NAD-M50-nmp-sm 维修电路原理图.pdf

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1、NADSERVICE MANUALM 50 M 50 Digital Music Player Digital Music Player RadioFans.CN 收音机爱 好者资料库polyfoam(down)Polyfoam(up)BatteriesAccessory BoxREMOCONShipping BoxGift BoxQuick Start GuideM50 Packing Accessory SectionAC CordRadioFans.CN 收音机爱 好者资料库M50 EXPLODED VIEWSS012S013S014S015S016S017S020S019F001F00

2、2F003F004F005F006F007F008F009F010F011F012F013F014F015F016F017F018F019R001R002T001T002T003R004R005R003FP01FP02C001C003C002C004F020F022F024F025F023F021S001S002S002S003S004S005S006S007S008S008S010S009S011S018REF.NO.PART NO.DESCRIPTIONQty.REF.NO.PART NO.DESCRIPTIONQty.C00167-210003-1 Chassis1FP0175-2100

3、01-0 VFD Bracket1C00201-65010-00 Decode Board with SD Card 1 FP02 66-048002-0 IR Bracket 1C00301-65002-01 Power Board1C00483-043001-0 Foot Assembly4S00161-023208-0 Self Taping Screw (BTB3X8)6S00261-023206-0 Self Taping Screw (BTB3X6)9F00170-210012-0B Fascia21S00361-022506-6 Machine Screw (MB2.5X6-Ni

4、)2F00270-051002-0 Ring Cursor1S00461-023616-0 Self Taping Screw (TBBT316)4F00376-151001-0 VFD Window 1S00561-224512-1 Hex Head Screw (M4X12)8F00486-046001-0 Led Lens Gum1S00661-224508-1 Hex Head Screw (M4X8)8F00587-048003-0 Power Button Pad2S00761-063106-0 Self Taping Screw (STF3X6)4F00676-008001-0

5、Led Lens 1S00861-023106-2 Self Taping Screw (STB3X6)9F00770-048013-0 Power Button1S00961-083506-1 Machine Screw(MPW36-Ni)7F00892-048001-0 Spring for Button6S01061-023508-2 Machine Screw(MB3X8-Ni)2F00977-051001-1 Cursor Holder1S01163-010303-0 Copper Washer2F01087-048002-0 Input Button Pad4S01261-0231

6、04-0 Self Taping Screw (STB3X4)4F01170-048012-1 Input Button2S01361-092506-0 TGM-17SW4F01270-051006-1 Stop-Menu Button2S01461-022510-0 Machine Screw(MB2x10-Ni)2F01370-051007-0 Enter Button1S01561-023506-0 Machine Screw(MB3X6)1F01401-65003-00 FPP1S01661-024108-1 Self Taping Screw (STB4X8)4F01570-2100

7、01-0A Fascia11S01761-246508-1 Machine Screw (MB6X8-Cr)4F01686-046002-0 Fascia Padding2S01863-010408-0 Plain Washer( 4)1F01767-210001-0 Subfascia1S01963-020411-0 Spring Washer( 4)1F01886-001004-0 2mm Rubber Pad 3S02062-010402-0 Nut( M4)1F01901-65004-00 USB Board1F02067-210004-0 DVD-Rom Bracket1F02179

8、-210002-0 DVD-Rom Bottom Cushion1F022J36-07690-01 Optiarc DVD/CD-Rewritable Driv1F02385-210002-0 Anti-Vibrate Grommet4F02485-210001-0 PCB Spacer2F02501-65005-00 SATA Connector Board1R00167-210002-0D Rear Panel 1R00229-44600-00 RF Cable Assembly1R00330-34702-00 Antenna1R004A11-01101-03 Rocker Switch

9、1R005A17-07103-12 AC Inlet 1T00167-051002-2 Top Cover1T00289-019015-0 CR Pad1/2x2T00376-046001-0Screw Washer4M50 EXPLODED VIEW PARTS LISTFreescaleiMX.515 ProcessorUSB-H1 PHYUSB33173-port USB HUBSATA bridge GL830Optiarc CD/DVD Driver32-bit DDR-2128MB X 2 DDR-2SD/MMC-14/8-bit (BOOT)SG-1091 WIFI USB251

10、3/4ADV7511Atmel Atmega44IR SENSORKEYPADMains SMPSstbandbyAC INPOWER ManagementMC13892DDR2 POWERMC347135V5VOPTICAL OUTPUTCIG128X3201VFDPIC18F26K20DPP BOARDMCULAN-H1 PHYLAN8700EthernetUSB Host Type A (Mass Storage Class), Rear PanelUSB Host Type A (Mass Storage Class), Front PanelBLOCK DIAGRAMKP_ROW0K

11、P_ROW1KP_ROW2KP_ROW3KP_COL0KP_COL1KP_COL2R10054.7KR10064.7KR10074.7KR1000NCR1001NCR1002NCR1003NC2V772V77R101110RJC1008470nZD1G2V3U1000GP1UV701QSGNDGNDIRIN+5VC1004100nFC100747u/16GNDLED_CON2KP_ROW0KP_ROW1KP_ROW2KP_ROW3KP_COL0KP_COL1KP_COL2GNDGNDIRINLED_CON123456J1001CON6+5VGND2V773V3VS1000MENUS1003SCAN S1004ENTERS1005SCAN S1007STOP/OPENS1002SKIP R816CN803C804C805C806A16-65004-21C1019Skip S1001SCAN S1000MENUS1005S1002S1004Skip EnterS1003S1006C1026C1023C1022FPPP & USB & SATA BOTTOM LAYERSMPS TOP LAYERSMPS BOTTOM LAYER