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1、ABCDEFGHIJ1234567RX-V863/HTR-6180/DSP-AX863/DSP-AX863SE87SELMCKADSDOMD/CD-RIC68DAFL/DAFRRecOUTVCRHDMIOPTICALOUTINCOAXIALDVRDVDTISD_CIC69DAC/DASWTISD_SIC70DASL/DASRV-AUXSPDIFTISD_SBIC71 DASBL/DASBRMD/CD-RDVDDTV/CBLCDDVDADSDOIC67YPAO MICSiriusXMIC72IC44DSPD70YE101TC74VHC2C89057WTC74VHCU04IC4964M SDRAM
2、IC5116M Flash ROMDecoderPostProcessorIC62SelectorIC658ch DACIC642ch DACIC45, 46SelectorDIRSelector IC41DIRIC52BufferIC56Audio Upconv. Mute-+-+IC662ch ADCIC42XM/DT IC+IC612ch DACR682, 693R694 ,683Att.Q602,604MIC SW (V663 UC)XML/XMRMICSRL/SRRADL/ADRRMCKRBCKRWCKRMCKRBCKRWCKDIRSDOXMMCKXMBCKXMWCKXMSDOSD1
3、/DR1SD2/DL1SD3/DR2DL2DR0MCLKSCKWSSD0MCLKDCLK-DL0RMCKRBCKRWCKSELMCKSELBCKSELWCKSELSDOSELBCKSELWCKSELSDOSELSDOTIBCKTIWCKTISD_PTISD_FDABCKDAWCKDASD_PDABCKDAWCKDASD_FDABCKDAWCKDASD_PDASD_FDAFL/DAFRDAC/DASWDASL/DASRDASVL/DASBRRMCKRBCKRWCKDIRSDOXMMCKXMBCKXMWCKXMSDOCKSELACKSELBMCSELto AUDIO SECTIONPDSELSel
4、ector ControlSelector ControlU, C modelsU, C modelsMCLKSCK/DCLKWS /DR0SD0/DL0SD1/DR1SD2/DL1SD3/DR2SPDIF/DL2ADC_SDOADC_MCLKADC_SCKADC_WSIC17HDMI Dual ReceiverIC10HDMI TransmitterSIL9134CTUSII9135CTUIC13BufferMCLKSCK/DCLKWS/DR0SD0/DL0SD1/DR1SD2/DL1SD3/DR2SPDIF/DL2DCLKDR0DL0DR1DL1DR2DL2IC12SelectorRx_M
5、CLKRx_SCKRx_WSRx_SD0MCLKSCKWSSD0SD1SD2SD3SPDIFIN1IC16HDMI SwitcherIN2IN3DIGITAL See page 107-111 SCHEMATIC DIAGRAM515,1427,2622,2120,1916,151131151161,244-4616,17,20,21241098543212987654318111213651586 8581828384 788916171819 20218764971415161712131211I BLOCK DIAGRAMSAUDIO (DIGITAL) SECTION BLOCK DI
6、AGRAMRadioFans.CN 收音机爱 好者资料库2ABCDEFGHIJ13457RX-V863/HTR-6180/DSP-AX863/DSP-AX863SE688FL/FRCenterSL/SRSBL/SBR or Z2L/Z2RSWAUDIOPHONO EQIC201Input SelectorBD3841FSIC203FL/FRSBL/SBRC/SWSL/SRCDMD/CDRDVDDTV/CBLDVRVCRMD/CDRDVRVCRZONE2MULTI CH INPUTREC OUTMutingQ2001-2004MUTE CONTROLPHONORX-V863/HTR-6180 (
7、U, F models)TUNERFM/AMFM/AMTUNER(B model)V-AUXXMJ2004,2005J2002,2003INIINEOUTRECB(U, C models)INPUT & ZONE2 SELECTOR8ch SELECTORRECBSelector (XM/SIRIUS/MIC)ZONE2 SelOUTMAIN SelMASTER VOLUME (-95dB0dB)R2A15215FPIC202ToneControlCenter MixLFE MixCenterSR L/RSB L/RSW0dB+42dB0dB+42dB0dB+42dB0dB+42dB0dB+4
8、2dBMUTE CONTROLMutingQ2252,22532258,2259MutingQ2254,2260MutingQ2251,22562263,2264MutingQ2257,2262POWER AMPCENTESURR.C4302,4304C1115,1116C1117,1118C1119,1114C1153C1108,1111SURROUND BACK/BI AMPFRONT AFRONT B/ZONE B/ZONE2/ PRESENCEPHONESSURROUNDCENTERRY100RY101RY104RY102RY103SPEAKER RELEYIC226IC226SRB.
9、FL/FRSBL/SBRCenterSL/SRPRE OUTSUBWOOFERSW1IC227DAFL/DAFRDAC/DASWDASBL/DASBRDASL/DASRADL/ADRTo AUDIO (DIGITAL) SECTIONMICJ2006INB1(R, T, K, A, B, G, E, F, L, J models)RY106(R, T, K, A,G, E, F, L, J models)FRONTR2216R2217SIRIUSINGIC220MutingQ2201,2202BA15218FSW2IC225HD/FM/AMHDRADIOTUNER(U model)DOCKMu
10、tingQ2507,2508MutingQ2255,2261MutingQ2007,20082009,201021,23179,113,51536-4346,4754.5570,7181,8283,84SPEAKERSFUNCTION See page 112-113 SCHEMATIC DIAGRAM(U, C, R, T, K, A, G, E, F, L models)AUDIO (ANALOG) SECTION BLOCK DIAGRAMRadioFans.CN 收音机爱 好者资料库ABCDEFGHIJ1234567RX-V863/HTR-6180/DSP-AX863/DSP-AX86
11、3SE89/MTMONLSEL0LSEL1SCLLSDALVIA9VIB9VIC9VIAVIBVIC/CNONXDA YDA PbDA PrQ30022SA1576AQ30032SA1576ASCLHSDAHSCLVSDAV/ICV/INT_AD/RES_Rx/INTH_RT/RES_Tx/AUPHVIAVIBVICLSEL0LSEL1BYPASSSDTNSCKN/OSDCE/MTMON/MTVR1/MTVR2/VSYSVDETCPNTDSDALSCLL/ICSL1 L2 L3 IN0V 2.2V 5V74HC4052 x2/MTVR1/MTVR2/MTMONBYPASS/AUPHSVDETC
12、PNTDSDTNSCKN/OSDCEVSYNCODCVSYNCCSCLCSDA/RES_R/INTH_RTOUTSCLHSDAHIN3IN2IN1SCLSDA/HSW_RST/HSW_ INTSCLLSDALHSW_CECSCLSDASCLHSDAH/RES_Tx/INTH_RT/PSENB/HSW_ INTSCLLSDALHSW_CEC(J model)(J model)Y CbCrYPb/CbPr/CrYPbPrDVDY Cb CrYCb CrL1/L2/L3L1/L2/L3Y/Pb/PrINS2 DET0V 2.2V 5VL1/L2/L3YPbPrVCRDVR0V 2.2V 5VL1 L
13、2 L3 OUTBYPASSAD YAD PbAD PrL1/L2/L3IC351OUTPUT AMPNJM2581YPbPrMONITOR OUTBYPASS Sw74HC4053CYCVBSSYSCCVBSIC304MONITOR OUTREC OUTCYRECOUT AMPLA73050OUTPUT AMPLA73050IC333IC332DVRVCRDVRVCRCYCYOSD28.636363MHz10115112110114989691941084AD YAD PbAD PrAD SYAD VAD SC1010IC91-93IC89DAYDACbDACrDAVDASYDAC27MHz
14、CVBSCINPUT SELECTORCYCVBSYAD VAD SYAD SCRECOUTCD405174HC4051x2IC302IC303IC301Q30012SA1576ADVDDVRCYDTV/CBLVCRDVDMONITOROUTMONITOROUTDTV/CBLiPodiPodDVRVIDEOCOMPONENT VIDEO/D5 VIDEOVCRVIDEOQ800C2412NTSC: 14.3181MHzPAL: 17.7344MHzHDMIIC87Detector74HCU04IC86Detector74HCU04IC85OSDLC74782BLANKCVOUT-6dBIC82
15、VIDEO Dec. & I/PADV7800SFLHSVSLLCP10:19P20:29P2:9Field/DESOYAIN2AIN3AIN1AIN10AIN12AIN11AIN6IC84VIDEO Enc.ADV7172IC83ScalerABT1010SCRESET/RTCHSYNCVSYNCCLOCKC0:9Y0:9HSNDEVSNVCLKDACADACBDACCDACDDACEDACFHSNVSNVCLKSYSCLKC0:9Y0:9Field/DESiI9135CTUQ0:35DE/RST/INTIC17HDMI Dual ReceiverHSYNCIC16HDMI Switcher
16、SiI9185A/RST/INTIC10HDMI TransmitterCSCLCSDA/RESET/INTSiI9134CTUVSYNCQ0:35IDCKHSYNCDEIC24CEC MicroprocessorMN103SFD76YAB/RSTLPF0dB0dB0dBIC392INPUT SELECTOR (0 dB Amp.)NJW1321Y IN 13Pb IN 13Pr IN 13AUX 02PORT 3SCLSDAY OUT1Pb OUT1Pr OUT1Y IN 4Pb IN 4Pr IN 4Y OUT2Pb OUT2Pr OUT2AUX 3PORT 02IC383,384SELE
17、CTOR6dB6dB6dB6dB6dB6dB6dB6dB6dBMain MicroprocessorDIGITAL See page 107-111 SCHEMATIC DIAGRAMVIDEO (1) See page 116 SCHEMATIC DIAGRAMVIDEO (2) See page 117 SCHEMATIC DIAGRAM41010HDMIVIDEO SECTION BLOCK DIAGRAM2ABCDEFGHIJ13457RX-V863/HTR-6180/DSP-AX863/DSP-AX863SE690RY251F2502F2501/J2502TE251D1036C109
18、4C1095+BG-BD1035+12VIC104-12VIC105+12G-12C1112+5VIC102 +5.3V IC100RY105/4ohmRY105D2512J2503IC251,252,253AC IND2514D2515D2516Power Detector/ResetQ2501,2503Q2502POWER RELAY+5.8VIC31/32Q300MG+5S+5M+5BUD311D310D309POWER SAVERY251s10+1.2VIC47+5VIC63XMPWRD1048+5VIC110+5IIGNDQ2504D1040C1087C1088-5VQ1100Q11
19、03+5VG-5V+3.3V+5D+1.2V+3.3D+5A+5.3X-28VQ1068-VPC2505D2502(U, C models)+9VIC305+9V+5VPower+5VIC11+5VQ1104,1106+1.8HSWPVDD+3.3VIC80+1.8VIC19+3.3VIC21+1.8VIC94+1.8H+1.8VIC20+1.8H+1.8VIC81+3.3HSW+3.3HVVPWRVPWRVPWRVPWR+3.3VIC107DPWR+3.3VIC48DPWR+5VIC106AVPWR/RESAVPWRPOWERTRANSFORMERC1082C1083FUNCTION (3)
20、 See page 113 SCHEMATIC DIAGRAMFUNCTION (3) See page 113 SCHEMATIC DIAGRAMDIGITAL See page 107-111 SCHEMATIC DIAGRAMMAIN (2) See page 115 SCHEMATIC DIAGRAMMAIN (1) See page 115 SCHEMATIC DIAGRAMVIDEO (1) See page 116 SCHEMATIC DIAGRAMFUNCTION (1) See page 112 SCHEMATIC DIAGRAMOPERATION (1) See page
21、114 SCHEMATIC DIAGRAM(R, T, K, A, B, G, E, F, L, J models)(U, C models)(U, C models)Q2509AC_BLAC_BHAC12ACIAC_HDMI+18-18+10+11H+5HV-10+IPODPOWER SUPPLY SECTION BLOCK DIAGRAMABCDEFGHIJ1234567RX-V863/HTR-6180/DSP-AX863/DSP-AX863SE91IC30MicroprocessorXL3020MHzIC44DSPIC41DIRIC64 2ch DACIC65 8ch DACIC662c
22、h ADCIC42XM/DT ICJK41Sirius ConnectorTXDSRRXDSR/SRPWRTracking PowerSupplyJK201Remote OutJK102Trigger OutSpeaker Relay8/6 ohmRelayHigh Current( I ) DetectorSirius Serial Control (UART)Sirius Power EnableXM Serial Control (UART)DTXM (RDYRDS)DRXM (RXDRDS)XM Bus Power ON/OFFXMREVXMLINK (CLKRDS)IC100Regu
23、latorReset for XMXM Antenna DetectXM Link Active Detect/ICXM (RSTRDS)SCKSDMSDDSerial Control (SPI)Chip Select for DIR/CSDIRInterrupt from DIR/INTDIRSPI Ready from DSP/SPIRDYInterrupt from DSP/INTTI/CSTIChip Select for DSPChipp Select for DACMUTETIDSP Mute ControlReset for DIR/ICDIRADC ON/OFFCSDAC/IC
24、ADCXMPWRPower Limmiter ControlLCRMSCNTRIGSP_IMPPRIScene Remote OutTrigger OutSpeaker Realay ControlSP. Impedance ControlI ProtectionDC DetectorDC ProtectionPRDPower SupplyVoltage Detector1Voltage Detector2Voltege Protection 1PRV1Power SupplyPRV2Voltage Protection 2ThermalDetectorTHMThermal protectio
25、nSCLHSDAHIC17HDMIDual ReceiverHDMITransmitterSII9135IC10SII9134IC16HDMI SWSII9185AIC24CEC u-comMN103SFD7GYABIC82Video DecoderADV7800IC84Video EncoderADV7172IC83ScalerABT1010IC91-93Bus BufferIC85OSDLC74782JMI2C bus(400KHz)SCLLSDALI2C bus(100KHz)IC12Selector/RES_Rx/RES_Tx/AUPH_A/AUPH/INT_RT, HDMINT/HS
26、W_RST/PSENB/ICS/ICV/HSW_INTHSW_CECSCKNSDTNVPWRIC86,87Video DetectorSVDETCPNTDChip Select for FL DriverReset for CEC u-comReset for HDMI SWInterrupt from HDMI RxReset for HDMI RxHDMI Audio conversion selectReset for HDMI TxVideo Upconversion ON/OFFReset for ScalerReset forVideo DEC/ENCS-Video,Compone
27、nt detectSerial control (SPI)Video power ON/OFFIC392ComponentSelectorNJM1321IC383,384L1,L2,L3L1,L2,L3 input selectLSEL0LSEL1IC302,303CVBS, Y/CselectorCVBS,Y/C input selectVIAVIBVICIC304BYPASS SWAnalog Video BYPASS ON/OFFBYPASSIC332,333Video driverMoniter,DVR,VCR output control/MTVR1/MTVR2/MTMONReset
28、 for DSP/ICTIIC56Audio Upconv.MuteAudio Upconversion Mute Control/AUP_MTChip Select for OSD/OSDCE/CEFDIC401FL Driver/RSTFDReset for FL DriverInterrupt from CEC u-comSerial control (SPI)IC20, 80, 81, 305RegulatorDSP Power ON/OFFIC107RegulatorDPWRIC48RegulatorIC106,Q1100, 1103Regulator(J model)(U, C,
29、R, T, K, A, B, G, E, F, L models)Analog Video Power ON/OFFPulse from Rotary EncoderPulse from Rotary EncoderPulse from Rotary EncoderVRA, VRBISA, ISBTONEA, TONEBJK100Remote InD4015IR LEDU401IR ReceiverREMRemote InSW426 Standby/ONMAIN ON/OFFSW402-405SCENE1-4SW401, 406-409,412-416, 418-421ADKEY0, ADKE
30、Y1KEY0, KEY1 Voltage Detect/PSWInterrupt from Power SwitchD4005LEDPure Direct LED ON/OFFPDLEDD4001-4005LEDScene LED ON/OFFSCEN0, SCEN1, SCEN2SW417VolumeSW410Input SelectorSW411Program SelectorJK401YPAO MICYPAO MIC Detect/MICAmplituneDetectorAmplitude Detection for Power LimitPLDETSPA, SPB, SPC, SBRY
31、, Z2RYJK431Head PhoneHead Phone Detect/HPAudio Mute/MTFS, /MTCT, MTSW, /MTSB, /MTZ2, /MTHPIC202Selector &CKEVDTEVSerial controlIC203ExtentionCKEXDTEXSerial controlFM/AM TunerSCKPSDTPSDRPSerial Control (SPI)Chip Select for PLL ICCEPHD Radio TunerSDTPSDRPSerial Control (UART)Reset for HD RadioTuner Mu
32、te ControlTMTTuned Detection/TUNEDStereo Detection/STCB301Dock ConnectorTXDiRXDiSerial Control (UART)iPDETiPod DetectioniPAPiPod Accessory Power DetectionDKIDDock ID DetectionQ3300Dock Power SWDock Power ON/OFFDKPWRCB36Flash ConnectorTXDRRXDRCLKF (RTS)BUSY (CTS)Serial control (UART)Q300+5S SwitchPow
33、er Save (+5S ON/OFF)PSVQ250310213996971021271213251417332826181147601375452555356586768504838404243511811630451292735363766737572131443129619971253491081079812613513613810411012210310912461 87929495414112812365133119838081828479777885868990881144626364697071202212012113411511111311411211710610510110
34、099AC PowerInterrupt for AC Power DetectionPDETQ2501ResetReset for Microprocessor/RESR305,306Power RelayPower Relay ControlPRYSet DestinationDESTIC241RDS ICReset for RDSClock for RDSRDS Serial ControlFUNCTION (1) See page 112 SCHEMATIC DIAGRAMDIGITAL See page 107-111 SCHEMATIC DIAGRAMFUNCTION (3) Se
35、e page 113 SCHEMATIC DIAGRAMFUNCTION (1) See page 112 SCHEMATIC DIAGRAMVIDEO (1) See page 116 SCHEMATIC DIAGRAMVIDEO (2) See page 117 SCHEMATIC DIAGRAMMAIN (2) See page 115 SCHEMATIC DIAGRAMMAIN (1) See page 115 SCHEMATIC DIAGRAMMAIN (2) See page 115 SCHEMATIC DIAGRAMOPERATION (1) See page 114 SCHEM
36、ATIC DIAGRAMCONTROL SECTION BLOCK DIAGRAMCB10CB11CB12CB13IC10IC17IC16IC24IC11IC12IC14IC13IC14IC19IC20IC21CB14A12345678910BCDEFGHIJKLMNRX-V863/HTR-6180/DSP-AX863SE/DSP-AX863107# All voltages are measured with a 10M/V DC electronic voltmeter.# Components having special characteristics are marked s and
37、 must be replaced with parts having specifications equal to those originally installed.# Schematic diagram is subject to change without notice.DIGITAL 1/5SCHEMATIC DIAGRAMSA-1A-20.33.23.34.94.93.44.901.800.30.30.30.300.30.30001.804.93.300000000001.80000002.6003.33.13.31.81.81.8003.403.33.33.33.33.33
38、.33.33.33.33.33.33.33.33.33.33.33.31.83.33.33.33.33.33.33.33.33.33.301.73.43.31.41.31.41.31.31.31.21.31.805.003.300000000000000000000000000000003.33.31.83.401.80.40.40.40.40.40004.904.90000000.40000.400.400.4000000.40.20.20.40.400000000.200.200.2000000.20.20.20.20.200000003.403.403.4000003.43.43.43.
39、43.40000000000004.98.705.05.09.05.03.40001.800000000003.41.801.83.03.33.34.903.33.33.3001.803.33.43.43.403.43.43.403.43.33.303.43.33.3003.403.41.83.403.401.81.803.43.403.33.33.33.203.33.12.61.31.21.31.3001.81.803.31.81.31.41.31.41.703.33.33.33.4003.403.33.23.23.33.33.33.33.33.33.31.803.303.33.33.33.
40、33.33.33.33.31.803.31.803.33.33.30 3.33.33.33.3 3.40.40.4 0 0.40.4 1.9 0.4 0.4 0.4 1.91.9 0 0 1.9 3.3 0 1.9 3.4 3.4 0 3.4 3.4 1.94.93.3 3.33.3 3.3 0 3.33.3 0 3.4 3.4 1.9 0 0 3.3 0000.20.21.903.43.34.20001.90.20.200.20.23.40.20.20.20.21.903.301.90001.93.43.403.43.43.43.43.43.33.31.83.33.33.33.33.33.3
41、3.33.33.30003.31.803.301.71.63.33.33.33.33.33.33.33.33.33.33.33.33.33.30000000003.300000000003.33.3003.300003.31.83.33.30003.33.33.33.33.33.33.303.30003.33.33.33.33.33.303.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.303.33.33.33.33.33.33.33.33.33.33.53.33.34.4
42、3.33.34.44.94.8003.33.33.33.33.303.33.33.33.33.34.24.21.94.91.84.94.94.90001.81.81.803.304.201.93.33.33.33.44.24.91.93.33.34.2DSP-AX863DSP-AX863SERX-V863RX-V863/HTR-6180RX-V863/HTR-6180RX-V863BusControllerSerialI/FI/OportDMAControllerInterruptcontrolSystem controlClock&WDTTimer32 bitMicroprocessorIC
43、24: MN103SFD7GMicroprocessorBuilt-in ROMBuilt-in RAMExtendedcomputingelementOtherperipheralequipmentVDDCEPin No.12345SymbolCEGNDNCVDDVOUTDescriptionChip Enable PinGround PinNo ConnectionInput PinOutput Pin of Voltage RegulatorVref4512Current LimitVOUTGNDIC21: R1172H331D-T1-FVoltage regulatorVDDCEPin
44、 No.12345SymbolCEGNDNCVDDVOUTDescriptionChip Enable PinGround PinNo ConnectionInput PinOutput Pin of Voltage RegulatorVref4512Current LimitVOUTGNDIC19: R1172H181B-T1-FVoltage regulatorVOUTVINControlGND1452IC11: NJM2867F3-05Low dropout voltage regulatorBandgapReferenceThermalProtectionIC16: SiI9185AC
45、TUHDMI switchTX0+/-TX1+/-TX2+/-R1X2+/-R1X1+/-R1X0+/-R1XC+/-R0X2+/-R0X1+/-R0X0+/-R0XC+/-R2X2+/-R2X1+/-R2X0+/-R2XC+/-TXC+/-CEC_DCEC_AHPDINHPD2HPD1HPD0TPWRRPWR2RPWR1RPWR0EPSEL1/EPSEL0/LSCLLSDATX_DDCPort2_DDCPort1_DDCPort0_DDCI2CADDR/Config.LogicPLLI2C SwitchDPLLCECOversampleTermination/EqualizerTermina
46、tion/EqualizerTermination/EqualizerEDIDRAMEDID BlockTransmitterBlockTransmitDriversCEC I/FHPDSwitch5V SwitchConfiguration BlockReceiver BlockIC17: SiI9135CTUHDMI receiverDSCL0DSCL1I2CI2CXORMaskI2CDSDA0DSDA1CSDARESET#MCLKOUTSPDIFDSDWSSCKMUTE OUTEVNODDSCDTDEODCKVSYNCHSYNCSD3-0Q36:0INTXTALCSCLRx0Rx0Rx1
47、Rx1Rx2Rx2RxCHDMI1.3TMDSCore 0Registers &ConfigurationLogicHDCPKeysROMHDCPDecryptionEngineAudioDecodeLogicRGB to YCbCrColor SpaceConverter/4:2:2 to 4:4:4Converter(12-bit Accurate)MCLKGenDigitalMUXHDMI1.3TMDSCore 1RxCIC10: SiI9134CTUHDMI transmitterXORMaskDSCLDSDAEXT_SWINGTx0Tx1Tx2TxCCSDARESET#MCLKS/P
48、DIFSCKWSDEIDCKVSYNCHSYNCSD3:0DL3:0DR3:0D35:0INT HPDCSCLRegisters andConfigurationLogicHDCP KeysEEPROME-DDCMasterCI2CASlaveVideoDataCaptureLogic/DEGeneratorHDCPEncryptionEngineHDMI 1.3TMDSCoreAudioCaptureLogicYCbCr to RGBColor SpaceConverter/4:2:2 to 4:4:4ConverterIC20: R1232D181A-TR-FDC-DC converter
49、OscillatorSlope CompensationPhase CompensationVrefUVLOSoft StartChip EnableL FixedH ActivePWM ComparatorError AmplifierTEST CKTOutput ControlVINLxPGND2581TEST6AGND7VDD34VOUTCERQSCurrent LimitIC12: TC74VHC157FTQuad 2-channel multiplexerSELECT11A21B31Y42A52B62Y7GND8Vcc16ST154A144B134Y123A113B103Y9ASGB
50、AYBAYBAYYB1DIRA1A2A3A4A5A6A7A8GNDVccOEB1B2B3B4B5B6B7B8234567891020191817161514131211IC13: SN74LVC245APWROctal bus transceivers with 3-state outputs123NCIN AGND45OUT YVCCALHYHLIC14: TC7SH04FU-TE85LInverterPOINT A-1 XL10 (Pin 95 of IC17)POINT A-2 XL12 (Pin 83 of IC24)No replacement part available.部品供給
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