QSC-PLD4_3-pwr-sm 电路图 维修手册.pdf

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1、AC ENTERS BLOCK THROUGH WIRES. FILTERED LINE AND NEUTRAL GO TO PFC SUPPLY THROUGH WIRES. ANOTHER WIRE GOES TO REAR PANEL SWITCH, THEN TO TOPSWITCH. +17V: RAW FROM TOPSWITCH PLUMBING SIGNALS:GROUND SCHEDULE: VDD: MAIN AMP RAIL HIGH (+147V) VSS: MAIN AMP RAIL LOW (-147V) -15V: LINEAR REG FROM -17V +3.

2、3VA: LINEAR REG FROM +5VA +5VA: REGULATED FROM TOPSWITCH DIG1: MISC AMP CIRCUITRY (STAR TO DIG1) -17V: RAW FROM TOPSWITCH +15V; LINEAR REG FROM +17V 7: DC-DC PSU HEATSINK TO PRI_LO 6: PFC 2.5KW - NEVER DNI DNI FOR 2.5KWTOPSWITCH SUPPLY, VAC MONITOR, FAN DRIVE 2 PHASE PFC - DNI 1 PHASE FOR 2.5KW AMP

3、OUTPUT COMES FROM WIRES REF DES DECODER: 1. THIS DRAWING USED IN CONJUNCTION WITH FABRICATION DRAWING PC-220003-00. OUTPUT RELAYS AND CONNECTORS 5: HOUSEKEEPING 4: LINE FILTER 3: OUTPUT BOARD 2: AMPLIFIER 1: DIGITAL FIRST NUMBER INDICATES SECTION SIG1: LOW VOLTAGE (DIGITAL) GROUND PWR1: HIGH VOLTAGE

4、 CHASSIS3: OUTPUT BOARD CHASSIS2: AMP FEED THRU CAPS CHASSIS1: LINE FILTER A7-10-13PRODUCTION RELEASE PER ECO 12962 AC D PLD 4.3 MAIN AMPLIFIER DAVID G DREVISE PER ECO 13457 AC2-7-14 6-21-13JOHN R SH-220003-00 31AR-220003-00.ZIPNONE 6-27-13 7-11-13 SUBVERSION DENISE D DD BLOCK_NUM=1 NA NA BLOCK_NUM=

5、5 PAGE NAME BLOCK_NUM=7 BLOCK_NUM=6 SUBDESIGN_SUFFIX=11 BLOCK_NUM=7 SUBDESIGN_SUFFIX=12 BLOCK_NUM=3 NA NA NA 0 NA 0 NA NA 0 BLOCK_NUM=4 0 BLOCK_NUM=2 MTG8 SN2SN3SN4SN5SN6 R7 R6 R5 R4 SI1 FP4FP3FP2FP1 BT2BT1AI1 MTG9 MTG7 MTG6 MTG5 MTG4 MTG3 MTG2 MTG1 SN1 VMON_CH3REF DCDC_DRIVE_LO_P2 AMP_TEMP1 AMP_SYN

6、C CONTROL_REF AMP_SD IMON_CH2REF VMON_CH3 VMON_CH3REF AMP_CH4GND_DIG PSU_REF VAC_MON DC_FAULT_L AMP_OC AMP_TEMP2REF DCDC_DRIVE_HI_P2 DCDC_DRIVE_LO_P1 PSU_ENABLE DCDC_DRIVE_HI_P1 FAN_TACH VMON_CH4REF IMON_CH3REF VMON_CH4 IMON_CH4 AMP_CH3- AMP_CH3+ AMP_CH1GND_DIG AMP_CH1- AMP_CH1+ VMON_CH2 IMON_CH1REF

7、 VMON_CH1REF IMON_CH1 VMON_CH1 IMON_CH3 IMON_CH2 VMON_CH2REFAMP_CH2+ AMP_CH2- AMP_CH2GND_DIG AMP_CH3GND_DIG RELAY_CONTROL AMP_CH4- AMP_CH4+ AMP_TEMP2 AMP_TEMP1REF AMP_TEMP1 IMON_CH4REF PSU_TEMPREF FAN_PWM MAIN_RELAY_H INRUSH_RELAY_HPSU_TEMP AMP_TEMP2REF VMON_CH4REF VMON_CH4 IMON_CH2REF IMON_CH1REF I

8、MON_CH2 FAN_TACH +12VLOWVBOOST VAC_MON AMP_TEMP1REF NEUT_HK FAN_PWM PSU_TEMPREF PSU_REF PSU_TEMP AMP_TEMP2 DCDC_GATE_LO DC_FAULT_L DCDC_DRIVE_LO_P1 VBOOST DCDC_DRIVE_HI_P1 DCDC_DRIVE_HI_P2 DCDC_DRIVE_LO_P2 NEUT DCDC_GATE_LO VMON_CH3 VMON_CH2REF VMON_CH1 IMON_CH3REF IMON_CH3 IMON_CH1 AMP_OC AMP_CH1GN

9、D_AMP AMP_CH4GND_AMP AMP_CH3GND_AMP NEUT IMON_CH4 VMON_CH1REF VMON_CH2 AMP_CH2GND_AMP IMON_CH4REF 1 1 1 1 1 1 1 1 +5VA_IC (0.1A) +15V (0.2A) +12VLOW (0.6A) -17V (0.65A, FAN) -15V (0.2A) P2 (SEC GND) +3.3VD (4.55A) +17V (0.65A, FAN) OUTPUTS: CONSUMES: +15V: 5MA -15V: 5MA HOUSEKEEPING INPUTS: PRI_LO P

10、RI_BIAS PRI_HI LINE_HK FAN_TACH +12VLOW VBOOST VAC_MON AMP_TEMP1 AMP_TEMP1REF NEUT_HK FAN_PWM PSU_TEMPREF PSU_REF AMP_TEMP2REF PSU_TEMP AMP_TEMP2 SI_Target 1 Panel_Fiducial 1 Panel_Fiducial 1 Panel_Fiducial 1 Panel_Fiducial 1 Board_Target 1 Board_Target 1 AI Target 1 4CH_AMP_OUTPUT P1 P1A1 P1 P1A1 L

11、INE_FILTER GND_CHASSIS1 A1 P1 P1 A1 RELAY CONTROL 2 PARALLELS 2 AND 3 ETC. RELAY CONTROL 7 IS FOR NL4 BRIDGE ONLY! RELAY CONTROL 1 PARALLELS 1 AND 2 +3.3VA AMP_DIGITAL_TOP AMPLIFIER CONTROL/TELEMETRY +5VA USES NETS: +15V, -15V GENERATES NETS: GND_SIG1 +1.2VD PSU CONTROL/TELEMETRY INRUSH_RELAY_H MAIN

12、_RELAY_H PSU_ENABLE DCDC_DRIVE_LO_P1 DCDC_DRIVE_HI_P2 DCDC_DRIVE_LO_P2 FAN_TACH DC_FAULT_L AMP_OC PSU_TEMP BRIDGE_RELAY_H FAN_PWM PSU_TEMPREF IMON_CH4_REF AMP_TEMP1 AMP_TEMP1REF AMP_TEMP2 AMP_CH4+ AMP_CH4- RELAY_CONTROL AMP_CH3GND AMP_CH2GND AMP_CH2- AMP_CH2+VMON_CH2_REF IMON_CH2 IMON_CH3 VMON_CH1 I

13、MON_CH1 VMON_CH1_REF IMON_CH1_REF VMON_CH2 AMP_CH1+ AMP_CH1- AMP_CH1GND AMP_CH3+ AMP_CH3- IMON_CH4 VMON_CH4 IMON_CH3_REF VMON_CH4_REF DCDC_DRIVE_HI_P1 AMP_TEMP2REF VAC_MON PSU_REF AMP_CH4GND VMON_CH3_REF VMON_CH3 IMON_CH2_REF AMP_SHUTDOWN CONTROL_REF AMP_SYNC +15V 35.8MA PRI_LO P2 (SEC GND) VSS (-15

14、0V) VDD (+150V) DCDC DCDC_DRIVE_LO DCDC_DRIVE_HI VBOOSTDCDC_GATE_LO GND_SIG1 RELAYS: 92MA PEAK, 75MA RUN FROM +/- 15V BOOST_SUPPLY PRI_BIAS: 55.5MA PRI_HI; PRI_LO PSU_ENABLE MAIN_RELAY VBOOST NEUTINRUSH_RELAY DCDC_GATE_LO +15V 35.8MA PRI_LO P2 (SEC GND) VSS (-150V) VDD (+150V) DCDC DCDC_DRIVE_LO DCD

15、C_DRIVE_HI VBOOSTDCDC_GATE_LO AMP_TOP AMP_PARALLEL_ENABLE AMP_SHUTDOWN AMP_CONTROL_REF AMP_CH2+ AMP_CH3GND AMP_CH4GND VMON_CH3 VMON_CH2_REF VMON_CH2 VMON_CH1_REF VMON_CH1 IMON_CH4_REF IMON_CH4 IMON_CH3_REF IMON_CH3 IMON_CH2_REF IMON_CH2 IMON_CH1_REF IMON_CH1 AMP_OC AMP_CH1+ +12VLOW AMP_CH1- AMP_CH1G

16、ND AMP_CH2- AMP_CH2GND AMP_CH4+ AMP_CH4- AMP_CH3+ AMP_CH3- VMON_CH3_REF VMON_CH4 VMON_CH4_REF DC_FAULT_L SYNC VDD VSS PRI_LO C2 COSTA MESA, CA 92626 USA 1675 MACARTHUR BOULEVARD QSC AUDIO PRODUCTS, LLC. NOTES: UNLESS OTHERWISE SPECIFIED C OF QSC AUDIO PRODUCTS, THAT MAY NOT BE DISCLOSED, REPRODUCED

17、OR USED INFORMATION WHICH IS THE PROPERTY THIS DOCUMENT CONTAINS PROPRIETARY C 43 EFF. DATECHK REVISIONS REVDESCRIPTION D B A B D 4321 WITHOUT EXPRESS WRITTEN CONSENT FROM QSC AUDIO PRODUCTS. REV APPROVED/DATE SHEET 1 OF DWG NO. CONTRACT NO. 00PW4 CAGE CODE C SIZE SCALE 2 A SCHEMATIC DIAGRAM 1 DATE

18、ISSUED APPROVALS SEED FILE NO. SVN PATH PLOT DATE: CHECKED DRAWN RadioFans.CN 收音机爱 好者资料库 NC IN 4CH NC IN 4CH RELAY CONTROL 2 PARALLELS CHANNEL 2 AND 3 RELAY CONTROL 4 PARALLELS CHANNEL 5 AND 6 THE INTENT IS THAT RELAY CONTROL 1 PARALLELS CH 1 AND 2 RELAY CONTROL 5 PARALLELS CHANNEL 6 AND 7 AND IS FO

19、R THE BRIGDE RELAY FOR NL4SRELAY CONTROL 6 PARALLELS CHANNEL 7 AND 8 PIN5,6,9 CHASSIS GROUND AT SPEAKER OUTPUT BOARD AUDIO_TDM_IN2 IS ONLY ON 8CH AMPS NC IN 4CH TO BOM MANUALLY ADD WC-000398-00 RELAY CONTROL 3 PARALLELS CHANNEL 3 AND 4 2 OF 31 amp_digital_top NONEAR-220003-00.ZIP SH-220003-00D 10K 1

20、 PCNT1 PCNT 10K NA 4 1 1/16W 1/16W 0 NA 100 1 PCNT 1/16W 10K 3 10K 1 PCNT 1/16W 1 PCNT 10K 1/16W 1 PCNT 0.01UF 10 PCNT 25V 2 4 5 6 8 6 5 2 1 2 3 4 3 10 PCNT 0.1UF 16V PAGE NAME BAT54S 1 7 10K 1 PCNT 1/16W 1/16W 1 PCNT 10K 1/16W 1 PCNT 75 1/16W 1 PCNT 75 1/16W 1 PCNT 75 1/16W 1 PCNT 75 1/16W 1 PCNT 7

21、5 1/16W 10 PCNT 0.01UF 25V 10 PCNT 0.01UF 25V 10 PCNT 0.01UF 25V 10 PCNT 0.01UF 25V R140 TN110 TP12 TP13 R142 TP112 C140 R120R139 C139 R119R138 C138 R118R136 C137 R133R124 R125 TP14 TP16 TP15 TP17 TP18 TP19 J13A J13A J13A TN16 TN123 TN124 TP11 SG16 SG17 SG18 SG19 J13A TN14 TN15 TN17 J13A J13A J13A J

22、13A J13A J13A TN18 TN19 D110 TP111 TP110 C151 R141 R137 C141 R121 TN12 TN11 SN11 AMP_CH1- AMP_CH2GND INRUSH_RELAY_H PSU_ENABLE CONTROL_REF NYQUIST_ADC_RESET_L 8CHDAC_RESET_L AMUX_CBUS PSU_ENABLE DCDC_DRIVE_LO_P1 INRUSH_RELAY_H PSU_REF FPGA_CS_L FAN_TACH AMP_SYNC VMON_CH1_REF AMP_CH3GND AMP_CH1GND AM

23、P_CH4GND IMON_CH4_REF VMON_CH4_REF IMON_CH2_REF IMON_CH3_REF VMON_CH2_REF VMON_CH3_REF IMON_CH1_REF BRIDGE_RELAY_H MAIN_RELAY_H AMP_SYNC_OUT FAN_TACH_IN AMP_OC SYSTEM_RESET_L FAN_TACH_OUT FAN_PWM NYQUIST_ADC_RESET_L MOSIAUDIO_MCLK AUDIO_TDM_OUT MISO AUDIO_LRCKSCLK DC_FAULT_L AUDIO_SCLK AMP_TEMP2REF

24、AMP_TEMP2 AMP_TEMP1REF AMP_TEMP1 VMON_CH2 AUDIO_MCLK AUDIO_LRCK AUDIO_SCLK AMP_CH4- AUDIO_TDM_IN1 AUDIO_TDM_IN2 VAC_MON PSU_TEMPREF AMP_CH2+ PSU_TEMP SCLKMISO IMON_CH3 VMON_CH4 IMON_CH4 AMP_CH3- AMP_CH3+ INST_ADC_CS_L AUDIO_TDM_IN1 AUDIO_TDM_IN2 MOSI FPGA_CS_L SCLK DAC_CS_L AUDIO_TDM_OUT SYSTEM_RESE

25、T_L MOSI IMON_CH1 VMON_CH3 IMON_CH2 AMP_CH2- SCLK AUDIO_LRCK AUDIO_MCLK AMP_CH1+ AMUX_CBUS INST_ADC_CS_L AMP_CH4+ DAC_CS_L MISO FAN_TACH_OUT VMON_CH1 AUDIO_TDM_OUT AUDIO_LRCK AUDIO_SCLK AUDIO_MCLK FPGA_SN_L MISO MOSI DC_FAULT_L FPGA_SN_L AUDIO_MCLK SCLK 8CHDAC_RESET_L AMP_SHUTDOWN DCDC_DRIVE_HI_P1 R

26、ELAY_CONTROL MAIN_RELAY_H AMP_SHUTDOWN DCDC_DRIVE_HI_P2 DCDC_DRIVE_LO_P2 AUDIO_SCLK 1 2 3 4 5 7 8 6 9 10 OUT OUT A1 IN OUT IN IN IN +3.3VA USES NETS: LOGIC_CONTROL NET +1.2V GENERATED INTERNALLY GND_SIG2 AMP_SYNC_OUT FAN_TACH_OUT AMP_OC FPGA_SN_L FAN_TACH_IN DC_FAULT_L SYSTEM_RESET_L AUDIO_MCLK PSU_

27、ENABLE BRIDGE_RELAY_H RELAY_CONTROL 8CHDAC_RESET_L NYQUIST_ADC_RESET_L MOSI SPI_CLKMISO AMP_SHUTDOWN INRUSH_RELAY_H MAIN_RELAY_H AMUX_CBUS DCDC_DRIVE_HI_P1 DCDC_DRIVE_LO_P1 DCDC_DRIVE_HI_P2 DCDC_DRIVE_LO_P2 FPGA_CS_L IN IN IN IN IN IN IN IN IN IN GND_SIG2 +5VA +15V, -15V USES NETS: DSP_CONNECTIONS F

28、PGA_SN_L INST_ADC_CS_L AUDIO_TDM_IN1 AUDIO_TDM_IN2 FAN_TACH MISOMOSI FPGA_CS_L SCLK DAC_CS_L AUDIO_TDM_OUT AUDIO_SCLK AUDIO_LRC AUDIO_MCLK FAN_PWM RESET_L IN IN IN IN IN IN IN IN GLOBAL NETS: +/-15V GND_SIG2 +5VA NYQUIST_DAQ_CORE DAQ_SCLK DAQ_LRCLK NYQUIST_INST_DATA RESET_L DAQ_MCLK IMON_CH4_REF IMO

29、N_CH4 VMON_CH4_REF VMON_CH4 IMON_CH3 IMON_CH3_REF VMON_CH3_REF VMON_CH3 IMON_CH2_REF IMON_CH2 VMON_CH2_REF VMON_CH2 IMON_CH1_REF IMON_CH1 VMON_CH1_REF VMON_CH1 IN IN IN OUT OUT OUT OUT OUT A1 A1 A1 OUT A1 +24V OUT +15 USES GLOBAL NETS: LOW_SPEED_DAQ_CORE -15 GND_SIG2 +5.0VA PSU_TEMPREF VAC_MON PSU_T

30、EMP AMP_TEMP2REF AMP_TEMP2 AMP_TEMP1REF AMP_TEMP1 SPI_CLK ADC_SPI_CS_L ADC_SPI_DOUT AMUX_CBUS PSU_REF A1 OUT OUT OUT OUT +3.3VA IN A1 A1 A1 IN A1A1 OUT A1A1 OUT OUT OUT OUT OUT OUT OUT OUT A1 OUT OUT GLOBAL NETS:+/-15V GND_SIG2 DAC OUT_A+ OUT_AREF OUT_B+ OUT_BREF OUT_DREF OUT_E+ OUT_EREF OUT_F+ OUT_

31、FREF OUT_G+ OUT_GREF OUT_H+ OUT_HREF MCLK SCLK LRCK SDIN MOSI OUT_CREF OUT_C+ OUT_D+ RESET_L SPI_CS_L SPI_CLK INFORMATION WHICH IS THE PROPERTY WITHOUT EXPRESS WRITTEN CONSENT FROM C C SIZE SCALE CAGE CODEDWG NO.REV 43 D B 2 A B C 4321 SHEET A 1 00PW4 CAD FILE NO. D QSC AUDIO PRODUCTS. BE DISCLOSED,

32、 REPRODUCED OR USED OF QSC AUDIO PRODUCTS, THAT MAY NOT THIS DOCUMENT CONTAINS PROPRIETARY RadioFans.CN 收音机爱 好者资料库 3 OF 313 D PLD 4.3 MAIN AMPLIFIER dac NONEAR-220003-00.ZIP SH-220003-00 10 PCNT 10 PCNT 100UF 6.3V 20 PCNT 16V 0.1UF 1N4148WS-V 0.1UF 10 PCNT AK4358 6.3V 100UF 16V 20 PCNT 100UF 6.3V 20

33、 PCNT 0.1UF 16V PAGE NAME AK4358 20 PCNT 100UF0.1UF 16V 10 PCNT 10 1/16W 1 PCNT 1 PCNT 10 1/16W 6.3V 100UF 20 PCNT 6.3V 220 OHM 100MHZ 16V 0.1UF 10 PCNT 10UF 20 PCNT 25V LM2937-5.0 C147 D13 U18 C146C145C144 L11 C148 C143C142 R123 TN140 TN136 TN132 TN128 TN138 TN134 TN130 TN126 TN137TN139 TN133TN135

34、TN131TN129 TN125TN127 R11 C11C12C14C13 U12 U12 SPI_CS_LDAC_OUT_H- DAC_OUT_G+ DAC_OUT_F+ DAC_OUT_D- MCLK SCLK OUT_G+ OUT_F+ MOSI SPI_CLK SDIN RESET_L DAC_OUT_C- DAC_OUT_B- DAC_OUT_E+ DAC_OUT_E- DAC_OUT_F- DAC_OUT_A+ DAC_OUT_A- DAC_OUT_B+ DAC_OUT_C+ DAC_OUT_D+ OUT_A+ OUT_AREF OUT_B+ OUT_BREF OUT_C+ OU

35、T_CREF OUT_D+ OUT_DREF DAC_OUT_H+ DAC_OUT_G- LRCK OUT_FREF OUT_GREF OUT_HREF OUT_H+ OUT_EREF OUT_E+ 4 3 2 1 1211 3635 34 13 16 15 14 32 33 39 40 43 44 47 48 8 10 17 37 38 41 42 45 46 1 2 18 3 4 5 24 30 28 26 23 29 27 25 31 22 21 20 19 6 9 7 OUT OUT OUT OUT OUT USES NETS: +15V, -15V GND_SIG2 +5VA CON

36、NECT TO: DAC_OUTPUT_BUF ALL REF CONNECTIONS MUST BE GROUNDED AT DESTINATION C, D E, F G, H IN 4 CHANNEL AMPS A, B IN_C+ IN_C- OUT_H+ IN_D+ IN_B- IN_D- IN_E+ IN_E- IN_F+ IN_F- IN_G+ IN_G- IN_H+ IN_H- OUT_G+ OUT_F+ OUT_E+ OUT_DREF OUT_D+ OUT_CREF OUT_C+ OUT_BREF OUT_B+ OUT_AREF OUT_A+ OUT_EREF OUT_FRE

37、F OUT_GREF OUT_HREF IN_A+ IN_A- IN_B+ IN IN IN IN IN IN IN IN INOUT GND GND +15V+5VA_A+5VA_A +5VA_A +5VA_A A1 A1 A1A1 A1 DVSS AVSS DVDD AVDD MCLK BICK LRCK SDTI1 SDTI2 SDTI3 SDTI4 DCLK DSDL4 DSDR4 DSDL1 DSDR1 DSDL2 DSDR2 DSDL3 DSDR3 VREFH I2C CSN/CAD1 CDTI/SDA CCLK/SCL CAD0 ACKSN PDN* DIF0 LOUT1+ LO

38、UT1- ROUT1+ ROUT1- LOUT2+ LOUT2- ROUT2+ ROUT2- LOUT3+ LOUT3- ROUT3+ ROUT3- LOUT4+ LOUT4- ROUT4+ ROUT4- DZF1 DZF2 DZF3 OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT INFORMATION WHICH IS THE PROPERTY WITHOUT EXPRESS WRITTEN CONSENT FROM C C SIZE SCALE CAGE CODEDWG NO.REV 43 D B 2 A B C 4321 SHEET A 1 00

39、PW4 CAD FILE NO. D QSC AUDIO PRODUCTS. BE DISCLOSED, REPRODUCED OR USED OF QSC AUDIO PRODUCTS, THAT MAY NOT THIS DOCUMENT CONTAINS PROPRIETARY RadioFans.CN 收音机爱 好者资料库 4 OF 31 dac_output_buf NONEAR-220003-00.ZIP SH-220003-00D PAGE NAME 20 PCNT 25V 220UF 25V 20 PCNT 220UF 25V 220UF 20 PCNT 25V 220UF 2

40、0 PCNT 25V 220UF 20 PCNT 25V 220UF 20 PCNT 25V 20 PCNT 220UF 25V 220UF 20 PCNT NA 0 NA NA 0 NA NA 0 NA 0 NA NA NA 0 NA NA 0 NA NA 0 NA NA 0 NA R132 R131 R130 R129 R127 R126 R117 C135 C136 C133 C134 C132 C131 R128 C130 C129 OUT_BREF OUT_AREF OUT_DREF OUT_CREF OUT_FREF OUT_EREF OUT_HREF OUT_GREF IN_A+

41、 IN_A- IN_B+ IN_B- IN_C+ IN_C- IN_D+ IN_D- IN_E+ IN_E- IN_F+ IN_F- IN_G+ IN_G- IN_H+ IN_H- OUT_H+ OUT_G+ OUT_F+ OUT_E+ OUT_D+ OUT_C+ OUT_B+ OUT_A+ INT_OUT_H+ INT_OUT_G+ INT_OUT_F+ INT_OUT_E+ INT_OUT_D+ INT_OUT_C+ INT_OUT_B+ INT_OUT_A+ IN OUT OUT OUT OUT IN IN OUT OUT OUT OUT IN IN OUT OUT OUT 2CH_DA

42、C_FILT USES NETS: +15V, -15V GND_SIG2 +5VA IN_A+ IN_A- IN_B+ IN_B-OUT_BREF OUT_B+ OUT_AREF OUT_A+ OUT OUT OUT OUT OUT 2CH_DAC_FILT USES NETS: +15V, -15V GND_SIG2 +5VA IN_A+ IN_A- IN_B+ IN_B-OUT_BREF OUT_B+ OUT_AREF OUT_A+ IN 2CH_DAC_FILT USES NETS: +15V, -15V GND_SIG2 +5VA IN_A+ IN_A- IN_B+ IN_B-OUT

43、_BREF OUT_B+ OUT_AREF OUT_A+ IN IN IN IN IN IN IN IN IN IN 2CH_DAC_FILT USES NETS: +15V, -15V GND_SIG2 +5VA IN_A+ IN_A- IN_B+ IN_B-OUT_BREF OUT_B+ OUT_AREF OUT_A+ INFORMATION WHICH IS THE PROPERTY WITHOUT EXPRESS WRITTEN CONSENT FROM C C SIZE SCALE CAGE CODEDWG NO.REV 43 D B 2 A B C 4321 SHEET A 1 0

44、0PW4 CAD FILE NO. D QSC AUDIO PRODUCTS. BE DISCLOSED, REPRODUCED OR USED OF QSC AUDIO PRODUCTS, THAT MAY NOT THIS DOCUMENT CONTAINS PROPRIETARY MID R: 12.4K INPUT R: 1.15K FB R: 2.32K THIS CHANGES THE FILTER VALUES. MOST PARTS ON THIS PAGE ARE PLACEHOLDERS - CORRECT VALUE, WRONG PACKAGE, OR RIGHT PA

45、CKAGE WRONG VALUE. FOR 4 CHANNEL MODE, WE DOUBLE THE OUTPUT OUTSIDE THIS BLOCK. EXACT FILTER VALUES ARE TBD BASED ON WHAT GAIN THE AMP NEEDS. 2.32K * 2.32K * 2.32K * 47PF * 1.15K * 1.15K * 12.4K * 12.4K * 47PF * 2.32K * 47PF * 47PF * 12.4K * 12.4K * 1.15K * 1.15K * 5 OF 31 2ch_dac_filt NONEAR-220003

46、-00.ZIP SH-220003-00D MC33078 4CH_CHANGE 1/16W 5 PCNT 50V 50V 5 PCNT 1/16W 1 PCNT 4CH_CHANGE MC33078 1/16W 1 PCNT 1 PCNT 1/16W PAGE NAME 4CH_CHANGE 4CH_CHANGE 4CH_CHANGE 4CH_CHANGE 4CH_CHANGE 4CH_CHANGE 4CH_CHANGE 4CH_CHANGE 4CH_CHANGE 4CH_CHANGE 1 PCNT 1/16W 1/16W 1 PCNT 1 PCNT1 PCNT 1/16W 1 PCNT 1

47、/16W 1 PCNT 1/16W 1 PCNT 1/16W 1 PCNT 1/16W 1/16W 1 PCNT 5 PCNT 50V 1000PF 50V 5 PCNT MC33078 NA 0 NA 5 PCNT 50V 1000PF NA 0 NA 50V 5 PCNT 10 PCNT 0.1UF 10 PCNT 16V16V 0.1UF R18_1 R114_1 R16_1 C12_1C11_1 U11_1 U11_1 SG12_1 U11_1 SG11_1 R113_1 C17_1 R13_1 R12_1 R11_1 C13_1 R110_1 R19_1 C15_1R17_1 C14

48、_1 C16_1 C18_1 R112_1 R111_1 R15_1 R14_1 OUT_BREF OUT_B+ IN_B- IN_B+ OUT_AREF IN_A- IN_A+ OUT_A+ 3 2 1 5 6 7 48 +15V -15V IN IN IN IN A1 OUT OUT OUT OUT A1 V- V+ A1 INFORMATION WHICH IS THE PROPERTY WITHOUT EXPRESS WRITTEN CONSENT FROM C C SIZE SCALE CAGE CODEDWG NO.REV 43 D B 2 A B C 4321 SHEET A 1

49、 00PW4 CAD FILE NO. D QSC AUDIO PRODUCTS. BE DISCLOSED, REPRODUCED OR USED OF QSC AUDIO PRODUCTS, THAT MAY NOT THIS DOCUMENT CONTAINS PROPRIETARY MID R: 12.4K INPUT R: 1.15K FB R: 2.32K THIS CHANGES THE FILTER VALUES. MOST PARTS ON THIS PAGE ARE PLACEHOLDERS - CORRECT VALUE, WRONG PACKAGE, OR RIGHT PACKAGE WRONG VALUE. FOR 4 CHANNEL MODE, WE DOUBLE THE OUTPUT OUTSIDE THIS BLOCK. EXACT FILTER VALUES ARE TBD BASED ON WHAT GAIN THE AMP NEEDS. 2.32K * 2.32K * 2.32K * 47PF * 1.15K * 1.15K * 12.4K * 12.4K * 47PF * 2.32K * 47PF * 47PF * 12.4K * 12.4K * 1.15K * 1.15K * 6 OF 31 2ch_dac_f