QSC_UF-2_Schematic 电路图.pdf

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1、MC34184P U202:B 7 - 6 + 5 U202:D MC34184P 14 - 13 + 12 MC34184P U202:A 1 - 2 + 3 RN203:3 10K 56 68PF C202 RN203:2 10K 3 4 C201 68PF AA RN203:1 10K 12 U201:C TL074 + 10 - 9 8 10K RN203:4 87 RN205:3 10K 65 S202:2S202:3S202:1S202:4 S201:2S201:1S201:3S201:4 1N4744A Z2 1N4744A Z1 P1:1 ANALOG GND 3 SP-A 2

2、 +IN A 4 +OUT A 5 -IN A 6 -OUT A 7 CLIP A 9 V+A 1 V-A 10 ZENER GND1 8 P1:2 CLIP B 12 -OUT B 14 -IN B 15 +OUT B 16 +IN B 17 ANALOG GND 18 SP-B 19 V+B 20 SPARE 21 SPARE 22 V-B 11 ZENER GND2 13 C1 330-25v .1-50V C6 C5 .1-50V C3 .1-50V C4 .1-50V VEE A VCC 330-25v C2 .0068 C221 .0068 C217 .068 C220 .068

3、C216 A R210 68.1 J202 2 3 1 RN204:4 XXXK 7 8 5.9K R208 A RN204:3 XXXK 5 6 A C219 .0068 C218 .068 XXXK RN204:2 4 3 A R209 5.9K XXXK RN204:1 2 1 .0068 C215 .068 C214 AA RN202:2 XXXK 34 RN202:1 XXXK 12 RN201:1 10K 21 RN201:3 10K 65 RN201:2 10K 4 3 U201:B TL074 7 - 6 + 5 U201:A TL074 1 - 2 + 3 U201:D TL

4、074 14 - 13 + 12 .001 C211 .0033 C213 .0015 C212 J201 2 3 1 R202 14.7K R203 5.9K5.9K R201 R207 14.7K R204 12.1K J203 1 3 2 R206 1.82K R205 3.65K XXXK RN202:3 65 XXXK RN202:4 87 AA A AA A C203 .018 C205 .018 C207 .018 C209 .018 C204 .0018 C206 .0018 C208 .0018 C210 .0018 RN205:1 10K 2 1 RN205:2 10K 4

5、3 S102:2 S102:1 S101:2S101:1 A .018 C105 .018 C103 .018 C109 .018 C107 .0018 C110 .0018 C108 A .0018 C106 .0018 C104 RN102:1 XXXK 12 RN102:2 XXXK 34 RN102:3 XXXK 56 RN102:4 XXXK 78 .001 C111 .0033 C113 .0015 C112 J101 2 3 1 R102 14.7K R103 5.9K5.9K R101 R104 12.1K J103 1 3 2 1.82K R106 3.65K R105 AA

6、 A AA A U101:C TL074 + 10 - 9 8 U101:B TL074 + 5 - 6 7 U101:A TL074 + 3 - 2 1 10K RN101:3 56 10K RN101:1 12 14.7K R107 C114 .068 C115 .0068 A XXXK RN104:3 6 5 A RN105:1 10K 21 5.9K R109 .0068 C119 .068 C118 .0068 C121 .068 C120 RN104:2 XXXK 3 4 .0068 C117 .068 C116 RN105:2 10K 43 5.9K R108 A RN104:1

7、 XXXK 1 2 A R110 68.1 J102 2 3 1 10K RN101:2 3 4 S101:4S101:3 XXXK RN104:4 8 7 S102:3 S102:4 10K RN105:3 5 6 10K RN103:1 21 10K RN103:4 87 U101:D TL074 + 12 - 13 14 10K RN103:3 6 5 AA C101 68PF RN103:2 10K 34 68PF C102 MC34184P U102:D + 1212 - 13 14 U102:B MC34184P + 5 - 6 7 MC34184P U102:C + 10 - 9

8、 8 U102:A MC34184P + 3 - 2 1 MC34184P U202:C + 1010 - 9 8 RN104:120K (20Hz),RN202:4.7K (20KHz) AND RN204:20K(1.2KHz). UNUSED SECTIONS VDC -15V 11414 PIN DIP U201, U202 U101, U102 VDC +15 PACKAGE PART/ REF DES POWER PIN IDENTIFICATION P1-17 P1-15 P1-8 P1-13 P1-10,-11 P1-3,-18 P1-1,-20 PIN NAMESNET NA

9、MES 15V 15V IC POWER SUPPLY BYPASS CAPS P1-16 -PIN (1) CD HORN +6dB BOOST -PIN (3) CD HORN +10dB BOOST BOOST AT 20KHZ *R REPRESENTS VALUES FOR * DUPLICATE RESISTOR VALUES FOR HIGH AND LOW RANGES RN102 AND RN202 SIP PACKAGES 11221221 12211212 LOW-PASS FILTER CORNER FREQUENCIES SWITCHES IN POSITION 1

10、80 100 120 150 200 250 500 FREQ. 120K 82K 68K 56K 47K 33K 18K *R 800 1K 1.2K 1.6K 2K 5K 8K 16K 20K FREQ.*R 120K 82K 68K 56K 47K 18K 12K 5.6K 4.7K * * * * * * HIGH-PASS FILTER CORNER FREQUENCIES RN104 AND RN204 SIP PACKAGES *R REPRESENTS VALUES FOR * DUPLICATE RESISTOR VALUES FOR HIGH AND LOW RANGES

11、4.7K 10K 12K 15K 20K 22K 27K 47K 56K 50 40 30 20 500 250 200 150 120 100 80 FREQ. 120K 82K *R 2.7K 4.7K 12K 15K 20K 22K 27K800 1K 1.2K 1.6K 2K 5K 8K FREQ.*R * * * * * * SWITCHES IN POSITION 2 LOW RANGEHIGH RANGELOW RANGE SWITCHES IN POSITION 2SWITCHES IN POSITION 1 HIGH RANGE C = 0.018 UFC = 0.0018

12、UFC = 0.068 UFC = 0.0068 UF 2211 1221 22112211 REFERENCE DESIGNATION LAST USEDNOT USED C121, C221 J103, J203 P1 R110, R210 RN105,RN205 U102, U202 Z2 S102, S202 8. SWITCHES S101, S102, S201 AND S202 SHOWN IN LOW RANGE POSITION. 7. PARTS IN COMMOM TO BOTH CHANNELS NUMBERED 1-99. 6. CH 2 COMPONENTS NUM

13、BERED 201-299. 5. CH 1 COMPONENTS NUMBERED 101-199. 4. ALL RESISTOR NETWORKS +/- 2%. 3. ALL CAPACITOR VALUES IN MICROFARADS, 100V. 2. ALL RESISTOR VALUES ARE IN OHMS, +/-1%, 1/4 WATT. NOTES: UNLESS OTHERWISE SPECIFIED -PIN (1) CD HORN +6dB BOOST -PIN (3) CD HORN +10dB BOOST BOOST AT 20KHZ P1-5 B. LI

14、LLEMOEN5-9-94 FILTER MINI-SLOT, UF2 SCHEMATIC DIAGRAM, UNIVERSAL SH-004031-00 NONE1 OF 1 SH-004031-001 P1-6 A A SH4031A1.S01 APROD RELEASE PER ECO 23496-29-94 BYPASS MODE AND 6dB HORN BOOST POSITIONS. AND S102 IN LOW RANGE POSITION 1. SHUNT JUMPERS ARE IN SWITCHES S101, S201 AND S202 ARE IN HIGH RAN

15、GE POSITION 2 1. THIS DRAWING USED IN CONJUNCTION WITH PCB ASSEMBLY WP-004031-00. LOW-PASS FILTER LOW-PASS FILTER HIGH-PASS FILTER HIGH-PASS FILTER P1-4 1% 1% 1% 1% 50V50V50V50V50V50V50V50V 50V50V50V50V50V50V50V50V 1/8W1/8W 1/8W1/8W 50V50V50V50V 50V50V50V50V 1% 1% 1% 1% 9. FACTORY SET CONFIGURATION:

16、 INSTALLED RESISTOR NETWORKS ARE RN102:68K (1.2KHz), C7-C100 D C B A D C B A 87654321 87654321 QSC 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 N

17、O.DWG NO. SCALECAD FILE NO.SHEET REV D DWG NO.SHREV AUDIO PRODUCTS, INC. COSTA MESA, CALIFORNIA DATE 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