Ampeg_PF350_Preamp_Schematic电路图.pdf

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1、1 SCHEMATIC PCB ASSY PREAMP PF350 TECHNOLOGIES INC. WOODINVILLE WA. USA 2 D C B A REV. OF 1 1 SHEET DWG. NO. SCALE: NONE 2 DWG FILE: SIZE D ISSUED: MFG ENG: MFG: MATERIAL: NP ENG: CHECKED: DRAWN: DATEAPPROVALS 3 PROPERTY OF LOUD TECHNOLOGIES INC. IS PROPRIETARY AND CONFIDENTIAL THE INFORMATION CONTA

2、INED HEREIN ALL RIGHTS RESERVED C 45 678 A B C D 876 543 1 2010 LOUD TECHNOLOGIES INC. March.19.2010John B00 2035216-XX Preamp LINE OUT+ Preamp LINE OUT- SEND RETURN GND GND PREAMP SIGNAL OUT LIMITER LIMIT_LED GND GND +15V -15V AMP SIGNAL RETURN GND DATEREV. BY:DESCRIPTIONREV:ECO/DSR 100RELEASE TO P

3、ROTOTYPEJohnMarch.19.2010 ECOCHN0846 A00RELEASE TO PilotJohnJune 23,2010 Gain BASS Midrange Treble Volume Audio in Phone Input PAD -15dB Limit Limit Peak ECOCHN0884 Fault ECOWD12942B00Change led 3RJ6/30/2010 PCB1 PCB FAB FR4 DOUBLE 1 OZ 1.6mm Preamp board PF350 2035215-01 + - 2 3 1 U1-A ICTL074CNDIP

4、14 + - 6 5 7 U1-B ICTL074CNDIP14 + - 9 10 8 U1-C ICTL074CNDIP14 + - 13 12 14 U1-D ICTL074CNDIP14 R9 10K R10 10K R11 10K R12 10K R18 10K R23 22K R24 150K R26 10K R27 10K 6 5 7 U3-B NE5532P 2 3 1 U3-A NE5532P 8 4 U3-C NE5532P R4 47K R33 47K R38 10K R39 10K R40 100K R41 100K R42 1K R43 1K 6 5 7 U4-B NE

5、5532P 2 3 1 U4-A NE5532P 8 4 U4-C NE5532P R48 10K R49 10K Q2 2N5551 R54 10K R55 1.5K J5-1 J5-2 J5-3 J5-4 J5-5 J5-6 J5-7 J5-8 C25 22UF 50V C26 22UF 50V C23 10UF C24 10UF C27 10UF C28 10UF R1 1M D3 IN4148 D1 IN4148 D2 IN4148 D4 IN4148 D5 IN4148 D6 IN4148 D7 IN4148 D8 IN4148 R2 68K R36 4.7K R3 4.7K R6

6、4.7K R37 15K C29 220PF C1 4700PF C3 0.22UF C4 0.022UF C30 0.022UF C2 4700PF C5 0.01UF C8 0.022UF C31 0.22UF C6 0.1UF C7 0.1UF C9 0.1UF C10 0.22UF C12 0.22UF C20 100PF C21 10UF 25V C22 10UF 25V C14 100PF C15 100PF C16 470PF C17 470PF C18 100PF 1 2 3 J4 1 2 3 J1 8 4 U5-C TL072CN C19 10UF C32 10UF 1 2

7、3 U5-A TL072CN 7 6 5 U5-B TL072CN 1 2 3 S1-A 4 5 6 S1-B 1 2 3 S2-A 4 5 6 S2-B C33 10UF C34 10UF R5 2M R57 100 R56 100 R8 33K R13 4.7K R16 1K R19 1K R14 7.5K R25 33K R46 22K R47 68K R50 220 R51 220 R30 4.7K R45 4.7K R17 33K R44 100K C13 100PF C35 0.22UF R58 22K R28 100 Q3 2N5551 Q1 2N5551 D9 IN4148 D

8、10 IN4148 D11 IN4148 D12 IN4148 R31 47K R21 6.8K D13 IN4148 R32 470K R7 A50K R20 A50K R22 A50K R29 A50K R15 B50K 12 LED2 YELLOW 12 LED1 RED R59 4.7K R53 10K 1 2 3 4 5 6 J2 J6-1 J6-2 J6-3 J6-4 J6-5 J6-6 J6-7 Q4 2N5551 1 PA1 J5-9 R52 4.7K Q5 2N5551 R63 22K R34 10K R35 10K R60 100K SCH1 SCHEMATIC PCB ASSY PREAMP PF350 2035216-XX R61 100K 1 PA2 12 LED3 YELLOW +15V -15V +15V -15V +15V -15V +15V -15V MUTE MUTE RadioFans.CN 收音机爱 好者资料库