Ampeg-SVT400-pwr-sch 电路图 维修手册.pdf

《Ampeg-SVT400-pwr-sch 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Ampeg-SVT400-pwr-sch 电路图 维修手册.pdf（4页珍藏版）》请在收音机爱好者资料库上搜索。

1、12/18/03 2/13/04 9/23/04 REM - A 1 C 0 Plot Time: Drawn: REV Sheet INITIAL ISSUE CONTROL ISSUE CORRECTED -02, ADDED -03 AS SHOWN. of21 NONE 08/08/03 Date: Ecr(s)/Ecn(s) N01612 Appvd byDate 5 4 A A B B C C D D E E Plot Date: Checked: Released: F F - G G 5 4 3 1 2 SCHEMATIC - POWER AMP 3 1 2 NOTES: Da

2、te Drawing Number: Class Code: Drawing Type: Schematic 11880 Borman Drive, St. Louis, MO 63146 REM ST. LOUIS MUSIC, INC THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Chgd ByDESCRIPTION AND 10 MEGOHM DIGITAL VOLTMETER. 1) CAUTION: SHOCK HAZARD! TOUCHING INTERNAL PARTS. CAUTION: Toleranc

3、e: Drawing Title: First Used On: Drawing Size: - Signatures: Mon Sep 27, 2004 07S388 - 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/8W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THIS

4、SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED * * * * * * * * * * * * LIMIT LED +16

5、V +16V DIRTY GND SIGNAL GND +16V CHASSIS GND -16V -16V LIMITER RED GREEN -16V J8 J12 C22 D1 75V PIV 1N914 C24 100V .1 C26 R12 1M 1/4W 5per -HV R66 100K 1/4W 5per +HV G S D Q1 J175 * R68 R14 33K 1/4W 5per 1N5353B 16V D24 C28 100 35V R18 C11 10 50V * C10 56 pF 200V R16 1K 1/4W 5per -16V C30 .1 50V +16

6、V D5 1N914 75V PIV 15K R26 1/4W 5per -16V -16V +16V D3 1N914 75V PIV 1V P-P 0V DC RED 1 2 3 4 5 6 7 8 9 10 J9 J4 PREAMP OUT R11 1K 1/4W 5per D2 1N914 75V PIV R1 1K 1/4W 5per C23 C7 .022 50V R72 22K 1/4W 5per R2 1/4W 1M 5per .1 50V C8 C25 100V .1 R3 68K 1/4W 5per 100K 1/4W 5per R65 R13 15K 1/4W 5per

7、TO TC TI TO TC TI S1:A PRE/POST TOP OC1 VTL-5C7 C9 33 pF 200V 2 3 1 IC4:A NE5532 C2 .22 100V D23 1N5353B 16V C36 22 16V R15 1.5K 1/4W 5per C27 100 35V C35 R19 1.5K 1/4W 5per 6 5 7 IC4:B NE5532 R75 R76 22K 1/4W 5per C6 47 63V D6 1N914 75V PIV R71 1.5K 1/4W 5per R10 330 1/4W 5per R9 330 1/4W 5per 2 1

8、3 J1 XLR LINE OUT DIRTY GROUND PREAMP GROUND PREAMP OUT TUNER/PRE LINE OUT +16V FROM SHEET 2 EFFECTS SEND EFFECTS RETURN 6) * SEE PARTS LIST. DB1 MP-2504L 1V P-P 0V DC R69 R67 250mV P-P ripple +64V DC +16 VDC LIMIT OFF 0 VDC LIMIT ON D8 1N914 75V PIV D7 1N914 75V PIV R4 2.2K 1/4W 5per -16V C1 .022 5

9、0V C29 50V .1 R70 +16V R74 D9 1N914 75V PIV 2.25V P-P 0V DC C31 100 pF 200V R8 10K 1/4W 5per R5 68K 1/4W 5per R73 2 3 1 IC3:A TLO-74 OUTPUT 1V P-P 0V DC D4 1N914 75V PIV 250mV P-P ripple -64V DC J11 J5 P0WER AMP IN J3 EFFECTS RET J2 EFFECTS SEND 13 12 14 IC3:D TLO-74 C21 9 10 8 IC3:C TLO-74 6 5 7 IC

10、3:B TLO-74 D10 1N914 75V PIV C3 56 pF 200V R17 R43 1.5K 1/4W 5per R42 C4 220 pF 100V R7 10K 1/4W 5per R6 7.5K 1/4W 5per 6 5 7 IC2:B NE5532 2 3 1 IC2:A NE5532 INPUTTO SHEET 2 C5 47 63V O C I O C I S1:B -20dB BOT 4) NOTE: GROUND SYMBOLS REPRESENT GROUNDS AS SHOWN: POWER TRANSFORMER CHASSIS MOUNTED 1V

11、P-P 0V DC 5) NOTE: TEST POINTS ARE FOR -01 ASSY. OTHER ASSYS ARE SIMILAR. ASSY PART # 07-388-01 ASSY PART # 07-388-02 ASSY PART # 07-388-03 TEST POINT CONDITIONS: INPUT SIGNAL AT J9 PIN 2. 1V P-P 1KHz SINE WAVE J9 PIN 3 CONNECTED TO J9 PIN 4, 120VAC LINE VOLTAGE , NO LOAD. 5V P-P SOME OFFSET POSSIBL

12、E RadioFans.CN 收音机爱 好者资料库 12/18/03 2/13/04 9/23/04 REM - A 1 C 0 Plot Time: Drawn: REV Sheet INITIAL ISSUE CONTROL ISSUE CORRECTED -02, ADDED -03 AS SHOWN. of22 NONE 08/08/03 Date: Ecr(s)/Ecn(s) N01612 Appvd byDate 5 4 A A B B C C D D E E Plot Date: Checked: Released: F F - G G 5 4 3 1 2 SCHEMATIC -

13、 POWER AMP 3 1 2 NOTES: Date Drawing Number: Class Code: Drawing Type: Schematic 11880 Borman Drive, St. Louis, MO 63146 REM ST. LOUIS MUSIC, INC THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Chgd ByDESCRIPTION AND 10 MEGOHM DIGITAL VOLTMETER. 1) CAUTION: SHOCK HAZARD! TOUCHING INTERNA

14、L PARTS. CAUTION: Tolerance: Drawing Title: First Used On: Drawing Size: - Signatures: Mon Sep 27, 2004 07S388 - 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/8W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE SERVICE PERSONNEL. DO NOT PERFORM

15、ANY SERVICING BEYOND THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED * * * * * *

16、 * * * SIGNAL GNDCHASSIS GND FLAMEPROOF FLAMEPROOF SPKR GND RED R23 2.7K 1/4W 5per R22 2.7K 1/4W 5per 2 1 J10 D35 1N3070TR 200V PIV R77 4.7K 1/4W 5per D33 1N3070TR 200V PIV R85 * R25 680 1/4W 5per C12 47 35V R20 680 1/4W 5per R58 47 1/4W 5per +HV R24 33 1/4W 5per R28 100 1/4W 5per R21 33 1/4W 5per +

17、16V 5per 1/4W 47K R79 R31 270K 1/4W 5per D18 1N4743ARL 13V C13 330 100V R59 MPS-A56 Q8 Q3 MPS-A06 D25 1N3070TR 200V PIV R78 47K 1/4W 5per * R36 47 1/2W 5per FP R35 R34 R46 R45 C33 680 pF 200V R62 15K 1/4W 5per * +HV R51 47 1/2W 5per FP R48 .47 5W 5per Q21 2N5210 R41 .47 5W 5per R49 47 1/2W 5per FP G

18、 S D J175 Q22 +16V * R83 47 1/2W 5per FP R81 .47 5W 5per * R53 1.5K 5W 5per +HV D34 1N3070TR 200V PIV D32 1N3070TR 200V PIV R33 4.7K 1/4W 5per R32 4.7K 1/4W 5per * * R54 * R57 4.7 1/4W 5per R30 100 5per 1/4W R29 470 1/4W 5per R27 680 1/4W 5per D17 1N4743ARL 13V 13V 1N4743ARL D15 D31 1N4002TR 100V PI

19、V 680 pF C34 200V 200V PIV 1N3070TR D28 R87 * 1N754ARL D20 6.8V D22 1N914 75V PIV D21 G D S Q14 IRFP-240R R80 1.5K 1/4W 5per R61 15K 1/4W 5per C18 470 10V Q12 IRFP-9240R C20 22 35V R64 10K 1/4W 5per -HV R84 .47 5W 5per 1N4743ARL D16 13V BLACK FROM SHEET 1 OUTPUT DIRTY GND -16V FLAMEPROOF FLAMEPROOF

20、OUTPUT FLAMEPROOF FAN CHASSIS MOUNTED INPUT TO SHEET 1 6) * SEE PARTS LIST. Q18 TIP-31C +17 VDC FAST SPEED +45 VDC SLOW SPEED C32 330 100V MPS-A06 Q6 CW 500 AP1 BIAS ADJUST Q5 MPS-A06 +16V 50V P-P +5.5V DC OFFSET 22K R63 1/4W 5per R60 4.7K 1/4W 5per R38 47 1/2W 5per FP R37 .47 5W 5per R39 .47 5W 5pe

21、r D26 200V PIV 1N3070TR FLAMEPROOF R44 47 1/2W 5per FP Q23 MPS-A06 R40 47 1/2W 5per FP IRFP-9240R Q24 FLAMEPROOF R82 47 1/2W 5per FP G D S Q25 IRFP-240R +HV SIGNAL GROUND C16 .1 100V K1 J6 SPEAKER OUTPUT J13 INSTALL COMP. SIDE 50V P-P - BIAS ADJUSTMENT: WITH NO SIGNAL AND NO LOAD , ADJUST AP1 TO PRO

22、DUCE 25 +/- 5mV AVERAGE ACROSS R37, R39, R41, R47, R48, R50, R81 AND R84, Q17 MPS-A56 Q2 MPS-A06 1 V+ 2 OUT 3 GND LM35DZ R56 C17 220 63V R55 2N3440 Q13 50V P-P -5.5V DC OFFSET 2N5415 Q4 MPS-A13 Q19 C14 .022 50V 200V PIV 1N3070TR D27 Q11 IRFP-9240R Q10 IRFP-9240R C15 .022 50V D29 1N4002TR 100V PIV R4

23、7 .47 5per 5W C19 35V 22 R50 .47 5W 5per G D S Q16 IRFP-240R - 100mV DC D19 1N914 75V PIV R52 3.3 1W 5per J14 INSTALL COMP. SIDE J7 SPEAKER OUTPUT 4) NOTE: GROUND SYMBOLS REPRESENT GROUNDS AS SHOWN: FLAMEPROOF 0 +5.5V DC 5) NOTE: TEST POINTS ARE FOR -01 ASSY. OTHER ASSYS ARE SIMILAR. - +6.7 V DC G D

24、 S IRFP-240R Q15 0 -5.5V DC Q20 2N5210 50V P-P - RadioFans.CN 收音机爱 好者资料库 1 3 2 0 1 2/13/04 12/17/03 9/24/04 1 - of1 REM Mon Sep 27, 2004 First Used On: 1 A A B B C C D D REV E 08:02:30 Signatures: Date E Date: Drawing Number: Drawing Title: Ecr(s)/Ecn(s) N01612 F Chgd By F PWA - POWER AMPLIFIER Date

25、 3 2 1 4 A 4 1. GOOP IN ACCORDANCE WITH PRODUCTION S.O.P. USE SCHEMATIC # 07S388 Plot Date: Released: Checked: Drawing Size: NOTES: 2.) FOR ASSEMBLY P/N: 07-388-01 & 07-388-02 & 07-388-03 Tolerance: Plot Time: Drawn: Sheet Drawing Type: Class Code: C ASSEMBLY NONE THE INFORMATION CONTAINED ON THIS D

26、RAWING IS PROPRIETARY TO DESCRIPTION ST. LOUIS MUSIC, INC Appvd by 10/06/03REM - 11880 Borman Drive, St. Louis, MO 63146 INITIAL ISSUE CONTROL ISSUE CORRECTED -02 ADDED -03 07-388 CAUTION: THIS ASSEMBLY DRAWING IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVIC

27、ING TO QUALIFIED SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. 3.) 07-388-02 ASSY - INSTALL J13 & J14 COMPONENT SIDE. ASSY PART # 07-388-03 ASSY PART # 07-388-01 ASSY PART # 07-388-02 JW3 D15 JW7 R45 R38 JW35 R46 JW23 R43 C10 JW28 JW1 D18 R87 JW

28、48 JW40 R36R83 JW14 R42 C30 C8 JW27R9 JW5 JW4 JW32 R51 JW33 C33 JW43 JW34 R29 R64 R35 JW45 D27 R25 JW39 D34 D32 D29 R21 R20 R28 R27 R62 JW37 R76 JW26 C4 R5 R3 J11 J8 D19 C26 R52 R49 R82 JW2 D16 R44 Q18 R58 HS4 R47 C34 JW8 R30 R40 C14 R77 R34 R24 D28 JW36 D33 D35 C15 D26 D25 JW15 JW18 R61 Q20 C19 DGS

29、 Q22 D20 Q21 R60 D22 R63 C12 R33 Q5 C11 D10 JW19 R19 D9 R7 R15 C36 IC4 R8 C3 R6 IC2 R4 JW29 C28 C27 C6 C5 J12 C25 4321 DB1 J13 J10 C16 J6 SPEAKER OUTPUT D17 R50 R59 JW50 JW42 R39 JW13 R32 JW12 Q19 C20 HS1 E C B Q13 C18 E C B Q4 R26 R73 D7 OC1 JW25 JW24 C35 C2 J2 EFFECTS SEND D24 R72 R10 R56 JW46 JW4

30、9 JW16 R71 R80 R18 JW44 JW11 R16 R22 C31 R79 Q17 C29 JW41 C1 JW9 D2 D8 R1 R12 C7 D23 R14 D6 D4 JW6 R84R85 R57 C17 R55 Q25 Q6 Q15 R67 R69 R66 R31 R74 JW10 JW17 R75 D21 D31 R65 R17 C32 R13 Q8 R23 Q2 JW47 AP1 R11 R78 JW38 R2 C13 JW21 D1 JW22 JW20 JW31 D G S Q1 D5 D3 K1J7 SPEAKER OUTPUT JW30 R53 Q16 R37 R48 R54 IC1 Q14 J14 Q23 R41 J4 PREAMP OUT Q3 J3 EFFECTS RET J5 P0WER AMP IN J1 XLR LINE OUT C23 INS3 IC3 HS2 S1 -20dB BOT PRE/POST TOP R81 R70 C9 Q11 Q24 Q10 1 J9 R68 C22 C24 Q12 HS3 C21 RadioFans.CN 收音机爱 好者资料库