YORKVILLE ap4020 ys4020 Service Manual

Also see for ap4020 ys4020: Service manual Owner's manual

Contents

PCBPCBPCB2HEATSPREADER#3797 THERMO PADTORQUE 4 INCH/LBHEATSPREADER1/4"31#3846 MICA#8701 4-40 KEPS NUTHEATSPREADERTO-3 TRANSISTOR#8835 BOLTT264 DEVICE#8663 SPACER#3916 THERMAL PAD#8701 4-40 KEPS NUTT-220 DEVICE#3501 BELL WASHER#8741 4-40X 1/2" BOLTTORQUE 4 INCH/LB#3823 THERMO PADT126 TYPE DEVICE#8741 4-40X 1/2" BOLT#3501 BELL WASHER#8871 4-40X 1/2" BOLTBEND DOWN 1/4" FROM BODY OF THE TRANSISTORTORQUE 4 INCH/LB#8667 SHOULDER WASHER#8701 4-40 KEPS NUTHEATSPREADER#3501 BELL WASHERPRODUCTION NOTESSEE LAYOUT DIAGRAMIMPORTANT: AFTER MOUNTING DEVICE DO NOT CUT LEGSBEND LEGS IN DIRECTION SHOWNIT IS IMPRATIVE THAT LEG ARKED 2 AND 3 AREBENT FLAT AGAINST THE COPPER SURFACE.USE #8799 TO MOUNT TRIAC Q305. MOUNTING HARDWARE FOR TO3 OUTPUTS4. MOUNTING HARDWARE FOR Q11,Q123. MOUNTING HARDWARE FOR Q40 AND Q41.7. MOUNTING DETAILS FOR Q30 TRIAC2. MOUNTING HARDWARE FOR Q5 AND Q6.1. MOUNTING DETAILS FOR 5W ADD #8629 SPACERS ONLY ON5 WATT RESISTORS R29 AND R45.6. USE #2006 SMALL BODY 1R 1W FOR R33 AND R49.9. Q31 IS HAND INSERTED AND BENT OVER WITH FLAT SIDEUP AS SHOWN.8. TAB WIRE COLOURS: W6 RED 16AWG W7 YEL 16AWGW8 BLK 16AWG W9 WHT 16AWGW10 BLU 16AWG W5 OUTPUT +W4 OUTPUT -IRF830MTP12P10MTP10N15LIRL2910IRF5210MTP2P50EMTP8P20IRF720MTP23P06BF872BF8712N6556OUTREFINAS35C EBTO-92BC560CBC550CBD139BD237BD238MJE340MJE350N/CMT1MT2MBS4942MAC224 MJL3281AMJL1302E CBTO-92MPSA63MPSA43MPSA132N5551MPSA562N54012N651711852129613107341MAY/16/03JAN/24/02MAY/31/018.308.107.00PC#6607 C10,C15,C20A #5427->#5208 2n2 400VPC#6506 ZD10,ZD11 4V7->3V0PC#6381 ADD C33/C34,R86/R87 PC#6385 C2,C4 1n->2n2DDDDSEP/2004.AUG/12/99V8.20V.8.00.6.00NREDO SOLDERMASKPC#6514 Q13->Q20 #6900->#6909. Q21->Q28 #6927->#6910NR5,R17 249FP->150RFP. R13 22K->43K. ZD5 12V->14V0PC#6435 C33,C34 220p AXIAL->1n RADIAL. C2 2n2->6n8PC#6438 ADD R88,R89CORRECT BRIDGED JACK TO ASEP/2004 9.0017/OCT/06 10.00 CONVERT TO PCAD2002PC#7083 Q11 MTP10N15SL TO IRF630NPBF9.1021/JUN/0612963#131110548721DATEMODEL(S):-VER# DESCRIPTION OF CHANGEJUN/11/99OCT/06/98JAN/13/98NOV/19/975.003.001.301.10ONE OF THREE SPEAKON JACKS DELETEDTRACE CHANGES TO ELIMINATE SHORTS PC#5729PC#5550 R36,R39 68K->47K. R40B,R35A 16K->13KROUTING ADDED. HOLE SIZE CHANGESJAN/27/99.JUN/13/99JUN/19/98JAN/27/98DEC/04/97.OCT/97NOV/10/97.4.00.2.002.011.20.1.001.01X5,X6 MOVEDPC#5908 U1,U2 4N35->TLP621U1,U2 TLP621->4N35. SPKON PCB MOVED FOR SHEARR31 47R->39R C10 680p->2n2. C8 2u2->1uPC#5533 R36,R39 68K->47K. R40B/R35A 20K->16KPC#5577 D21 MOVED. X31,X35 ADDEDPC#5567 C10,C15,C20A TO PT#5427 2n2PC#5520 R35A 16K->20K ZD7 20V->16VFIRST PRODUCTIONM1126 Database HistoryAP4020MJ21196MJ2119512963#131110548721DATEMODEL(S):-VER# DESCRIPTION OF CHANGEDDDDVVVVNNNNDDDDDDDDDVVVVVVVVVNNNNNNNNNMnnnn Drilling History{MODEL}