Crate_ca15_acoustic_amp电路图.pdf

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1、2007 LOUD Technologies Inc. All rights re served PWA Acoustic Amplifi er PCB SchematicsPAGE 1 CA15 05/03/05 C WFB 0 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: EF 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet1of NONE 1 Date: 8/21/03 Appvd by 3 1 ABCDEF 2 Tue May 03, 2005 Drawing Title: 1

2、901 Congressional, St. Louis, MO 63146 ST. LOUIS MUSIC, INC 3 Signatures: Drawing Number: 07S193 PWA - 15W ACOUSTIC 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: CONTROL ISSUE TO

3、UCHING INTERNAL PARTS. Class Code: REM 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 T

4、O 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. U3 U1 4 11 8 4 U235 +13VDC +13VDC +13VDC

5、 Power Table R51 100K +13VDC R34 4.7K R52 100K R2 47K R39 47K R35 470 1/4W 200V C13 100 pF R4 2.2K R3 47K 200V C4 100 pF R37 1K CW P1 50K A LEVEL 1 2 3 J2 Value 100V PIV D6 1N4002TR 100V PIV D4 1N4002TR 200V C17 56 pF -15VDC C6 .22 100V .22 C5 100V R46 4.7K -13VDC R8 100 1/4W 47 35V C12 R7 100 1/4W

6、47 35V C11 150K R12 R10 82K R13 2.2K REVERB PAN -15VDC 2.2 C18 R50 1K DS G Q1 J175 .033 C23 10 35V C22 R27 2.2K R53 47K RefDes R29 22K 2.2 C24 50V +13VDC -15VDC +15VDC 100V PIV D14 1N4002TR R45 10 +15VDC R32 47 TO SPEAKER TIP SLVE_SW TIP_SW SLEEVE INPUT T/S J3 TIP SLVE_SW TIP_SW SLEEVE INPUT T/S J1

7、R38 47K R1 4.7K R36 2.2K 6 5 7 TLO-74 R33 470 1/4W 35V35V 10 C26 CW P3 50K A LEVEL R5 1K 35V35V 10 C7 2.2 C10 100V PIV D5 1N4002TR 100V PIV D3 1N4002TR R11 10K +15VDC R25 47K 200V C15 470 pF 100V C14 100V .01 R21 2.2K 13 12 14 TLO-74 200V C16 200V 15 pF CHASSIS MOUNTED R19 330 R22 15K VTL-5C7 OC1 D1

8、0 1N914 R48 3.3K .22 C19 .22 C29 R41 2.2K .6Vrms R17 22K CW REVERB 10K L P6 R28 680 2 1 4 TDA 2030 1 R30 R42 10 100V PIV D13 1N4002TR 470 R31 -13VDC R40 10K 100V C27 100V .047 D16 1N914 15mVrms 50V 2.2 C3 -13VDC 1N914 D2 D1 1N914.3Vrms 15mVrms 2200 25V C9 25V 2200 C8 R15 2.2K R14 47K CW 50K L P2 LOW

9、 10 R23 20Vp-p 2 1 J8 +15VDC 1/2W R20 560 R26 1M D12 1N914 1.35Vrms R16 4.7K R47 4.7K .033 C21 R49 4.7K 2 1 J7 .25Vrms -13VDC-15VDC .22 100V C25 6Vrms R44 10 2 3 1 TLO-74 1N914 D15 50V 2.2 C28 R9 10K 100V C2 100V .047 CW 50K L P5 HIGH CW 50K L P4 MID 9 10 8 TLO-74 6 5 7 NE5532 100V C20 100V .01 1.35

10、Vrms R24 330 D9 1N914 D8 1N914 D11 1N914 2 3 1 NE5532 R18 100 SLVE_SW SLEEVE TIP_SW RING RING_SW TIP HEADPHONES TRS J5 1 2 3 4 J6 TIP SLVE_SW TIP_SW SLEEVE T/S EXTERNAL SPEAKER J4 R43 10 J9 CD INPUT ASSY P/N 07-193-01 CHANNEL 2 CHANNEL 1 TEST CONDITIONS: IKHZ SINE WAVE, CH1 AND CH2 LEVEL 10. LOW, MID, HIGH 5, REVERB LEVEL 0 EXCEPT WHEN TESTING REVERB RETURN, REVERB LEVEL 10. NOTE: LOAD J8 WITH 150 OHM LOAD AND DISCONNECT REVERB PAN. LOAD J6 WITH 4 OHM LOAD ACROSS PINS 1& 2. RadioFans.CN 收音机爱 好者资料库