Ampeg_SVT-VR_Power_Amp_(07S365)_Schematic电路图.pdf

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1、DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD!

2、2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 S

3、ignatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Thu Apr 20, 2006 0 3/13/06 1 GM CONTROL ISSUE C of Drawing Title: Drawing Number: NONE 1 Ecr(

4、s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 08/17/05 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F 07S365 2 SCHEMATIC - TUBE BD Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUAL

5、IFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OS

6、CILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic

7、 Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Thu Apr 20, 2006 0 3/13/06 1 GM CONTROL ISSUE C of Drawing Title: Drawing Number: NONE 1 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 08/17/05 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F 07S365 2 SCHEMATIC - T

8、UBE BD Date 4 3 1 FIL2 FIL1 FIL1 660V FIL2 FIL2 FIL1 372V J7 FIL1 FIL2 TO POWER AMP J10 30V FIL2 1KV PIV 1N4007 D6 APPROX -45V 1KV PIV 1N4007 D4 660V R12 220 1/2W 5% FLAMEPROOF 1/2W 1% 47.5K R4 1KV PIV 1N4007 D3 1% 1/2W 47.5K R14 FIL1 1 1 5 3W 5% FLAME PROOF R15 R9 220 1/2W 5% FLAMEPROOF 1KV PIV 1N4

9、007 D10 1KV PIV 1N4007 D9 1KV PIV 1N4007 D8 1N4007 D5 1KV PIV J12 J8 7 2 4 5 3 8 J2 5 3W 5% FLAME PROOF R5 D12 1N4007 1KV PIV D1 1N4007 1KV PIV D2 1N4007 1KV PIV NOTE: D, 3, 4, 6, 7, 10 , 11 ARE NOT USED AS INDICATED BY Do Not Place DNP. TRANSFORMER FIL1 30V FIL2 FIL2 FROM FILAMENT APPROX -45V R13 4

10、7.5K 1/2W 1% FIL2 R8 220 1/2W 5% FLAMEPROOF 1% 1/2W 47.5K R6 220 1/2W R7 5% FLAMEPROOF 5 3W 5% FLAME PROOF R11 FIL1 R2 220 1/2W 5% FLAMEPROOF FIL1 R16 47.5K 1/2W 1% 1KV PIV 1N4007 D11 5 3W 5% FLAME PROOF R18 372V J11 1KV PIV 1N4007 D7 R10 220 1/2W 5% FLAMEPROOF TO POWER AMP 1 2 3 4 5 6 7 J9 Value 7 2 4 5 3 8 J4 5 3W 5% FLAME PROOF R17 7 2 4 5 3 8 J1 7 2 4 5 3 8 J5 R1 47.5K 1/2W 1% 5 3W 5% FLAME PROOF R3 7 2 4 5 3 8 J6 7 2 4 5 3 8 J3 RadioFans.CN 收音机爱 好者资料库