Kenwood-X-92-4110-0x-Service-Manual电路原理图.pdf

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Kenwood-X-92-4110-0x-Service-Manual电路原理图.pdf

© 2002-3 PRINTED IN JAPANB51-7887-00 (N)517MD MECHANISM ASSYX92-4110-0xX92-4570-0xSERVICE MANUALDESCRIPTION MECHANISMCONSTRUCTION OF MAJOR PARTSX92-4110-00 (MDS-3100W)X92-4110-01 (MDS-3101W)X92-4570-00 (MDS-3200W)X92-4570-01 (MDS-3201W)MP START : Nov. 2001Outer chassisFront chassisUpper chassis assyMecha. PCBTravers chassis assyLoading arm assyAir damper x4Suspension spring x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x/4570-0x2BLOCK DIAGRAMRF AMPRF AGC & EQIC1BPF P-PPEAK &BOTTOMABCD AMPIV AMPIV AMPCVBAMPTEMPVICCONVERROR AMPFOCUSATAMPBPFTRACKINGERROR AMPSERIALPARALLELDECODERBALANCEE-FFILTER PLLDECODERACIRCEFM MEMORYRESISTANTSHOCKCONTROLLERDYNAMIC RAMATRAC/ATRAC3DECODERDIGITALFILTERCONVERTERD/APOST FILTERCONTROLMONITORANALOGMUXADIPDEMODULATORDECODERSPINDLESERVOGENERATORPWMAPC DSPSERVOCONVERTERA/DCLOCKGENERATORAUTOSEQUENCERI/FCPUPROCESSORSUBCODEIC7MECHA MI-COMCH2DRIVERCH1DRIVERDRIVERCH4DRIVERCH3VREFDRIVERCH5IC5LOE/LIM-SWLOS/EJE-SWATRAC/ATRAC3 DECODERDET.REFLECTAPCCBDAFEJIDETECTORTRACKINGCOILFOCUSCOILMLOADING/EJECT/SLED MOTORSPINDLE MOTORMTHERMISTERIC9256SW+5VEFM/ACIRC DECODERSHOCK PROOF MEMORY CONTROLLERDIGITAL SERVO PROCESSORDIGITAL SIGNAL PROCESSOR1M-WORD 4BIT DYNAMIC RAMDIGITAL FILTER. D/A CONVERTERIC2FOCUS/TRACKING COIL DRIVERSPINDLE/SLED MOTOR DRIVERIC4LOADING/EJECT MOTOR DRIVERREG.A3.3VIC6A. 8V SW8BITQ8IC11IC102.5VREG.IC3AUDIO I/FDIGITALQ1,25ch BTLDRIVERQ4RF AMPQ3DSPLPFIC8Q7Q5,6,91245678931514IJABCDEF11 12 22 23 25 41 42 19APC APCREF EQADJ 3TADJWBLADJ FZCRFAUX1AUX2PEAKBOTTOMABCDFEVCSWDTSCLKXLATFOCONT114 11384 85 77 76112 111SPFD SPRD FFDR FRDR TFDR TRDR SFDR SRDR25285152120MNT0MNT1MNT2MNT3XINTSQSYSENSSRDTSCLKSWDTXLATXRST444546621820191716FZCXINTSQSYSENSSRDTSCLKSWDTXLATXRST12 56 23 11 15 13 14 43 36 59 60LDON SDMUTE LIMIT SW P-ON AMUTE MSDAMSCL MSTOPMRST TYPE 1 TYPE 23378HOTESDAESCL2019171630292322262524TRK+TRK-FCS+FCS-LOAD/SLED+EJECT/SLED-SPDL+SPDL-VCVREF0VCC2VCC11011121376892827314TFDRTRDRFFDRFRDRLOAD/SFDREJECT/SRDRSPFDSPRDREG INREG OUTENREG11191413201915185622178DOUTL-CHR-CHMRSTMSTOPMSCL (IIC BUS)MSDAAMUTEBU5VS5VS5VLOE/LIM-SWLOS/EJE-SWLOADEJECT36302931343537333847 4648 4010282632171820271641 40MORF RFOAUX 1FOCONTXSTBYADFG22.579MHz67835161413109111041051061071028493808182836773727170859291511133112210648.388MHzMUTE 1MUTE 212MUTE 336CH1,2CH3 CH42167JITTERRECORD INVCTESEVCVCVCVCPDLDSTBYTO CH5 OPS+BSW+5VS5V+3.3V65BU+5V1.2Vrms1kHz 0dBSW+5VTO SERVO DRIVERBU+5VILCCLDONAUDIO +BDAVDDSW+5VA8V1234+2.5VMOTOR ASSYDPU1OPTICAL PICKUP BLOCKMOTOR BLOCKMD UNITBUFFERAP0077 AP0077 AP0077 AP002E AP0078 AP0069 AP0061 AP006F AP0079 AP0075 AP0031 AP0036 AP0033 AP002E AP0063 AP006F AP006DAP0051 AP0051 AP0033 AP0037 AP0036 AP0033 AP0031 AP0035 AP0031 AP0035 AP0030 AP0039AP0039AP0032AP0038AP0039AP0034AP0032AP0039AP0038AP0054 AP0045 AP004C AP0031 AP0033 AP0039 AP0034 AP0032 AP0032 AP0039 AP0036 AP0035 AP0031 AP0033 AP0039AP0039AP0032AP0038AP0039AP0034AP0032AP0039AP0038AP0030AP0035AP0031AP0035AP0031AP0033AP0036AP0037AP0033AP0051AP0051AP0054AP0045AP004CAP0020AP0020AP0031AP0033AP0039AP0034AP0032AP0032AP0039AP0036AP0035AP0031AP0033AP0020AP0020AP0051AP0051AP0020AP0020AP0033AP0037AP0036AP0033AP0031AP0035AP0031AP0035AP0030AP0020AP0020AP0038AP0039AP0032AP0034AP0039AP0038AP0032AP0039AP0039AP0020 AP0054AP0045AP004CAP0020AP0020AP0031AP0033AP0039AP0034AP0032AP0032AP0039AP0036AP0035AP0031AP0033AP0020AP0020AP0051AP0051AP0020AP0020AP0033AP0037AP0036AP0033AP0031AP0035AP0031AP0035AP0030AP0020AP0020AP0038AP0039AP0032AP0034AP0039AP0038AP0032AP0039AP0039AP00203Ref.No. Component name Application/Function Operation/Condition/CompatibilityRF amplifier(pits and groove selector type, AGC, EQ), Gain selectortype I-V amplifier, Amplification of the light intensity signal output,IC1 CXA2523AR RF amplifier for MD Peak hold output, Bottom hold output, FE output, TE output, SEoutput, ADIP binary output, VREF output, APC PD amplifier andFZC formation comparator.EFM decoding, EFM digital PLL, ACIRC decoding, auto linkIC2 CXD2667R Digital signal processor for MDprocessing, ADIP decoding, Digital servos(focusing, tracking, sled,spindle CLV), ATRAC/ATRAC3 decoding, 1 bit D/A converter,Analogue post filter and 4M(1Mx4) DRAM built in.IC3 S-817A25ANB +2.5V AVR Power supply for IC2 internal logic circuits.IC4 LA6572 5 Ch BTL driverFocusing coil, tracking coil, spindle motor and sled motor driver, discloading and eject operation.IC5 NJM4580M1 Low pass filter 2nd low pass filter for audio signals.IC6 LP2982-3.3 A.3.3V AVR Power supply for DAC and LPF operational reference voltage.IC7 TC74HCT7007AF Buffer Buffer and logic level conversion from IC1,2 to IC8.IC8780076YGK-R11Mecha.MI-COM. Servo control, memory control, system control and interfacing.(X33-3160-00)IC8780076YGK-R14Mecha.MI-COM.Servo control, memory control, system control and interfacing.(X33-3180-00) Adapted to MD Group.IC9 W05-0906-00 EEPROM Servo coefficients and servo adjustment data backup memoryIC10 TC7WH126FU 3-State bufferWhen 1, 7 pin goes Hi, Sled servo operation is selected.When 1, 7 pin goes Lo, IC10's outputs is Hi-Z operation.IC11 TC7WH126FU 3-State bufferWhen 1, 7 pin goes Hi, Loading/Eject operation is selected.When 1, 7 pin goes Lo, IC11's outputs is Hi-Z operation.Q12SA1362(Y) orAPC(Auto Power Control) LD power control2SB1295Q2DTA114EUA orLD SWWhen Laser OFF mode is selected, Q2's base goes Lo, and Q1 isKRA302 or UN5111 turned off.Q3 2SC4116(Y) Disc refrection detect SW On when focusing point is passed during upward search.Q4 MCH6101 D.3.3V AVR driverWhen Loading/Eject operation or MD source is selected, Q4's outputis supplying D.3.3V to IC1-3, IC10 and IC11.Q5 DTA143XUAWhen SW5V SW is turned on, Q5 and Q6 are turned on, and A.+8VQ6DTC143EUA or A.8V SWis supplying to A.3.3V AVR and low pass filter circuit.KRC401KTA2014(Y,GR) orWhen MD source is selected, P-ON output goes Lo, and BU5V isQ7 2SA1576A or SW5V SWsupplying to microprocessor peripheral circuits and A.8V SW.2SB1218AQ8DTC143EUA orIC10 OUTPUT Hi-Z SWWhen Loading/Eject operation is selected, Q8's base goes Hi, andKRC401 IC10's outputs is Hi-Z operation.Q9DTC143EUA orA.8V SWWhen Loading/Eject operation is selected, Q9's base goes Hi, andKRC401 A.+8V is supplying to A.3.3V AVR and low pass filter circuit.X92-4110-0x/4570-0xa71MD UNIT(X33-3160/3180-00)COMPONENT DESCRIPTIONAP0077AP0077AP0077AP002E AP0078AP0069AP0061AP006FAP0079AP0075AP0031AP0036AP0033AP002E AP0063AP006FAP006DAP0051AP0051AP0033AP0037AP0036AP0033AP0031AP0035AP0031AP0035AP0030 AP0039AP0039AP0032AP0038AP0039AP0034AP0032AP0039AP0038AP0054AP0045AP004C AP0031AP0033AP0039AP0034AP0032AP0032AP0039AP0036AP0035AP0031AP0033 AP0039AP0039AP0032AP0038AP0039AP0034AP0032AP0039AP0038AP0030AP0035AP0031AP0035AP0031AP0033AP0036AP0037AP0033AP0051AP0051AP0054AP0045AP004CAP0020AP0020AP0031AP0033AP0039AP0034AP0032AP0032AP0039AP0036AP0035AP0031AP0033AP0020AP0020AP0051AP0051AP0020AP0020AP0033AP0037AP0036AP0033AP0031AP0035AP0031AP0035AP0030AP0020AP0020AP0038AP0039AP0032AP0034AP0039AP0038AP0032AP0039AP0039AP0020 AP0054AP0045AP004CAP0020AP0020AP0031AP0033AP0039AP0034AP0032AP0032AP0039AP0036AP0035AP0031AP0033AP0020AP0020AP0051AP0051AP0020AP0020AP0033AP0037AP0036AP0033AP0031AP0035AP0031AP0035AP0030AP0020AP0020AP0038AP0039AP0032AP0034AP0039AP0038AP0032AP0039AP0039AP00204X92-4110-0x/4570-0xMICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O Description Processing Operation1 DEEM O De-emphasis output (Lo: De-emphasis) Not used (N.C.)2 CSN O External DAC latch line Not used (N.C.)3 CCLK O External DAC clock line Not used (N.C.)4 CDTI O External DAC data line Not used (N.C.)5,6 NC O Not used (N.C.)7 ESDA I/O EEPROM serial data line8 ESCL I/O EEPROM serial clock line9 VSS0 - Ground connection terminal Connected to GND lines.10 VDD0 - Positive power supply connection terminal Connected to BU5V lines.11 P-ON O Unit internal power supply control output Lo: Power on12 LDON O Laser APC control output Hi: LD on13 MSDA I/O Serial data line with the system microprocessor (I2C BUS)14 MSCL I/O Serial clock line with the system microprocessor (I2C BUS)15 AMUTE O Audio muting output Lo: Audio signal muting16 XRST O DSP LSI & servo driver reset output Lo: Reset17 XLAT O Latch output to DSP LSI Latch at fall down edge pulse18 SRDT I Serial data input from DSP LSI19 SWDT O Serial data output to DSP LSI20 SCLK O Shift clock output to DSP LSI21 FLRxD O Data line for flush ROM writing Not used (N.C.)22 FLTxD O Clock line for flush ROM writing Not used (N.C.)23 LOE/LIMSW IPickup most inner position detect & loading end detect Hi: Loading endinput HiLo: Pickup most inner position detected24 VDD1 - Positive power supply connection terminal Connected to BU5V lines.25 AVSS - Ground connection terminal Connected to GND lines.26 MECHA SEL I Mechanism destination selection input Not used (Connected to GND line)27-31 NC I Not used (Connected to GND line)32 AUX1 I Not used (Connected to GND line)33 HOT I Temperature detection input Vth On: 3.87V, Vth Off: 3.74V34 AVREF I AD converter reference voltage input terminal35 AVCON O AVREF control outputHi: AVREF reference voltageLo: AVREF current cut-off (Standby)36 MRST I Reset input from the system microprocessor Lo: Reset37 XT2 - Sub clock resonator connection terminal 2 Not used (N.C.)38 XT1 I Sub clock resonator connection terminal 1 Not used (Connected to BU5V line)39 VPP I Flush ROM writing terminal Not used (Pull down to GND line)40 X2 - Main clock resonator connection terminal 241 X1 I Main clock resonator connection terminal 142 VSS1 - Ground connection terminal Connected to GND lines.a71IC8 (MD UNIT: X33-3160/3180-00)AP0077AP0077AP0077AP002E AP0078AP0069AP0061AP006FAP0079AP0075AP0031AP0036AP0033AP002E AP0063AP006FAP006DAP0051AP0051AP0033AP0037AP0036AP0033AP0031AP0035AP0031AP0035AP0030 AP0039AP0039AP0032AP0038AP0039AP0034AP0032AP0039AP0038AP0054AP0045AP004C AP0031AP0033AP0039AP0034AP0032AP0032AP0039AP0036AP0035AP0031AP0033 AP0039AP0039AP0032AP0038AP0039AP0034AP0032AP0039AP0038AP0030AP0035AP0031AP0035AP0031AP0033AP0036AP0037AP0033AP0051AP0051AP0054AP0045AP004CAP0020AP0020AP0031AP0033AP0039AP0034AP0032AP0032AP0039AP0036AP0035AP0031AP0033AP0020AP0020AP0051AP0051AP0020AP0020AP0033AP0037AP0036AP0033AP0031AP0035AP0031AP0035AP0030AP0020AP0020AP0038AP0039AP0032AP0034AP0039AP0038AP0032AP0039AP0039AP0020 AP0054AP0045AP004CAP0020AP0020AP0031AP0033AP0039AP0034AP0032AP0032AP0039AP0036AP0035AP0031AP0033AP0020AP0020AP0051AP0051AP0020AP0020AP0033AP0037AP0036AP0033AP0031AP0035AP0031AP0035AP0030AP0020AP0020AP0038AP0039AP0032AP0034AP0039AP0038AP0032AP0039AP0039AP00205MICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O Description Processing Operation43 MSTOP I Standby control input from the system microprocessorLo: Standby modeLoHi: Operation mode (Standby mode released)44 FZC I FZC interrupt request inputLoHi: Media detection (effective only at the timeof the disc detection)45 XINT I Interrupt request input form DSP LSI Lo: Interrupt status occurrence46 SQSY I Sub-code Q sink or ADIP sink input47 FG I FG pulse input (3 hole pulse equivalent) Not used (Connected to GND line)48 NC O Not used (N.C.)49 LDEJ IN ILOAD/EJECT output monitor input form the system When Hi is detected, mechanism microprocessormicroprocessor moves to the play/stop mode.Lo: Normal operation50 LADJ1 I Manual adjustment mode input Hi: Manual adjustment (Focussing Biasadjustment)51 TEST3 I Special test mode terminal 3 Not used (Pull down to GND line)52 IVRTBAL PASS I Mode switching terminal without automatic adjustment Not used (Pull down to GND line)53 AGC PASS I Mode switching terminal without automatic adjustment Not used (Pull down to GND line)54 SE MNT I SE display mode switching input Not used (Pull down to GND line)55 4M/16M I DRAM size switching input Not used (Connected to GND line)56 SDMUTE O Sled driver muting control output Hi: Muting on57 AUDIO INV I DAC output polarity selection input Lo: Polarity non-inverted, Hi: Polarity inverted58 M REM O Test mode memory remains output Not used (N.C.)59 TYPE1 I Destination selection input 1 Not used (Connected to GND line)60 TYPE2 I Destination selection input 2 Not used (Connected to BU5V line)61 C1 COUNT I C1 error count display mode switching input Not used (Pull down to GND line)62 SENS I Internal status input from DSP LSI63 TEST0 I Test mode terminal 0 Not used (Pull down to GND line)64 TESTE I Test mode terminal of EEPROM external input Not used (Pull down to GND line)X92-4110-0x/4570-0x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x/4570-0x6DESCRIPTION OF MECHANISM OPERATIONUpper chassis assemblyOuter case4231Loading arm assemblyCartridgeTraverse chassis assemblyTurntableAir damper x 4Optical pickupMechanism PCB1) This mechanism permits the re-loading of a cartridge afterit has been ejected.2) A cartridge cannot be inserted during power-off due to built-in automatic push-out cartridge (This is for preventing thebreakage of the mechanism).1. Configuration of main componentsThis mechanism consists of main components as shownin the figure below.The main purpose of the traverse chassis assembly ( 1 )is to hold a cartridge and read its signals form it.The main purpose of upper chassis assembly ( 2 ) andloading arm assembly ( 3 ) is to mechanically pull in and pushout a cartridg

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