Rumble_75_Bass_Schematic 电路图.pdf

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1、N L 220-240V 120V 100V INPUT VOLTAGE POWER TRANSFORMER LABEL 076-RB75U 076-RB75J 076-RB75E 1A 2A 3B 4B REAR VIEW UP TYPICAL POWER ON/OFF SWITCH Corona, CA U.S.A. MUSICAL INSTRUMENTS PR850A 850KKI012DRAWN: IDK/dBL DATABASE FILE: Z850S.SCH (schematic) D REV.APPROVEDDATEDESCRIPTION R E V I S I O N S AE

2、NGR: IDK/dBL RELEASE DATE: 19-AUG-09 A B C DD C B A 87654321 12348765 BASS AMPLIFIER REV.DRAWING NUMBERSIZE R INSTRUMENTS AND IS SUBMITTED TO YOU IN CONFIDENCE AND SHALL NOT BE DISCLOSED OR TRANSMITTED TO OTHERS WITHOUT AUTHORIZ- ATION FROM FENDER MUSICAL INSTRUMENTS. THIS DOCUMENT CONTAINS INFORMAT

3、ION OF A PROPRIETARY NATURE TO FENDER MUSICAL RUMBLE 75 19-AUG-09I D K CHECKED BY: DATE: APPROVED BY: DATE: TITLE:SERVICE DIAGRAM, COMBINED NOTES:(UNLESS OTHERWISE NOTED) 1. ALL RESISTORS IN OHMS, 5%; 1/4W. (POWER SUPPLY BYPASS CAPACITORS ARE 20%). 2. ALL UNPOLARIZED CAPACITORS IN uF, 10% OR BETTER;

4、 50V MINIMUM. 3. ALL POLARIZED CAPACITORS IN uF, 20%; 25V MINIMUM. 4. ALL DIODES ARE 1N4448. PCB ASSEMBLY P/N 850KKI010. 5. THIS SCHEMATIC IS FOR PCB FABRICATION P/N 850VKI011 AND SHEET: 1 OF 2 BLACK GRN/YEL WHITE 2A 4B 3B 1A POWER SWITCH BLACK WHITE (80Hz)(5kHz) EXTERNAL FOOTSWITCH LATCHING SWITCH

5、*OPTIONAL LED (400Hz) (1.2kHz) PA BREAKAWAY B PA BREAKAWAY A PA BREAKAWAY B PA BREAKAWAY A RED YEL RED WHITE BLACK TO P4 F1A L 250V F2A L 250V LINE VOLTAGE FUSE RATING 220-240V 100-120V F1 VALUE +15.3VDC* *When ENABLE button is pressed IN *TP17 -18. Remove the plug from J1 and insert it into J2 for

6、the (*) measurements. *When ENABLE button is pressed in *When ENABLE button is pressed in Return signal to J1 for remaining measurements *When ENABLE button is pressed in WHITE - + BLACK 12 8-ohm SPEAKER 6. LAST REFERENCE DESIGNATORS: C90, D36, F1, J6, P9, PW5, Q10, 7. AC AND DC VOLTAGES ARE READ TO

7、 GROUND WITH A DVM UNDER THE FOLLOWING CONDITIONS: UNIT AT RATED LINE VOLTAGE 8 OHM RESISTIVE LOAD AT P7-P8 ALL CONTROLS AT 12 OCLOCK (50% ROTATION) NO INPUT SIGNAL FOR TP1-16 100mVRMS, 100Hz SINEWAVE INPUT SIGNAL AT J1 ENABLE SWITCH S1 OUT (OFF), EXCEPT AS NOTED* FOR TP16,20,21,29-31 VOLTAGES MAY V

8、ARY BY +/-20% R123, S3, U10. NOT USED: D34 SIGNAL APPLIED TO OUTPUT POWER TEST: RATED LINE VOLTAGE SUPPLIED TO UNIT 69W (23.5Vrms) 0.3% THD 8ohm RESISTIVE LOAD CONNECTED BETWEEN P1 & P2 100Hz1kHz 69W (23.5Vrms) 75W (24.5Vrms) 0.3% THD 75W (24.5Vrms) 0.3% THD LIMITER ON LIMITER OFF* FREQ *When ENABLE

9、 button is pressed IN 0.3% THD 0VDC * *With plug inserted in HEADPHONES jack 280mW 0.1% THD INTO MAX HP OUTPUT, Vo = 2.99Vrms BOTH CHANNELS DRIVEN, 100Hz 32ohms (MIN) PER CHANNEL AUX-IN JACK (J3) 8. THIS POWER AMPLIFIER OPERATES IN A BRIDGED CONFIGURATION. NEVER CONNECT THE BLACK (-) SPEAKER OUTPUT

10、DIRECTLY (OR INDIRECTLY THROUGH GROUNDED OSCILLOSCOPE PROBE) TO GROUND! OUTPUT VOLTAGE MEASURED WITH A DVM BETWEEN P1 & P2 DO NOT GROUND THE BLACK (-) SPEAKER CONNECTION (P1)! UNDER THESE CONDITIONS, VERIFY THE FOLLOWING: OSCILLOSCOPE PROBE MAY BE CONNECTED TO P1 and/or P2, BUT R121 1.5k D36 RED POW

11、ER R120 1k R119 1k C67 22 50V R7 68k R6 1M 4 11 U2-E TL074 J5 LINE OUT10 9 8 U8-C TL074 C54 4.7 R100 15k R111 47C83 220pF C79 220pF C30 47 C31 47 4 11 U7-E TL074 C44 .1 C13 .1 C59 .1 C60 .1 R118 100k C29 4.7 10 9 8 U2-C TL074 S2-B PUNCH S2-A PUNCH R79 4.7k R77 270k C52 .01 C34 .068 C32 .022 R74 270k

12、 CW R62 50kB BASS CW R93 50kB TREBLE R80 5.6k R48 47k R50 47k R83 47k C58 33pF C50 .01 R91 6.8k C68 .0068 R51 1M 10 9 8 U7-C TL074 3 2 1 U8-A TL074 4 11 U8-E TL074 5 6 7 U7-B TL074 5 6 7 U10-B 4560 3 2 1 U10-A 4560 R110 47 R101 68k 8 4 U10-C 4560 8 4 U9-C 4560 J4 HEAD PHONES D35 R63 10M OUTIN ADJ 1

13、2 3 U4 7815 GND INOUT 1 23 U5 7915 D18 D17 C88 220pF C82 220pF C8 .1 C51 .1 J6 FOOTSWITCH R122 300 S1-A S1-B ENABLE R42 10k Q8 R98 47k R99 10k C73 100pF R97 15k R109 47 5 6 7 U9-B 4560 3 2 1 U9-A 4560 R108 47 R96 68k R94 47k R95 10k C72 100pF D16 RED OVERDRIVE R41 4.7k R44 2.2k Q9 KTA1266 C27 4.7 R4

14、3 3.3k C9 100pF G S D Q10 R123 1.2k C87 220pF C25 .1 C26 .1 R81 6.8k R82 270k C57 .0015 R89 270k C62 560pF R88 6.8k C56 .047 C61 .015 CW R78 50kB LOW MID CW R85 50kB HI MID R33 9.1k R34 33k R24 10k R22 10k R37 33k R20 10k R21 100 R2 6.8k R3 100k R5 6.8k R4 4.7k R9 33k R12 33k R15 33k R16 33k R17 4.7

15、k C3 1 C4 1 C5 1 C6 1 D14 D15 D6D5D3D4 Q1 MPSA63 CV BO BI D - + 3 4 7 5 2 8 1 U1-A LM13700 CV BO BI D - + 14 13 10 12 15 9 16 U1-B LM13700 3 2 15 14 6 13 U6-A TDA7294 R55 1k R54 27k C24 22 50V D20 D19 C55 .1 D22 1N4003 D21 1N4003 P1 C40 22 MUTE STBY 10 9 1 4 8 7 U6-B TDA7294 R112 33k R117 47k C69 10

16、0 16V C71 47 16V C33 .1 C28 .1 D30 P8 P7 P9 F1 C89 .1 250VAC P4 D26 6A4 D23 6A4 D24 6A4 D25 6A4 C66 .1 250V C64 .1 250V C63 4700 40V C65 4700 40V R70 47 1/2W R71 47 1/2W CS1 12 13 14 U8-D TL074 5 6 7 U8-B TL074 R86 100k R114 33k R113 47k Q7 J113 R40 10M D7 R116 Fr2.7 2W C81 .1 D31 1N4003 D29 1N4003

17、P2 R61 27k C23 .47 6 11 U1-C LM13700 C77 22 3 2 15 14 6 13 U3-A TDA7294 R102 1k R105 27k C15 22 50V D28 D27 R103 27k R104 27k C11 .1 C12 .1 MUTE STBY 10 9 1 4 8 7 U3-B TDA7294 C18 .1 C20 .1 R L J3 AUX IN C78 220pF C80 220pF R18 2k C47 22 50V C35 .047 C37 680pF C45 180pF 3 2 1 U7-A TL074 C36 .22 S3-A

18、 SCOOP R56 22k R53 75k S3-B SCOOP C41 .1 R57 47k R58 4.7k R59 39k R52 15k R64 22k R65 56k R84 22k R92 22k D1 D2 R13 10k R14 33k C2 22 R30 3.3k C14 .47 CW R35 250k15A GAIN 12 13 14 U2-D TL074 5 6 7 U2-B TL074 R68 100k C46 .001 C48 220pF R67 100k 12 13 14 U7-D TL074 3 2 1 U2-A TL074 C1 22 C19 1 C16 22

19、 C7 33pF R38 10k Q6 MPSA63 D11 RED D12 RED R1 100k C17 22 R36 100k D9D8 Q3 J175 Q2 J113 R25 62k R11 62k C10 470pF R76 18k R75 6.8k C43 22 R69 100k D10 Q4 J175 C53 .01 R90 47 R87 47 CS2 R49 47 C70 4.7 C74 4.7 R60 47k PW3 PW5 P3 P5 J1 INPUT 1 J2 INPUT 2 R72 Fr2.7 2W C49 .22 C38 22 C42 .01 C39 .01 R73

20、750k R66 330k R46 1.5k CW R45 10kB BLEND R47 4.7k CW R23 250k15A VOLUME R8 68k R10 100k D13 1N4448 Q5 J175 R32 100k R19 10k R39 10k R31 4.7k R27 33k R26 33k R28 15k R29 15k D33 D32 R115 100k C21 22 C22 22 C75 1 C76 1 R106 47k R107 47k C90 .001 TP3 +29.5VDC TP4 -29.5VDC TP7 +15.5VDC TP8 -15.5VDC TP11

21、 +7.0VDC TP9 +7.0VDC TP16 -15.5VDC TP12 -15.5VDC TP17 100mVAC TP19 430mVAC *215mVAC TP18 100mVAC *0mVAC TP21 72mVAC 315mVAC* TP22 260mVAC TP23 324mVAC TP25 323mVAC TP26 495mVAC TP29 5.0VAC TP30 5.0VAC TP31 1.5VAC 3mVAC* TP27 515mVAC TP28 515mVAC P6 TP13 0VDC TP15 +13.4VDC TP5 +27VDC TP6 -27VDC TP1 2

22、2.5VAC TP2 22.5VAC TP10 +9.5VDC TP24 324mVAC TP14 +4.3VDC TP20 430mVAC 1.87VAC* C84 .047 WJ3 RED WJ4 BLACK WJ1 RED WJ2 BLACK WJ5 RED WJ6 BLACK WJ7 RED WJ8 BLACK -25V +25V +25VA -25VA -25V +25V -16V -16V -25V +25V +16V -16V +25VB -25VB +16V +16V DGND DGND +16V -16V STANDBY MUTE_2ND STANDBY MUTE_1ST STBYA MUTEA +25V -25V STBYB MUTEB +25V -25V +25V -25V -25VA +25VA MUTEA STBYA GA -25VB +25VB GB MUTEB STBYB +16V -16V +16V -16V DGND AMPGNDDGND GA GAA AMPGND GB GBB CHRGND AMPGND AMPGND MUTE_1ST MUTE_1ST STANDBY MUTE_2ND DGND +16V -16V RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库