY MODEL(S):- AP4020 / AP4040 / AP2020 / AM1CE MODEL(S):- AP2020/AP4020/AP4040/AM1CE DATE VER# DESCRIPTION OF CHANGE DATE VER# DESCRIPTION OF CHANGE OCT/1997 1.00 FIRST PRODUCTION APR-03-2003 V06 NOV/12/97 2.00 REVERSED INPUT POLARITY. MODIFIED FOR AP2020 AUG-15-2005 V07 CONVERT TO PCAD2002 DEC/02/97 C27, C28, C29, C30 TO 150n...
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Page 20: Service Bulletin
AP4040 Quick Fix for M1146 & M1126 To speed up the servicing of the AP4020 or AP4040 on your bench, Yorkville Sound’s service department has developed a method to replace the compo- nents most likely to fail when a M1146 amplifier board requires service. - Page 21 SERVICE BULLETIN SERVICE BULLETIN AP4020 & AP4020 & AP4040 AP4040 Testing Repaired Circuit Boards STEP 6. Measure across the pair of test points shown in the component layout listed in the table below. If the measured value is not Now that you have rebuilt the M1146 or M1126 circuit board. It is just as within + or –...
- Page 22 A P4020CE AC WIRING OCT,24,2000 4 " S HOW N WIRE D FOR 245V BROWN GREY 1196E YELLOW GREY BLUE M 1127-5. 00 15 " BLACK WHITE 17"...