DBX-3231L-eq-sch维修电路原理图.pdf
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1、ECN#DATEECN#DATEDESCRIPTIONREVISIONREVISIONDESCRIPTION|LINK|053238A1.001REVISION HISTORY|053238A1.002|053238A1.003|053238A1.004|053238A1.005P2VARIOUS SCHEMATIC CHANGES10.24.94A0RELEASE TO PRODUCTION, BOARD IS REV A11.22.94A1ADD R53 & R54. CHANGES C64 & C653.15.95254Monday, October 25, 1999053238A1.0
2、00A1dbx 3231L CH1 MAIN BOARD 80-3238dbx Professional Products8760 South Sandy ParkwaySandy, Utah 84070B05TitleSizeDocument NumberRevDate:Sheet of RadioFans.CN 收音机爱 好者资料库GNDIN-IN+GNDOUT-OUT+INPUTOUTPUTTO/FROMCONTROL BOARDINPUT GROUNDLIFT SWITCHRELAY DEFEATBYPASSTRANSFORMER IS INSTALLED)(UNSOLDER PJ3
3、& PJ4 WHEN INPUTINPUT TRANSFORMER OPTION(UNSOLDER PJ1 & PJ2 TO DEFEAT)(UNSOLDER PJ5 & PJ6 WHEN OUTPUTTRANSFORMER IS INSTALLED)OUTPUT TRANSFORMER OPTIONMonday, October 25, 1999053238A1.001A1dbx 3231L CH1 MAIN BOARD 80-3238dbx Professional Products8760 South Sandy ParkwaySandy, Utah 84070B15TitleSizeD
4、ocument NumberRevDate:Sheet of IN-IN+OUT-OUT+V+V+V+V+V-V-V-V-V-V-V+V-V+V-V+U2AMC330783214D11N4148Q42N5088D31N4001U5SSM214225618734R10330U4SSM21411432675R1875KWA1WA28344912WA4WA28344912L1EMI1000PF132R11220KPJ1PJPJ2PJD71N4148D91N4148R3610.0K 1%D81N4148D101N4148R3710.0K 1%L3EMI1000PF132L9EMI1000PF132L1
5、0EMI1000PF132PJ4PJPJ3PJH12AHDR3210631H12C3H12D4H12E5H12B2PJ5PJPJ6PJH13AHDR3210631H13B2H13C3H13D4H13E5J3J3221141234C1147S63EC2147S63EC127PJC3C310NPSE1H1WT321164A1B2C3D4E5F6G7H8I9J10K1RLY72514346811139161R149.9K 1%R249.9K 1%C2547SE1J2J3221151234SW1SW4401311237891211106541314J4J322110254136J1J322110254
6、136B1BAR320301123456RANGEEQ INEQ OUTIN CLIPIN-IN+OUT-OUT+RadioFans.CN 收音机爱 好者资料库20 Hz25 Hz100 Hz31.5 Hz40 Hz50 Hz63 Hz80 HzTO/FROMSLIDER BOARDSLIDER CUTSLIDER BOOSTMonday, October 25, 1999053238A1.002A1dbx 3231L CH1 MAIN BOARD 80-3238dbx Professional Products8760 South Sandy ParkwaySandy, Utah 84070
7、B25TitleSizeDocument NumberRevDate:Sheet of C1C2C3C4C5C6C7C8C7C1C4C2C5C8C6C3V+V+V+V+V+V-V-V-V-V-+15-15RE310.0K 1%RD310.0K 1%R17200K 1%D21N4148Q1J112213Q2J112213R74.42K 1%U3AMC330783214R154.42K 1%Q5J112213Q3J112213R124.42K 1%U6BMC330785678RE610.0K 1%U9AMC330783214RE910.0K 1%U6AMC330783214RE410.0K 1%R
8、D410.0K 1%RC45.11K 1%RE710.0K 1%RE510.0K 1%RD510.0K 1%U7AMC330783214RE110.0K 1%RD110.0K 1%U1AMC330783214U1BMC330785678RE210.0K 1%RD210.0K 1%RA3121K 1%RC316.2K 1%RA1100K 1%RC113.0K 1%RA278.7K 1%RC210.2K 1%RA561.9K 1%RC58.06K 1%RA748.7K 1%RC76.49K 1%RA439.2K 1%RA630.1K 1%RC64.02K 1%RA924.3K 1%RC93.24K
9、 1%R61.00K 1%R813.3K 1%R131.00K 1%R161.00K 1%R1413.3K 1%RB67.15K 1%RB95.76K 1%RD910.0K 1%RD610.0K 1%RD710.0K 1%RB711.5K 1%RB514.3K 1%RB328.7K 1%RB123.2K 1%RB218.2K 1%L4EMI1000PF132U3BMC330785678R913.3K 1%L2EMI1000PF132R313.3K 1%R51.00K 1%RB49.09K 1%R44.42K 1%U2BMC330785678U7BMC330785678R412.00K 1%Q1
10、12N6427132R40340K 1%D111N4148R382.00K 1%R392MH2WT321164A1B2C3D4E5F6G7H8I9J10C24.047MM3C4710NPSE1H3WT321164A1B2C3D4E5F6G7H8I9J10CD627PJC3CC710NPSE1CC110NPSE1CD327PJC3CC210NPSE1CD127PJC3CC310NPSE1CD227PJC3CD427PJC3CC610NPSE1CD727PJC3CC510NPSE1CD527PJC3CC410NPSE1CC810NPSE1CD927PJC3C68.047MM3C1027PJC3C2
11、027PJC3CA3.39H63PCB3.39H63PCA1.39H63PCB1.39H63PCA2.39H63PCB2.39H63PCA4.39H63PCB5.39H63PCA9.39H63PCB8.39H63PCA6.39H63PCB6.39H63PCA8.39H63PCB7.39H63PCA11.39H63PCB12.39H63PFILTERS IN1RANGEEQ INEQ OUTIN CLIPC1C2C3C4C5C6C7C8C7C1C4C2C5C8C6C3125 Hz160 Hz200 Hz250 Hz315 Hz400 Hz500 Hz630 HzMonday, October 2
12、5, 1999053238A1.003A1dbx 3231L CH1 MAIN BOARD 80-3238dbx Professional Products8760 South Sandy ParkwaySandy, Utah 84070B35TitleSizeDocument NumberRevDate:Sheet of D3D1D6D2D3D4D5D6D7D8D1D4D7D2D5D8V+V+V+V+V-V-V-V-RD1210.0K 1%RE1210.0K 1%U10AMC330783214U11BMC330785678RD1610.0K 1%RE1610.0K 1%U11AMC33078
13、3214RE1310.0K 1%RD1310.0K 1%RD1010.0K 1%RE1010.0K 1%U12AMC330783214RD1410.0K 1%RE1410.0K 1%U12BMC330785678RE1710.0K 1%RD1710.0K 1%RD810.0K 1%RA815.4K 1%RC82.05K 1%RD1110.0K 1%RE1110.0K 1%U9BMC330785678RA1119.6K 1%RC112.61K 1%RA10121K 1%RC1016.2K 1%RA14100K 1%RC1413.0K 1%RA1778.7K 1%RC1710.2K 1%RA136
14、1.9K 1%RC138.06K 1%RA1648.7K 1%RC166.49K 1%RA1239.2K 1%RC125.11K 1%RB114.64K 1%RB1314.3K 1%RB1611.5K 1%RB129.09K 1%RB1028.7K 1%RB1423.2K 1%RB1718.2K 1%U8AMC330783214RE810.0K 1%RB83.65K 1%U8BMC330785678CC1010NPSE1CD827PJC3CD1127PJC3CC1210NPSE1CC910NPSE1CD1027PJC3CC1110NPSE1CD1427PJC3CC1510NPSE1CD1727
15、PJC3CD1227PJC3CC1410NPSE1CD1627PJC3CC1610NPSE1CD1327PJC3CC1310NPSE1H4WT321164A1B2C3D4E5F6G7H8I9J10CA17.039H63PCB17.039H63PCB21.039H63PCA20.039H63PCA18.039H63PCB18.039H63PCA14.039H63PCB15.039H63PCA19.039H63PCB19.039H63PCA21.039H63PCB13.39H63PCA13.39H63PCB14.39H63PCA15.39H63PCB22.039H63PFILTERS IN1D3D
16、1D6D2D3D4D5D6D7D8D1D4D7D2D5D8800 Hz1000 Hz1250 Hz1600 Hz2000 Hz2500 Hz3150 Hz4000 HzMonday, October 25, 1999053238A1.004A1dbx 3231L CH1 MAIN BOARD 80-3238dbx Professional Products8760 South Sandy ParkwaySandy, Utah 84070B45TitleSizeDocument NumberRevDate:Sheet of G1G2G3G4G5G6G7G8G1G4G7G2G5G8G6G3V+V+
17、V+V+V-V-V-V-RE2310.0K 1%RD2310.0K 1%RA2361.9K 1%RC238.06K 1%RD2710.0K 1%RE2710.0K 1%RD1810.0K 1%RE1810.0K 1%U13AMC330783214RD2010.0K 1%RE2010.0K 1%U13BMC330785678U19AMC330783214RD2410.0K 1%RE2410.0K 1%U14BMC330785678RD2110.0K 1%RE2110.0K 1%RE1910.0K 1%RD1910.0K 1%U14AMC330783214RD1510.0K 1%RE1510.0K
18、 1%U10BMC330785678RC154.02K 1%RA1924.3K 1%RC193.24K 1%RA2119.6K 1%RC212.61K 1%RA1815.4K 1%RB183.65K 1%RC182.05K 1%RA20121K 1%RB2028.7K 1%RC2016.2K 1%RA24100K 1%RC2413.0K 1%RA2778.7K 1%RC2710.2K 1%RB195.76K 1%RB214.64K 1%RB157.15K 1%RB2423.2K 1%RB2314.3K 1%RB2718.2K 1%U18AMC330783214RA1530.1K 1%U19BM
19、C330785678CD2127PJC3CC1910NPSE1CD1927PJC3CC1810NPSE1CD1527PJC3CC1710NPSE1CC2010NPSE1CD1827PJC3CC2110NPSE1CD2027PJC3CC2210NPSE1CD2427PJC3CD2327PJC3CC2410NPSE1CD2727PJC3CC2310NPSE1H7WT321164A1B2C3D4E5F6G7H8I9J10R520CA33.0039H63PCB33.0039H63PCA37.0039H63PCB37.0039H63PCA26.039H63PCB25.039H63PCB30.0039H6
20、3PCA29.0039H63PCA34.0039H63PCB34.0039H63PCB31.039H63PCA30.039H63PCA25.039H63PCB24.039H63PCA23.039H63PCB23.039H63PFILTERS IN1FILTERS IN2G1G2G3G4G5G6G7G8G1G4G7G2G5G8G6G35000 Hz6300 Hz8000 Hz10000 Hz12500 Hz16000 Hz20000 HzTEST HEADERMonday, October 25, 1999053238A1.005A1dbx 3231L CH1 MAIN BOARD 80-323
21、8dbx Professional Products8760 South Sandy ParkwaySandy, Utah 84070B55TitleSizeDocument NumberRevDate:Sheet of H2H6H2H3H4H5H6H7H8H3H7H4H8H5V+V+V+V+24VV-V+V+V+V+V+V+V+V+V+V+V+V+V+V+V+V-V-V-V-V-V-V-V+V-V+V+V+V+V-V-V-V-V-V-V-V-V-V-V-V-V-V-24V+24V-24VV-V+V+V-+15-15RD3010.0K 1%RE3010.0K 1%RD2810.0K 1%RE2
22、810.0K 1%U22BMC330785678RD3110.0K 1%RE3110.0K 1%RE2910.0K 1%RD2910.0K 1%RE2510.0K 1%RD2510.0K 1%U17BMC330785678RD2210.0K 1%RE2210.0K 1%RE2610.0K 1%RD2610.0K 1%RB2611.5K 1%RC266.49K 1%RA2239.2K 1%RB229.09K 1%RC225.11K 1%RC254.02K 1%RA2924.3K 1%RC293.24K 1%RA3119.6K 1%RC312.61K 1%RA2815.4K 1%RC282.05K
23、 1%RA3012.1K 1%RC301.62K 1%RA2648.7K 1%RA2530.1K 1%RB302.87K 1%U21AMC330783214U22AMC330783214U18BMC330785678U17AMC330783214RB257.15K 1%RB314.64K 1%RB283.65K 1%U21BMC330785678U247815I1G2O3U237915I2G1O3RB295.76K 1%H11HDR32211112345678910S4DIP8SS5DIP8SPCB180-3238-ABR1BRDB1024132C610KTC210KTH9EHDR321071
24、5H9D4H9C3H9B2H9A1H10A1H10B2H10C3H10D4H10EHDR3210715SR1SR280058SR2SR280058HS1HS704204I1INS704209C31.047MM3C61.047MM3C63.047MM3C4.047MM3C5.047MM3C12.047MM3C13.047MM3C32.047MM3C36.047MM3C50.047MM3C51.047MM3C19.047MM3C18.047MM3H8WT321164A1B2C3D4E5F6G7H8I9J10C15.047MM3C26.047MM3C27.047MM3C30.047MM3C37.04
25、7MM3C52.047MM3C60.047MM3C7.047MM3C8.047MM3C14.047MM3C16.047MM3C17.047MM3C22.047MM3C23.047MM3C28.047MM3C33.047MM3C34.047MM3C35.047MM3C38.047MM3C39.047MM3C54.047MM3C55.047MM3C56.047MM3C62.047MM3C29.047MM3CC3010NPSE1CD3127PJC3CC2910NPSE1CD2827PJC3CC3110NPSE1CD3027PJC3CC2810NPSE1CD2927PJC3CD2527PJC3CC25
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