Bassman_400_Service_Manual电路图.pdf

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1、BASSMAN 400/400H ? p/n 022-4505-000 (120V) SERVICE MANUAL CONTENTS: Notices Specifications Service notes Parts lists: PCB assy - Preamp PCB assy - Pwr amp Chassis assembly Cabinet assembly End item Schematics/drawings Fender Musical Instruments Corp. 7975 North Hayden Road Scottsdale, AZ 85258 Radio

2、Fans.CN 收音机爱 好者资料库 BASSMAN 400/400H ? (This is the model name for warranty claims) SERVICE MANUAL JUNE 2000 IMPORTANT NOTICE: The information contained herein is CONFIDENTIAL and PROPRIETARY to Fender Musical Instruments Corp. It is disclosed solely for use by qualified technicians for purposes of e

3、quipment maintenance and service. It is not to be disclosed to others without the expressed permission of Fender Musical Instruments Co. All specifications subject to change without notice. For warranty repair service, only Fender specified part numbers are to be used. It is recommended they also be

4、 used for post-warranty maintenance and repair. Parts marked with an asterisk (*) indicate the required use of that specific part. This is necessary for RELIABILITY and SAFETY requirements. DO NOT USE A SUBSTITUTE! A coded naming convention is used in the description of certain parts. The codes and

5、what they mean are as follows: CAPACITOR CODES HARDWARE CODES CAP AE=Aluminum ElectrolyticBLX=Black Oxide CAP CA=Ceramic AxialCR=Chrome Plated CAP CD=Ceramic DiskHWH=Hex Washer Head CAP MPF=Metalized Polyester FilmM=Machine Screw CAP MY=MylarNI=Nickel Plated CAP PFF=Polyester Film/FoilOHP=Oval Head

6、Phillips PB=Particle Board RESISTOR CODESPHP=Pan Head Phillips PHPS=Pan Head Phillips Sems RES CC=Carbon CompSMA=Sheet Metal A Point RES CF=Carbon FilmSMB=Sheet Metal B Point RES FP=Flame ProofSS=Stainless Steel RES MF=Metal FilmTF=Thread Forming RES WW=Wire WoundZI=Zinc Plated RadioFans.CN 收音机爱 好者资

7、料库 BASSMAN 400/400H ? SPECIFICATIONS Product Release No.:PR 412 (This is not a model number) Bassman 400Bassman 400H Part Number:120V Version:22-450522-4506 240V Aus:22-453522-4536 230V UK:22-454522-4546 230V Eur:22-456522-4566 100V:22-457522-4576 Power Requirements:900W Power Amp Section: Power Out

8、put:350 Watts RMS into 4 0.02% THD, 1kHz Sensitivity:1.4V RMS, 1kHz Preamp Section: Input impedance:Passive: 1MActive: 1M Sensitivity At Full Power:Passive: 19mVActive: 40mV Nominal Level:Passive: 145mVActive: 300mV Tone Controls:Bass:+/-15 dB 50 Hz Treble:+/-15 dB 10 kHz ? Semi-parametric control:L

9、ow frequency:25Hz to 150Hz (3-Band, Switchable)Low level:+/-15dB low freq. setting Mid frequency:140Hz to 1.6kHz Mid level:+/-15 dB Mid frequency setting High frequency:1.4kHz to 8kHz High level+/-15dB High frequency setting Room balance:+/-10dB, crossover frequency: 350Hz Effects Loop: Send impedan

10、ce:1k Return impedance:22k Nominal level:+4dbu (adjustable with level control) Speakers:Bassman 400:Two Eminence 8 10 woofers (P/N 0051864000) One Foster 8 Horn (P/N 0048847000), FUSE: 2A 250V Footswitch:One button; Semi-parametric EQ (P/N 0055852000) Dimensions:Bassman 400:Height: 24 3/4(62.9 cm) W

11、idth: 23(58.4 cm) Depth: 17(43.2 cm) Bassman 400H:Height: 6 7/8(17.5 cm) Width: 23(58.4 cm) Depth: 15 1/2(39.4 cm) Weight:Bassman 400:80 lbs.(36.4 kg) Bassman 400H:42 lbs.(19.1 kg) Product specifications are subject to change without notice RadioFans.CN 收音机爱 好者资料库 BASSMAN 400/400H ? SERVICE NOTES 1.

12、CHASSIS REMOVAL is accomplished by first removing six (6) screws from the top, and one (1) screw from each side of the cabinet; then slide the chassis out the rear. 2. HEATSINK AIR BAFFLE should be in place before operating unit for extended periods. If baffle is removed, take care not to pinch any

13、wires when reinstalling. See Technote 2k-3 for additional information. The HF HORN is fuse-protected. This fuse is located on the rear speaker panel, near the Horn- level control PARTS LIST NOTE: SHADED ITEMS ARE FOR REFERENCE ONLY PRINTED CIRCUIT BOARD ASSEMBLY - PREAMP QTY PART # DESCRIPTION REFER

14、ENCE DESIGNATION 30029533000CABLE JMPR 22GA 4 CKT 3.2”PW1A-B PW2A-B PW3A-B 20048914000CABLE RIBBON 8 CKT 7 inPW100-101 20026517001CAP AE AX 2.2uF 50V 20%C7 C38 50038691001CAP AE AX 4.7uF 50V 20%C2 C5 C11 C19 C24 30038692001CAP AE AX 10uF 35V 20%C58-60 50025960001CAP AE AX 22uF 16V 20%C41 C44-46 C52

15、60042001001CAP CA 33pF 100V LLC6 C10 C18 C23 C30 C57 10039256001CAP CA 68pF 100V LLC39 20039258001CAP CA 180pF 100V LLC1 C25 10039261001CAP CA 330pF 100V LLC56 10039262001CAP CA 680pF 50V LLC32 160034788003CAP CR .1uF 50V 20% .2” LSC61-76 20027255003CAP MPF .001uF 100V 10%C16 C37 20027257003CAP MPF

16、.0022uF 100V 10%C17 C40 30027259003CAP MPF .0033uF 100V 10%C13 C29 C35 10027260003CAP MPF .0039uF 100V 10%C55 10027261003CAP MPF .0047uF 100V 10%C22 20027262003CAP MPF .0068uF 100V 10%C8-9 20027264003CAP MPF .01uF 100V 10%C21 C33 10041904003CAP MPF .012uF 100V 10%C15 10027265003CAP MPF .015uF 100V 1

17、0%C12 10041903003CAP MPF .018uF 100V 10%C14 20027270003CAP MPF .033uF 100V 10%C27-28 50027272003CAP MPF .047uF 100V 10%C42-43 C47-48 C51 20027278003CAP MPF .1uF 63V 10%C3-4 10027281003CAP MPF .22uF 63V 10%C36 30027283003CAP MPF .33uF 63V 10%C26 C53-54 30027286003CAP MPF .47uF 63V 10%C20 C49-50 10030

18、942003CAP PFF RDL .0056uF 50V 5%C31 100027945000CONTROL SNAPIN 100k B TAPERR13 R17 R34 R37 R39 R41 R43 R48 R94 R120 Gain RoomBalance Bass Treble LowLevel MidLevel HighLevel EqGain Compressor MasterVolume 10031089000CONTROL SNAPIN 100K 10C DUALR63 MidFreq BASSMAN 400/400H ? PRINTED CIRCUIT BOARD ASSE

19、MBLY PREAMP (cont) QTY PART # DESCRIPTION REFERENCE DESIGNATION 20053563000CONTROL SNAPIN 50k 30C DUALR56 R70 LowFreq HighFreq 310006260001DIODE 1N4448 SIGNAL LLD1-14 D16-24 D26-28 D31-33 D35-36 10027327001DIODE ZEN 1N5234B 6.2V 5% LLD25 10031635001DIODE ZEN 1N5240B 10V 5% LLD37 110016795000IC DUAL

20、OP-AMP TL072U1-8 U10 U13-14 10027404000IC CA3080AE OTAU9 40031611000IC DUAL OP-AMP PC4560U11-12 U15-16 10053450000JACK STEREO R/AJ1 Input 20030755000LED GREEN T-1 3mm DIFFUSEDD29 D38 40036178000SPACER LED .5x.1 BRN D29 D30 D34 D38 10040271000LED RED/YELLOWD15 20049948000LED, RED LONG LEAD LUMEXD30 D

21、34 20024937001RES CF 1/4W 5% 10 ohm LLR143 R146 10024952001RES CF 1/4W 5% 100 ohm LLR99 20024956001RES CF 1/4W 5% 220 ohm LLR112-113 30024962001RES CF 1/4W 5% 560 ohm LLR102-103 R144 30024963001RES CF 1/4W 5% 680 ohm LLR78 R91 R130 10024965001RES CF 1/4W 5% 1k LLR139 10024973001RES CF 1/4W 5% 3.3k L

22、LR1 30024977001RES CF 1/4W 5% 4.7k LLR11-12 R133 40024978001RES CF 1/4W 5% 5.6k LLR36 R50 R100-101 10028948001RES CF 1/4W 5% 6.2k LLR87 10024979001RES CF 1/4W 5% 6.8k LLR38 330024981001RES CF 1/4W 5% 10k LL R3 R5 R10 R14 R20-21 R31 R46-47 R49 R51 R57-58 R64-65 R71- 73 R79-81 R89 R98 R104-107 R118 R1

23、21 R125-126 R141-142 20024983001RES CF 1/4W 5% 12k LLR23 R132 20029006001RES CF 1/4W 5% 20k LLR82-83 70024987001RES CF 1/4W 5% 22k LLR109 R114-117 R123 R128 60024988001RES CF 1/4W 5% 27k LLR15 R19 R24 R28 R134-135 50024989001RES CF 1/4W 5% 33k LLR22 R75 R84 R96-97 100024993001RES CF 1/4W 5% 47k LLR6

24、-8 R29-30 R33 R45 R76 R131 R140 10024994001RES CF 1/4W 5% 56k LLR9 20026507001RES CF 1/4W 5% 62k LLR86 R92 60024995001RES CF 1/4W 5% 68k LLR52 R54 R59 R61 R66 R68 40024996001RES CF 1/4W 5% 82k LLR16 R18 R95 R136 100024997001RES CF 1/4W 5% 100k LL R32 R53 R55 R60 R62 R67 R69 R111 R119 R122 1002854900

25、1RES CF 1/4W 5% 110k LLR138 10024999001RES CF 1/4W 5% 150k LLR137 20025059001RES CF 1/4W 5% 220k LLR127 R129 60025063001RES CF 1/4W 5% 390k LLR2 R4 R35 R40 R42 R44 80025069001RES CF 1/4W 5% 1M LLR25-27 R74 R77 R85 R108 R124 30025073001RES CF 1/4W 5% 1.5M LLR88 R90 R93 10027872001RES CF 1/2W 5% 1.2k

26、LLR110 10026549001RES CF 1/2W 5% 1.5k LLR145 40028091000SWITCH PUSH SLFLK SHORT STROKES1-4 40048451000BUTTON PUSH OFF WHITE S1-4 20016739003XSTR NPN 2N4401 TO-92Q9-10 20016742003XSTR PNP 2N4403 TO-92Q7-8 60041465003XSTR N-CH JFET J113 TO-92Q1-6 10055683000PCB FAB BASSMAN 400 PREAMP BASSMAN 400/400H

27、? PRINTED CIRCUIT BOARD ASSEMBLY POWER AMP QTY PART # DESCRIPTION REFERENCE DESIGNATION 20038689001CAP AE AX .47uF 100V 20%C16 C18 10038692001CAP AE AX 10uF 35V 20%C119 80025960001CAP AE AX 22uF 16V 20%C1-2 C200 C203-205 C207-208 40049521000CAP AE AX 47uF 50V 20%C9-10 C114-115 10038694000CAP AE AX 1

28、00uF 16V 20%C17 10028489000CAP AE RDL 470uF 50V 20%C117 20028494000CAP AE RDL 1000uF 35V 20%C108-109 20025786000CAP AE RDL 6800uF 80V 20%C106-107 40039256001CAP CA 68pF 100V LLC3 C5-6 C206 20039258001CAP CA 180pF 100V LLC201-202 80034788003CAP CR .1uF 50V 20% .2 LSC7-8 C110-113 C118 C120 10027278003

29、CAP MPF .1uF 63V 10%C116 60052003003CAP MPF .1uF 250V 10%C13-14 C102-105 10053860000CAP MPF .1uF 275V 20%C101 20027267003CAP MPF .022uF 100V 10%C11-12 10051416003CAP SF .1uF 100V 10%C15 10027941000CONTROL SNAPIN 50k B TAPERR210 Line out level 280006260001DIODE 1N4448 SIGNAL LLD1-11 D16-19 D22-23 D26

30、 D30-32 D104-107 D112-113 D201 20025821001DIODE HV FDH400 SWITCHINGD12-13 20031729001DIODE ZEN 1N5231B 5.1V 5% LLD20-21 30031635001DIODE ZEN 1N5240B 10V 5% LLD27-29 100064089001DIODE 1N4003 LLD24-25 D100-103 D108-111 20054210001DIODE BAT85D14-15 90025802000FSTN TAB MALE .250 x.032 PCB MTP1-9 2002599

31、6000FUSE CLIP PCB .250 & 5MM FUSE F1 10027408000HDR .1 CTR 2 CKT SQ PINP10 20027416000HDR .1 CTR 8 CKT SQ PINP100-101 20050849000HEATSINK PCB LEVEL U101-U102 20039420000SCRW M 4-40X3/8 PHP SS SEMS U101-U102 20097360000NUT HEX 4-40 EX LOCK U101-U102 10055689000HEATSINK BASSMAN 400 HS1 100027638000SCR

32、W TF 4-40 x3/8 HWHS ZI .1” HD HS1, Q14-15 120032934000SCRW TF 4-40 x1/2 HIHS ZI Q16-Q21 120032937000WSHR CONE Q16-Q21 10031611000IC OP-AMP DUAL PC4560U201 10013562000IC REGULATOR +15V MC7815CTU101 10013564000IC REGULATOR -15V MC7915CTU102 10027387000INDUCTOR AIR CORE RDL 2.5uHL1 10029175000JACK PHON

33、E 1/4 HI CURRENT PCJ1 (assy P/N 0055686000 Bassman 400) Spkr 20029175000JACK PHONE 1/4 HI CURRENT PCJ1-2 (assy P/N 0055943000 Bassman 400H) Spkr 20051658000JACK MONO R/AJ203-204 Footswitch Tuner out 20053450000JACK STEREO R/AJ201-202 Send - Return 10054261000JACK XLR MALE RT ANGLEJ205 Line out 30036

34、960001RES MF FUSE 1/4W 5% 47ohm LLR25 R28 R36 20038814001RES MF FUSE 1/4W 5% 220ohm LLR12-13 BASSMAN 400/400H ? PRINTED CIRCUIT BOARD ASSEMBLY POWER AMP (cont) QTY PART # DESCRIPTION REFERENCE DESIGNATION 60051731001RES MF FUSE 1/4W 5% 1k LLR29-33 R35 40024937001RES CF 1/4W 5% 10ohm LLR20-21 R61 R21

35、5 10024942001RES CF 1/4W 5% 22ohm LLR103 40024947001RES CF 1/4W 5% 47ohm LLR5 R7 R56 R216 10024960001RES CF 1/4W 5% 390ohm LLR104 90024965001RES CF 1/4W 5% 1k LLR1-2 R24 R106 R201-204 R208 60024971001RES CF 1/4W 5% 2.2k LLR4 R6 R9-10 R14 R17 20029455001RES CF 1/4W 5% 2.4k LLR15-16 20024973001RES CF

36、1/4W 5% 3.3k LLR213-214 10024977001RES CF 1/4W 5% 4.7k LLR8 70024981001RES CF 1/4W 5% 10k LLR26-27 R48-49 R51 R211-212 20024985001RES CF 1/4W 5% 15k LLR34 R50 10024986001RES CF 1/4W 5% 18k LLR55 20024987001RES CF 1/4W 5% 22k LLR54 R57 30024988001RES CF 1/4W 5% 27k LLR3 R11 R46 10024993001RES CF 1/4W

37、 5% 47k LLR58 80024997001RES CF 1/4W 5% 100k LLR47 R52-53 R200 R205-207 R209 20054368001RES FP 1/2W 5% 1.5k LLR19 R22 10026512001RES CF 1/2W 5% 3.9k LLR105 10033095001RES MOX FP 1W 5% 1ohm LLR107 10027627001RES FILM 1W 5% 10ohm LLR45 30037354001RES FILM 1W 5% 4.7k LLR18 R23 R102 30027628001RES MOX 2

38、W 5% 47ohm LLR43-44 R100 10041269001RES MOX 2W 5% 1.2k LLR101 60050814000RES WW 5W 10% .15ohmR37-42 20028091000SWITCH PUSH SLFLK SHORT STROKES201-202 20048451000BUTTON PUSH OFF WHITE S201-202 10026411000THERMISTOR 2.5 ohm 8A C30-19RT1 10051418003THERMAL SENSOR PTC 100 DEG CRT3 10053923003THERMAL SEN

39、SOR PTC 80 DEG CRT2 10014689003XSTR N-CH JFET J111 TO-92Q201 10014867003XSTR NPN MPSW42 (TO-92)Q9 10014866003XSTR PNP MPSW92 TO-226AEQ8 20016739003XSTR NPN 2N4401 TO-92Q12 Q25 50016742003XSTR PNP 2N4403 TO-92Q13 Q22 Q24 Q26 Q102 40025751003XSTR NPN 2SC2362K/2SC2389STPSQ1-3 Q6 40025752003XSTR PNP 2SA

40、1038STPSQ4-5 Q7 Q23 10051447003XSTR PNP 2SB1236Q11 20051448003XSTR NPN 2SD1857Q10 Q101 10028759000XSTR PNP 2SA1306A TO-220PQ15 20028760000XSTR NPN 2SC4793/2SC3298BQ14 Q100 30054804000XSTR NPN 2SC2922 MT-200Q16 Q18 Q20 30054805000XSTR PNP 2SA1216 MT-200Q17 Q19 Q21 10055685000PCB FAB BASSMAN 400 PWR A

41、MP CHASSIS ASSEMBLY QTY PART # DESCRIPTION REFERENCE DESIGNATION 10054841000CHASSIS BASSMAN 400 10055679000PANEL, FRONT, BASSMAN 400 10055680000PANEL, REAR, BASSMAN 400 BASSMAN 400/400H ? CHASSIS ASSEMBLY (cont) QTY PART # DESCRIPTION REFERENCE DESIGNATION 10055692000XFMR PWR 120V, 500W 2OHM LVR 100

42、55693000XFMR PWR 230V, 500W 2OHM LVR230V/240V 10055694000XFMR PWR 100V, 500W 2OHM LVR 10055684000PCB ASSY BASSMAN 400 PREAMP 10055686000PCB ASSY BASSMAN 400 PWR AMP 10055688000FUSE QA 20mmX5mm 125V 10A UL/CSA100/120V 10020798000FUSE QA 20mmx5mm 250v 5A230/240V 10053911000FAN ASSY COOLING DC 24V 1003

43、1180000FAN GUARD 3-1/8 FAN 10032925000DIODE BRIDGE RECTIFIER 35A 10055687000BAFFLE, AIR BASSMAN 400 40055934000SCRW TF 10-32x5/8 THP BLX XFMR 100015627000SCRW M 6-32x3/4 PHP BLX FAN/BRDG/DAM/GND 100069393000NUT 6-32 HEX EXT LOCK FAN/BRDG/DAM/GND 50053479000NUT HEX 7/16 20X1/8 NI JACKS 50053480000WAS

44、HER FLAT .442 X.692 NI JACKS 10016352000NUT HEX 3/8-32x3/32 TK NI SPKR JACK 10031153000WSHR FLAT 3/8x.614 NI SPKR JACK 10016436000WSHR LCK INTL 3/8x.687x.0.35 NI SPKR JACK 40051404000STANDOFF NYLON BLK .375 PRE-AMP PCB 100031073000STANDOFF 6-32x3/8 RND AL PWR AMP PCB 40033051000SCRW M 6-32x1/2 PHP Z

45、I LW HEATSINK/STND 160014999000SCRW M 6-32x1/4 PHP BLX STANDOFFS 20051155000SCRW SMB #4X3/8 PHP BLX XLR JACK 10053986000KNOB ROTARY SS W/CHR INSERT REAR PANEL 130055775000KNOB, ROTARY W/ CH INS, BASSMAN 10039236000SWITCH ROCKER DPST PSEUDO-IEC100/120V 10040582000SWITCH DPST .250 TAB GLOBAL230/240V 1

46、0054642000CONNECTOR IEC SNAP IN CABINET ASSEMBLY QTY PART # DESCRIPTION REFERENCE DESIGNATION 40029071000CORNER NOTCHED NICKLE (FD) TOP REAR & BTM FRONT 20026568000CORNER 3 HOLE NI BTM REAR 40051049000FOOT RUBBER 1.5 DIA 20014150000HANDLE-CABINET 6 CH 20014151000HANDLE HOUSING 40023505000MTG PLATE -

47、 SWIVEL CASTER 200016627000SCRW SMA 8x3/4 OHP BLX HANDLES 120021972000NUT T 10-32x3/4 STR 3 PRNG BLX SPEAKER HOLES & FEET 140026571000SCRW SMAB 8X5/8 THP NI CORNERS 40026577000SCRW M 10-32x1 PHP BLX FEET 160027199000SCRW SMAB 10 x3/4 PHP NI CASTER PLATES REF0027648000TAPE ALUM 6x60YDS REF0040046000C

48、ARPET BLACK CLEATS REF0051343000VINYL TOLEX 4227A REF0051494000POLY DAMPING BASSMAN 400/400H ? END ITEM ASSEMBLY QTY PART # DESCRIPTION REFERENCE DESIGNATION 10055357000CAB ASSY BASSMAN 400: 10055673000CHS ASSY BASSMAN 400 120V REF0055674000CHS ASSY BASSMAN 400 230V REF0055676000CHS ASSY BASSMAN 400 240V AUST REF0055677000CHS ASSY BASSMAN 400 100V JPN 10047600000NAMEPLATE FNDR BLACK 10055731000LOGO, BADGE, BASSMAN AMPS GRILLE 20051864000SPEAKER 10 8 ohms 10048847000HORN FOSTER 8 ohm 10055831000GASKET HORN BASSMAN AMPS HORN 10055847000CABLE ASSY, SPKR RT ANGL INSLTD 10055802000CRO