QSC_XC-1_Schematic 电路图.pdf

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1、J2 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 C11 470-16 C10 470-16 .1-10% C8 .1-10% C9 U2:C TLO74 8 - 9 + 10 S1:8 138 U1:C TLO74 8 - 9 + 10 U2:D TLO74 14 - 13 + 12 S1:9 912 S1:7 714 S1:1 120 S1:2 192 S2:6 116 TLO74 U2:A 1 - 2 + 3 U4:D TLO74 14 - 13 + 12 TLO74 U2:B 7 - 6 + 5 TLO74 U1:A 1 - 2 + 3 TLO74 U

2、1:B 7 - 6 + 5 U1:D TLO74 14 - 13 + 12 TLO74 U4:B 7 - 6 + 5 TLO74 U4:A 1 - 2 + 3 10K RN1:2 43 10K RN1:3 65 S2:2 2 1 5 10K RN2:2 4 3 10K RN2:4 8 7 10K RN2:3 6 5 10K RN2:1 2 1 20K R55 W C C W C W VEE VCC Z2 1N4744A Z1 1N4744A AA .1-10% C6 .1-10% C5 TLO74 U1:E 4 1 1 A .1-10% C18 .1-10% C19 TLO74 U3:E 4

3、1 1 AA U4:E TLO74 1 1 4 C33 .1-10% C32 .1-10% A U2:E TLO74 1 1 4 R46 12.7K A R53 56.2K R54 2.74K A R52 5.62K A R7 100 C36 .022 C1 68pF-2% A C2 68pF-2% 17.4K R37 10.0K R22 10.0K R23 R34 17.4K14.7K R35 R31 1.21K A .022 C29 A 20.0K R30 .0022 C27 .001 C28 .022 C31 34.8K R36 R38 10.0K C34 .0022 C35 .0015

4、 R39 7.50K C26 .0015 R44 2.00K R43 1.21K AA R33 29.4K R29 20.0K A .022 C30 34.8K R32 A 3.48K R25 C16 .022 16.2K R24 .001 C17 A 1.33K R12 C14 .022 9.76K R11 .001 C15 A 3.48K R10 C12 .022 9.31K R9 .001 C13C21 .001 R16 5.90K .022 C20 R17 1.33K A R41 8.66K R42 13.0K A 20.0K R40 20.0K R27 20.0K R28 20.0K

5、 R15 A A 48.7K R5 C4 .22 12.1K R4 C3 .22 R6 24.3KR20 7.68K R47 12.7K R21 12.7K C23 .047 22.1K R48 + C25 .022 R18 7.68K R19 12.7K C22 .047 22.1K R45 C24 .022 A 7.5K R3 3.48K R1 A R2 100 A .22 C7 10K RN1:1 21 S2:1 116 S2:4 1 3 4 S2:5 5 1 2 S2:8 9 8 S1:3 318 S1:4 417 S1:5 1 6 5 S1:6 6 1 5 93.1K R14 TLO

6、74 U3:A 1 - 2 + 3 R8 56.2K TLO74 U3:B 7 - 6 + 5 R13 154K U3:C TLO74 8 - 9 + 10 R26 97.6K U3:D TLO74 14 - 13 + 12 J1 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 10K RN1:4 87 S2:3 143 S2:7 107 U4:C TLO74 8 - 9 + 10 17.4K R49 3.48K R50 18.7K R51 XC-1WP-000014-00 SH-000014-00 SCHEMATIC, XC-1 TO DISPLAY BOARD

7、 LOW FREQUENCY 30Hz HIGH PASS FILTER NONE1 OF 1 7/1/94ROBERT BECKER REF. DES. CAPACITOR IC REFERENCE DESIGNATION DESCRIPTION HIGHEST NO. USED HIGH FREQUENCY 500/800Hz HIGH PASS FILTER HIGH FREQUENCY LEVEL TO LOW FREQ DLY IN LOW FREQUENCY DELAY LOW FREQUENCY 500Hz/800Hz LOW PASS FILTER LOW FREQ DLY I

8、N CHAN 2 SPKR SIG CINEMA CROSSOVER UNLESS OTHERWISE SPECIFIEDNOTES: 1. ALL CAPACITORS IN uF, 50V. 2. ALL RESISTORS IN OHMS, 1/8 WATT, 1%. BOARD FROM INPUT ZENER DIODE RES NETWORK RESISTOR CONNECTOR SWITCH POTENTIOMETERVR1 C36 P2 R54 S2 RN2 Z2 U4 2 1 SH-000014-002 D C B A D C B A 87654321 87654321 QS

9、C AUDIO PRODUCTS. WITHOUT EXPRESS WRITTEN CONSENT FROM BE DISCLOSED, REPRODUCED OR USED OF QSC AUDIO PRODUCTS, THAT MAY NOT INFORMATION WHICH IS THE PROPERTY THIS DOCUMENT CONTAINS PROPRIETARY SIZEFSCM NO.DWG NO. SCALECAD FILE NO.SHEET REV D DWG NO.SHREV AUDIO PRODUCTS, INC. COSTA MESA, CALIFORNIA D

10、ATE CAD SEED FILE NO. ISSUED CHECKED CONTRACT NO. DRAWN APPROVALS MATERIAL FINISH UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. DIMENSIONS PER ANSI Y14.5-1982 TOLERANCES ARE: DECIMALS DEBURR EDGES .XXX R MAX .XX + - ANGLES O DECIMALS + - .XXX DO NOT SCALE DRAWING PARTS LIST NEXT ASSYUSED ON APPLICATION ITEM NO.QTYPART NO.DESCRIPTIONVENDOR DESCRIPTIONREVZONE DATEAPPROVED REVISIONS RadioFans.CN 收音机爱 好者资料库