YORKVILLE LS800P Service Manual

Also see for YS1023: Owner's manual Service manual Service manual

Contents

11 1110 109 98 87 76 65 54 43 32 21 1AABBCCDDEEFFGGHHIIJJKKLLMMNNOOPPQQProductLS800PDate:Filename:PCB#m1200S3V0.sch2002LS800PThu Jun 23, 2005M1200 ofSheetRev:433V0ProductLS800PDate:Filename:PCB#m1200S3V0.sch2002LS800PThu Jun 23, 2005M1200 ofSheetRev:433V0910111213MODEL(S):-DATE VER# DESCRIPTION OF CHANGE#12345678NNSHAFT STYLE: 4567 -> 4412, 4537 -> 4434, 4569 -> 4436GT:PC#6694:POTS CHANGED TO SAME VALUE, SHORTERVV..DD.FEB-03-2005 NUpdate tabs for DS pcb. Add pads for subst 5242 cap.PC#6750NRemoved W12, W33, W34 & W35PC#6669 Change C19,C23,C30 from 5212(100V) to 5865(250V)PC#6637 CHANGE C81,C82,C85,C86 FROM 5206 TO 5213VVV2V22V2DD16-MAR-200427-JAN-200423-OCT-2003D9-OCT-2003 2V1LS800PM1200.PCB_DATABASE_HISTORYPC#6344 - Added C120 to stop osc. at mom. turn-offC120 gets manually soldered across U4 for now.2V1.. GT:PC#6931:SPKR 18/063Y8M -> #7459 13107411211963#258MODEL(S):-PENDING CHANGEPC#*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORYXXXMove RTV holes under C104,C113,C117,C101 to bad insertsPlace C120 across pins 1 & 2 of U4XXRemove copper around heatspread holes(get covered @solder)Force update R5, R20, R21, R165 to get new patternChange C19,C23,C30 from 5212(100V) to 5865(250V)Add extra vias on eyelet parts-solder conn. not 100% on eyeletsForce update C1, C2 to get new patternLS800PPCPCPC66396634PCPCPC66396632663966316669M1200 PENDING CHANGESmove via from under R90, R97, R11, R49, R91, R9, D4REF OLD NEWPART KNOB PART KNOBMODEL(S):-FUNCTIONRRRRRRRRFFFFFFFFOO KKOOOKKKOOOKKKO KKKNNKKKNNNKKKNNNKNM1200 POT LISTLS800PP1P2P3.LEVELSHAPEHF ROLLOFF45674569FREQUENCY8393839483954434441244369916991799184537