Fender Champion 30 DSP Guitar Amplifier 电路图.pdf

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1、CHAMPION 30 DSP (This is the model name for warranty claims) Fender Musical Instruments Corp. 8860 East Chaparral Road Suite 100 Scottsdale, AZ 85250 p/n 2267300020 (120V) SERVICE MANUAL CONTENTS: Notices. 2 Specifications. 3 Service Notes. 4 Circuit Description. 5 Parts Lists: PCB Assembly. 6 uDSP

2、Assembly . 8 Chassis Assembly. 8 End Item Assembly . 9 Service Diagrams . 10 RadioFans.CN 收音机爱 好者资料库 CHAMPION 30 DSP (This is the model name for warranty claims) 2 June, 2002 IMPORTANT NOTICE Copyright 2002 FMIC. All rights reserved. All information contained herein is CONFIDENTIAL and PROPRIETARY a

3、nd is the property of Fender Musical Instruments Corporation. It is not to be sold or assigned to another party and is disclosed solely for use by Fender Authorized Service Centers for purposes of product service and maintenance. All information is not to be dis- closed to others without the express

4、ed permission of Fender Musical Instruments Corporation. All specifications are subject to change without no- tice. This information and any copies produced electronically or otherwise must be surrendered upon demand of Fender Musical Instruments Cor- poration. Parts marked with two asterisks (*) in

5、dicate the required use of that specific part. This is neces- sary for RELIABILITY and SAFETY requirements. DO NOT USE A SUBSTITUTE! PARTS LIST CODES The description codes used in the itemized Parts Lists are defined below: CAPACITOR CODES CAP AE=Aluminum Electrolytic CAP CA=Ceramic Axial CAP CD=Cer

6、amic Disk CAP MPF=Metalized Polyester Film CAP MY=Mylar CAP PFF=Polyester Film/Foil RESISTOR CODES RES CC=Carbon Comp RES CF=Carbon Film RES FP=Flame Proof RES MF=Metal Film RES WW=Wire Wound HARDWARE CODES BLX=Black Oxide CR=Chrome Plated HWH=Hex Washer Head M=Machine Screw NI=Nickel Plated OHP=Ova

7、l Head Phillips PB=Particle Board PHP=Pan Head Phillips PHPS=Pan Head Phillips Sems SMA=Sheet Metal A Point SMB=Sheet Metal B Point SS=Stainless Steel TF=Thread Forming ZI=Zinc Plated RadioFans.CN 收音机爱 好者资料库 CHAMPION 30 DSP (This is the model name for warranty claims) 3 SPECIFICATIONS Model Name:Cha

8、mpion 30 DSP Release Number:PR 484 (Not a model number) Part Numbers(120V, 60Hz) US:226-7300-020 (110V, 60Hz) TW:226-7301-020 (240V, 50Hz) AUS:226-7303-020 (230V, 50Hz) UK:226-7304-020 (230V, 50Hz) ARG:226-7305-020 (230V, 50Hz) EUR:226-7306-020 (100V, 50/60Hz) JPN:226-7307-020 (220V, 60Hz) ROK:226-7

9、309-020 Power Requirement:38 W Power Output:30 W RMS into 8 ohms ImpedancesInput (Pre-Amp): 1M ohms Speaker Complement:One (1) 10, 8 ohm, Fender Special Design (P/N 0036502000) DimensionsHeight: 15.5 in ( 39.4 cm) Width: 17 in ( 43.2 cm) Depth: 8.5 in ( 21.6 cm) Weight: 25 lbs ( 11.4 kg) Product spe

10、cifications are subject to change without notice CHAMPION 30 DSP (This is the model name for warranty claims) 4 SERVICE NOTES 1. CHASSIS REMOVAL is accomplished by first removing four (4) screws from the top of the cabinet; detach the speaker wires from the speaker and then slide the chassis toward

11、the rear of the cabinet. 2. uDSP PCB ASSEMBLY REMOVAL is accom- plished by disconnecting the ribbon cable on the PCB Assembly, releasing the tabs on each of the plastic stand-offs which the PCB assem- bly is mounted. Removal of the uDSP PCB assembly may be necessary should any of the Digital Effects

12、 operate improperly. 3. CHAMPION 30 DSP MAIN PCB REMOVAL is accomplished by removing the following items: All Knobs and potentiometer bushings, four (4) nuts and washers at the Input, Footswitch and Headphone Jacks, two (2) screws at the Heat- sink which attach to the Chassis, five (5) screws at ST1

13、 ST5. Disconnect the Transfomer Leads at P1, P3, P4, P5, and P11. Disconnect the White and Black speaker wires at P13 and P14. Disconnect the White and Black wires at the Power Switch connected to WJ1 and P9. Disconnect the Ribbon Cable at P2. Pull the Red Tulip LED Assembly out of the jeweled pi- l

14、ot light. PCB EXCHANGE POLICY Parts marked with a single asterisk (*) in the Part Lists (starting on page 9 are not field replaceable. If a failure due to one of these components is de- tected, please contact the Fender Dealer Customer Service Department to order the com- plete PCB Assembly. CHAMPIO

15、N 30 DSP (This is the model name for warranty claims) 5 CIRCUIT DESCRIPTION This section provides an overview of any new or unusual circuitry incorporated into this amplifier model. The purpose is to aid the service technician by providing insight into the design areas most likely to present a chall

16、enge in troubleshooting. This overview is focused for the efficient use and security of Fender proprietary information. PRE-AMPLIFIER The guitar input signal is fed into the high pass filter at U1A before splitting into two signal paths. The normal channel signal path (U1B to U3B) is ac- tive until

17、FETs Q1 and Q2 are turned on activating the drive channel signal path (U2A to U3B). Dif- ferential amp U4A and follower U4B adjust the signal level and provides +1.65VDC bias voltage to the uDSP effects card. The preamp is in series with the digital effects card, therefore, disconnecting the card br

18、eaks the overall signal path. The low pass filter at U5B recovers the signal from the uDSP card and sends it to the headphone jack and the power amplifier. POWER AMPLIFIER The LM3876 power amp chip (U8) is used. Load sense resistor (R69) provides negative current feedback. This circuit makes use of

19、the on-chip mute function. During normal operation, transistor Q4 is on drawing current out of U8 pin 3 through R85. Zener Diode D27 sets the voltage at which Q4 turns on. Plugging headphones into J4 re- moves ground from the cathode of D24 turning Q4 off which mutes the power amp. POWER SUPPLY Stan

20、dard bridge rectifiers, with zener regulation (D1718) for the +/15V supplies. The 7805 regu- lator (U7) taps off the +27V supply to provide +5V for the uDSP card and digital userinterface. DIGITAL USER INTERFACE The uDSP effects card generates clock signal DSP_HD1 (45Hz) which controls the 4053 CMOS

21、 switch to read pots R45 and R81. The DC level (0 5V) of the pots controls the FX LEVEL and FX SE- LECT. DIGITAL NOISE The uDSP effects card generates some high fre- quency noise (50kHz), which is a normal product of DSP processing. This noise is not audible and does not effect amplifier performance

22、, but may be visible when observing the output of the amplifier on an oscilloscope. CHAMPION 30 DSP (This is the model name for warranty claims) * *Non-serviceable part. Replace complete parent assembly. See PCB EXCHANGE POLICY on page 4. Unique Fender part. Order directly from the Fender dealer Cus

23、tomer Service Department. *Safety Requirement part. Replacement must match Safety AgencyValue, if specified Type, if specified Approval Mark(s) if on part. *Both a unique Fender part and a Safety Requirement part as defined above. 6 PARTS LIST:MAIN PCB ASSEMBLY (continued) QTY.PART #DESCRIPTIONREFER

24、ENCE DESIGNATION 10057312004PCB ASSY CHAMPION 30 DSP 1* PCB FAB CHAMPION 30 DSP REF0057314000SERV. DIA. COMB. CHAMP 30 DSP 20038689001CAP AE AX .47uF 100V 20%C8-9 20028463003CAP AE RDL 10uF 50V 20%C30 C64 20028458003CAP AE RDL 1uF 50V 20%C25 C41 20028459003CAP AE RDL 2.2uF 50V 20%C42-43 20033607000C

25、AP AE RDL 2200uF 35V 20%C35-36 80028467003CAP AE RDL 22uF 50V 20%C3 C11 C26 C29 C39-40 C55 C63 10028460003CAP AE RDL 4.7uF 50V 20%C44 20028471003CAP AE RDL 47uF 50V 20%C37-38 20039255001CAP CA 10pF 100V LLC10 C16 20051457003CAP CD 100pF 500V 5%C24 C69 30051458003CAP CD 470pF 500V 10%C7 C47 C54 10051

26、459003CAP CD 560pF 500V 10%C17 20051409003CAP CD 68pF 500V 5%C65-66 80034788003CAP CR .1uF 50V 20% .2 LSC31 C33 C46 C51 C59-62 20020867002CAP CD 330pF 1000V 10%C52 C68 10053860000* CAP MPF .1uF 250VAC 20%C58 70027278003CAP MPF .1uF 63V 10%C14 C28 C48-50 C56-57 20033579003CAP PFF RDL .0015uF 100V 10%

27、C27 C53 20033580003CAP PFF RDL .0022uF 100V 10%C13 C32 10033581003CAP PFF RDL .0033uF 100V 10%C21 30033583003CAP PFF RDL .0047uF 100V 10%C1-2 C22 30033590003CAP PFF RDL .022uF 100V 10%C12 C19 C45 40027264003CAP MPF .01uF 100V 10%C67 C70-72 20033591003CAP PFF RDL .033uF 100V 10%C5-6 50033592003CAP PF

28、F RDL .047uF 100V 10%C4 C18 C20 C23 C34 10033596003CAP PFF RDL .068uF 100V 10%C15 30037324000CONTROL SNAPIN 100k 30CR13 R25 R32 GAIN, (DR) VOLUME, TREBLE 20038656000CONTROL SNAPIN 10k BR45 R81 FX SELECT, FX LEVEL 10040552000CONTROL SNAPIN 250k 30CR35 BASS 10037323000CONTROL SNAPIN 50k 15AR22 VOLUME

29、10034719000CONTROL SNAPIN 50k BR31 MID 70064089001DIODE 1N4003 LLD13-16 D22-23 D28 100006260001DIODE 1N4448 SIGNAL LLD1-2 D5-7 D20-21 D24-26 20009165001DIODE ZEN 1N4744A 15V 1W 5%D17-18 10031019001DIODE ZEN 1N5245B 15V 5% LLD27 100025802000FSTN TAB MALE .250 x.032 PCB MTP3-5 P7-11 P13-14 30026000001

30、FSTN TAB MALE PCB MT .187x.032P1 P6 P12 20051094003* FUSE CLIP PCB 5mm F1 10057350000HDR .1 CTR 8x2 CKT SQ PINP2 10057804000HEATSINK PLATE LM3876 U8 10050849000HEATSINK PCB LEVEL 576012U U7 10028120000IC 4053B TPL 2 CHAN ANLG SWU9 50031611000IC OP-AMP DUAL PC4560U2-5 U10 10016795000IC OP-AMP DUAL TL

31、072U1 10057769000IC POWER AMP 56W/MUTE LM3876TU8 10041812000IC REGULATOR +5V MC7805CTU7 30051658000JACK MONO R/AJ1-3 INPUT1, INPUT 2, FOOTSWITCH 10055595000JACK STEREO R/A w/SL SHUNTJ4 HEADPHONE 30049948000LED RED LONG LEAD LUMEXD3-4 D12 DISTORTION, DRIVE STATUS 10055812000LED TULIP ASSEMBLYD19 POWE

32、R 10027869001RES CF 1/2W 5% 470ohm LLR61 CHAMPION 30 DSP (This is the model name for warranty claims) * *Non-serviceable part. Replace complete parent assembly. See PCB EXCHANGE POLICY on page 4. Unique Fender part. Order directly from the Fender dealer Customer Service Department. *Safety Requireme

33、nt part. Replacement must match Safety AgencyValue, if specified Type, if specified Approval Mark(s) if on part. *Both a unique Fender part and a Safety Requirement part as defined above. 7 PARTS LIST:MAIN PCB ASSEMBLY (continued) QTY.PART #DESCRIPTIONREFERENCE DESIGNATION 10030737001RES CF 1/2W 5%

34、5.6ohm LLR70 10024969001RES CF 1/4W 5% 1.5k LLR48 10025084001RES CF 1/4W 5% 10M LLR49 50024981001RES CF 1/4W 5% 10k LLR39-40 R52-53 R91 10024937001RES CF 1/4W 5% 10ohm LLR77 20024985001RES CF 1/4W 5% 15k LLR7 R37 10025058001RES CF 1/4W 5% 180k LLR18 10024986001RES CF 1/4W 5% 18k LLR71 50024965001RES

35、 CF 1/4W 5% 1k LLR8 R41 R74 R79-80 20025069001RES CF 1/4W 5% 1M LLR56 R73 50024971001RES CF 1/4W 5% 2.2k LLR21 R82 R87 R89-90 20024972001RES CF 1/4W 5% 2.7k LLR75 R78 50025059001RES CF 1/4W 5% 220k LLR16 R19 R26-27 R38 40024987001RES CF 1/4W 5% 22k LLR9-10 R17 R34 80024988001RES CF 1/4W 5% 27k LLR62

36、-65 R93-96 20024973001RES CF 1/4W 5% 3.3k LLR12 R14 20024975001RES CF 1/4W 5% 3.9k LLR67-68 10025065001RES CF 1/4W 5% 470k LLR15 30024961001RES CF 1/4W 5% 470ohm LLR28 R59-60 40024993001RES CF 1/4W 5% 47k LLR29-30 R33 R36 40024947001RES CF 1/4W 5% 47ohm LLR42-43 R83-84 50028034001RES CF 1/4W 5% 5.1k

37、 LLR5 R44 R46-47 R92 20028018001RES CF 1/4W 5% 510k LLR3-4 10024979001RES CF 1/4W 5% 6.8k LLR6 10025067001RES CF 1/4W 5% 680k LLR66 30024995001RES CF 1/4W 5% 68k LLR1-2 R88 10025942001RES CF 1/4W 5% 7.5k LLR20 10024980001RES CF 1/4W 5% 8.2k LLR11 20029613001RES CF 1/4W 5% 91k LLR23-24 20027355001* R

38、ES MOX 2W 5% 220ohm LLR57-58 10027628001* RES MOX 2W 5% 47ohm LLR86 10032958000RES WW 5W 10% .33ohmR69 10028091000SWITCH PUSH SLFLK SHORT STROKES1 CH SELECT 10048451000BUTTON PUSH SWTCH OFF WHT S1 30014689003XSTR N-CH JFET J111 TO-92Q1-2 Q5 10016739003XSTR NPN 2N4401 TO-92Q4 10016742003XSTR PNP 2N44

39、03 TO-92Q6 10036178000SPACER, .5 x .1 BROWN D12 20032908000SCREW TF 6-32 x 3/8 PHP ZI HEATSINK PLATE 10027638000SCRW TF 4-40 x3/8 HWHS ZI .1”HD U8 10039420000SCRW M 4-40 x3/8 PHP SS SEMS U7 10097360000NUT HEX 4-40 EX LOCK U7 10057041000INSULATOR MICA TDA 7294/7293 U8 10017746000WSHR SHLDR NYL 1/8x1/

40、4 U8 150020880010JUMPER WIRE 22GA .4”W3 W13 W15 W20-21 W23 W27 W29 W39 W40-42 W45 W49 W55 290020880010JUMPER WIRE 22GA .5”W1 W5-7 W9-12 W14 W16-19 W22 W25-26 W32-36 W38 W43-44 W46 W51-53 W56 90020880010JUMPER WIRE 22GA .6”W4 W8 W28 W30-31 W37 W47 W50 W54 30020880010JUMPER WIRE 22GA .7”W2 W24 W48 100

41、57408000WIRE SET, PCB CHAMP 30 DSP WJ1 CHAMPION 30 DSP (This is the model name for warranty claims) * *Non-serviceable part. Replace complete parent assembly. See PCB EXCHANGE POLICY on page 4. Unique Fender part. Order directly from the Fender dealer Customer Service Department. *Safety Requirement

42、 part. Replacement must match Safety AgencyValue, if specified Type, if specified Approval Mark(s) if on part. *Both a unique Fender part and a Safety Requirement part as defined above. 8 PARTS LIST: uDSP PCB ASSEMBLY QTY.PART #DESCRIPTIONREFERENCE DESIGNATION 10057797008PCB ASSY uDSP CHAMPION 30 DS

43、Pw/ EPROM REF0057283000SVC DIAG COMB MICRO DSP 1*IC OTP ROM CHAMP 30 DSP R1.01 1*PCB Fab u-DSP 2*CAP 0805 CER .001uF 25V 5% 14*CAP 0805 CER .01uF 25V 5% 10*CAP 0805 CER .1uF 25V 5% 2*CAP 0805 CER 22pF 25V 5% 2*CAP 0805 CER 750Pf 25v 5% 3*CAP 3528 TAN 4.7uF 16V 20% 6*CAP 3528 TAN 10uF 16V 20% 5*DIODE

44、 SMT 1N4448 SIGNAL 2*HDR .1 CTR 8x2 CKT SQ PIN 4*RES 0805 MF 1/10W 5% 0ohm 2*RES 0805 MF 1/10W 5% 100ohm 4*RES 0805 MF 1/10W 5% 750ohm 4*RES 0805 MF 1/10W 5% 1k 1*RES 0805 MF 1/10W 5% 2k 1*RES 0805 MF 1/10W 5% 3.3k 2*RES 0805 MF 1/10W 5% 4.7k 1*RES 0805 MF 1/10W 5% 15k 1*RES 0805 MF 1/10W 5% 47k 1*I

45、C SMT SOCKET PLCC 44-TT 1*IC SMT TLC549 AD 1*IC SMT SRAM 64Kx16 1*IC SMT COUNTER 74LV4040 1*IC SMT HEX SCHMITT-T INV 74HC14 1*IC SMT VREG +3.3V LM1117 1*IC SMT CODEC TLC320AD77C 1*IC SMT DSP TMS320VC5402PGE 1*IC SMT VREG +1.8V 150mA TPS76318 1*IC SMT RESET 5V MC34064D-5 1*XTAL 20MHz HC49SD PARTS LIS

46、T:CHASSIS ASSEMBLY QTY.PART #DESCRIPTIONREFERENCE DESIGNATION -0020786000* FUSE QA 20mmx5mm 250v .500A230-240V ONLY 10013112000* FUSE TD 20mmx5mm 250v 1A100-120V ONLY 10021709000BUSHING SR .437x.062x13/32 BLK SPKR LEADS 10025935000* SWITCH DPST .187 TAB (DOM)100V, 120V ONLY -0039287000* SWITCH DPST

47、.187 TAB GLOBAL230V, 240V ONLY 40025936000STANDOFF NYL PCB SNAP 3/8 NAT PCB 10057359000CABLE RIBBON 2X8 CKT 6CONNECT uDSP ASSY TO MAIN PCB 20028500000SCRW TF 8-32x3/4 HWH SLTD Z1 HEATSINK BAR 40028937000SCRW TF 6-32x5/8 PHP ZI TAPTYT STANDOFFS 10041595000SCRW 6-32x3/16 PHP STL ZI SEMS PEM STANDOFF 8

48、0033206000BUSHING KNOB SPACER CONTROLS 10033613000* XFMR PWR 120v120V ONLY -0055880000* XFMR PWR EXPORT 25W100V, 230-240V ONLY 10034885000HEATSINK BAR RD/HT/JM/CHMP110 10038900000SCRW TF 6-32X1/4 PHP ZI GND 40051404000STANDOFF NYLON BLK .375 MICRO DSP CARD 40053479000NUT HEX 7/16 20X1/8 NI J1-4 CHAMPION 30 DSP (This is the model name for warranty claims) * *Non-serviceable part. Replace complete parent assembly. See PCB EXCHANGE POLICY on page 4. Unique Fender part. Order directly from the Fender dealer Customer Service