Electro-Harmonix-Poly-Chorus-Schematic电路图.pdf

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1、1234 A B C D 4321 D C B A Title NumberRevisionSize A Date:2-Dec-2002 Sheet of File:C:EHXSchematicsSchematics.ddbDrawn By: R43 18K R42 20K R47 3.9K R45 27K R48 2.2M R49 100K R51 13K LAST PART & I.D. RANK USED EC7000 NEW SENSOR CORPORATION N.Y.C , NEW YORK , U.S.A. J1 IN PUT POLYCHORUS 11 L. DANG C1 3

2、3n R55 1.5M R63 C43 Q2 D7 U11(IC11) R57 62K C38 68P 5% P3 50K R50 1.8K J4 S3 REFERENCE DRAWING DATED12/12/97 R46 10 + C41 470/35V R44 30K R52 1.1K AINDICATED ON BOARD JUMPERS P4 LED2 C P1 10K P2 500K 3 2 4 1 11 AU7 LM324 5 6 4 7 11 BU7 LM324 10 4 8 11 9 CU7 LM324 C354.7/25V 12 4 14 11 13 DU7 LM324 S

3、2 + C36 2.2 10% WIDTH SWEEP FILTER ON S2-A MODE +C37 0.47 10% R53 75K R54 6.8K 2 3 8 6 5 7 4 1 U8 LM311N D2 1N4001 Q2 2N5087 R59 10K R58 24K TRIM8 25K R56 1.2M 1 2 3 4 5 6 7 89 1012111314 U10 CD4013BE D7 1N4148 A A A R1 2.2M R2 390K 2 8 1 4 3 AU1 TL072 R5680K C3 27P R6100K R830K R920KR10 10K C5 15n

4、6 5 8 7 4 BU1 TL072 + C6 4.7 +C4 1 +C7 1 +C10 1 10% 1234567 9 10111213161415 8 U2 NE570 R12 47K R13 47K + C27 2.2 + C9 2.2 + C8 4.7 + C13 22 C11 200P 3 8 1 4 2 AU3 TL072 R111KR14 18K R15 18K R16 100K C12 39n 5% C15 1.2n 5% C14 5n 5% C16 0.22 C17 0.22 TRIM1 100K TRIM3 200K TRIM5 10K TRIM4 100K TRIM2

5、10K TRIM6 50K R17 8.2K R19 8.2K R18 100K R20 200K R22 62K S2-B MODE +15V +15V +15V +15V +15V +15V R23 2.2M R24 2.2M R21 2.2M C +7.5V +7.5V +7.5V 6 58 7 4 BU3 TL072 R25 180K R26 220K R27 360 C21 100P 5% C20 330P 5% + C23 1 + C24 2.2 C22 68n 5% + C26 1 10% C25 200P R2812K R29 9.1K R30 510 R62 150/0.5W

6、 R31 510 R7 100K C280.22 TRIM75K P4 50K C33 3.3n + C29 1 R38 100K R39 100K C43 10P 3 7 6 4 2 U6 5534 R34 100K R35 10K C32 0.22 +C31 1 R36 10K FEEDBACK DIRECT (4B) TO FOOT SWITCH S3-B FOOT SWITCH S3-A R3210K R3310K + C30 2.2 FROM INPUT J1 DIRECT J2 MAIN OUTPUT J3 STEREO OUTPUT D4 1N4003 D5 1N4003 D3

7、1N4003 D6 1N4747A 20V1W R61 3.9K LED2 12 3U11 78L15AC + C42 4.7 +C2 10 R4 15K R3 15K R60 10 R40 10K R63 12K R41 820 + C39 22 C40 0.1 + C34 1 Q1 2N5088 LED1 B B +15V +15V +15V +15V AC1 AC2 A B D1 1N4001 TRIM8 OPTIONAL TRANSFORMER MIX BIAS BIAS GAIN BAL. BAL. GAIN FILTER MATRIX FLANGE CHORUS/VIBRATO D

8、OUBLE TRACK/ECHO/REVERB 4 3 2 1 CLOCK FREQ. (1B) (3B) +15V TUNE/DELAY SWEEP RATE (1B) (POSITION AS SHOWN ) 10% R37 2.2M 3 7 6 4 2 U9 741 D E MODE SWITCH DESCRIPTIONS TO OVER LOAD DRIVER OVER LOAD C19 10n C18 10n f1 f1 f1 f2 f2 f2 A JAPAN U.S.A JAPAN U.S.A 12-02-02 1 23 4 6 578 N N 1 2 U4 MN3008 1234

9、 657 8 N N 1 2 U5 MN3009 J4 24VDC 100mA ADAPTOR TP#1 SWEEP FILTEROFF WIDTHFULL CCW RATE TUNE/DELAY FULL CCW FULL CW MODEFILTER MATRIX (400mVp-p 400Hz) ADJUST TRIM8 FOR 100uSTP#1(U10-1) MASTER CLOCK ADJUSTMENT TP#2 TP#3 TP#4 TP#5 New Sensor Corp. 32-33 47th Ave Long Island City, NY 11101 Copyright 1998 RadioFans.CN 收音机爱 好者资料库