Jvc-SUDH-1-JE-Service-Manual电路原理图.pdf

SERVICE MANUALCOPYRIGHT © 2006 Victor Company of Japan, LimitedNo.XC0452006/3SURROUND SOUND HEADPHONE ADAPTORXC04520063SU-DH1-J/ETABLE OF CONTENTS1 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-32 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4TMModel No.(Bottom)Model No.1-2 (No.XC045)SPECIFICATIONSU-DH1-J/EPlayable format Dolby Digital (Dolby Surround EX), Dolby Pro Logic II, DTS (DTS-ES 6.1ch),MPEG-2 AAC, PCM(Fs=44.1kHz, 48kHz)Surround function Dolby Headphone (DH1/DH2/DH3), Dolby Pro Logic II (AUTO/MOVIE/MUSIC)Input terminals Optical digital signal mini jack x 1, LINE IN signal cord with Gold plated stereo mini plug (3.5mm) x 1Headphone output Stereo mini jack x 1Power requirements Alkaline AA battery (DC 1.5V) x 2Battery life approx. 10hours (using Alkaline AA battery), approx. 2.5hours (using Manganese AA battery)Dimensions 82mm x 20mm x 86mm (W/H/D)Mass approx. 99g (include Manganese AA battery)Accessories Manganese AA battery (R6P) x 2 (for initial use), Carrying pouch x 1, Dual plug adaptor x 1(No.XC045)1-3SECTION 1DISASSEMBLY1.1 Disassembly method(1) Remove the battery cover from the back of the main body, and then pull out the line-in cord from the slot.(2) From the back of the main body, respectively remove the two screws A, and another two screws B attaching the bottom case.(3) Turn the main body back to the original position, and then remove the top case.(4) When removing the main board by lifting it up, the side panels L/ R will also be removed.* Please fix boss 'a' part and the code in the bond of rubber after the code ties to boss 'a' part of the projection of thebottom case when you install line in cord in the bottom case. * When attaching the side panels L/ R, make sure to confirm that each switch (SW1, SW2) on the main board is firmlyplaced in the hole of the each switch knob.BACKSIDEBBAATop caseMain boardBottom caseSide panel RLine IN cordBoss 'a'Bottom caseBattery coverSide panel LSwitch knobSwitch knobBond of rubber1-4 (No.XC045)SECTION 2TROUBLESHOOTING2.1 Measuring instrument DC power supply (3V 500mA can be output.) Audio signal generator Vacuum Tube Volt Meter Oscilloscope DVD Player with optical digital output2.2 About power supplyPlease set the output voltage of the DC power supply to 3V, connect with SP1 and SP2 on the substrate as follows, and do the con-firmation work.SP1: The plus output of the DC power supply is connected.SP2: Ground of the DC power supply is connected.2.3 Analog signal input level500mVrms2.4 YES NormalNO The voltage and the waves are abnormal.2.5 Check methodC26C45C46C50C51C54C66C67 C69 C70C71C78C85C86D1D2D3D4D5D6 D7D8D9D10D11F1IC4IC8IC9IC11J1J4Q1Q2Q3R2 R3R4 R5R22R23R24R26R27R28R29R30R31R32R33R34R35R36R37R40 R41R43R44R45R46R69R85SW1SW2SW3SW4X1K6R90C91C92C93R95C151C152K15Q4Q5F2SP1 SP2Symptom Check point Voltage and waves whenit is normalCheck part and breakdown partsThe power supply is notturned on.1 Both sides of F2 DC approx. 0V NO Defect of F2YES check of 22 IC1 8pin DC approx. 3.3V NO Defect of IC1YES check of 33 IC6 4pin DC approx. 1.3V NO Defect of IC6YES check of 44 IC5 1pin DC approx. 3.3V NO Defect of IC5YES check of 55 IC8 10pin f=10MHz NO Defect of IC8 or Check on circuit insurrounding.YEScheck of 66 IC8 7pin DC approx. 3.3V NO Defect of IC8 or Check on circuit insurrounding.YES check of 77 IC7 3pin f=12.288MHz NO Defect of IC7 or Check on circuit insurrounding.YES Defect of IC2 or Check on circuit insurrounding.(No.XC045)1-5Analog input :The sound is not emitted.8 C5, C6 Positive pin Sine wave NO Connected check from J4 to C4, C5YES Check since 99 C28, 29 Positive pin Sine wave NO Defect of IC2, IC3YES Check since 1010 IC92pin (L ch),4pin (R ch)(The volume is confirmedin the maximum.)Sine wave NO Defect of R99 and Check on circuitin surrounding.YES Check since 1111 IC9 10pin DC approx. 3.3V NO Check of Q4, Q1, Q5, IC8YES Check since 1212 IC99pin (L ch),7pin (R ch)(The volume is confirmedin the maximum.)Sine wave NO Defect of IC9 and Check on circuitin surrounding.YES J3 Check on circuit in surround-ing.Digital input :The sound is not emitted.13 IC10 1pin(The DVD player etc. areconnected with an optical,digital input.)NO Defect of J2YES IC10 and Check on circuit in sur-rounding.LED doesn't light. (D4 to D11)14 IC11 13pin DC approx. 0V NO Defect of IC8 and Check on circuitin surrounding.YES Defect of IC11 and Check on cir-cuit in surrounding.Symptom Check point Voltage and waves whenit is normalCheck part and breakdown parts(No.XC045)ACCESSORIES CATEGORY 1644, Shimotsuruma, Yamato, Kanagawa 242-8514, JapanVictor Company of Japan, LimitedVPTPrinted in JapanA12345BCD EFG4M Serial Flash MemoryIC4M25P40VMN6P-XMODE LEDD1-D8:SML-310VT-XD9-D11:SML-310MT-XAnalogLine in cord J4Headphone JackJ3X'TAL 12.288MIC73.3V1.25VLow Battery. DetectDIR ControlCODECControlDC JACK(JAPAN ONLY)DSPDD/PL /AAC/DTSDecodeDolby HeadphoneIC2DSPC56371-WDH MODE SW4PL MODE SW3Optical Digitalinput J2DIRIC10 AK4116VNP-WSystem Control MiconIC8PIC16LF876A-WLED DRIVERIC11MC74HC595DT-WA/D D/AIC3AK4552VT-XHeadphone AMPIC9LA4534M-X3.3V REGIC1NCP1410DM2G-W1.3V REGIC6XC9211A133MXtal 10MX1VOLUMER99BATTERY1.5V 2Block diagram2-1 2-2A12345BCDEFGIC9IC8IC10IC11IC2C5R7R8R1C6C70TP3SW2IC3IC5K9R14C25R101C52C55C56K6R42C26C53C71K1R21R26R20C50C29C23R35R99R27C28C40C27R90K4J2C2K8SW1R6C152D10D9D8D7D6D5 D11C54R43 R44 R45 R46D4R41R40R37F1K3C75R36D1D3R30R31R85R2C3R33SW4R23R28R34R32R25SW3R39J1IC1L5C18C24Q3 R19IC6C21R102R24C41R29D2R13L2C8C4Q2C46C85V2CN3IC4C34J4TP1C36C19C22C43C31C35C37TP2V1J3C51Q1C45C1C69R3CN4F2X1R22C86C78C151C102C93R95K15K16C164C163C162C161R164 R163Q4Q5R69C11R4R5R83C10 C15C33C32R82R38C49C48K7C13C103C67C12C16C7C76R11R12R15R10R9C14C30IC7R18C42C47C38C39C44C101C68C66R68R67R66 C91 C92R93LA4534M-XPIC16LF876A-WAK4116VNP-WMC74HC595DT-WDSP56371-W4.7U/6.32.2K2.2K1K/0.14.7U/6.3NIQSW0665-001AK4552VT-XBU4216G-WNQR0251-001X22/0.10.1U/5000.15U220U/6.3220U/6.3NQR0251-001X4.70.1U/500.15UNQR0502-001X470VCC-3.3470470220U/6.310U/6.347U/6.310K/0.1NVQ0009-B14X47010U/6.310U/6.310U/6.3V0VCC-3.3NQR0251-001XVCC-3.3NNZ0153-001VCC-3.30.1U/50NQR0251-001XQSW0665-001470/0.1220p0.1U/50220/0.1 220/0.1 220/0.1 220/0.1220/0.1220/0.1220/0.1NINQR0251-001X47U/6.3VDGND220/0.1SML-310VT-XSML-310VT-X220/0.11K/0.103.9K/0.1VCC-3.3NI10K/0.1NSW0281-001X220/0.147K/0.110K/0.110K/0.110K/0.1VCC-3.3NSW0281-001X4.7NCP1410DM2G-W22uH/1A470P10U/10VCC-3.3RT1N144C 47KXC9211A133MNI220/0.1AGND10U/6.34.7K/0.1SML-310VT-X22UH/1A0.15U/5010U/16RT1P441C0.1U/504pLR-6QGF1016C2-04WM25P40VMN6P-X0.1U/50QAM0803-0010.1U/500.1U/500.1U/500.1U/500.1U/500.1U/500.1U/50LR-6NNS0011-001X47U/6.3RT1N441C47/6.347U/6.3NI3.9K/0.1QGF1007C4-05XICP-S1.2-XNAX0813-001X8.2K/0.14p0.1220pNI470p22/0.1000.22 0.220.0010.0014.7 4.7RT1P441CRT1N441C10K0.1U/5033K/0.133K/0.1NI47U/6.3 0.1U/500.1U/501800P/501800P/50NI12K/0.10.1U/5010U/6.3VNQR0251-001X10U/6.3V0.1USML-310MT-XSML-310MT-XSML-310VT-XSML-310VT-XSML-310VT-XSML-310VT-X SML-310MT-XSML-310VT-XNI0.056U/50220U/10150P/50NI10U/6.3V200K/0.127K/0.1330K/0.1560K/0.1330K/0.1220K/0.1470P/500.1U/50NAX0846-001X27/0.10.1U/500.1U/500.1U/50 0.1U/500.1U/50VCC-3.30.01UNININININI0.1 0.1CTRL-CDTOCTRL-CSNCTRL-CDTISSCTRL-CLKDSP-SDT1MCLK12.288SCKMISOMOSIDSP-3.3DSP-FSTLOB-OUTDSP-SCKTRESET-NDIGI-INSPDIFDSP-1.3Standard schematic diagramMain section2-3 2-412345678161514131211109RINLINVSSVAVDDEM0DEM1SDTOROUTLOUTVCOMPDNBCLKMCLKLRCKSDTIVA VSS VDLINRINVCOMLOUTROUTMCLKLRCKBCLKSDTOSDTIDEM0DEM1PDNModulatorModulatorModulatorModulatorCommon VoltageLPFLPFDecimationfilterDecimationfilter8xInterpolatorSerial I/OInterfaceClockDivider8xInterpolatorAK4552VT-X(IC3):AD/DA Converter12345RX0DVDDDVSSXTIXTO6 7 8 9 10LPCKBICKSDTODAUXMCKO1514131211INT1CSNCCLKCDTICDTO20 19 18 17 16AVDDR AVSSPDN INT0AK4116VNP-W(IC10):Digital audio receiverMCKOLRCKBICKSDTODAUXPDNCSNCCLKCDTICDTOClockGeneratorAudioI/FP I/FQ-subcodebufferError&STATUSDetectAC-3/MPEGDetectINT1INT0DVDDDVSSRX0AVSS AVDD RDAIFDecoderClockRecoveryX'talOscillatorXTI XTODescription of major ICs12345109876PowerswitchMutecircuitBiasAmp1Amp2J47862-001(IC9):Stereo power amplifier2-5 2-612021 40416061801245122 112SHIInterfaceTripleTimerESAIInterfaceESAI_1InterfaceGPIO EFCOPDAXPeripheralExpansion AreaPIO_EBAddressGenerationUnitSix ChannelDMA UnitBootstrapROMInternalDataBusSwitchClockGen-eratorPLLProgramInterruptControllerProgramDecodeControllerProgramAddressGeneratorEXTALRESETPINIT/NMIMODA/IRQAMODB/IRQBMODC/IRQCMODD/IRQDData ALU24 x 24+56 56-bit MACTwo 56-bit Accumelators56-bit Barrel ShifterPowerMngmnt.JTAGOnCETMDDBYDBXDBPDBGDB24-BitDSP56300CoreDABYABXABPABPM_EB YM_EBXM_EBY DataRAM48K x 24ROM32K x 24X DataRAM36K x 24ROM32K x 24ProgramRAM4K x 24ROM64K x 24Memory Expansion AreaDSPC56371AF180(IC2):DSP1FB 8 OUT2LBI3LBO4REF7 LX6 GND5 SHDN(Top View)_MAINSWOFDGNDVDD-+SENSEFET-+VDDCOUTGNDVDD-+GND-+CONTROLLOGIC_MAINSW2ON_SYNSW2ONVoltageReference_SYNSWOFD_ILIMChipEnableSHDNREFFB_VREFOK_PFM_CEN_PWGONCE_ZCURM1LBOLXOUTLBIM2GNDPFMZLCILIM514220 mVRSENSE6873J47866-001(IC1):DC-DC ConverterLOGIC DIAGRAMSERIALDATAINPUT1411101213SHIFTCLOCKRESETLATCHCLOCKOUTPUTENABLESHIFTREGISTERLATCH1512345679QAQBQCQDQEQFQGQHSQHAVCC= PIN 16GND = PIN 8PARALLELDATAOUTPUTSSERIALDATAOUTPUT13141516910111254321876LATCH CLOCKOUTPUT ENABLEAQAVCCSQHRESETSHIFT CLOCKQEQDQCQBGNDQHQGQFJ47872-001(IC11):LED Controller2-7 2-8