NAD-T973-pwr-schp1 维修电路原理图.pdf
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1、Preliminar yISSUE DATE: May 2004T 973Seven Channel AmplifierPRELIMINARY SCHEMATICSRadioFans.CN 收音机爱 好者资料库Preliminar yT 973 WIRING DIAGRAMRadioFans.CN 收音机爱 好者资料库Preliminar yAGND4-62V_4+62V_4AGND4+62V_4AGND4-62V_4AGND4PROT6DGNDSTBYDGNDPROT3SCLEDPROT4PROT7SCLEDPROT5+8VPROT1PROT2STBYAGND+8V-68V+68VDGNDA
2、GNDACOFF+18VFAN2-18VFAN3FAN1+8VAGND6+62V_3AGND6-62V_3AGND6+62V_3DGNDSCLEDSCN_3SCN_4SCP_4+62V_3SCP_3-62V_3-62V_4+62V_4-68VSCN_3+18VACOFF-18V+68VPROT5SEN5SCP_3-68VSCN_3+18VACOFF-18V+68VPROT6SEN6SCP_3-68VSCN_3+18VACOFF-18V+68VPROT7SEN7SCP_3AGND6B+62V_3B-62V_3B-62V_3BAGND6B+62V_3BAGND6A+62V_3A-62V_3A-62
3、V_3AAGND6AAGND6A+62V_3A+62V_3-62V_3-62V_3AGND6AGND6+62V_3-68VSCN_4+18VACOFF-18V+68VPROT1SEN1SCP_4AGND4A+62V_4A+62V_4A-68VSCN_4+18VACOFF-18V+68VPROT2SEN2SCP_4AGND4B+62V_4B-62V_4BAGND4B-68VSCN_4+18VACOFF-18V+68VPROT3SEN3SCP_4AGND4+62V_4-62V_4-62V_4AGND4+62V_4+62V_4-62V_4-62V_4AGND4AGND4+62V_4-68VSCN_4
4、+18VACOFF-18V+68VPROT4SEN4SCP_4STBYAGNDSEN2SEN3SEN5ISCTRIG_6ISCTRIG_7SEN1ISCTRIG_5ISCTRIG_3ISCTRIG_2AGND6BAGND6FAN1DGNDDGNDFAN2DGNDFAN3+62V_3+62V_3B+62V_3A-62V_3-62V_3B-62V_3AAGND6AGND6BAGND6AISCTRIG_1ISCTRIG_3ISCTRIG_5ISCTRIG_6ISCTRIG_7ISCTRIG_1SEN6SEN7DGNDISCTRIG_4SEN4AGND4AAGND4A-62V_4A-62V_4AISC
5、TRIG_2AGND4B-62V_4B+62V_4BAGND4ISCTRIG_4AGND4-62V_3AGND6AGND4AAGND4BAGND4-62V_4A-62V_4B-62V_4+62V_4A+62V_4B+62V_4SCHEMATIC DIAGRAM(AMP CONNECTION)1122334455667788991010P603BS10B-PH-SM3-TBP603BS10B-PH-SM3-TB1122P622HEADER 2P622HEADER 2BUS606COPPER STRIPBUS606COPPER STRIP112233445566778899P608BMOLEX 2
6、145/3215 TOP ENTRY/9PINP608BMOLEX 2145/3215 TOP ENTRY/9PIN1122P623HEADER 2P623HEADER 2112233445566778899P615BMOLEX 2145/3215 TOP ENTRY/9PINP615BMOLEX 2145/3215 TOP ENTRY/9PIN123456789101112P618BMOLEX 51021/12PIN/500mm WIREP618BMOLEX 51021/12PIN/500mm WIRE112233445566778899P609BMOLEX 2145/3215 TOP EN
7、TRY/9PINP609BMOLEX 2145/3215 TOP ENTRY/9PINBUS603COPPER STRIPBUS603COPPER STRIP112233445566778899P616BMOLEX 2145/3215 TOP ENTRY/9PINP616BMOLEX 2145/3215 TOP ENTRY/9PIN112233445566778899P610BMOLEX 2145/3215 TOP ENTRY/9PINP610BMOLEX 2145/3215 TOP ENTRY/9PIN13579111315246810121416P601BMOLEX 52207 RIGHT
8、 ANGLE/SMT/ZIF/TOP CONTACT STYLE/16PINP601BMOLEX 52207 RIGHT ANGLE/SMT/ZIF/TOP CONTACT STYLE/16PIN112233445566778899P604BMOLEX 2145/3215 TOP ENTRY/9PINP604BMOLEX 2145/3215 TOP ENTRY/9PINBUS601COPPER STRIPBUS601COPPER STRIP1122334455667788P619BMOLEX 5145-NCH TOP ENTRY/8PINP619BMOLEX 5145-NCH TOP ENTR
9、Y/8PIN112233445566778899P617BMOLEX 2145/3215 TOP ENTRY/9PINP617BMOLEX 2145/3215 TOP ENTRY/9PIN112233445566778899P611BMOLEX 2145/3215 TOP ENTRY/9PINP611BMOLEX 2145/3215 TOP ENTRY/9PIN112233445566778899P605BMOLEX 2145/3215 TOP ENTRY/9PINP605BMOLEX 2145/3215 TOP ENTRY/9PIN112233445566778899P612BMOLEX 2
10、145/3215 TOP ENTRY/9PINP612BMOLEX 2145/3215 TOP ENTRY/9PIN112233445566778899P606BMOLEX 2145/3215 TOP ENTRY/9PINP606BMOLEX 2145/3215 TOP ENTRY/9PIN13579111315246810121416P602BMOLEX 52207 RIGHT ANGLE/SMT/ZIF/TOP CONTACT STYLE/16PINP602BMOLEX 52207 RIGHT ANGLE/SMT/ZIF/TOP CONTACT STYLE/16PINBUS602COPPE
11、R STRIPBUS602COPPER STRIP112233445566778899P613BMOLEX 2145/3215 TOP ENTRY/9PINP613BMOLEX 2145/3215 TOP ENTRY/9PIN112233445566778899P607BMOLEX 2145/3215 TOP ENTRY/9PINP607BMOLEX 2145/3215 TOP ENTRY/9PINBUS604COPPER STRIPBUS604COPPER STRIP112233445566778899P614BMOLEX 2145/3215 TOP ENTRY/9PINP614BMOLEX
12、 2145/3215 TOP ENTRY/9PIN1122334455667788P620BMOLEX 5145-NCH TOP ENTRY/8PINP620BMOLEX 5145-NCH TOP ENTRY/8PIN1122P621BHEADER 2P621BHEADER 2BUS605COPPER STRIPBUS605COPPER STRIPPreliminar ySTBY+62V_4+68VSEN5+18VSEN3STBYLEDSEN1SEN2-62V_4SEN3SEN7+5VDSEN6SEN4SEN5-18V+8VISCTRIG1.7ACOUTRELAYACINISCTRIG_2PR
13、OT3-68VFAN1SEN2ISCTRIG_7DGNDSCLEDSTBYAGND4FAN2SEN5+18V+68VISCTRIG_6ISCTRIG_7ISCTRIG_3SEN7ISCTRIG_1AGND4-18VACOFFAGND6+8VSEN3-68V-62V_3AGND6-62V_4AGND4FAN3SEN6SCLEDISCTRIG_4FAN1PROT4+8VDGNDISCTRIG_4DGNDPROT7ISCTRIG_1ISCTRIG_6+62V_3PROT2+62V_4-62V_4AGND4DGNDISCTRIG_2ISCTRIG_5STBY+62V_4SEN4SEN1FAN2+62V
14、_3AGND6PROT6PROT5ISCTRIG_5FAN3PROT1AGND6ISCTRIG_3+62V_3-62V_3DGNDDGNDPROT7PROT3PROT2PROT4+5VDPROT5PROT1PROT6DGNDSCLEDDGND+12VDSTBYLED-62V_3ACOFF+68V-62V_4-18V-68V-62V_3+18V+62V_3+62V_4ACOFF+12VD-12VD-12VD+12VD+12VD+12VD+12VD+12VD+12VD+12VD+12VD+12VD+18V+18VFOR Q202FOR BR205&QT02FOR IC205FOR IC202FOR
15、 Q201FOR BR204&QT01FOR Q205FOR Q220FOR Q206FOR Q219FOR BR206&QT03CONNECT TO PROTECT ANDSOFTCLIPPING LED BOARDFOR QT04FOR Q218/1/2W/50V/80V/80V/1/2W/1/2W/1/2W/1/2W/1/2W/1/2W/1/2W/1%/1%/1%/1%/1%/1%/1%/1%/1%/1%/1%/1%/50V/50V/50V/50V/100V/100V/100V/100V/100V/100V/100V/100V/100V/100V/100V/1KV/100V/100V/1
16、00V/100V/100V/1KV/100V/100V/25V/25V/25V/25V/25V/25V/250V/250V/80V/250V/80V/50V/25V/1/2WFP/1/2WFP/100V/100V/1%/1%/1%/250V/250V/250V/250V/250V/250V/100V/250V/250V/250V/250V/80V/80V/100V/100V/100V/50V/100V/100V/100V/100V/100V/100V/100V/100VFOR IC201CONNECT TO AMP MODULE VIA CONNECTION BOARD/1/4W/1/4W/1
17、/2W/1/2W/1/2W/1/2WSCHEMATIC DIAGRAM (AMP POWER SUPPLY)HS20170-010003-0HS20170-010003-0D2154.3VD2154.3VHS20270-010003-0HS20270-010003-0D2134.3VD2134.3VC20510nC20510nC274100nC274100nR2021KR2021KR2071.5KR2071.5KO3I1G2IC201LM7812IC201LM7812R2011KR2011KR29210KR29210KR2251KR2251KQ2082SC1775Q2082SC1775R283
18、N.I.R283N.I.R2571KR2571KR26310KR26310KC22310nC22310nD2041N4148D2041N4148+C23247u+C23247uR29510KR29510KQ2112SA1015Q2112SA1015C2502.2nC2502.2n+C215100u+C215100uQ2272SD667Q2272SD667G1O3I2IC202LM7912IC202LM7912C229100nC229100nQ2102SC1815Q2102SC1815C20410nC20410n312QT0230TPS08QT0230TPS08HS21370-010003-0H
19、S21370-010003-0C22210nC22210nQ2172SD667Q2172SD667C22110nC22110n+C216100u+C216100uR26910KR26910K+-BR202DB104+-BR202DB104D2164.3VD2164.3VR206100R206100R254470R254470C206100nC206100n+C23310u+C23310u123456789101112P206B12P2.54-CP206B12P2.54-CR26410KR26410K+C20810u+C20810uR28010KR28010KC275100nC275100n+C
20、2251000u+C2251000uR273100R273100+C2143900u+C2143900u+-BR204KBJ2506+-BR204KBJ2506C22010nC22010nR2371KR2371KR226220R226220Q2142SC1815Q2142SC1815Q219KSC2690AYSQ219KSC2690AYSQ205KSC2690AYSQ205KSC2690AYSQ221N.I.Q221N.I.R28510KR28510KR26810KR26810KR2911KR2911K1122334455667788P201AHEADER 8P201AHEADER 8R282
21、N.I.R282N.I.+C24010u+C24010uD2021N4148D2021N4148D2144.3VD2144.3VC2512.2nC2512.2nF203T1.25AL/250VF203T1.25AL/250V+C24715000u+C24715000uQ2032SC1815Q2032SC1815R23410KR23410KR2551KR2551KC24210nC24210nR2042.2KR2042.2KHS20670-010003-0HS20670-010003-0321411+-IC203ATL084+-IC203ATL084C25810nC25810nR21310R213
22、10R27243KR27243KR28110KR28110K+C23510u+C23510uR22712KR22712KR2161KR2161KR29710KR29710KR2221KR2221KR26610KR26610K+C20910u+C20910uR23310KR23310KD2051N4148D2051N41481122334455667788P202AHEADER 8P202AHEADER 8Q218KSC2690AYSQ218KSC2690AYS+C21747u+C21747uR23847R23847R2783.3KR2783.3KR28810KR28810KC2462.2nC2
23、462.2nC2522.2nC2522.2nR205100R205100D2125.1VD2125.1VR23210KR23210KR24047R24047Q2242SC1815Q2242SC18151234P207B4P2.54-CP207B4P2.54-CBUS204COPPER STRIPBUS204COPPER STRIPHS20970-010002-0HS20970-010002-0D2174.3VD2174.3VC207100nC207100nR2793.3KR2793.3KD2081N4148D2081N4148D2091N4148D2091N4148+C21847u+C2184
24、7uQ2092SA872Q2092SA872Q2232SC1815Q2232SC1815R2212KR2212K121314+-IC203DTL084+-IC203DTL084C278100nC278100n+C228100u+C228100u+C25322000u+C25322000uC23047pC23047p13579111315246810121416P205BCON16AP205BCON16A+C203470u+C203470uR26510KR26510KR27043KR27043K312QT0330TPS08QT0330TPS08R2181.2KR2181.2K+-BR203DB1
25、04+-BR203DB104C271100nC271100nF201T1AL/250VF201T1AL/250VQ2042SA1015Q2042SA1015R2231KR2231K+C27910u+C27910u312QT0430TPS08QT0430TPS08BUS206COPPER STRIPBUS206COPPER STRIPD2071N4148D2071N4148R2451KR2451KR219220R219220Q2262SC1815Q2262SC18151098+-IC203CTL084+-IC203CTL0841122334455667788991010P203BHEADER 1
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