Kenwood-KDSP-900-Service-Manual(1)电路原理图.pdf

© 2000-12 PRINTED IN JAPANB51-7713-00 (N)3381DVD SURROUND PROCESSORKDS-P900SERVICE MANUALCENTERSUBW FRONTRFRONTL REARRREARLAVINRAVINLTOMZ-BUSDIGITALINCD-CH1DIGITALINTV/DVDDigital Signal ProcessorDIGITALDIGITALSURROUNDMetallic cabinet(A01-2742-01)Cord with plug(E30-4740-05)Magic tape(H30-0051-05)Screw set(N99-1558-05)Cord with connector(E30-4938-05)Mounting hardware(J21-3801-04) x2KDS-P9002BLOCK DIAGRAMA8V AVRM5237MLA5V AVRBA178M05TLM2595S-ADJD3.3V AVR2SB1184SW9VMC033063AD-9VB.U5V2SB1565CDTICCLKCDT0ERFCSDIRDSPSSCLKRSTSIS0IERXIETXIEONHA12187FPMZ-BUS DRIVERCLKDATASELEVOLSYSTEM u-COM703035AGC-XXXB.U DETMZ-BUS CNSELTDA7501EVOL +6dBINPUT GAINBA3121FISOAV IN(+4.6dB)BUFFNJM4565M-TE2AK5353VTA/DAK4112ADIRD IND INDSP56362PV200DSP 6ch D/AAK4356VQL.P.FNJM4565M-TE2(-6.5dB)(CD IN)+3dB2ZONEVOLANALOG : +2dBDIGITAL : 0dB2ZONE : 0dBNJM4565M-TE2BUFF(-3dB)MUTENJM4565M-TE2PRE AMP(9.1dB)(9.1dB+15dB)NJM4565M-TE2PRE AMPPRE OUTA8VA5VD3.3VSW9VSW-9VB.U5VPONSYS ONRESETMUTEBUDETB.U5VDAPDB.U5VBUS+B.UGNDMUTEBUS ONRESETBUS-REAR OUTFRONT OUTAUDIO I/OCD INA8VA5V A5VD3.3VD3.3V A5VA8VCASS INA OUTRRRLFRFLCENTERSUBSW9V,FRONT L,RREAR L,RSW9V,-9VCENTERSUBFRFLRRRLSW9V,-9VSW9VA8V-9VAM : 200mVFM,TV : 600mVCD, MD,DVD,CH : 1200mVANALOGAV : 920mVAV : 800mVFM,TV : 400mVCD, MD,DVD,CH : 800mVANALOGAM : 135mVFM,TV : 720mVCD,MD,DVD,CH,SUB : 240mVCD, MD,DVD,CH : 1400mVANALOGAM : 240mVDIGITALCD,DVD,CH : 1840mVAV : 1400mVCD,MD,DVD,CH,SUB : 120mVAV : 680mVCD,DVD,CH : 865mVFM,TV : 340mVAM : 110mVDIGITALCD, MD,DVD,CH : 680mVANALOGAM : 750mVCD,MD,DVD,CH : 4500mVAV : 4500mVDIGITALFM,TV : 2250mVCD,MD,DVD,CH,SUB : 4500mVCD, MD,DVD,CH : 4500mVANALOGAM : 285mVCD,MD,DVD,CH : 1700mVAV : 1700mVDIGITALFM,TV : 850mVCD,MD,DVD,CH,SUB : 300mVCD, MD,DVD,CH : 1700mVANALOGCD, MD,DVD,CH : 480mVFM,TV : 240mVANALOGAM : 80mVAV : 480mVAM : 200mVCD,MD,DVD,CH : 1200mVAV : 1200mVFM,TV : 600mVCD, MD,DVD,CH : 1200mVDIGITALANALOGKDS-P9003COMPONENTS DESCRIPTIONRelation Between 2ZONE MUTE TerminalsMUTE_F Terminal MUTE_R Terminal MUTE Terminal2zone ON Lo output Hi outputHi: MUTE ONSpeaker Select NORMAL (Muting enabled for Front speakers)2zone ONHi output Lo outputHi: MUTE ONSpeaker Select REVERSE (Muting enabled for Rear speakers)2zone OFF Lo output Lo outputHi: MUTE ON(Muting enabled for Front/RRef. Purpose, Function Operation, Condition, CompatibilityPROCESSOR UNIT (X32-4980-00) IC1 System microcomputerIC2 DSP ICIC3 DIRIC4 A/D converter Analog-to-digital conversion.IC5 E-VOLIC6 D/A converter Digital-to-analog conversion.IC7 Inverter for DSP IC's oscillatorIC8 Isolation IC Isolation IC for AUDIO IN.IC9 Switching regulator DIGITAL 3.3 V AVR.IC10 Power supply IC Preamp (for -9 V).IC12 Reset ICExecutes resetting at below 4.2 V (Output L).IC13 BUS IC Bus communication IC.IC14 Power supply IC AVR for AUDIO 5 V.IC15 Power supply ICIC16 SRAM for DSP ICIC17 SRAM for DSP ICIC18 ROM for dtsIC19 Opamp Opamp for reference voltage output.IC20- 22 Opamp D/A converter output LPF.IC23- 25 Opamp Opamp for Pre-Out output.IC26 Muting logic circuit 2-input NOR (x 2).IC28, 29 Opamp Bus audio output buffer.IC30 Opamp A/D converter input buffer.IC31 Muting logic circuit 2-input NOR (x 2).IC32 Muting logic circuit 2-input AND.Q1-3 Preamp (+9 V) SWSupplies +9 V when the bases of Q1andQ3 are “H“ and the base of Q2 is “L“.Q4- 6 Preamp (-9 V) SWSupplies -9 V when the bases of Q4 andQ6 are “L“ and the base of Q5 is “H“.Q7, 8 Preamp (+9 V) AVR Turns ON when the base of Q7 is “H“.Ref. Purpose, Function Operation, Condition, CompatibilityQ9, 10 Preamp (+9 V) SW Turns ON when the base of Q10 is “H“.Q11, 12 AUDIO +B AVR Turns ON when pin 2 of Q12 is “H“.Q13, 14 AUDIO 5 V SW Turns ON when pin 2 of Q17 is “H“.Q16 DIGITAL 3.3 V SW Turns ON when the base is “H“.Q17 AUDIO 5 V SW Turns ON when pin 2 of Q17 is “H“.Q18, 19 B.U. 5 V AVR Turns ON when the base of Q18 is “H“.Q101 P-ON 5 V Turns ON when the base is “L“.Q103 System ON/OFF request SWTurns ON and sends the System ON request when the base is “H“.Q104 Back-Up detection SWTurns ON when Back-Up is “H“, OFF when power down is detected.Q105 Reset SW Executes resetting when the base is“H“.Q106 IC26 muting SW Turns ON to apply muting when the base is“L“.Q107 BUS MUTE inversion SW Turns ON when BUSMUTE is “H“.Q201 FET 5 V:3.3 V level shifting FET.Q202 FET 5 V:3.3 V level shifting FET.Q204 FET 5 V:3.3 V level shifting FET.Q301 E-VOL muting SW Turns ON to apply muting when the base is “H“.Q499 PRE-OUT muting SW Turns ON to mute CENTER/SUB when pin 2is“H“.Q500 PRE-OUT muting SW Turns ON to mute FR/FL when pin 2 is “H“.Q501 PRE-OUT muting SW Turns ON to mute RR/RL when pin 2 is “H“.Q502 PRE-OUT muting SWTurns ON to mute CENTER when pin 2 of Q499 is “H“.Q503 PRE-OUT muting SWTurns ON to mute SUB when pin 2 of Q499 is “H“.Q504 PRE-OUT muting SW Turns ON to mute FR when pin 2 of Q500 is“H“.Q505 PRE-OUT muting SW Turns ON to mute FL when pin 2 of Q500 is “H“.Q506 PRE-OUT muting SWTurns ON to mute RR when pin 2 of Q501 is “H“.Q507 PRE-OUT muting SWTurns ON to mute RL when pin 2 of Q500 is “H“.KDS-P9004MICROCOMPUTER'S TERMINAL DESCRIPTIONPin Pin Name I /O Purpose Processing OperationProcessing DuringNon-OperationSystem Microcomputer 703035AGC-015 : IC1 (X32-4980-00)1 DIR_CS O DIR (AK4112A) chip select. L: DIR communication permitted. H2 MUTE_F O FRONT muting enable terminal.L: 2-zone main source(when 2ZONE is OFF). HH: 2-zone sub source.3 DIR CDTI I DIR (AK4112A) DATA input terminal. DIR data input. Input4 DIR CDTO O DIR (AK4112A) DATA output terminal. DIR data output. Last status held5 DIR CCLK O DIR (AK4112A) CLOCK output terminal. DIR communication clock output. H6 Evdd - Positive power supply terminal for function-sharing terminals. Positive power supply. -7 Evss - GND terminal for function-sharing terminals. GND potential. -8-11 NC O Not used. Open (Output fixed at Low). L12 DSP_SI I DSP (DSP56362) DATA input terminal. DSP data input13 DSP_SO O DSP (DSP56362) DATA output terminal. DSP data output. Last status held14 DSP_CLK O DSP (DSP56362) CLOCK output terminal. DSP communication clock output. L15 DSP_SS O DSP (DSP56362) Communication Permission output terminal. L: Start of communication permitted. H16 DSP_RST O (DSP56362) RESET output terminal. L: DSP Reset. H17 NC O Not used. Open (Output fixed at Low). L18 IC/Vpp - IConnected directly to Vss. Internally connected terminal. -19 DA_PD O D/A converter Power Down SW. L: Power Down. H20 P_ON O P-ON control output terminal. H: OFF. L: ON. Hi-Z21,22 NC O Not used. Open (Output fixed at Low). L23 IERX I IE bus input. IE bus input.24 IETX O IE bus output. IE bus output. L25,26 NC O Not used. Open (Output fixed at Low). L27 IE_ON O IEBUS current driver power supply terminal. L: STBY. H: Bus communication permitted. L28 MUTE O MUTE control terminal. L: OFF. H: ON. L29,30 NC O Not used. Open (Output fixed at Low). L31 RESET I System reset input L: Reset. H: Start of operation. -32 XT1 I Sub system clock oscillation terminal. Open. -33 XT2 - Sub system clock oscillation terminal. Open. -34 REGC I Regulator oscillator connection terminal. Connection of an electrolytic capacitor (1 uF). -35 X2 - Main system clock oscillation terminal (12.58 MHz). System clock oscillation terminal. -36 X1 I Main system clock oscillation terminal (12.58 MHz). System clock oscillation terminal. -37 Vss - GND potential. GND potential. -38 Vdd - 5 V potential. 5 V potential. -39 CLKOUT O Internal system clock output terminal. -40-54 NC O Not used. Open (out fixed at Low). L55 BVdd - Positive power supply for bus interfacing. -56 BVss - GND for bus interfacing. -57-69 NC O Not used. Open (Output fixed at Low). L70 REF_CON O A/D port reference voltage control terminal. A/D reference voltage control.71 Avdd - A/D power supply. -72 Avss - A/D GND potential. -73 Avref I A/D port reference voltage input. A/D reference voltage input. -74-85 NC I Not used Connected to GND potential.86 NC O Not used Open (Output fixed at Low). L87 BU_DET I Back-Up detection terminal.L: Back-Up ON detection.Open (Output fixed at Low).Detection voltage: 8.12 - 8.42 V.88 NC O Not used. Open (Output fixed at Low). L89 SYS_REQ I K-Bus ON request detection terminal. L: System ON request detected. Input90,91 NC O Not used. Open (Output fixed at Low). L92 DIR_ERF I DIR digital data error input terminal. L: Normal. H: Error.93 NC O Not used. Open (Output fixed at Low). L94 EVOL_SEL O E-VOL (A354) selector output terminal. L: Communication permitted. H95 EVOL_DATA O E-VOL (A354) DATA output terminal. Electronic Volume data output. Last status held96 EVOL_CLK O E-VOL (A354) CLOCK output terminal.Electronic Volume communicationHclock output.97-99 NC O Not used. Open (Output fixed at Low). L100 MUTE_R O Rear muting enable terminal.L: 2-zone main source (when 2ZONE is OFF). HH: 2-zone sub source.A B C D E F G H I J123456756R34R13R11R25R24R4R30R31C520C515C20C24C523C504C507C512R10R33C101R330R328R329R122R327R325R345R213R332R131L65L4L1 R408R405R324R322R323R5R14R6R8R114R115R132R116R326R104R331R521R520C217R518R517C204C203C216C210C215R523C221C322C323C321C320C327C328R510R514R515C302C208R511C316C228R534R535C32C27R532R531R542R541C4C14R537R539C206R527C317C214C212R525C226R528C52C107C329R333R356R334R336R335R352R321R353R355R354R342R341R343R344R338R337R339R340R302R301R304R347R346R218R350R349R351R348R307R308R401C332C333C351R504C338C334C344C345C343R508C349C350R506R505C410C407R402R403R404R431C339C340R438 R434R435R220R221R222L7C218C205R36R35C8C237R141R143C103C227C233C501C506C514C112R144C22R101E BEBEBEBEBEBEBE BE BEB E BBEB EEBEBBEEB15431243D6Q3Q7Q105Q5Q301Q106Q16D104D202D201D102D9Q4Q6Q505Q504 Q507Q506Q503Q101Q502IC32D401D10Q107D105D203D204D205IC12D107Q8D11L63L64X2C305C306R12L101R3R32C521C505C513R7 R9R411R410C95L69C94R409R406R407R128R130R120R123R125R124R129R211R206R207R209R210R202R204R205R201R203R28R29R102R140R1R2R26L3R142R112R214L2R109C224R516R519C229C230C223C219 C220C326R513C313R522R509R512R529R533R536R530R543C3R538R540R526R524C202C201C111C106C419R303R219R309R310R503C337R499R507R502C348C416R432R433R437 R436CP25CP24 CP28CP27CP23CP1CP22CP2CP32CP33CP34CP29CP30CP31CP4X3CP3CP21X1C102CP26R305 R306C528R27CP5L5R133W1W2C108R313R312R500R501C238C239R15FR RR RLSUBCE FLC26C526C336C352C331C324C341C315C325 C347C330C346C357C356C401C402C403C335C353 C342C355C354C314C21C17C104C209C207C2C1C11C16C213C231C222C318C303C232C211C225C404C508C509 C510C420C502C503C511C519C524C525C516C517 C518C409C411 C412C405 C406C408C418 C417 C415C15C51C5C9C33C23C13C25C301L6C421C18C234L67C527C110C308 C307 C310C309 C312C311C304L68C7C6C423C422C424C12C235C23614585814DSGSDGSGBEBEBEEBEBEBEBBE1458BEE BEE EEB14 585814145814581 5GOIBEEBEE8 5418 54110017675515026255 8411 32171623 221441224423144136377273 10810922233334441111214581141528189 16185414411122223333414581458 81458145D11 14 15 18110BEBEEBIOGD4D5IC8IC15Q104Q13Q103Q1Q18D103D501D502D503IC10IC22IC20IC13IC28IC29IC30IC25IC21IC23 IC24Q2Q17IC9IC4Q499IC31IC5IC7IC3IC2IC1IC6Q12Q204Q201Q202IC16 IC17IC26IC18Q500IC19Q501Q10Q9IC14Q11Q14J4D301D1D101D2D7J5J6Q19J3X32-4980-00(J74-1055-22)PC BOARD (COMPONENT SIDE VIEW)IC Q16H25E35F44E54C66D75E82D94G10 3F12 6H13 6H14 3I15 3H16 6F17 6G18 5G19 4B20 5B21 5D22 5C23 2C24 2C25 2D26 5H28 2F29 2F30 4D31 5H32 5H13F23F33F43F53F63F73G83G93G10 3G11 3I12 2I13 4I14 3I16 4H17 3I18 6H19 5H101 6H103 5H104 5I105 6H106 5H107 5H201 4F202 5F204 5G301 4C499 2D500 2C501 2C502 2C503 2C504 2C505 2C506 2D507 2DX32-4980-00Refer to the schematic diagram for the values of resistors and capacitors.K L M N O P Q R S T123456778C103R132R31R326R331R355 R350R345C327C328R325R321C323R323R322R324C322C321R332R349R348R347R346C345R330C329R327R328R329C344C350C343C349ER304BR213R343 R338C317C203R307R333C316R337R356R344C334R336R334R335C351R354R353R351R352C333C339C332C338R341C340R342R340R339R308C320C204C206L65R218C217R221R220R222C215C208C210C214C216C221C212BEC227C233R11512BEC107R1313R1144C205C218C32C228C226C237C52C1124R141R14331R104R101R144R122BE5R24C14BER520R518R521C512R302R301R504R515R510R505R508C504R514R517BR511B EE C507R506EC501R11R6R401R402C410C302R539R537C523R528R527R523R532R535C520R531R525E BC515BR534EBR541R542R403BER404EC4R4BER435 R438R434C506C514C407C27R14 R8E BBR5BER35R13C8R36BER431L1BEL4R405R408R10R25C101R116C22L7C24R30R34C20R33Q301Q101Q105D102IC12IC32Q107D107D105Q106D104Q16Q502Q504 Q503D203D205D204Q505Q506D201Q507Q5Q3D202D401D10Q7Q4Q6D9Q8D11D6C25C21C17C1623411C309C325C330C352 C34788C32441C353C346 C331541C326C308C30485C307C348C310C31813334C22214C220109144C94L63R203C314C336C341C1104411112R219CP22CP23CP21R2057273CP24CP25CP26CP27108C35785C315C342 C33554133342322C312C337C311441R305C305R3101C355R3124C354R306C306C3561C236R202R2018541X2R20437C202 C20136128R210GDSC2138C207 R313598C209R309R206R207CP2916R2091DSG15C219C211CP244144CP2823CP30CP3422162317C951L6422R1128 54CP31L101C106R10925W1R133W226C229C234CP32CP33CP31R211C235C230132C225SGDC33R214C239C224C223C238X1C231C232L5C51R102181R142R140CP141100C1085C1114EBCP45L68C1315L67FR CESUBC313C502C303R303C516C511C50822R502R507C503R503R513R516C509C50545R522C510R509C517418C528 R5121R519BER501ER1EBR433C406 C405C404FLRL RRC403C524C301C51912C527C411R530R524R529C518C5135R536C5254ER5008R5261R533EBR540R538C5265C521R5434C4081R4998EBEC401C412C3R2R3C2C420C40958C402C418R437C1C417R436C511141518R410BL68BC6EL69R12C74185R15C423C416C415R432R274C945C4241R40918C422L2R406R407C11C4195EEB8C421L3R9 R7C18R26R29GOC26R411110R129X3R130R1285150C10475CP576R125R124C102R123EBR120C23BEEBBBEEER28IGIOR32BEBC15C12BEEEIC1D101IC15IC9IC5IC20IC19IC7J5IC21IC6IC22IC30IC2Q202IC4Q201IC3IC16IC17J6IC13IC18Q204IC31IC26Q103D4D502D301IC23D501Q501IC25D503Q500IC24IC8Q499Q2J3X32-4980-00 (J74-1055-22)D1IC10Q1D2IC28IC29Q9Q10J4D103Q104Q19D7Q18IC14Q14Q13Q17D5Q11Q12PC BOARD (FOIL SIDE VIEW)IC Q16M25P3444P54R66Q75P82Q94N10 3O12 6M13 6M14 3L15 3M16 6O17 6N18 5N19 4S20 5S21 5Q22 5R23 2R24 2R25 2Q26 5M28 2O29 2O30 4Q31 5M32 5M13O23O33O43O53O63O73N83N93N10 3N11 3L12 2L13 4L14 3L16 4M17 3L18 4L19 4L101 6M103 5M104 5L105 6M106 5M107 5M201 4P202 5O204 5N301 4R499 2Q500 2R501 2R502 2S503 2R504 2R505 2R506 2Q507 2QX32-4980-00Refer to the schematic diagram for the values of resistors and capacitors.A B C D E F G H I J1234567J3Q504Q505Q503Q502Q507Q506D503D201D202D401D11D10D2Q8Q7Q9Q10D9D1Q6Q4Q5Q2Q3Q1D205Q301Q501Q12Q11D204D203LR/LF/LSUB/WAUXD502D501J4Q17D301LchRchD5Q14Q13D6D4Q16Q201Q202Q19Q18D7D101Q104Q106D105D104D102Q105BU DET SWRESET ICRR/RF/RCE(E30-4740-05)OP-AMP OP-AMPPREAMP+9V SW-9V SWPREAMPPOWER IC +9V AVRPREAMP+9V SWPREAMPPOWER ICAUDIO+B AVRPOWER IC AUDIO5V SWB.U5VAVRIC26MUTE SWRESET SWDIRA/D CONVERTEROP-AMPOP-AMPOP-AMPOP-AMPOP-AMPE-VOLD/A CONVERTEROP-AMPOP-AMPOP-AMPPRE OUTMUTE SWMUTE SWPRE OUTFETFETDIGITAL3.3V SWE-VOLMUTE SWQ500Q499Q107ISOLATION AMPSW REGULATORBUS MUTEINVERT SWMUTECIRCUITLOGICCIRCUITLOGICMUTE2200PC50422KR50822KR5102200PC5078765VCCOUT2-2+21234OUT1-1+1-BR503 5.6K3KR5022200PC528 100KR5092425100R517R524C511 47u16R522 100K100KR5293K5.6KVCCOUT2+2-26578+1-1-B432OUT11R516 R5193KC51010u504.7KR525R520R5184.7K22K22K470C5152200P2200PR523R521C5122829R5265.6KR528470 10u50C517100R527+C50847u50+R5131.3KR51220KR507 100KC502 4.7u50+C50310u50+C50910u