Ampeg_SVT-VR_Power_Supply,_PI_(07S792)_Schematics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: Tue Mar 14, 2006 A 3/14/06 1 REM - - - INITIAL ISSUE C of Drawing Title: Drawing Number: NONE

4、 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 02/16/05 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F - 07S792 2 SCHEM- PWR AMP/SUPPLY Date 4 3 VDC VDC N/C POST GND VDC FIL2 FIL1 +380V FIL2 +300V -150V -150V +305V FIL2 DRIVE-B DRIVE-A PRE BAL PRE GND -15V +12V OUTPUT R71 10K

5、 1% 1/2W R55 1M 1/2W 1% 0.4V R59 1.0K 1% R65 511.0 1% R63 47.5 1/2W 1% R57 1% 221.0 1/8W R54 2.21K 1% 5.7V FIL1 C18 .1 400V CW 50K L P3 BALANCE C9 .1 250V FIL2 VDC OPTIONAL C16 1 VDC R42 1/2W 1% 475.0K 5.5V C6 .047 400V FIL1 C10 .047 400V CW 50K L P1 BIAS 1 1per R22 68.1K 1/2W CW 50K L P2 BIAS 2 +30

6、5V 30V 30VAPPROX -45V APPROX -45V FIL1 +480V R56 1.0K 1% R64 511.0 1% D24 1N3070 R50 475.0K 1/2W 1% 100 pF C15 1KV 2 1 J23 J7:B R46 825 1% 1/2W R44 68.1K 1/2W 1% J20 R20 1.82K 1% R27 1/2W 475.0K 1% FIL2 FIL1 R6 120K 150K R11 1% 1/2W R17 120K R13 68.1K 1/2W 1% 1/2W 1% 150K R28 7 6 J3:B J5:B PWR AMP I

7、N J10 TO PREAMP BD TO PREAMP BD 5.5V FIL1 2 1 J24 Value R70 221K 1/2W 1% CW BAL OUT LEVEL P4 2K A #8 #7 #9 #4 #2 4:1 N/C T1 4:1 J7:A 1/2W R51 221K 1% ASSY PART # 07-792-01 +300V 47K R21 5W 1% R43 47.5K 1/2W 1% 1.82K R38 1% R47 1M 1/2W OPTIONAL FIL2 R9 47K 1W R24 47K 1W 1 2 3 4 5 6 7 J6 Value PREAMP

8、OUT J13 SLAVE OUT J8 1N3070 D23 O C I O C I S1:B GND R5 150K 1% 1/2W J3:A J5:A C17 C14 .1 400VR25 150K 1/2W 1% 47K R39 5W TO SPKR OUT BD TO TC TI TO TC TI GND PRE/POST S1:A 1 3 2 J17 BALANCED OUT RadioFans.CN 收音机爱 好者资料库 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAU

9、TION: 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) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICRO

10、FARADS, 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 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS D

11、RAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Tue Mar 14, 2006 A 3/14/06 2 REM - - - INITIAL ISSUE C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 02/16/05 11880 Borman

12、 Drive, St. Louis, MO 63146 Chgd By Appvd by F - 07S792 2 SCHEM- PWR AMP/SUPPLY Date 4 3 4 11 11 4 8 4 4 8 FIL1 48 +15V +15V IC6 IC5 IC3 IC2 TO PWR XFMR TO TUBE BD TO PWR XFMR TO OUTPUT XFMR VDC -15V D-GND D-GND ICL1 20 A R52 220 1W D-GND R48 1 2W D-GND R26 1K 1/2W 1% D-GND R30 1K 1/2W 1% R23 2.2K R

13、19 100 2 3 1 IC3:A TLO-74 D15 1N914 110K R29 R32 22K R37 22K D1 GRN +15V D-GND +15V D-GND 2N5210 Q3 R2 2.2K 1/2W +15V Q2 MPS-A13 +15V D-GND R45 68.1K 1% 1/2W 1 2 3 4 J4 IC4 RefDes TO PWR XFMR TO PWR XFMR TO PWR XFMR 475.0K 1/2W 1% R61 475.0K 1/2W 1% R58 +15V D6 1N4007 D-GND D25 1N4007 D36 1N4007 D32

14、 1N4007 D-GND 100 C29 450V R69 150K 2W 100 C23 450V VDC R68 150K 2W 470 35V C12 +12V +305V C24 450V 100 C25 47 450V C22 47 450V R62 6.8K 10W D3 1N4744 -150V R31 1K 1/2W 1% R67 220K 1W 220K R66 1W C1 100V .047 C27 47 450V C28 47 450V 100V C13 .047 +15V D-GND R49 1 2W 6.3VAC BETWEEN LINES R35 2.2K 13

15、12 14 IC3:D TLO-74 6 5 7 IC3:B TLO-74 9 10 8 IC3:C TLO-74 D-GND 6 5 7 IC4:B TLO-72 D-GND 47K R8 D-GND C19 220 16V D11 1N4007 D18 1N4007 D14 1N4007 C5 1500 35V D31 1N4007 C4 1500 35V C2 220 16V D-GND D-GND DRIVE-B DRIVE-A TO AC TERM BD RELAY CONTROL +15V Power Table +300V +380V D-GND R12 475 1/2W 1%

16、100V PIV 1N5401 D21 R18 475 1/2W 1% C8 2.2 50V R34 470K FIL2 C11 2.2 50V R41 470K R53 220 1W D9 1N914 R1 2.2K 1/2W R10 110K R15 100 1/2W 1% D4 1N914 R3 2.2K 1/2W R4 2.2K 1/2W D5 GRN 2N5210 Q1 D16 1N914 R16 1M R14 100K R40 22K 2.2K R33 TO TUBE BD 0 VDC TURN- ON 9 VDC AFTER 20 SEC. D20 1N914 -15V D17

17、1N4007 D13 1N4007 .1 C7 100V D8 1N4007 J14 D34 1N4007 J16 J19 J21D35 1N4007 1KV PIV .1 C21 275V UL D30 1N4007 J12 D29 1N4007 .1 C20 275V UL D26 1N4007 D28 1N4007 J11 1 IN 3 +12V_OUT 2 GND 7812 D-GND D-GND D-GND 10 35V C3 C26 100 250V R60 47K 5W D-GND 100V PIV 1N5401 D22 2 3 1 IC4:A TLO-72 D10 1N914 D-GND D12 1N914 J9 1 2 3 4 5 6 7 J2 D19 YEL D7 1N4007 D33 1N4007 J15 J22 J18 1N4007 D27 R36 100 1/2W 1% D2 1N4744 1 IN 3 +5_OUT 2 GND 7805 2 1 J1 R7 100 1/2W 1% D-GND D-GND +480V FILAMENT XFMR TO PWR XFMR TO PWR XFMR RadioFans.CN 收音机爱 好者资料库