Crate_BFX-15a_(07S261)_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 Tolerance: Released: REVDateDESCRIPTION E A 11-30-99 1 RLB CONTROL ISSUE 0 2-28-00 INITIAL ISSUE C of Drawing Title: Drawing Number: NONE 1 Ecr(s)/Ecn(s) Fir

4、st Used On: ST. LOUIS MUSIC, INC Date: 8-12-99 11880 Borman Drive, St. Louis, MO 63146 Chgd ByAppvd by F BFX15a 07S261-XX 2 PWA, GUITAR AMP 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 QUALIFIED THI

5、S 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 OSCILLOSCOP

6、E 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 Toleranc

7、e: Released: REVDateDESCRIPTION E A 11-30-99 1 RLB CONTROL ISSUE 0 2-28-00 INITIAL ISSUE C of Drawing Title: Drawing Number: NONE 1 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 8-12-99 11880 Borman Drive, St. Louis, MO 63146 Chgd ByAppvd by F BFX15a 07S261-XX 2 PWA, GUITAR AMP Date 4 3 22

8、00 25V C9 10 35V C12C6 0.22 100V R6 1K 1/4W 5% R8 470 1/4W 5% -VS -V D5 100V 1N4002 D6 100V 1N4002 D7 RED C4 100V 220 pF 50V 2.2 uF C3 1 2 3 J2 156-3V D4 100V 1N4002 D3 1N4002 100V R1 22K R2 220K 1/4W 5% 56 pF 200V C1 R3 47K C2 100V .047 uF +V -V D1 1N914 75V 1N914 75V D2 TIP TIP_SW SLVE_SW SLEEVE T

9、/S J1 INPUT 2 3 1 TLO-74 U1:A 35V 10 C7 50V 1 uF C10 R5 1K R9 1K R15 10K R10 15K C13 50V 0.033 R13 1.8K NET00026 CW LOW 50K L P2 CW LOW MID 50K L P3 9 10 8 TLO-74 U1:C C16 200V 56 pF 25V 2200 C8 100V .22 uF C5 10 35V C11 C17 0.047 100V R14 1/4W 2.2K 5% R7 470 1/4W 5% R4 1K 1/4W 47K R12 5% C14 100V 0

10、.0047 C15 100V 0.001 5% 1/4W R11 27K +V +VS CW P1 LEVEL 10K L CW HIGH MID 50K L P4 CW HIGH 50K L P5 6 5 7 TLO-74 U1:B R19 330 1/4W 5% NET00071 D9 75V 1N914 D8 75V 1N914 C18 200V 100 pF C19 50V .1 uF D-GND R17 470K 1/4W 5% 1 2 3 4 5 6 7 8 FLAT CABLE J3 +VS CW 50K L P6 2.2 uF C24 50V R26 1M R23 47K C2

11、0 100V 0.01 G SD Q1 J175 C21 200V 100 PF NET00048 D12 1N914 75V VTL-5C7 OC1 5% 1/2W R20 560 R24 330 1/4W 5% 10 35V C22 NET00035 D10 1N914 75V D11 1N914 75V C23 50V .1 uF R25 1K R27 47K R18 330K 1/4W 5% R21 220K R22 10K 1/4W 5% R16 220K 1/4W 5% 13 12 14 TLO-74 U1:D .22 uF 100V C25 2 1 J6 P156-2V 1 R30 470 R31 R29 22K NET00024 NET00050 NET00051 +VS -VS D13 100V 1N4002 D14 100V 1N4002 TIP TIP_SW SLVE_SW SLEEVE T/S J4 2 1 4 TDA 2030 U2 SLVE_SW SLEEVE TIP_SW RING RING_SW TIP TRS J5 R32 47 R28 680 +V +VS -VS RadioFans.CN 收音机爱 好者资料库