Denon-DNX300-mix-sm维修电路原理图.pdf
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1、SERVICE MANUALDJ MIXERMODELDN-X300For U.S.A., Canada, Europe, U.K.,Asia, China, Taiwan R.O.C., Korea& Japan modelTOKYO, JAPANX0212V.01 DE/CDM 0408Some illustrations using in this service manual areslightly different from the actual set.Please use this service manual with referring to theoperating in
2、structions without fail.For purposes of improvement, specifications anddesign are subject to change without notice.本文中使用、説明都合上現物多少異場合。修理際、必取扱説明書参照上、作業行。前、必読。本機、火災、感電、対安全性確保、配慮、法的電気用品安全法、所定許可得製造。従際、安全性維持、記載注意事項必守。本機仕様性能改良、予告変更。補修用性能部品保有期間、製造打切後8年。注意Ver. 1RadioFans.CN 收音机爱 好者资料库2DN-X300SAFETY PRECAUTI
3、ONSThe following check should be performed for the continued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassisresistance check. If the leakage current exceed
4、s 0.5 milliamps, or if the resistance from chassis to either side of thepower cord is less than 460 kohms, the unit is defective.(1)(2)500V1M(1)(2)RadioFans.CN 收音机爱 好者资料库3DN-X300DISASSEMBLY(Follow the procedure below in reverse order when reassembling.)1. Top Panel(1) Pull out the Knobs from the Top
5、 Panel.(2) Remove the 6 screws attaching the Top Panel.(3) Pull up the Front Panel.Note:? Be careful in the attachment direction.4DN-X3002. Crossfader Unit(1) Remove the 2 screws attaching the Crossfader Unit.(2) Pull up the Crossfader Unit and disconnect the connector.Note:? Be careful in the attac
6、hment direction.3. Channel Fader Unit(1) Remove the 3 screws attaching the Channel Fader Unit.(2) Pull up the Channel Fader Unit and disconnect the connector.5DN-X3004. Input Selector Unit(1) Remove the 2 screws attaching the Input Selector Unit.(2) Pull up the Input Selector Unit and disconnect the
7、 connector.Note:? Be careful in the attachment direction.5. Top Panel Unit(1) Remove the 6 screws from the both-sides side.(2) Remove the 2 screws from the rear side.(3) Remove the 5 screws from the front side.(4) Remove the 4 screws from the bottom side.(5) Pull up the front side of the Top Unit.(6
8、) Disconnect the connectors.6DN-X300BLOCK DIAGRAM7DN-X300SEMICONDUCTORS 半導体一覧表Only major semiconductors are shown, general semiconductors etc. are omitted to list.主半導体記載。汎用半導体記載省略。 1. ICsMAX003 (IC801)MAX003 Terminal FunctionPin No.Pin NameSymbolI/ODetInt PuExtResIniFunction1VCLVCL-VCL(capacitor bet
9、ween this pin and GND)in 5V operation models,and as Vcc in 3V operation models.2PB0CH1FSI-PuLHCH1 FADER START SW L : ON3PB1PB1O-PuLLNot used4PB2PB2O-PuLLNot used5PB3PB3O-PuLLNot used6PB4PB4O-PuLLNot used7PB5PB5O-PuLHNot used8PB6FX2SWI-PuLHPGM2 EFFECT LOOP ON/OFF SW L : ON (DN-X300 only)9PB7CHREVI-Pu
10、LHCH REVERSE SW L : ON10_RESO_RESOO-Not used11VssVss-GND(0V)12P90P90O-LLNot used13P91P91O-LLNot used14P92P92O-LLNot used15P93P93O-LLNot used16P94P94O-LLNot used17P95P95O-LLNot used18P40P40O-ON-LLNot used19P41P41O-ON-LLNot used20P42P42O-ON-LLNot used21P43PC1AI/O-ON-LHPGM1 Fader PLAY output 30msec L p
11、ulse22VssVss-GND(0V)23P44PC1BI/O-ON-LHPGM1 Fader CUE output 30msec L pulse24P45PC2AI/O-ON-LHPGM2 Fader PLAY output 30msec L pulse25P46PC2BI/O-ON-LHPGM2 Fader CUE output 30msec L pulse26P47P47O-ON-LLNot used27D8D0D/I-Data bus28D9D1D/I-Data bus29D10D2D/I-Data bus30D11D3D/I-Data bus31D12D4D/I-Data bus3
12、2D13D5D/I-Data bus75761001252650518DN-X30033D14D6D/I-Data bus34D15D7D/I-Data bus35VccVcc-Power supply(+5V)36A0A0A/O-Address bus37A1A1A/O-Address bus38A2A2A/O-Address bus39A3A3A/O-Address bus40A4A4A/O-Address bus41A5A5A/O-Address bus42A6A6A/O-Address bus43A7A7A/O-Address bus44VssVss-GND(0V)45A8A8A/O-
13、Address bus46A9A9A/O-Address bus47A10A10A/O-Address bus48A11A11A/O-Address bus49A12A12A/O-Address bus50A13A13A/O-Address bus51A14A14A/O-Address bus52A15A15A/O-Address bus53A16A16A/O-Address bus54A17A17A/O-Address bus55P52_FX1ONO-ON-LHPGM1 EFFECT LOOP enabler L : enabler (DN-X300 only)56P53_FX2ONO-ON
14、-LHPGM2 EFFECT LOOP enabler L : enabler (DN-X300 only)57VssVss-GND(0V)58P60LEDFX1O-PuLHPGM1 EFFECT LOOP LED control. (DN-X300 only)59P61LEDFX2O-PuLHPGM2 EFFECT LOOP LED control. (DN-X300 only)60P62FX1SWI-LHPGM1 EFFECT LOOP ON/OFF SW L : ON (DN-X300 only)61P67P67I-HHDN-X100/300 program selected Pin L
15、 : DN-X30062_STBY_STBY-HWhen driven low,this pin forces a transition to hardware standby mode.63_RES_RES-Reset signal L : Reset 64NMINMII-Pu-HNot used65VssVss-GND(0V)66EXTALEXTAL-OSC 16MHz67XTALXTAL-OSC 16MHz68VccVcc-Power supply(+5V)69_AS_AS-Not used70_RD_RDO-Goes low to indicate reading from the e
16、xternal address space71_HWR_HWR-Not used72P66JDETI-LHCheck Send Return jack inserted 73MD0MD0I-IC Operating mode control 74MD1MD1I-IC Operating mode control 75MD2MD2I-IC Operating mode control 76AvccAvcc-Power supply pin for the A/D converters(+5V).77VrefVref-Reference voltage input pin for the A/D
17、converters(+5V).78P70,AN0CH1FADERI-Hi-zCH1 FADER VR A/D converter79P71,AN1CFFADERI-Hi-zCROSS FADER VR A/D converter80P72,AN2CH2FADERI-Hi-zCH2 FADER VR A/D converter81P73,AN3CH1CUREVI-Hi-zCH1 FADER CONTOUR VR A/D converter82P74,AN4CFCUREVI-Hi-zCROSS FADER CONTOUR VR A/D converter83P75,AN5CH2CUREVI-Hi
18、-zCH2 FADER CONTOUR VR A/D converter84P76,AN6AN6I-Hi-zNot used85P77,AN7AN7I-Hi-zNot used86AvssAvss-Ground pin for A/D converters(0V).87P80P80O-PuLLNot usedPin No.Pin NameSymbolI/ODetInt PuExtResIniFunction9DN-X30088P81P81O-PuLLNot used89P82P82O-PuLLNot used90P83CH1REVO-PuLHCH1 FADER REVERSE SW L : O
19、N91P84,_CS_CEO-LLChip select signal.92VssVss-GND(0V)93PA0CFREVI-PuLHCROSSFADER REVERSE SW L : ON94PA1CH2REVI-PuLHCH2 FADER REVERSE SW L : ON95PA2CH2FSI-PuLHCH2 FADER START SW L : ON96PA32CFSI-PuLHCROSSFADER START B SW L : ON97PA4C1O-LHPWM output control PGM1 volume98PA51CFSI-PuLHCROSSFADER START A S
20、W L : ON99PA6C2O-LHPWM output control PGM2 volume100PA7PA7O-PuLLNot usedPin No.Pin NameSymbolI/ODetInt PuExtResIniFunction10DN-X300LB1482M (IC701)TC4053BF (IC507)NJM2060 (IC105, 106, 205, 206, 952)LB1482M123456789101112131415212019181716272625302928242322PHD1CH2 INOSCNCVcc1Vcc2MUTECH1 INCR18P/5PAC/D
21、CA GNDDC INCR2O9O10O11O12D2NCO3O4O5GNDO1O2O6O7O8AC IN (1)AC IN (2)DC INInsidereferencevoltageOSCLOGICCONTROLPEAK HOLDLOGICCONTROLSWITCHERO1D1Vcc2(Power system)8P/5PACDCP/HMUTEOSCGNDVcc1A GNDCH1 INCH2 INDC INCR1CR2(Signal system)O2D2O3O4O5O6O7O8O9O10O11O12192728293017161423456789101112131241823222125
22、26IYOYIZZ-COMOZINHVEEVss12345678161514131211109VDDY-COMX-COMIXOXABC1A OUTPUTB OUTPUTV+A +INPUTB +INPUTA -INPUTB -INPUTD OUTPUTC OUTPUTV-D +INPUTC +INPUTD -INPUTC -INPUTADBC23456714131211109811DN-X300THAT2180 (IC111, 112, 211, 212)1M FLASH MEMORY (IC802)ADG212A (IC113, 213)BD4745G (IC803)BIAS CURRENT
23、COMPENSATIONVbeMULTI-PLIEROutputSymIsetV-VccEc+Ec-IadjInputGnd723845162k25Pin NameSIP PinInput1Ec+2Ec3Sym4V5Gnd6V+7Output814321 32 31 30IOIOGNDIOIOIOIO1312111098765IOA0A1A2A3A4A5A6A721222324252627282914 15 16 17 18 19 20IOCEA10OEA11A9A8A13A14A12A15A16NCVCCWENCIN1S1D1S2D2S3D3S4D4IN2IN3IN412345678IN1D
24、1S1VSSGNDS4D4IN4IN2D2S2VDDVLS3D3IN316151413121110912354NCSUBGNDVccVout12DN-X300PRINTED WIRING BOARDSMIXER P.W.B. UNITCOMPONENT SIDE13DN-X300FOIL SIDE14DN-X300OUTPUT P.W.B. UNITCOMPONENT SIDEFOIL SIDE15DN-X300JACK P.W.B. UNITFOIL SIDECOMPONENT SIDE16DN-X300CPU P.W.B. UNITCOMPONENT SIDEFOIL SIDE17DN-X
25、300REVERSE P.W.B. UNITPHONE P.W.B. UNITFOIL SIDEFADER START P.W.B. UNITCOMPONENT SIDECOMPONENT SIDECH VR P.W.B. UNITTRANS P.W.B. UNITCOMPONENT SIDECOMPONENT SIDECOMPONENT SIDEFOIL SIDE18DN-X300NOTE FOR PARTS LIST5%1/4W1/16WssssssssssssRD :2B : 1/8 WF :1%P:RC :2E : 1/4 WG :2%NL :RS:2H : 1/2 WJ :5%NB
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