Download
Share
Print this page
YORKVILLE ap4020 ys4020 Service Manual
  1. Manuals
  2. Brands
  3. YORKVILLE Manuals
  4. Amplifier
  5. ap4020 ys4020
  6. Service manual
YORKVILLE ap4020 ys4020 Service Manual

YORKVILLE ap4020 ys4020 Service Manual

Professional series
Hide thumbs Also See for ap4020 ys4020:

Advertisement

Quick Links

Download this manual See also: Owner's Manual
WEB: 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
U.S.A.
Yorkville Sound Inc.
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: (716) 297-2920
Fax: (716) 297-3689
AP4020
1. Parts List
2. Pot Board
• M1128 Schematic
• M1128 PCB layout
3. Input Board
• M1129 Schematic
• M1129 PCB layout
4. Power Supply Board
• M1127 Schematic
• M1127 PCB layout
5. Power Amp Module
• M1126 Schematic
• M1126 PCB layout
4. Service Kit
• M1146/m1126
MODEL TYPE: YS4020
SERVICE MANUAL
Manual-Service-ap4020-00-4v2.pdf

Advertisement

loading

Related Manuals for YORKVILLE ap4020 ys4020

Summary of Contents for YORKVILLE ap4020 ys4020

  • Page 1 WORLD HEADQUARTERS CANADA U.S.A. 5. Power Amp Module • M1126 Schematic • M1126 PCB layout Yorkville Sound Yorkville Sound Inc. 550 Granite Court 4625 Witmer Industrial Estate 4. Service Kit Pickering, Ontario Niagara Falls, New York • M1146/m1126 L1W-3Y8 CANADA...

  • Page 2: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS This lightning flash with arrowhead symbol, The exclamation point within an equilatereal within an equilateral triangle, is intended to alert triangle is intended to alert the user to the the user to the presence of uninsulated presence of important operating and “dangerous voltage”...
  • Page 3 AP4020 Parts List 9/24/2007 YS # Description Qty. YS # Description Qty. YS # Description Qty. YS # Description Qty. 5906 3MM LED 1V9 20MA.4SPCER T&R 3 2448 15.00 AMP CIRCUIT BREAKER 4980 1/4W 470R 5%MINI T&R RES 8832 6-32 X 1/4 PAN PH TAPTITE JS500 5908 3MM LED 1V9 20MA.4SPCER T&R 3 3820...

  • Page 4: Service Manual

    SERVICE MANUAL SERVICE MANUAL Yorkville Sound • http://www.yorkville.com Yorkville Sound • http://www.yorkville.com The activity LED circuit consists of Q1 and the surrounding circuitry. The audio sig- Y Y o o r r k k v v i i l l l l e e A A P P 4 4 0 0 2 2 0 0 P P o o w w e e r r A A m m p p l l i i f f i i e e r r nal enters the activity LED circuit through R2.
  • Page 5 SERVICE MANUAL SERVICE MANUAL Yorkville Sound • http://www.yorkville.com Yorkville Sound • http://www.yorkville.com CIRCUIT DESCRIPTION: The voltage amplifier is a mirrored image with circuitry connected to the positive power supply rail being identical (but opposite polarity) to the circuitry connected to the nega- tive power supply rail.
  • Page 6 SERVICE MANUAL SERVICE MANUAL Y orkville Sound • http://www.yorkville.com Y orkville Sound • http://www.yorkville.com amount of time was spent on the current limit circuitry so that it may simulate the safe This causes Q40 to turn off until the reduced current flowing through Q5 maintains operating area of the output transistors (SOAR curve).
  • Page 7 SERVICE MANUAL SERVICE MANUAL Yorkville Sound • http://www.yorkville.com Yorkville Sound • http://www.yorkville.com If prolonged current limiting occurs on the amplifier’s output transistors then D204 or D205 (depending on which channel is current limiting) will be forward biased turning on NOTE: Every time you replace blown output transistors on a Q202 (from its off state).

  • Page 8: Specifications

    SERVICE MANUAL SERVICE MANUAL Yorkville Sound • http://www.yorkville.com Yorkville Sound • http://www.yorkville.com is 10 volts across R235 or R236 which is enough to turn on Q210, Q208, and Q207 pro- viding 7 DC volts to the fan. Further heating the temperature sensors results in a larger DC voltage across the fan.
  • Page 9 100N (VCC) BC560C LM13600N 100V TO92 U4:C 1N750ARL 6745 Dual VCA 5102 {Function} 100N 470N 100V BC560C 1/4W MINI MPSA63 5102 4148 1/4W MINI MINI 220N TO92 1/4W 5106 FLMP 1/4W 249R 1/8W TO92 MINI MINI 1/4W 1/4W 1/4W 100K FLMP 249R LM13600N...
  • Page 10 Top Assy M1128 Pcb Mech M1128 6V00 6V00 ETCH GUIDE 3740 100K 21in 14C 220P 100K 220P 470R 470R 4148 5906 5906 470K R Clip Protect L Clip Channel A Channel B 5906 5908 5908 620R 5908 Power R Activity R55A 220R R55B...
  • Page 11 M1128.PCB_DATABASE_HISTORY SEE LAYOUT DIAGRAM PRODUCTION NOTES MODEL(S):- AP-4020 DATE VER# DESCRIPTION OF CHANGE LEAD/PIN REFERENCE OCT/97 1.00 FIRST PRODUCTION M1128 DRILL HISTORY APR/17/98 2.00 #5664 RIBBON CABLE CONNECTIONS CHANGED FOR MODEL(S):- AP-4020 PROTECT CIRCUIT DEC/09/98 3.00 PC#5736 TRACES CHANGED POT SUPPORT SCREWS DATE VER# DESCRIPTION OF CHANGE ADDED...
  • Page 12 U3:A MC33078P 220P 100V FILTER SW 1/4W 1/4W 1/4W 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 13 ETCH GUIDE Top Assy M1129 v6.00 Pcb Mech M1129 v6.00 M1129 Database History 3705 MODEL(S):- 3417 AP2020 AP4020 AP4040 AM1CE DATE VER# DESCRIPTION OF CHANGE OCT/97 1.00 FIRST PRODUCTION NOV/97 2.00 SWITCH NETS RREF WITH LREF AND RSPRE WITH BRIDGED - STEREO - MONO LSPRE AT 14 PIN CONNECTOR.
  • Page 14 C214A 220P 100V R203A 1/4W 10K0 W35:A 12 MC33078P R201A C201A 1/4W W35:B 12 10K0 YSL#CH1196 U201:A DPDT Switch 1KVA 120VAC R202A W35:C 12 1/4W Thermal Breaker 10K0 W35:D 12 R204A 1/4W 10K0 W35:E 12 C214B W35:F 12 220P 100V W35:G 12 R203B 1/4W...
  • Page 15 .005" .008" ETCH .012" GUIDE .020" BLACK BLACK XFRM CT C208 C207 470U BLACK 470U BLACK BRIDGE 6435 BRIDGE ROUTE 275V GAGE 0.01"/HOLE C210 C209 BRIDGE MOUNTED BY WIRING 470U 470U D240 TO BTM AMP TO TOP AMP PC-C BLUE Q240 -100V MPSA06...
  • Page 16 SEE LAYOUT DIAGRAM M1127 Database History PRODUCTION NOTES: MODEL(S):- AP4020 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. 1 FOR C1 USE 22N FOR NORTH AMERICAN AND 680N FOR EURO. NOV/25/97 2.00 PC#5532 DELETE TRIAC ADD RELAY.
  • Page 17 4N35 U1:B ZD10 U1:A 1/4W 220R {AWG} {AWG} {Function} {Function} J1:A 1/4W 1/4W 620R 4N7 250V 2N2 400V Function SPEAKON 4C 3628 MTP10N15L W1:H MJ21196 MJ21196 MJ21196 MR854 W1:G 3628 5.0W SPEAKON 4C W1:F Function 16V0 MJ21196 J1:B W1:E 1/4W 470R W1:D MR854...
  • Page 18 M1126 AP-4020 BlankSize - 14750x10850 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...
  • Page 19 SEE LAYOUT DIAGRAM PRODUCTION NOTES 1. MOUNTING DETAILS FOR 5W ADD #8629 SPACERS ONLY ON 6. USE #2006 SMALL BODY 1R 1W FOR R33 AND R49. M1126 Database History 5 WATT RESISTORS R29 AND R45. MODEL(S):- AP4020 7. MOUNTING DETAILS FOR Q30 TRIAC USE #8799 TO MOUNT TRIAC Q30 DATE VER# DESCRIPTION OF CHANGE...

  • 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 . y o r k v i l l e . c o m w w w . y o r k v i l l e . c o m Yorkville Sound Yorkville Sound Inc. Yorkville Sound Yorkville Sound Inc.
  • Page 22 M1146 KIT #6444 MAC224-4 YS6927 #4973 1R/1W 1WATT YS6900 YS6900 #4973 1R/1W 1WATT #4607 1/8WFP #4607 1/8WFP #6201 200R 1/4WFP 200R YS6927 #6201 200R 1/4WFP 200R YS6900 #6201 200R 1/4WFP 200R #4645 220R0 1/8WFP 220R0 #4645 220R0 1/8WFP 220R0 #4911 1/4W 1/4W #4911...
  • Page 23 2N5401 AS35 MBS4992 AUG/26/98 1.10 PC#5806_ADD_33u/16V_33R_IN_SERIES ACROSS_R57A_AND_ACROSS_R64A -145 JUL/12/99 1.20 SPKON_JACKS_ADDED 4700U 4700U AUG/30/99 1.30 BRIDGED_SPKON_B->A E B C E B C C B E AP4040 DATE: AUG/30/99 MODELS: SHEET SCH VERSION: 1.30 YORKVILLE NAME: M1146.SCH PCB#&VER: M1146 TITLE: OUTPUT-BD...
  • Page 24 M1146 AP-4040 MARCONI HOLE YS6900 YS6900 YS6900 YS6900 MR854 MR854 MR854 MR854 MARCONI YS6900 YS6900 HOLE YS6900 YS6900 BLUE YS6927 YS6927 YS6927 YS6927 MR854 MR854 MR854 MR854 YS6927 YS6927 YS6927 YS6927 NOTE #6 R29A MJL1302A MJL3281A TAB6 SOLDER MTP10N15L MTP8P20 WIRE TO JUMPER MJE350...
  • Page 25 A P4020CE AC WIRING OCT,24,2000 4 " S HOWN WIRE D FOR 230V BROWN/BLACK GREY 1196E YELLOW GREY BLUE M 1127-5. 00 BROWN 15 " BLACK WHITE 17"...
  • Page 26 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"...