Crate_CA120DG_Power_Amp_(07S473)_Schematics电路图.pdf

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1、2008 LOUD Technologies Inc. All rights re served Bass Amplifi er PCB SchematicsPAGE 1 CA120DG 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

2、 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 OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. D

3、O 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 Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time:

4、 Tue Feb 24, 2004 A 1/20/04 1 - DJR CONTROL ISSUE - - 0 - 2/24/04 INITIAL ISSUE - - - - C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 5/28/03 - - 1901 Congressional Drive, St. Louis, MO 63146 Chgd ByAppvd by - F - 07S473 2 SCHEMATIC -BASS AMP Date

5、 4 3 PWR_IN CW +35V PWR_IN 22 C23 1N914 D6 G S D Q10 J176 R17 1K +16V CCW CW 500 AP1 R23 330 10 C6 35V 50V C16 1 +35V R3 3.3 1W 5per -35V R27 .33 10W 5 R16 .33 10W 5 R20 .33 10W 5 TP4 26.3V C4 1 50V 1 2 3 4 5 6 7 8 J22 Value C8 10 35V R2 680 R4 3.3K 1/2W +10V 33 pF C3 200V D3 1N914 C5 1 50V 1N914 D5

6、 TP2 800mV +10VD 330 pF C15 100V 220 R26 270 R25 270 R10 D7 1N914 D1 1N4740ARL C1 .1 100V 47 R6 R1 330 10W 5per R12 .33 10W 5 10 5per R37 2W 1 2 3 4 J14 JWOPT1 SEE NOTE. -16V +10VD R15 33K 500 mVrms TP1 D4 1N914 R28 47 1N914 D13 R11 47K R35 1K 1N914 D12 G S D Q7 J176R14 1M -35V -16V D8 1N4740ARL MPS

7、-A06 Q5 TP3 2.2V 220 R22 Q6 MJE-340 +16V D2 1N914 IRFP-140R Q1 JWOPT2 R9 47 W1 18 G BLK W2 18 G WHT J11 R5 1 1W 5 L1 .5 uH J10 2 1 J15 Q3 47 R7 +16V R36 1M C24 1 50V 33 pF C9 200V 2 3 1 NE5532 U1:A 33K R18 680 R21 3.3K 1/2W R13 1K R29 4.7K R24 Q8 MJE-350 1K R19 R8 47 Q2 IRFP-140R Q4 RING_SW TIP_SW S

8、LEEVE TIP RING J23 SPEAKER 6 5 7 U1:B NE5532 VTL-5C7 RadioFans.CN 收音机爱 好者资料库 2008 LOUD Technologies Inc. All rights re served Bass Amplifi er PCB SchematicsPAGE 2 CA120DG DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERV

9、ICING 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 MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WIT

10、H 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 DRAWING IS PROPRIETARY TO Drawing Size: Drawing Ty

11、pe: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Tue Feb 24, 2004 A 1/20/04 2 - DJR CONTROL ISSUE - - 0 - 2/24/04 INITIAL ISSUE - - - - C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 5/28/03 - - 1901 Congressioal Drive,

12、 St. Louis, MO 63146 Chgd ByAppvd by - F - 07S473 2 SCHEMATIC -BASS AMP Date 4 3 23-926-02 FC1 23-926-02 FC2 J8 Value J16 Value .0033 C14 C13 .0033 -35V 100V C7 .1 4700 50V C2 -35V D10 16V 1N5353B D15 1N914 75V PIV 100V C11 .047 Q9 TIP-120 .001 C19 100V 100 35V C20 +10V J1 Value 100V C10 .1 4700 50V

13、 C12 +35V D11 16V 1N5353B 4.7K 1/2W 5per R34 D14 1N914 75V PIV J9 Value J3 Value NET00027 J6 Value J4 Value J20 Value J2 Value J5 Value +16V 1000 16V C18 D9 10V 1N4740ARL .001 C22 100V R33 120 10W 5per R31 1 J7 Value J12 Value J18 Value J13 Value J17 Value J21 Value -16V 35V 100 C21 R30 120 10W 5per R32 180 10W 10per 35V 100 C17 +10VD BR1 8A 400V J19 Value F1 RadioFans.CN 收音机爱 好者资料库