Akai-A4183-dvd-sm维修电路原理图.pdf

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1、Model:A-4182A-4183DVD PLAYERRadioFans.CN 收音机爱 好者资料库SERVICE MANUAL1. The System Block Diagram&the Blocks Function Description2. Schematic Circuit Diagram3. Critical Components List4. IC Date Sheet&IC Description5. Service Tools and EquipmentRadioFans.CN 收音机爱 好者资料库1. The System Block Diagram & the Blo

2、cks Function Description DVD System Block AC to DC POWERBOARD(TEA1521P) CONTROL BOARDHD6928+GT60241DECODE BOARDMTK1389E LOADER LN9815H2 HITICHI 1200RadioFans.CN 收音机爱 好者资料库5544332211DDCCBBAAMIC INPUTR & C closed to MT1389EMUTE !#!SUB+12V+12VLMAIN1LCH+12VRMAIN1+12VLCHRCHLSCHRSCHCENTSUBSUBW1RSUR1MIC_IN

3、AKIN2MIC_INAKIN1ALLMAIN1ASUBWSUBW1AKIN1AKIN2DV33VCCGNDLSCH+12VLSUR1-12V-12V-12V-12V-12VMIC_INMUTE_OOK-POINT+VCCMICINA_MUTEA_MUTEA_MUTEA_MUTERSUR1ARSRSCHDV33ALMUTE_DACARSACENTERALSARASUBWCENTER1ACENTERLSUR1ALSRMAIN1ARVCCMUTE_OAKIN2AKIN1OK-POINTA_MUTERCHLCH4RCH4LSCH4RSCH4CENT4SUB4AKIN12AKIN22DV331,2,3

4、VCC1,2,4GND1,2,3,4AR2ACENTER2ARS2AL2ALS2MUTE_DAC2ASUBW2MUTE_O2OK-POINT2VCCDV33-12V+12V-P12V+P12V+VCCVCCC74100pFR811kC950.33uFCB610.1uFR1185.1kR1265.1kR143100+C7910uF/16v+-U12BNJM4558 OPA56784+-U13ANJM4558 OPA32184C880.1uF+C6610uF/16vR1145.1kC70100pFCB600.1uF+C8010uF/16vR13931kC65100pFR794K7R119100C9

5、30.1uFC89100pFQ16132+C6710uF/16vR1730Q19132R11231kCB570.1uF+-U12ANJM4558 OPA32184C78100pF+-U15BNJM4558 OPA56784+-U13BNJM4558 OPA56784CB560.1uF+C7110uF/16vC771000pFR11310kR1045.1kR12510kR751KR127100J116x1 W/HOUSINGHEAD6-100654321C941000pFQ72001123Q12132R10310kR115100C681000pFR140100Q13132CB590.1uFR94

6、31k+C7210uF/16vCB580.1uFC731000pF+C9110uF/16vC831000pFR144100R11631k+C7510uF/16vR1720R12231k+C9210uF/16vR14110kQ14132R11710kR107100R77100C900.33uFR1425.1k+C7610uF/16v2. Schematic Circuit DiagramRadioFans.CN 收音机爱 好者资料库5544332211DDCCBBAA3906CEBNote:Video is the high resistance output$%&()*+,-./012Modi

7、fy3ValueS-VIDEOCOMPOSITGCVBSRVBCENTRSCHLSCHSUBLCHRCHASPDIFRSYR/VA21RGB_SWITCHVCCGNDVBGRCHLCHRSCHSUBCENTLSCHB/UG/YRCHCOAXIALR/VLCHSYSCCVBSO+5VVFS0CVBSCVBSOR/VSCART_CVBSOSCB/UG/YB/URCHG/YSCART_CVBSORGB/CVBS#ASPECTLCHG2R2CVBS2VB2ASPDIF2LCH5RCH5LSCH5RSCH5CENT5SUB5A212RGB_SWITCH2VCC1,2,5GND1,2,3,5FS02+5V

8、VVCC+5VV+5VV+5VV+5VV+5VV+5VV+5VV+5VV+5VV+5VVD291N414812R80L27 1.8uHL2010uHD211N414812Q103906R91150,1%C10547PC5747PD281N414812L231.8uHD201N414812D221N414812L28 1.8uHR760/NCR90150,1%Q113906C480.1uFC5847PQ63906Q233906D271N414812R87P11VIDEOPORT213456789C10047PR890/NCD261N414812C491uFR78150,1%D251N414812

9、L26 1.8uHC6347PD241N414812R84150,1%C5047uF/16vR7475,1%R1590/NCR880/NCC6447PJ9SCART,PH2.0-10A12345678910Q83906C10147PP10RCA-AV6123456789P8RCA-AV6123456789C10447PD231N414812R820/NCRadioFans.CN 收音机爱 好者资料库5544332211DDCCBBAA16Mb5V3.3VIICDRAMFLASHFLASH32MbDRAMBOM45A9A3AD3A1A19A4AD6AD1A17A16A13A14AD0A2A6A8

10、A18AD7A7AD5A12A15A10AD2AD4A11A5A0DBA1DQ8DQ14MA11DRAS#MA2DQ15MA5DQ10MA4DQ13MA8DBA0DQM1DCS#DQ9SDCLKMA9DQ11MA3MA6DQM0MA7MA0DCAS#DWE#MA10SDCKEDQ12MA1A20AA20AA21A21PRD#PWR#AA20AA21DQ2DQ5DQ1DQ6DQ4DQ3DQ0DQ7PCE#DQ6DQ11DQ0DQ7DQ3DQ2DQ5DQ10DQ12DQ13DQ8DQ9DQ1DQ15DQ4DQ14SDCLKSDCKEDRAS#DWE#DBA1DCAS#MA0MA8MA1MA3MA4

11、MA2MA5MA9MA10MA6MA7DBA0DQM1DQM0SDAAD0.7DQ0.15SCLPRD#PWR#PCE#GNDSCLSDASDASCLSD33SD33PCE#DWE#WE#DCS#RAS#DCAS#CS#DRAS#CAS#DBA0BA0DCKEDBA1BA1SDCLKSDCKEA0.21CAS#RAS#CS#WE#MA0.11BA0.1DQM0.1DCLKDCKEGNDDV33VCCDCLKSD33DQ0.152SCL2,3AD0.72SDA2,3PCE#2PRD#2PWR#2A0.212CAS#2WE#2CS#2RAS#2MA0.112DQM0.12BA0.12DCLK2DC

12、KE2DV331,2,5GND1,2,4,5VCC1SD332FVCCSD33SD33DV33SD33SD33SD33FVCCFVCCFVCCFVCCSD33SD33SD33DV33FVCCVCCCB490.1uFR1110R850L29 FBCB400.1uFC10710PFR6133CB520.1uFC0603/SMDR6333CB460.1uFU7ESMT M12L16161A-71234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950VCCDQ0DQ1VSSQD

13、Q2DQ3VCCQDQ4DQ5VSSQDQ6DQ7VCCQDQMLWECASRASCSBA/A11A10A0A1A2A3VCCVSSA4A5A6A7A8A9NCCKECLKDQMHNCVCCQDQ8DQ9VSSQDQ10DQ11VCCQDQ12DQ13VSSQDQ14DQ15VSS+CE2547uF/16vCB510.1uFU9IC FLASH MX29LV800 8Mb25242322212019188102847162931333572638404244303214363941434537271193446645321481712A0A1A2A3A4A5A6A7A8A20OEBYTEA18

14、D0D1D2D3A9CED4D5D6D7D8D9WP/ACCD11D12D13D14D15/A-1VCCGND1WEA19D10GND2A10A12A11A13A14A15A16A17RESETU8ESMT M12L64164A/N.CTSOP(II)-54/SMD124125798104611131516171819352223242526144129303132333436373839404342445245474948505153542021362728VCCDQ0DQ1VSSQDQ2DQ3VCCQDQ4DQ5VSSQDQ6DQ7DQMLWECASRASCSA11A10/APA0A1A2

15、A3VCCVSSA4A5A6A7A8A9NCCKECLKDQMHNCVCCQDQ8DQ9VSSQDQ10DQ11VCCQDQ12DQ13DQ14DQ15VSSBA0/A13BA1/A12VCCQVSSQVCCVSSR690R7010kCB430.1uFCB480.1uFR66NCCB370.1uFCB290.1uFU11EEPROM 24C16SOP8/SMD12345678NCNCNCGNDSDASCLWPVCCRN133x412345678CB450.1uFCB530.1uFR671kCB380.1uFCB470.1uFR6810kCB500.1uFR6233CB410.1uFCB390.

16、1uFR651kR6033R64NC+CE2647uF/16vCB440.1uFRadioFans.CN 收音机爱 好者资料库5544332211DDCCBBAAIICGVIDEO INTERFACEC2SK30182N3904BFLASHAUDIO INTERFACE332SB1132132EC12EMEMORY1DBSCC15 closed to Pin189/190RS-232Very Importantto reduceNoiseDMSOPCE#V1P4FOSOTRSODWE#AD0.7SCLSP+SL-BRAS#ASPDIFPRD#PWR#CSL+DCLKDCKEFMSOT-SP-A

17、SDACAS#OP-BCS#BA0.1DQM0.1PWR#PCE#V20V1P4JITFOADINA5A11A19AD7V20LDO1DBA0DCLKMA11MA9MA5AD0TEZISLVADINA7WE#RAS#MA6PCE#VSCKRFVDD3AD6CS#A16A13A10FMOCOPOMA7MA4OP+FEMA3A6DMOV2P8DQ8BA1MA0DCKEPRD#AD3V2P8DQM1MA1A1AD1A12FOOCAS#MA10RFVDD3AD2AD5A14A9JITFNTROPWR#A20OP-OPOOP+A4A8TROPENLDO2ADACVDD3A2A0AD4A15RFV18MA

18、2MA8A3V1P4PLLVDD3A17SDAMDI1SP-SL+SL-V18A21VSDASCLVSTBRXDTXDURST#IRDQ12DQ10DQ9DQ2DQ0DQ14DQ1DQ4DACVDD3FSVREFTRINRFVDD3JITFOJITFNXOXIXTALIPLLVDD3APLLVDD3APLLVDD3ADACVDD3ALARRVBGCVBSMUTE_DACSTBYMUTE_DACCVBSRGVBALARDQ7DQM0DQ6DQ5ASPDIFDACVDD3ADACVDD3ADACVDD3ADVCMAKIN2AKIN1AADVDD3ARSALSACENTERASUBWALSARSAC

19、ENTERASUBWVSTBVSDAVSCKRFV18AADVDD3DV33TRCLOSEI/ORGB_SWITCHA21URST#VCCAKIN1AKIN2IRDV33GNDDQ3DQ11MA0.11DQ0.15DQ13DQ15TxDRxDV1P4V1P4V1P4TRINLOAD+TROUTLOAD-TROUTLIMITV18A0.21A18FS0FS0RFVDD3DACVDD3RFVDD3RFV33RFV33SD33MUTE_OMUTE_OSD33OK-POINTOK-POINTRGB_SWITCHLDO1MDI1BDV20ACFMDI2F-ELDO2RFOMDI2STBYF+T+RFOI

20、/OLIMITSP+SDA3PCE#3ASPDIF4SCL3PRD#3PWR#3WE#3CS#3RAS#3CAS#3DCKE3DCLK3AD0.73PCE#3PWR#3BA0.13DQM0.13CVBS4R4G4VB4AL5AR5ALS5ARS5ACENTER5ASUBW5VSCK1VSTB1VSDA1MUTE_DAC5RGB_SWITCH4A214URST#1VCC1,4,5AKIN25AKIN15IR1DV331,3,5GND1,3,4,5DQ0.153MA0.113A0.213FS05SD333MUTE_O5OK-POINT5I/O 1 VCCMO_VCCMO_VCCMO_VCCV18V

21、18RFV33V18DV33SD33V18DV33ADACVDD3V18DV33DV33SD33DV33DV33DV33DV33DV33DV33DV33VCCL37 FBC90.1uFC150.47uF/N.CCB270.1uFC321uFR1784.7J2PH2.0-4A1234J4PH2.0-5A12345TOPJ51234567891011121314151617181920212223242526CB310.1uF+EC347uF/16VCB160.1uFCB200.1uFL31 FBC301uFC291uF+CE36100uF/16v+CE12100uF/16vDC100BC1710

22、00pFCB240.1uF+EC247uF/16VR231C70.01uFCB330.1uFR1564.7KC42200pFCB150.1uFR16150kR262KCB100.1uF+CE1647uF/6.3vR5810kL38FBC270.1uFC131500pFR15150kL101.8uHCB140.1uFC360.1uFR20NC+CE19100uF/16vR5410kC3390pFR431CB640.1uFC44150pFR1794.7J15PH2.0-2A21R5210kCB260.1uFQ308550213U41910123215714132119202427645288111

23、71816232225262930VINFCPVCC1PGNDVOSL+CF2CF1VOTK+VNFFCVOFC+VOFC-PVCC2PGNDVNFTKCTK2BIASVOSLVINSL+VINSL-STBYVCCVOSL-VOLD+VOLD-VOTK-VINLDPREGNDCTK1VINTKG1G2R5320kC50.1uF/NCCB300.1uFC331uFL1110uHBEAD/SMD/0805R17680k+CE1747uF/6.3vC216800pFC0603/SMDR5520kR421CB170.1uFR17710CB220.1uF+CE1347uF/16vR11680k+CE24

24、47uF/16vC1091uF+CE1547uF/16vCB340.1uFCB180.1uFC43150pFC108100NFR1815kC230.033uFCB230.1uFCB130.1uFCB280.1uFC340.1uFR451+EC1100uF/16VCB360.1uFC311uFC240.047uFCB320.1uFR13100kR17610L30 10UHMT1389EPin Assignment v1.4U3MT1389ELQFP216/SMD22103451212213678910111213141516171819202122232162827302932314326253

25、334353642414539404638376564626160595852817776557473727163835354705782756668806956678485868788899091929394951069697204205989910010110210310410510710816216116015915815715615515415315215115014914814714614514414314214114013913713813613513413313213113012912812612712512412312212112011811911711611511411311

26、1112110109209215242141911891981972082071962112062032012022001991941951921841851821811801791861781771751731741641711701691681721671661651631934447484950517879176183188190187DVDACRTPLPDVDBDVDCDVDDAGNDOSPOSNDVDRFIPDVDRFINMAMBMCMDSASBSCSDCDFONCDFOPTNITPIMDI1MDI2LDO2LDO1AVDD3V2REFOSGNDVREFOV20TEOFEOFG/AD

27、IN1RFLVL/RFONCSO/RFOPTEZISLVOP_OUTOP_INNOP_INPFOOTROGPIO1/HSYNC#TROPENPWMPWMOUT1/ADIN0GPIO2FMODMOHIGHA2HIGHA3HIGHA5HIGHA6DVDD3HIGHA7A16IOA6AD7AD5AD4IOA18DVSSAD2AD1AD0HIGHA4IOA0IOA7HIGHA0IOOE#IOWR#A17AD3HIGHA1IOCS#ALEIOA1IOA19IOA20DVDD18UWR#URD#DVDD3UP1_2UP1_3GPIO6UP1_4UP1_5UP1_6UP1_7UP3_0RD6UP3_1UP3

28、_4ADCVDD3ADCVSSUP3_5GPIO7ICEPRST#IRINT0#DQM0#RD7RD5DVDD3FSVREFDACVDDCSPDIFMC_DATAASDATA3ASDATA2ASDATA1ASDATA0ALRCKACLKABCKGPIO5DVSSGPIO4GPIO3DVDD18RA4RA5RA6RA7RA8RA9RA11DVDD3CKERCLKRA3RA2RA1DVDD18RA0RA10BA1BA0RAS#RCS#CAS#RWE#DQM1RD8RD9DVSSRD11RD10RD12RD13RD14RD15RD0RD2RD1RD3RD4HRFZCIREFSVDD3RFGCRFGN

29、D18ADACVDD1IDACEXLPPLLVSSRFRPACRFRPDCJITFNRFGNDRFVDD3LPFOPLPFIPLPFINLPFONPLLVDD3XTALIJITFORFVDD18AR/SDATA1AVCMARF(SW)ADACVSS2ADACVSS1APLLVSSAL/SDATA2APLLCAPAPLLVDDAKIN1AKIN2ADVCMCVBSR/Cr/CVBS/SYB/Cb/SCDACVSSAG/Y/SY/CVBSAADVSSDACVDDADACVSSBDACVDDBDACVSSCXTALOGPIO0/VSYNC#IOA2DVDD18IOA3IOA4IOA5AD6IOA21

30、AADVDDARSALF(CTR)ADACVDD2ALS/SDATA0R441+C1110uF/6.3vR2410kC260.1uFC124.7uF/10v+CE1847uF/6.3vC144.7uF/10vC162200pFR196.8R120CB210.1uFC1020pFR1010CB110.1uFC200.1uFC250.047uFR9750kQ318550213J3PH2.0-4A4321C60.1uFC82200pF+CE14100uF/16vC286800pFC0603/SMDCB250.1uFR5010kC220.1uFCB120.1uFR5120kCB620.1uFRadio

31、Fans.CN 收音机爱 好者资料库5544332211DDCCBBAACOMMON1389E_HD60_V3Audio DACMT1389EAudio 3.3VDEVICEDateDVDD3TYPEDigital 1.8VDigital 3.3V2 MT1389EOP AMP.NAMEDV33HistoryAudio +12VDigital 5VAudio DACServo 3.3VRevAudio 5VMT1389EVCCV1Digital 3.3VSDRAMRFV33SD33AVDD5P#1 INDEX & POWER, RESETMT1389E4 VIDEO OUT & AV-CONS

32、UPPLYV18+12V-12VAudio -12VOP AMP.AV33Laser Diode 3.3V3 SDRAM & FLASH5 AUDIO OUT - WM87662005.01.19MT1389E (LQFP216) DVD MP BoardforSANYOHD60PUHReserved for testingInitial released. Modified from 3-SY1389DP1-V11RESET CircuitOpen IR1 , if used VFDV2Add SCART and VGA output 2005.03.01V3Modify Video bac

33、kend circuit.2005.03.09VSDA Pull UP-12VVCCDV33+12VURST#IRVCCURST#DV33IRVSTBVSCKVSDASCLSDAV18V33V33SD33I/OSD33VSDAVSTBVSCKIRVCCIRVCCI/OGNDVSDAI/OGND 2,3,4,5VCC 2,4,5 URST# 2 DV33 2,3,5IR 2 VSCK2VSDA2VSTB2SCL2SDA2SD333I/O 2 +12V-12VDV33V18+P12V-P12V+VCCV33VCCSD33VCC-P12V+VCC+P12VV33+VCCSD33TP2+CE4100u

34、F/25v+CE7100uF/16v+CE10100uF/16vCB10.1uFC0603/SMDC1100pFD91N4007CB60.1uFL32 FBFM1R310kFM2L36 FBCB80.1uFCON2TJC3-6AHEAD6-100123456R210+CE6100uF/16V+CE110uF/10v+CE910uF/16vDC100BL35 FBL34 FBCB50.1uFCB70.1uFR110C210uF/16vDC100BJ1PH2.0-7A1234567U1123ADJ/GNDOUTINCB30.1uFD31N4148+CE5100uF/25vTP1R2110kL33

35、FB+CE2100uF/16vCB40.1uFR610kD111N4007RadioFans.CN 收音机爱 好者资料库123465ABCD654321DCBA2RK013RK014RK015RK516R0741RK11012C1011C6C4011013C4CV61 / FU0225CV61 / FU0222D10041DDEL2S4S3S1234567891 01 11 21 31 41 51S861234567891 01 11 21 31 41 51 61 71 81 92 02 12 22 32 42 52 62 72 81U8296DHMERMER1234561NOCRadioFa

36、ns.CN 收音机爱 好者资料库123465ABCD654321DCBA7 00 4N I1D7 00 4N I2D7 00 4N I3D7 00 4N I4D12V0 52 LA2F12346DFL1CV0 04 / FU221X1RK0 741T5 2T2RK0 012CK1 / 3 015D70 1REH123456781C IP1 25 1AET8RK6 . 55R112437C7 186D8 41 4N I3R013C3 741 1C1 034RK10 1RK10 1D0 638CFU00 221L0 1CFU0 229DV9 . 39R287D8 41 4N I8D8 41 4N

37、I7CFU0 229CFU0 223L2LV21 -V2 1+V5+WSNI CANI CARadioFans.CN 收音机爱 好者资料库SingingAppellationS29AL008070TF102ICV36V1616100TC-7ICD5888SICMT1389DE-EIC3.Critical Components ListHD6928ICTEA1521PICGT-60241DISPLAYRadioFans.CN 收音机爱 好者资料库Version 1.5 MT1389E Specifications are subject to change without notice Pin

38、Assignment2004/12/14 Abbreviations: SR: Slew Rate PU: Pull Up PD: Pull Down SMT: Schmitt Trigger 4mA16mA: Output buffer driving strength. Pin Main Alt. Type Description RF Interface (26) 191 RFGND18 Ground Analog ground 192 RFVDD18 Power Analog power 1.8V 212 OSP Analog output RF Offset cancellation

39、 capacitor connecting 213 OSN Analog output RF Offset cancellation capacitor connecting 214 RFGC Analog output RF AGC loop capacitor connecting for DVD-ROM 215 IREF Analog Input Current reference input. It generates reference current for RF path. Connect an external 15K resistor to this pin and AVSS

40、 216 AVDD3 Power Analog power 3.3V 1 AGND Ground Analog ground 2 DVDA Analog Input AC coupled input path A 3 DVDB Analog Input AC coupled input path B 4 DVDC Analog Input AC coupled input path C 5 DVDD Analog Input AC coupled input path D 6 DVDRFIP Analog Input AC coupled DVD RF signal input RFIP 7

41、DVDRFIN Analog Input AC coupled DVD RF signal input RFIN 8 MA Analog Input DC coupled main-beam RF signal input A 9 MB Analog Input DC coupled main-beam RF signal input B 10 MC Analog Input DC coupled main-beam RF signal input C 11 MD Analog Input DC coupled main-beam RF signal input D 12 SA Analog

42、Input DC coupled sub-beam RF signal input A 13 SB Analog Input DC coupled sub-beam RF signal input B 14 SC Analog Input DC coupled sub-beam RF signal input C 15 SD Analog Input DC coupled sub-beam RF signal input D 16 CDFON Analog Input CD focusing error negative input 17 CDFOP Analog Input CD focus

43、ing error positive input 18 TNI Analog Input 3 beam satellite PD signal negative input 19 TPI Analog Input 3 beam satellite PD signal positive input ALPC (4) 20 MDI1 Analog Input Laser power monitor input 4. IC Date Sheet & IC DescriptionRadioFans.CN 收音机爱 好者资料库 MT1389E PRELIMINARY, SUBJECT TO CHANGE

44、 WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE 2MTK Confidential AMTK Confidential A Pin Main Alt. Type Description 21 MDI2 Analog Input Laser power monitor input 22 LDO2 Analog Output Laser driver output 23 LDO1 Analog Output Laser driver output Reference Voltage (3) 28 V2REFO Analog output Refere

45、nce voltage 2.8V 29 V20 Analog output Reference voltage 2.0V 30 VREFO Analog output Reference voltage 1.4V Analog Monitor Output (7) 24 SVDD3 Power Analog power 3.3V 25 CSO RFOP Analog output 1) Central servo 2) Positive main beam summing output 26 RFLVL RFON Analog output 1) RFRP low pass, or 2) Ne

46、gative main beam summing output 27 SGND Ground Analog ground 31 FEO Analog output Focus error monitor output 32 TEO Analog output Tracking error monitor output 33 TEZISLV Analog output TE slicing Level Analog Servo Interface (8) 204 ADCVDD3 Power Analog 3.3V power for ADC 205 ADCVSS Ground Analog gr

47、ound for ADC 206 RFVDD3 Power Analog power 207 RFRPDC Analog output RF ripple detect output 208 RFRPAC Analog Input RF ripple detect input (through AC-coupling) 209 HRFZC Analog Input High frequency RF ripple zero crossing 210 CRTPLP Analog output Defect level filter capacitor connecting 211 RFGND G

48、round Analog Power RF Data PLL Interface (9) 195 JITFO Analog output Output terminal of RF jitter meter 196 JITFN Analog Input Input terminal of RF jitter meter 197 PLLVSS Ground Ground pin for data PLL and related analog circuitry 198 IDACEXLP Analog output Data PLL DAC Low-pass filter 199 PLLVDD3

49、Power Power pin for data PLL and related analog circuitry 200 LPFON Analog Output Negative output of loop filter amplifier 201 LPFIP Analog Input Positive input terminal of loop filter amplifier 202 LPFIN Analog Input Negative input terminal of loop filter amplifier 203 LPFOP Analog Output Positive

50、output of loop filter amplifier Motor and Actuator Driver Interface (10) RadioFans.CN 收音机爱 好者资料库 MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE 3MTK Confidential AMTK Confidential A Pin Main Alt. Type Description 34 OP_OUT Analog output Op amp output 35 OP_INN