Kenwood-KDSP-900-Service-Manual(2) 电路图 维修手册.pdf

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1、 2000-12 PRINTED IN JAPAN B51-7713-00 (N)3381 DVD SURROUND PROCESSOR KDS-P900 SERVICE MANUAL CENTER SUBW FRONT R FRONT L REAR R REAR L AV IN R AV IN L TO MZ-BUS DIGITAL IN CD-CH 1 DIGITAL IN TV/DVD Digital Signal Processor D I G I T A L D I G I T A L S U R R O U N D Metallic cabinet (A01-2742-01) Co

2、rd 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) x2 RadioFans.CN 收音机爱 好者资料库 KDS-P900 2 BLOCK DIAGRAM A8V AVR M5237ML A5V AVR BA178M05T LM2595S-ADJ D3.3V AVR 2SB1184 SW9V MC033063AD -9V B.U5V 2SB1565 CDTI CCL

3、K CDT0 ERF CS DIR DSP SS CLK RST SI S0 IERX IETX IEON HA12187FP MZ-BUS DRIVER CLK DATA SEL EVOL SYSTEM u-COM 703035AGC-XXX B.U DET MZ-BUS CN SEL TDA7501 EVOL+6dB INPUT GAIN BA3121F ISO AV IN (+4.6dB) BUFF NJM4565M-TE2 AK5353VT A/D AK4112A DIR D IN D IN DSP56362PV200 DSP6ch D/A AK4356VQ L.P.F NJM4565

4、M-TE2 (-6.5dB) (CD IN) +3dB 2ZONE VOL ANALOG : +2dB DIGITAL : 0dB 2ZONE : 0dB NJM4565M-TE2 BUFF (-3dB) MUTE NJM4565M-TE2 PRE AMP (9.1dB) (9.1dB+15dB) NJM4565M-TE2 PRE AMP PRE OUT A8V A5V D3.3V SW9V SW-9V B.U5V PON SYS ON RESET MUTE BUDET B.U5V DAPD B.U5V BUS+ B.U GND MUTE BUS ON RESET BUS- REAR OUT

5、FRONT OUT AUDIO I/O CD IN A8V A5VA5V D3.3V D3.3VA5V A8V CASS IN A OUT RR RL FR FL CENTER SUB SW9V, FRONT L,R REAR L,R SW9V,-9V CENTER SUB FR FL RR RL SW9V,-9V SW9V A8V -9V AM : 200mV FM,TV : 600mV CD, MD,DVD,CH : 1200mV ANALOG AV : 920mV AV : 800mV FM,TV : 400mV CD, MD,DVD,CH : 800mV ANALOG AM : 135

6、mV FM,TV : 720mV CD,MD,DVD,CH,SUB : 240mV CD, MD,DVD,CH : 1400mV ANALOG AM : 240mV DIGITAL CD,DVD,CH : 1840mV AV : 1400mV CD,MD,DVD,CH,SUB : 120mV AV : 680mV CD,DVD,CH : 865mV FM,TV : 340mV AM : 110mV DIGITAL CD, MD,DVD,CH : 680mV ANALOG AM : 750mV CD,MD,DVD,CH : 4500mV AV : 4500mV DIGITAL FM,TV : 2

7、250mV CD,MD,DVD,CH,SUB : 4500mV CD, MD,DVD,CH : 4500mV ANALOG AM : 285mV CD,MD,DVD,CH : 1700mV AV : 1700mV DIGITAL FM,TV : 850mV CD,MD,DVD,CH,SUB : 300mV CD, MD,DVD,CH : 1700mV ANALOG CD, MD,DVD,CH : 480mV FM,TV : 240mV ANALOG AM : 80mV AV : 480mV AM : 200mV CD,MD,DVD,CH : 1200mV AV : 1200mV FM,TV :

8、 600mV CD, MD,DVD,CH : 1200mV DIGITAL ANALOG RadioFans.CN 收音机爱 好者资料库 KDS-P900 3 COMPONENTS DESCRIPTION Relation Between 2ZONE MUTE Terminals MUTE_F TerminalMUTE_R TerminalMUTE Terminal 2zone ON Lo outputHi output Hi: MUTE ON Speaker Select NORMAL(Muting enabled for Front speakers) 2zone ON Hi output

9、Lo output Hi: MUTE ON Speaker Select REVERSE(Muting enabled for Rear speakers) 2zone OFFLo outputLo output Hi: MUTE ON (Muting enabled for Front/R Ref.Purpose, FunctionOperation, Condition, Compatibility PROCESSOR UNIT (X32-4980-00) IC1System microcomputer IC2DSP IC IC3DIR IC4A/D converterAnalog-to-

10、digital conversion. IC5E-VOL IC6D/A converterDigital-to-analog conversion. IC7Inverter for DSP ICs oscillator IC8Isolation ICIsolation IC for AUDIO IN. IC9Switching regulatorDIGITAL 3.3 V AVR. IC10Power supply ICPreamp (for -9 V). IC12Reset IC Executes resetting at below 4.2 V (Output L). IC13BUS IC

11、Bus communication IC. IC14Power supply ICAVR for AUDIO 5 V. IC15Power supply IC IC16SRAM for DSP IC IC17SRAM for DSP IC IC18ROM for dts IC19OpampOpamp for reference voltage output. IC20- 22OpampD/A converter output LPF. IC23- 25OpampOpamp for Pre-Out output. IC26Muting logic circuit2-input NOR (x 2)

12、. IC28, 29OpampBus audio output buffer. IC30OpampA/D converter input buffer. IC31Muting logic circuit2-input NOR (x 2). IC32 Muting logic circuit2-input AND. Q1-3Preamp (+9 V) SW Supplies +9 V when the bases of Q1and Q3 are H and the base of Q2 is L. Q4- 6Preamp (-9 V) SW Supplies -9 V when the base

13、s of Q4 and Q6 are L and the base of Q5 is H. Q7, 8Preamp (+9 V) AVRTurns ON when the base of Q7 is H. Ref.Purpose, FunctionOperation, Condition, Compatibility Q9, 10Preamp (+9 V) SWTurns ON when the base of Q10 is H. Q11, 12AUDIO +B AVRTurns ON when pin 2 of Q12 is H. Q13, 14AUDIO 5 V SWTurns ON wh

14、en pin 2 of Q17 is H. Q16DIGITAL 3.3 V SWTurns ON when the base is H. Q17AUDIO 5 V SWTurns ON when pin 2 of Q17 is H. Q18, 19B.U. 5 V AVRTurns ON when the base of Q18 is H. Q101P-ON 5 VTurns ON when the base is L. Q103System ON/OFF request SW Turns ON and sends the System ON request when the base is

15、 H. Q104Back-Up detection SW Turns ON when Back-Up is H, OFF when power down is detected. Q105Reset SWExecutes resetting when the base isH. Q106IC26 muting SWTurns ON to apply muting when the base isL. Q107BUS MUTE inversion SWTurns ON when BUSMUTE is H. Q201FET5 V:3.3 V level shifting FET. Q202FET5

16、 V:3.3 V level shifting FET. Q204FET5 V:3.3 V level shifting FET. Q301E-VOL muting SWTurns ON to apply muting when the base is H. Q499PRE-OUT muting SWTurns ON to mute CENTER/SUB when pin 2isH. Q500PRE-OUT muting SWTurns ON to mute FR/FL when pin 2 is H. Q501PRE-OUT muting SWTurns ON to mute RR/RL w

17、hen pin 2 is H. Q502PRE-OUT muting SW Turns ON to mute CENTER when pin 2 of Q499 is H. Q503PRE-OUT muting SW Turns ON to mute SUB when pin 2 of Q499 is H. Q504PRE-OUT muting SWTurns ON to mute FR when pin 2 of Q500 isH. Q505PRE-OUT muting SWTurns ON to mute FL when pin 2 of Q500 is H. Q506PRE-OUT mu

18、ting SW Turns ON to mute RR when pin 2 of Q501 is H. Q507PRE-OUT muting SW Turns ON to mute RL when pin 2 of Q500 is H. RadioFans.CN 收音机爱 好者资料库 KDS-P900 4 MICROCOMPUTERS TERMINAL DESCRIPTION PinPin NameI /OPurposeProcessing Operation Processing During Non-Operation System Microcomputer 703035AGC-015

19、 : IC1 (X32-4980-00) 1DIR_CSODIR (AK4112A) chip select.L: DIR communication permitted.H 2MUTE_FOFRONT muting enable terminal. L: 2-zone main source (when 2ZONE is OFF).H H: 2-zone sub source. 3DIR CDTIIDIR (AK4112A) DATA input terminal.DIR data input.Input 4DIR CDTOODIR (AK4112A) DATA output termina

20、l.DIR data output.Last status held 5DIR CCLKODIR (AK4112A) CLOCK output terminal.DIR communication clock output.H 6Evdd-Positive power supply terminal for function-sharing terminals.Positive power supply.- 7Evss-GND terminal for function-sharing terminals.GND potential.- 8-11 NCONot used.Open (Outpu

21、t fixed at Low).L 12DSP_SIIDSP (DSP56362) DATA input terminal.DSP data input 13DSP_SOODSP (DSP56362) DATA output terminal.DSP data output.Last status held 14DSP_CLKODSP (DSP56362) CLOCK output terminal.DSP communication clock output.L 15DSP_SSODSP (DSP56362) Communication Permission output terminal.

22、L: Start of communication permitted.H 16DSP_RSTO(DSP56362) RESET output terminal.L: DSP Reset.H 17NCONot used.Open (Output fixed at Low).L 18IC/Vpp-IConnected directly to Vss.Internally connected terminal.- 19DA_PDOD/A converter Power Down SW.L: Power Down.H 20P_ONOP-ON control output terminal.H: OF

23、F. L: ON.Hi-Z 21,22NCONot used.Open (Output fixed at Low).L 23IERXIIE bus input.IE bus input. 24IETXOIE bus output.IE bus output.L 25,26NCONot used.Open (Output fixed at Low).L 27IE_ONOIEBUS current driver power supply terminal.L: STBY. H: Bus communication permitted.L 28MUTEOMUTE control terminal.L

24、: OFF. H: ON.L 29,30NCONot used.Open (Output fixed at Low).L 31RESETISystem reset inputL: Reset. H: Start of operation.- 32XT1ISub system clock oscillation terminal.Open.- 33XT2-Sub system clock oscillation terminal.Open.- 34REGCIRegulator oscillator connection terminal.Connection of an electrolytic

25、 capacitor (1 uF).- 35X2-Main system clock oscillation terminal (12.58 MHz). System clock oscillation terminal.- 36X1IMain system clock oscillation terminal (12.58 MHz). System clock oscillation terminal.- 37Vss-GND potential.GND potential.- 38Vdd-5 V potential.5 V potential.- 39CLKOUTOInternal syst

26、em clock output terminal.- 40-54NCONot used.Open (out fixed at Low).L 55BVdd-Positive power supply for bus interfacing.- 56BVss-GND for bus interfacing.- 57-69NCONot used.Open (Output fixed at Low).L 70REF_CONOA/D port reference voltage control terminal.A/D reference voltage control. 71Avdd-A/D powe

27、r supply.- 72Avss-A/D GND potential.- 73AvrefIA/D port reference voltage input.A/D reference voltage input.- 74-85NCINot usedConnected to GND potential. 86NCONot usedOpen (Output fixed at Low).L 87BU_DETIBack-Up detection terminal. L: Back-Up ON detection. Open (Output fixed at Low). Detection volta

28、ge: 8.12 - 8.42 V. 88NCONot used.Open (Output fixed at Low).L 89SYS_REQIK-Bus ON request detection terminal.L: System ON request detected.Input 90,91NCONot used.Open (Output fixed at Low).L 92DIR_ERFIDIR digital data error input terminal.L: Normal. H: Error. 93NCONot used.Open (Output fixed at Low).

29、L 94EVOL_SELOE-VOL (A354) selector output terminal.L: Communication permitted.H 95EVOL_DATAOE-VOL (A354) DATA output terminal.Electronic Volume data output.Last status held 96EVOL_CLKOE-VOL (A354) CLOCK output terminal. Electronic Volume communication H clock output. 97-99NCONot used.Open (Output fi

30、xed at Low).L 100 MUTE_RORear muting enable terminal. L: 2-zone main source (when 2ZONE is OFF). H H: 2-zone sub source. ABCDEFGHIJ 1 2 3 4 5 6 7 56 R34 R13 R11 R25R24 R4 R30 R31 C520 C515 C20 C24 C523 C504 C507 C512 R10 R33 C101 R330 R328 R329 R122 R327 R325 R345 R213 R332 R131 L65 L4 L1R408 R405 R

31、324 R322 R323 R5 R14 R6 R8 R114 R115 R132 R116 R326 R104 R331 R521 R520 C217 R518 R517 C204 C203 C216 C210 C215 R523 C221 C322 C323 C321 C320 C327C328 R510 R514 R515 C302 C208 R511 C316 C228 R534 R535 C32 C27 R532 R531 R542 R541 C4 C14 R537 R539 C206 R527 C317 C214 C212 R525 C226 R528 C52 C107 C329

32、R333 R356 R334 R336 R335 R352 R321 R353 R355 R354 R342 R341 R343 R344 R338 R337 R339 R340 R302 R301 R304 R347 R346 R218 R350 R349 R351 R348 R307 R308 R401 C332 C333 C351 R504 C338 C334 C344 C345 C343 R508 C349C350 R506 R505 C410 C407 R402 R403 R404 R431 C339 C340 R438 R434 R435 R220 R221 R222 L7 C21

33、8 C205 R36 R35 C8 C237 R141 R143 C103 C227 C233 C501 C506 C514 C112 R144 C22 R101 EB E B E B EB EB E B E BE B E B EBEB BE B E E B E B B E EB 1 5 4 3 1 2 4 3 D6 Q3 Q7 Q105 Q5 Q301 Q106 Q16 D104 D202 D201 D102 D9 Q4Q6 Q505 Q504 Q507 Q506 Q503 Q101 Q502 IC32 D401 D10 Q107 D105 D203 D204 D205 IC12 D107

34、Q8 D11 L63 L64 X2 C305 C306 R12 L101 R3 R32 C521 C505 C513 R7 R9 R411 R410 C95 L69 C94 R409 R406 R407 R128 R130 R120 R123 R125 R124 R129 R211 R206 R207 R209 R210 R202 R204 R205 R201 R203 R28 R29 R102 R140 R1 R2 R26 L3 R142 R112 R214 L2 R109 C224 R516R519 C229 C230 C223 C219 C220 C326 R513 C313 R522

35、R509 R512 R529 R533 R536 R530 R543 C3 R538R540 R526 R524 C202C201 C111 C106 C419 R303 R219 R309 R310 R503 C337 R499 R507 R502 C348 C416 R432 R433 R437 R436 CP25 CP24 CP28 CP27 CP23 CP1 CP22 CP2 CP32 CP33 CP34 CP29 CP30 CP31 CP4 X3 CP3 CP21 X1 C102 CP26 R305R306 C528 R27 CP5 L5 R133 W1 W2 C108 R313 R

36、312 R500 R501 C238 C239 R15 FRRRRLSUBCEFL C26 C526 C336 C352 C331 C324 C341 C315 C325 C347 C330 C346 C357C356 C401 C402 C403 C335 C353 C342 C355 C354 C314 C21 C17 C104 C209 C207 C2 C1 C11 C16 C213 C231 C222 C318 C303 C232 C211 C225 C404 C508 C509 C510 C420 C502 C503 C511 C519 C524 C525 C516 C517 C51

37、8 C409 C411C412 C405 C406 C408 C418 C417 C415 C15 C51 C5 C9 C33 C23 C13 C25 C301 L6 C421 C18 C234 L67 C527 C110 C308 C307 C310 C309 C312 C311 C304 L68 C7 C6 C423C422 C424 C12 C235 C236 1 45 8 5 8 1 4 D SG S D G SG BE BE B E EB E B EB EB BE 1 45 8 B EEBEE EEB 1 4 5 8 5 8 1 4 1 4 5 8 1 4 5 8 15 GOI BE

38、E BEE 85 41 85 41 100 1 76 75 51 50 26 25 5 8 4 1 1 32 1716 2322 1 44 1 22 44 23 144 136 37 72 73108 109 22 2333 34 44 111 12 1 4 5 8 1 1415 28 1 8 916 18 54 1 44 11 1222 23 33 34 1 45 8 1 4 5 88 1 4 5 81 4 5 D 11141518 110 BE B EEBIOG D4 D5 IC8 IC15 Q104 Q13 Q103 Q1 Q18 D103 D501 D502 D503 IC10 IC2

39、2 IC20 IC13 IC28 IC29 IC30 IC25 IC21 IC23IC24 Q2 Q17 IC9 IC4 Q499 IC31 IC5 IC7 IC3 IC2 IC1 IC6 Q12 Q204 Q201 Q202 IC16 IC17 IC26 IC18 Q500 IC19 Q501 Q10 Q9 IC14 Q11 Q14 J4 D301 D1 D101 D2 D7 J5 J6 Q19 J3 X32-4980-00 (J74-1055-22) PC BOARD(COMPONENT SIDE VIEW) ICQ 16H 25E 35F 44E 54C 66D 75E 82D 94G

40、103F 126H 136H 143I 153H 166F 176G 185G 194B 205B 215D 225C 232C 242C 252D 265H 282F 292F 304D 315H 325H 13F 23F 33F 43F 53F 63F 73G 83G 93G 103G 113I 122I 134I 143I 164H 173I 186H 195H 1016H 1035H 1045I 1056H 1065H 1075H 2014F 2025F 2045G 3014C 4992D 5002C 5012C 5022C 5032C 5042C 5052C 5062D 5072D

41、X32-4980-00 Refer to the schematic diagram for the values of resistors and capacitors. KLMNOPQRST 1 2 3 4 5 6 7 78 C103 R132 R31 R326 R331 R355 R350 R345 C327C328 R325 R321 C323 R323 R322 R324 C322 C321 R332 R349 R348 R347 R346 C345 R330 C329 R327 R328 R329 C344 C350 C343 C349 E R304 B R213 R343 R33

42、8 C317 C203 R307 R333 C316 R337 R356 R344 C334 R336 R334 R335 C351 R354 R353 R351 R352 C333 C339 C332 C338 R341 C340 R342 R340 R339 R308 C320 C204 C206 L65 R218 C217 R221 R220 R222 C215 C208 C210 C214 C216 C221 C212 B E C227 C233 R115 1 2 BE C107 R131 3 R114 4 C205 C218 C32 C228 C226 C237 C52 C112 4

43、 R141 R143 3 1 R104 R101 R144 R122 BE 5 R24 C14 B E R520 R518 R521 C512 R302 R301 R504 R515 R510 R505 R508 C504 R514 R517 B R511 BEE C507 R506 E C501 R11R6 R401 R402 C410 C302 R539 R537 C523 R528 R527 R523 R532 R535 C520 R531 R525 EB C515 B R534 E B R541 R542 R403 B E R404 E C4 R4 B E R435 R438 R434

44、 C506 C514 C407 C27 R14 R8 E B B R5 BE R35 R13 C8 R36 BE R431 L1 BE L4 R405 R408 R10 R25 C101 R116 C22 L7 C24 R30 R34 C20 R33 Q301 Q101 Q105 D102 IC12 IC32 Q107 D107 D105 Q106 D104 Q16 Q502 Q504 Q503 D203 D205 D204 Q505 Q506 D201 Q507 Q5 Q3 D202 D401 D10 Q7 Q4Q6 D9 Q8 D11 D6 C25 C21 C17 C16 23 4 11

45、C309 C325 C330 C352 C347 88 C324 4 1 C353 C346 C331 5 4 1 C326 C308 C304 8 5 C307 C348 C310 C318 1 33 34 C222 14 C220 109 144 C94 L63 R203 C314 C336 C341 C110 44 111 12 R219 CP22 CP23 CP21 R205 72 73 CP24 CP25 CP26 CP27 108 C357 8 5 C315 C342 C335 5 4 1 33 34 23 22 C312 C337 C311 44 1 R305 C305 R310

46、 1 C355 R312 4 C354 R306 C306 C356 1 C236 R202 R201 8 5 4 1 X2 R204 37 C202C201 361 28 R210 G D S C213 8 C207 R313 5 9 8 C209 R309 R206 R207 CP29 16 R209 1 D S G 15 C219 C211 CP2 44 144 CP28 23 CP30 CP34 22 16 23 17 C95 1 L64 22 R112 8 5 4 CP3 1 L101 C106 R109 25 W1 R133 W2 26 C229 C234 CP32 CP33 CP

47、31 R211 C235 C230 1 32 C225 S G D C33 R214 C239 C224 C223 C238 X1 C231 C232 L5 C51 R102 1 8 1 R142 R140 CP1 4 1 100 C108 5 C111 4 EB CP4 5 L6 8 C13 1 5 L67 FRCESUB C313 C502 C303 R303 C516 C511 C508 22 R502R507 C503 R503 R513 R516 C509 C505 45 R522 C510 R509 C517 4 1 8 C528 R512 1 R519 BE R501 E R1

48、EB R433 C406 C405 C404 FLRLRR C403 C524 C301 C519 12 C527 C411 R530 R524 R529 C518 C513 5 R536 C525 4 E R500 8 R526 1 R533 E B R540R538 C526 5 C521 R543 4 C408 1 R499 8 EBE C401 C412 C3 R2 R3 C2 C420 C409 5 8 C402 C418 R437 C1 C417 R436 C5 11141518 R410 B L68 B C6 E L69 R12 C7 4 1 8 5 R15 C423 C416

49、C415 R432 R27 4 C9 45 C424 1 R409 1 8 C422 L2 R406 R407 C11 C419 5 EEB 8 C421 L3 R9 R7 C18 R26 R29 G O C26 R411 110 R129 X3 R130 R128 51 50 C104 75 CP5 76 R125 R124 C102 R123 EB R120 C23 BE E B B B E E E R28 I GI O R32 B E B C15 C12 BE EE IC1 D101 IC15 IC9 IC5 IC20 IC19 IC7 J5 IC21 IC6 IC22 IC30 IC2 Q202 IC4 Q201 IC3 IC16 IC17 J6 IC13 IC18 Q204 IC31 IC26 Q103 D4 D502 D301 IC23 D501 Q501 IC25 D503 Q500 IC24 IC8 Q499 Q2 J3 X32-4980-00 (J74-1055-22) D1 IC10 Q1 D2 IC28IC29 Q9 Q10 J4 D103 Q104 Q19 D7 Q18 IC14 Q14 Q13 Q17 D5 Q11 Q12 PC BOARD (FOIL SIDE VIEW) ICQ 16M 25P 34P 44P 54R 66