Crate_VTX-212_Preamp_(07S384)_Schematics电路图.pdf

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1、2-8-06 03/22/06 C WFB A B 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E R01871 F 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet1of NONE 2 Date: 1-9-06 Appvd by 3 1 ABCDEF 2 Wed Mar 22, 2006 Drawing Title: 1901 Congressional, St. Louis, MO 63146 ST. LOUIS MUSIC, INC 3 Signatures: Drawing N

2、umber: 07S384 GUITAR AMP First Used On: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Ecr(s)/Ecn(s)Chgd ByDate 1) CAUTION: SHOCK HAZARD! Drawing Type: Schematic Drawing Size: INITIAL ISSUE C32, 39 NOT USED TOUCHING INTERNAL PARTS. Class Code: RLB DESCRIPTION 3) VOLTAGES ARE MEASURED WI

3、TH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. AND 10 MEGOHM DIGITA

4、L VOLTMETER. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. F I CV3 CV3 -16V1 +16V1 -16V +16V -16V1 CV2 CV1 .22 C29 50V R41 1.5K R37 47K 2 .047 C47 100V C49 470 35V +16V1 1M R45

5、.015 50V C30 R42 680 10K R55 .0033 C26 R21 220 C3 .0068 R69 47 CV3 R122 1.5K C24 10 C9 .47 D1 1N914 D12 1N746 3.3V 2.2K R33 C4 .22 50V R131 4.7K 4.7K R34 CV1 C75 2.2 C14 22 16V D5 1N754ARL 6.8V 2 3 1 IC1:A TLO-72 10K R125 1N914 D48 R126 47K 1N914 D10 10K R36 2N5210 Q3 C2 1 R3 10K 50V C80 .022 C81 22

6、0 pF 22 C12 16V R16 10K D3 1N754ARL 6.8V 6 5 7 IC1:B TLO-72 R56 2.2K R50 22K C22 .047 100V R24 22K .047 100V C7 C13 .01 C1 220 pF 100V R7 100K R1 4.7K R136 1.5K .015 C33 C17 .22 50V CW P3 250KA LOW R8 10K R138 4.7K .22 50V C35 6 5 7 IC6:B TLO-72 C23 .047 100V R32 4.7K 2 3 1 IC5:A TLO-72 C8 100 pF R1

7、4 3.3K 6 5 7 IC5:B TLO-72 CV3 C36 2.2 C70 2.2 50V R23 1.5K .015 50V C19 C71 2.2 50V R13 4.7K 22K R44 C25 1 R25 47K R53 15K 1 2 3 IC8:A TLO-72 C32 NOT USED .047 C20 100V G S D Q8 J175 R22 1.5K 1 2 3 J2 TO TUNER C46 470 35V R40 22K D R68 47 G S D J175 Q9 C38 1 680K R12 R17 6.8K R121 100K G S D Q6J175

8、R124 4.7K G S D J175 Q1 C21 2.2 R127 10K R19 10K R27 47K 6 5 7 IC7:B TLO-72 2 3 1 IC4:A TLO-72 R132 22K 100V C77 .047 R119 100K R133 10K CW P5 10K A MID R29 22K R6 22K G S D J175 Q5 R20 10K CHASSIS GND CV2 .047 C48 100V .1 50V C31 2 3 1 IC3:A TLO-72 C10 .047 100V R4 15K R128 47K C76 1 D13 1N746 3.3V

9、 2N5210 Q10 R129 22K R140 2.2K CW P11 10K L GAIN R31 10K R35 47K CW P9 GAIN 10K L CHANNEL 2 D4 1N746ARL 3.3V D8 1N914 75V PIV .022 C6 50V R11 22K CW P2 100K RA HIGH 6 5 7 IC3:B TLO-72 R5 33K D47 1N914 R139 4.7K R130 47K 2 3 1 IC6:A TLO-72 R137 4.7K .01 C34 CW LOW P13 250KA R46 10K D11 1N914 Q4 2N521

10、0 R38 2.2K CW MID 10K A P10 1N914 D9 C18 .022 50V CW P6 250KL HIGH R15 10K D2 1N746ARL 3.3V .022 50V C11 1.5K R10 R2 270K C27 56 pF R43 47K 6 5 7 IC8:B TLO-72 R54 7.5K CW P4 10K A LEVEL R39 22K +16V1 1N914 D6 1 2 3 4 RC1 FLAT CABLE C15 100 35V TIP SLVE_SW TIP_SW SLEEVE J1 INPUT C28 1 R26 22K CHANNEL

11、 3 C37 10 1N914 D46 2 3 1 IC7:A TLO-72 G S D Q11 J175 R18 10K 1.5K R9 CW 50K L P1 GAIN R28 47K R30 1M C79 .047 100V C82 .0056 CW P8 250KA LOW CW P15 250KL HIGH CW P14 10K L MID 1N914 D7 75V PIV C5 .1 50V C16 220 pF 100V G S D Q7 J175 CW P7 10K A LEVEL CW 10K A P12 LEVEL C39 NOT USED G S D J175 Q2 Q1

12、2 2N5210 CHANNEL 1 RadioFans.CN 收音机爱 好者资料库 2-8-06 03/22/06 C WFB A B 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E R01871 F 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet2of NONE 2 Date: 1-9-06 Appvd by 3 1 ABCDEF 2 Wed Mar 22, 2006 Drawing Title: 1901 Congressional, St. Louis, MO 63146 S

13、T. LOUIS MUSIC, INC 3 Signatures: Drawing Number: 07S384 GUITAR AMP First Used On: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Ecr(s)/Ecn(s)Chgd ByDate 1) CAUTION: SHOCK HAZARD! Drawing Type: Schematic Drawing Size: INITIAL ISSUE C32, 39 NOT USED TOUCHING INTERNAL PARTS. Class Code:

14、RLB DESCRIPTION 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. AND 10 MEGOHM DIGITAL VOLTMETER. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.