YORKVILLE BASS MASTER 400 Service Manual

Also see for BASS MASTER 400: User manual

PCB#:YORKVILLE NAME:MODELS: SCH ISSUE:TITLE:DATE:M1018BM400EBM400M1018V33.SCHJUN/28/2000BASS_AMP_400W3.40#7417LE_SON8R/30W10R5W TR1#733315"8R/200WMR752D27MR752D2910987654321# DESCRIPTION OF CHANGEVER#DATEMODEL(S):-DDJUN/28/00FEB/02/99DEC/04/97APR/10/97OCT/15/96JUN/28/96APR/02/96SEP/13/94VV3.403.303.203.103.002.902.802.70NNC11->C14_2u2->1uXFMR_WIRE_COLOURS_UPDATEDPC#5545_ADDED_TWEETERPC#5355_ADD_R92_C36PC#5221_R83_470R-->270RPC#5155_R38__3K9-->2K2PC#5050_ADD_470R+4N7_AT_Q6_R83,C34PC#4665_XFMR_FOR_SEMKO_TO_#1202SBM400-BM400EM1018.SCH_DATABASE_HISTORY4700u50VC1270RR83S24n7C34220RR351K81WR131K81WR15MT1NCMT2MBS4992D S GJ108BC550CC B EBC560CG D SMTA2955MTA3055EREFINOUT7915GMT2MT1MAC224B C EMJF15031MJF15030VIEWBOTTOMB EMJ15022MJ15023INOUTREF7815S2TAB8TAB5TAB6TAB1 TAB2TAB4 TAB3WC5WC3WC4WC2250V100n250V4n7TAB913A/85CTBKR1T2.5AF1WC11#1207E230VAC370VAT1TAB76V10uC106V10uC33MBR160D1221N5251B22V/.5WZD8WC15WC13WC14CONN2123456781K5R17REDLED11MR89J108Q221WC9TAB8TAB5MR752D30BAT85D34MR752D32TAB6100nC8TAB1 TAB2TAB4 TAB3WC5WC3BAT85D2033KR51WC4WC2WC81N4004D23VTL5C8U31N4004D24100nC7BAT85D7330pC16D9100nC6MR752D281u25VC302u225VC31D2522V/.5W1N5251BZD7 1MR8210KR81WC7BAT85D5WC62K2R8010RR7939KR78MT1GMT2Q18MT1MT2GMAC224Q17MR854D22MR752D266V10uC32180RR91D1033KR48SRT OUTPUTNO-GOLDJB21234561K0.5WR18100nC5250V100nC25400V4n717K8R2617K8R272K49R282K740R3068RR29SRT OUTPUTNO-GOLDJB1123456MR854D2115nC38TAB915nC35560KR8560KR356KR656KR71KR11KR2 1K5R91K5R51KR33 16V/1W1N4745ZD5D19BAT85D64700u50VC2100pC151KR45270R0.5WR7316V/1W1N4745ZD11/2TLO72U26576K80.5W R551K8R31MR752D332K87R342K2R3810RR3710RR391K8R43470nC92K87R44220RR46680RR4027RR57INREFOUT7915 Q2121333R2R36180RR90BC560Q5BC560Q6BC560Q43n3C17MJE15030Q13MJ15031Q8MJ15023Q9MJ15022Q120R185W R580R185W R604n7C18560RR4100nC2333R2R411u35VC14MBR160D1113A/85CTBKR16K80.5W R54MJ15022Q15CW4K7APT1SGDNMTA3055EQ14390R5W R63390R5W R6416V/1W1N4745ZD316V/1W1N4745ZD4270R0.5WR70270R0.5WR69100nC22MR752D31470R1WR11470u25VC215uHL1270R0.5WR6716V/1W1N4745ZD6MJ15023Q10D17D15D1825V10uC29D16BAT85D8BC550Q1270RR5618R0.5WR74220nC19BC560Q71u35VC121R0.5W R491R0.5W R52MR854D1MR854D2270R0.5WR77470u25VC245A-SBF10R185W R590R185W R61WC12BC550Q327K0.5W R871u35VC1316V/1W1N1745ZD21K0.5WR19470R1WR14470R1WR16220nC36470R1WR124K70.5W R20470R1WR10D14IN REFOUT7815Q201233R92W R92270R0.5WR68270R0.5WR72270R0.5WR71220nC2622R0.5W R4718R0.5WR7522R0.5W R50270R0.5WR66WC11BC550Q1120K0R3220K0R42270R0.5WR76BC550Q227K0.5W R86D135600u100VC4270RR53PSGD MTA2955Q161u35VC111/2TLO72U22315600u100VC327K0.5W R88390R5W R65390R5W R6227K0.5W R85#1202120VAC370VAT1TAB73u3100VTC1YELYEL-40V-40V-40VFOP_DRVFOP_DRV+15V+15V-15V-15VAGNDAGNDAGNDAGNDAGNDAGNDAGND-FLOATV-FLOATV-FLOATVFOP_OUTFOP_OUT+90V+90V-90V-90VAMPINLGLIMSIG+40V+40V+40VREDREDREDRED+FOPV-FOPVAMP_OUTAMP_OUTAMP_OUTLIMITLIMITFETCTLFETCTLSGSGSG+FLOATV+FLOATVPHONE JACK -PHONE JACK +IS #1202S WHICH HAS A RESETTABLEBREAKER IN THE PRIMARY WINDINGSNOTE: XFMR FOR SEMKO UNITSEUROPEAN EXPORT POWER SUPPLYNORTH AMERICAN POWER SUPPLYBLUEGRN/YELLBROWNPLEASE, USE EXTREME CAUTION WHEN SERVICING!THIS PRESENTS A SIGNIFICANT SHOCK HAZARD.WARNING: 180VDC IS BETWEEN POWER SUPPLIES.SG AND LG CONNECTED TO AGND AT POWER SUPPLYTANTTANTTANTTANTADJUST PT1 FOR 1.5 TO 2.5mV BETWEEN TP1 AND TP2 WITH AMP COLDLIMITER DRIVE100VBAV21BAV21PREAMP BOARDTO M1019QUIET TURN ON/OFFDC PROTECTIONPOWER AMPFLOATING OP AMPMBS4992100V(U2)(U2)BAV21BAV21BAV21BAV21100V100VNOTES:BIASLOW VOLTAGE POWER SUPPLYALL UNMARKED DIODES 1N4148WHITEGREENBLACK

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