Kenwood-Z-828-MP-Service-Manual电路原理图.pdf

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1、 2001-9 PRINTED IN JAPANB51-7846-00 (N) 1918CDa71MD-CH CONTROL MP3 CD RECEIVERZ828MPSERVICE MANUALSRCPWROFF47Wx4S.AFMAMDISCCD MD-CH CONTROL MP3 CD RECEIVER EXZ828MPAUDLOUDDISP SCAN RDM REP M.RDM TI TIVOL ADJ MENUNAME.SNFCOMPACTDIGITAL AUDIO2ZONEDABTEXTPlastic cabinet assy(A02-2711-08)Panel assy(A64-

2、2473-08)Front glass assy(B10-4261-08)Escutcheon(B07-3038-08)Remote controller assy(A70-2015-15)Mounting hardware assy(J21-9585-18)DC cord assy(E30-6080-08)Lever(D10-4364-08)x2Screw set(N99-1716-08)CA-R66K3iAntenna adaptor(T90-0523-05)2AMFM185mV250mVFM : 400Hz 75kHzDEV 60dBuVAM : 400Hz 30%MOD 74dBuV:

3、 1kHz 0dBCD: 1kHz 0dBCD-CH: 1kHz 1200mV INPUTAUXVOL MAXCD-CHCD/CD-CHCD : 1150mV: 1150mVAUX-IN 1150mVMUXREARFRONTFRONTREARFRONTREAR/NFREARFRONT: 2350mV: 2350mV: 2350mV: 670mV: 1100mVCD-CHAUXAMCDFM: 2350mV: 2350mV: 2350mVAUXAMCD-CHCD: 670mVFM : 1100mVBU 5VSW 5VPNL 5VAUDIO 8VSERVO 7.5VVFD 14VMP3 5VNFAC

4、 OUTEPROMTUNERSGS-IC 01 STTDA7407E-VOLUPD703033AGCMAIN u-COMANTIC300IC1HD74HC27FPMUTE ICIC3SW-OP AMPBA3129FIC201IC200BA3121FGND-ISOTDA7401H.P.FIC301S-80842RSTIC2ANNPPANEL u-COMUPD703033AGCIC900LEVEL SIFTTC74HC4050AFTMATRIXKEYRS-171REMOMSM531622F-ROMTSIC961IC930IC950VFDBA3830FSA-ICIC940NJM4565MDIC202

5、SA MIX AMPTA8263BHPOWER ICIC500BU 5VQ614Q1SW 5VQ612PNL 5VQ622AUDIO 8V SW 14VQ624CD 7.5VQ620SW 14VQ624VFD 14VQ618SW 14VMP3 5VQ631 Q624BU 14VAUX-INCD-CHCD: 1200mVFM: 730mV: 2600mV: 2600mVAUXCD-CH: 2600mVCDAMTDA7479DRDSIC101Z828MP2BLOCK DIAGRAMZ828MP3a71 SUB-CIRCUIT UNIT (X13-9930-00)COMPONENTS DESCRIP

6、TIONRef.No. Element/Function Operation/ConditionIC1 SYS u-COMIC2 RESET System resetIC3 GATE IC Gate IC for mutingIC200 GND-ISO GND-ISO for CD-CHIC201 SW-OP CD/CD-CH input switchingIC202 Buff SA buffer and 1/2 VddIC300 E-VOL/MPX E-VOL/MPXIC301 SYSTEM ES SYSTEM ESIC500 POWER AMPIC900 PNL u-COMIC930 RE

7、MOCON Remote control light sensorIC940 SA BPF BPF for SAIC950 EXTENSION ROMIC960 3.3V POWER SUPPLY IC 3.3 V power supplyIC961 LEVEL SHIFT IC 5V-3.3 V level shiftingQ1 5V SWQ2 MUTE SW Muting SW for PRE-OUTQ3 CH RST SWQ4 LED SW LED SW for DISC_ and EJ SWQ5 PNL5V SWQ6 PNL5V SWQ9 Buff IFC bufferQ10 LED

8、SW LED SW for DSIQ100,101 FM+B SWQ102,103 AM+B SWQ200 MD/CD-CH SW CD/CD-CH signal switchingQ201 MUTE DRV For SA mutingQ202 ALC ALCQ300 MUTE E-VOL muting SWQ350A,B MUTE DRV PRE-OUT mutingRef.No. Element/Function Operation/ConditionQ351A,B MUTE DRV PRE-OUT mutingQ352A,B MUTE DRV PRE-OUT mutingQ600 BU

9、DET B-U ON/OFF detectionQ601 Acc DET Acc ON/OFF detectionQ602 P-ANT SWQ603 P-ANT SWQ604 P-CON SWQ605 P-CON PROTECTQ606 P-CON PROTECTQ607 P-CON SWQ608 DIMMER SWQ609 EXT AMP CON. SWQ611,612 PNL5V AVR 5V panel power supplyQ613,614 BU5V AVR 5V uCOM power supplyQ615,616 DD-CONV SWQ617,618 DD-CONV AVR DC/

10、DC converter power supplyQ619,620 SURVO7.5V AVR 7.5V CD mechanism power supplyQ621,622 AUDIO8V AVR 8V Audio power supplyQ623 14V SW8V Audio, 5 V DSP, 7.5 V SERVO and 5 V MP3 SWQ624 14V SW8V Audio, 5 V DSP,7.5 V SERVO and 5 V MP3 SWQ630 MP3 5V AVR 5V MP3 power supplyQ631 MP3 5V AVR 5V MP3 power suppl

11、yQ900 LED SW LED SW for SRC and KENWOOD logosQ930,931 PNL5V SW5V Panel SW for SA-BPF and REMOTE-CONQ960 BK SWQ961,962 VFD SWZ828MP4a71 System Microcomputer UPD703033GC107 (IC1 : Main unit)PinNo. Pin name I/O Description Processing Operation1 AMP_MUTE O Muting control output to Power IC Muting ON: Lo

12、w. Muting OFF: High.2 AMP_STBY O Standby control output to Power IC Standby canceled: High. Standby mode: Low.3 NC O Output open4 NC O Output open5 P_ANT O Power antenna control output Radio mode: High. Other mode: Low.6 EVdd Connected to B-U 5 V7 EVss Connected to GND8 P_CONT O Power control output

13、 ON: High. OFF: Low.9 BEEP O Beep output Permanently “L“.10 EXT_AMP O External amp control output11 DIMMER I Dimmer detection input Dimmer ON: Low. Dimmer OFF: High.12 CH_CON O CD-CH control output ON: High. OFF: Low.13 CH_REQH O CD-CH send request output Request: Low.14 AFC O Time constant switchin

14、g output in NOISE detection Time constant big: HI Time constant Small: LO15 RDS_QUAL I QUAL input from RDS16 RDS_DATA I DATA input from RDS17 NC O Output open.18 IC/Vpp O Test19 IN_SEL O CD/CD-CH switching control output CD: Low. CD-CH: High. Other source: L.20 SA_MUTE O Signal muting output to spec

15、trum analyzer MUTE ON:HI21 I2C_SDA I/O Data input/output from/to CD mechanism, E-VOL (TDA7407) and HPF22 I2C_SCK I/O Clock output to CD mechanism, E-VOL (TDA7407) and HPF23 MUTE O Muting control output (N-CH open drain) MUTE ON:HI, MUTE OFF:LO 24 SW5V O 5 V SW control output (N-CH open drain) SW5V O

16、N:LO, SW5V OFF:HI25 F/E_DATA I/O Data input/output from/to F/E and PROM (N-CH open drain)26 F/E_CLK I/O Clock output to F/E and PROM (N-CH open drain)27 PRE_OUT_MUTE O PRE-OUT muting control outputMuting ON: Low. Muting OFF: High. Momentary power down: Low.28 IFC I IF_COUNT input from F/EStation det

17、ected: Low. Station not detected: High.29 AM+B O AM power supply control output AM ON:HI, AM OFF:LO30 FM+B O FM power supply control output FM ON:HI, FM OFF:LO31 RESET I Reset input LO:RESET ON32 XT1 Connected to Sub Xtal33 XT2 Connected to Sub Xtal34 REGC 1 uF connected to GND.35 X2 Connected to Ma

18、in Xtal36 X1 Connected to Main Xtal37 Vss Connected to GND38 Vdd Connected to B-U 5 V39 CLKOUT Open40 NC O Output open.41 NC O Output open.42 P_ON O Internal power supply control ON:HI, OFF:LO43 VFD_ON O VFD power supply control output VFD ON:HI, VFD OFF:LO44 NC O Output open.PNL 5 V ON: High. PNL 5

19、 V OFF: Low. 45 PNL5V O 5 V panel control output Panel detached:Low. Momentary power down: Low.MICROCOMPUTERS TERMINAL DESCRIPTIONZ828MP5MICROCOMPUTERS TERMINAL DESCRIPTIONPinNo. Pin name I/O Description Processing Operation46 NC O47 PNL_DET I Panel position detection inputPanel open (SW ON): Low. P

20、anel closed (SW OFF): High.48 CD_MUTE I Muting input from CD mechanism MUTE:LO49 CD_MRST O Reset output to CD mechanism RESET:LO50 CD_MSTOP O Stop request to CD mechanism STOP:LO51 CD_LO/EJ I/O CD mechanism loading motor control (Load/Eject) LOAD:LO EJ:HI52 CD_LMON O CD mechanism loading motor contr

21、ol (ON/OFF) LOAD:LO EJ:HI53 CD_SW3 I Input from CD mechanism SW3 (DOWN_SW input) ON:HI54 NC O Output open.55 BVdd Connected to B-U 5 V56 BVss Connected to GND57 DSI O DSI LED control output Panel detached: ON. Panel attached: OFF.58-64 NC O Output open.65 PN_MC_REQ/PANEL I/O Send request output to P

22、anel uCOM/Panel detection input Panel detection input. Panel ON: Low.66 PAN_RST O Reset control output to Panel uCOM Same function as PNL 5 V.67 LED_SW O LED control output for EJECT SW and DISC _OUTPUT open. ILL ON:HI, ILL OFF:LO68,69 O Output open.70 AVCONT O A/D reference voltage control output D

23、uring operation: High.71 AVdd Connected to B-U 5 V72 AVss Connected to GND73 AVref A/D reference voltage74 PHONE I PHONE detection input TEL muting: 1 V or less. NAVI muting: 2,5 V or more.75 NOISE I FM NOISE detect input terminal76-78 NC I Resistor connected to GND79 MP3/CD I MP3/CD identification

24、input CD: Low. MP3: High.80 S-METER I FM S-meter input from F/E (Analog input)81 TYPE1 I Destination type ID input E(Europe): L K(North America): H M(Other Areas): L82 TYPE2 I Destination type ID input E(Europe): L K(North America): H M(Other Areas): H83 NC I Resistor connected to GND84 ST_TYPE1 I E

25、-VOL setting selection input Normal: Low. Special: High.85 ST_TYPE2 I E-VOL setting selection input Normal: Low. Special: High.86 ACC_DET I Acc detection input HI: ACC OFF LO: ACC ON87 DISC_EJ_SW I CD EJECT SW input (Interrupt input) CD ejection: Low. (Interrupt input)88 CH_REQC I Send request input

26、 from CD-CH (Interrupt input) ON: Low. (Interrupt input)89 PN_SC_REQ I Send request from Panel uCOM (Interrupt input)90 CD_SW1 I Input from CD_SW1 (Loading SW detection) LO:ON, HI:OFF91 CD_SW2 I Input from CD_SW2 (12 cm CD detection) LO:ON, HI:OFF92 RDS_CLK I CLK input from RDSB-U power down: High.

27、B-U normal: Low. 93 BU_DET I B-U detection input (Interrupt input) Muting and mechanism operation stop should be executed quickly. (Interrupt input)94 CH_DATAC I Data input from CD-CH95 CH_DATAH O Data output to CD-CH96 CH_CLK I/O Clock input/output from/to CD-CH97 PN_SC_DATA I Data input from Panel

28、 uCOM98 PN_MC_DATA I/O Data output to Panel uCOM99 PN_MC_CLK O Clock output to Panel uCOM100 NC O OUTPUT OPENZ828MP6a71 Panel Microcomputer UPD703033GC108 (IC900 : Control uCOM)PinNo. Pin name I/O Description Processing Operation1 VFD_DATA1 O Data output “1“ to VFD driver2 VFD_CLK O Clock output to

29、VFD driver3 NC I Resistor connected to GND4 VFD_DATA2 O Data output “2“ to VFD driver5 VFD_CLK_IN I Clock input from VFD_CLK (For use in synchronization of DATA 1 and 2)6 EVdd Connected to PNL 5 V7 EVss Connected to GND8 NC O Output open.9 5V_ON O Power supply control output to Remote Control IC and

30、 SA_IC. 5V ON:HI, 5V OFF:LO10 REMO I Remote control signal input11 NC O Output open.12 VFD_LATCH O Latch output to VFD driver13 VFD_GCP O Luminance gradation control output to VFD driver14 A13 O Address output “A13“ to external ROM15 A14 O Address output “A14“ to external ROM16 A15 O Address output

31、“A15“ to external ROM17 VFD_BLK O Blank output to VFD driver Display ON: High. Display OFF: Low.18 IC/Vpp Test19 A5 O Address output “A5“ to external ROM20 A6 O Address output “A6“ to external ROM21 A7 O Address output “A7“ to external ROM22 A8 O Address output “A8“ to external ROM23 A9 O Address ou

32、tput “A9“ to external ROM24 A10 O Address output “A10“ to external ROM25 A11 O Address output “A11“ to external ROM26 A12 O Address output “A12“ to external ROM27 A1 O Address output “A1“ to external ROM28 A2 O Address output “A2“ to external ROM29 A3 O Address output “A3“ to external ROM30 A4 O Add

33、ress output “A4“ to external ROM31 RESET I Reset input32 XT1 Resistor connected to GND33 XT2 OPEN34 REGC 1 uF connected to GND35 X2 Connected to Main Xtal36 X1 Connected to Main Xtal37 Vss Connected to GND38 Vdd Connected to PNL 5 V39 CLKOUT OPEN40 NC O OUTPUT OPEN41 NC O OUTPUT OPENMICROCOMPUTERS T

34、ERMINAL DESCRIPTIONZ828MP7MICROCOMPUTERS TERMINAL DESCRIPTIONPinNo. Pin name I/O Description Processing Operation42 NC O OUTPUT OPEN43 OE O Output Enable output to external ROM44 CE O Chip Enable output to external ROM45 NC O OUTPUT OPEN46 NC O OUTPUT OPEN47 AD0 I Data input “AD0“ from external ROM4

35、8 AD1 I Data input “AD1“ from external ROM49 AD2 I Data input “AD2“ from external ROM50 AD3 I Data input “AD3“ from external ROM51 AD4 I Data input “AD4“ from external ROM52 AD5 I Data input “AD5“ from external ROM53 AD6 I Data input “AD6“ from external ROM54 AD7 I Data input “AD7“ from external ROM

36、55 BVdd Connected to PNL 5 V56 BVss Connected to GND57 AD8 I Data input “AD8“ from external ROM58 AD9 I Data input “AD9“ from external ROM59 AD10 I Data input “AD10“ from external ROM60 AD11 I Data input “AD11“ from external ROM61 AD12 I Data input “AD12“ from external ROM62 AD13 I Data input “AD13“

37、 from external ROM63 AD14 I Data input “AD14“ from external ROM64 AD15 I Data input “AD15“ from external ROM65 A16 O Address output “A16“ to external ROM66 A17 O Address output “A17“ to external ROM67 A18 O Address output “A18“ to external ROM68 A19 O Address output “A19“ to external ROM69 NC O OUTP

38、UT OPEN70 A21 O Address output “A21“ to external ROM71 AVdd Connected to PNL 5 V72 AVss Connected to GND73 AVref74 SA_F01 I Spectrum analyzer signal input (63Hz)75 SA_F02 I Spectrum analyzer signal input (150Hz)76 SA_F03 I Spectrum analyzer signal input (330Hz)77 SA_F04 I Spectrum analyzer signal in

39、put (1KHz)78 SA_F05 I Spectrum analyzer signal input (3.3KHz)79 SA_F06 I Spectrum analyzer signal input (10KHz)80 LEVEL_M I MIX signal input for level meter81 KR5 I Key return “5“82 KR4 I Key return “4“Z828MP8MICROCOMPUTERS TERMINAL DESCRIPTIONPinNo. Pin name I/O Description Processing Operation83 K

40、R3 I Key return “3“84 KR2 I Key return “2“85 KR1 I Key return “1“86 PN_SC_REQ O Send request output to Main uCOM87 AVCONT O A/D reference voltage control output Operating: High.88 PN_SC_CON I Operation control input from Main uCOM Operating: High. (Interrupt input)89 NC O Output open.90 SOURCE I SRC

41、 key input ON: High. OFF: Low. (Interrupt input)91 BLUE O Blue LED control output LED ON:HI, LED OFF:LO92 PN_MC_REQ I Send request input from Main uCOM93 KS4 O Key scan “4“94 KS3 O Key scan “3“ and Flash uCOM write port95 KS2 O Key scan “2“ and Flash uCOM write port96 KS1 O Key scan “1“ and Flash uC

42、OM write port97 PN_SC_DATA I Data input from Main uCOM98 PN_MC_DATA O Data output to Main uCOM99 PN_MC_CLK I Clock input from Main uCOM100 NC I Resistor connected to GNDZ828MP9a71 Mechanism Microcomputer M30620MCAB12GP (IC1 : X32)PinNo. Pin name I/O Description Processing Operation1-5 NC O Not used

43、L6 BYTE I 8-bit/16-bit path width switching H7 CNVss I L8,9 NC O Not used L10 RESET I Reset terminal Reset: Low. Normal: High.11 Xout O Clock output12 Vss - Connected to GND13 Xin I Clock input14 Vcc -15 NMI I Interrupt: Low. Normal: H.16 INT3 I Servo DSP (processor) interrupt terminal Interrupt: Lo

44、w. Normal: H.17 INT2 I Servo DSP (decoder) interrupt terminal Interrupt: Low. Normal: H.18 INT1 I Servo DSP (ATAPI) interrupt terminal Interrupt: Low. Normal: H.19,20 NC O Not used L21 DCS O DAC Chip Select L:SELECT22 PD O Peripheral IC reset Reset: Low. Normal: High.23 ML O Data latch line for DAC-

45、uCOM communication Latch: High.24 MC O Clock line for DAC-uCOM communication25 MD O Data line for DAC-uCOM communication26 NC O Not used L27 I2C_CLK I/O Mechanism control communication terminal (Clock)28 I2C_DATA I/O Mechanism control communication terminal (Data)29 MP3_I2C_DATA I/O STA013 control c

46、ommunication terminal (Data)30 R O Flash write terminal L31 MP3_I2C_CLK I/O STA013 control communication terminal (Clock)32 W O Flash write terminal L33 MP3_DATA O MP3 data send terminal (Data)34 NC O Not used L35 MP3_CLK O MP3 data send terminal (Clock)36 MP3_REQ I MP3 data request terminal37 WAIT

47、I Multiplexed path Wait terminal L:BUSY H:READY38 ALE O Multiplexed path terminal39 HOLD I Flash write terminal L40 HLDA O - L41 NC O Not used L42 RDM O Multiplexed path terminal43 NC O Not used L44 WRM O Multiplexed path terminal45 NC O Not used L46 CS2 O M24B Chip Select L:SELECT47-50 NC O Not use

48、d LMICROCOMPUTERS TERMINAL DESCRIPTIONZ828MP10PinNo. Pin name I/O Description Processing Operation51 SCTL O RF 1x/2x speed switching 2x: Low. 1x: High52,53 NC O Not used54 MUTE-R O Muting (Right) terminal Muting: Low55 MUTE-L O Muting (Left) terminal Muting: Low56 LDON O Laser ON/OFF terminal L:OFF

49、H:ON57 MP3/CD O CDDA/MP3 switching terminal L:CDDA H:MP358 PON O Peripheral IC power supply control terminal L:OFF H:ON59 CDRW O RE switching terminal Other: Low. RW: High.60 Vcc - Connected to BU 5V lines61 NC O Not used L62 Vss - Connected to GND63 AD7 I/O Address/Data (Bit 7) line64 AD6 I/O Address/Data (Bit 6) line65 AD5 I/O Address/Data (Bit 5) line66 AD4 I/O Address/Data (Bit 4) line67 AD3 I/O Address/Data (Bit 3) line68 AD2 I/O Address/Data (Bit 2) line69 AD1 I/O Address/Data (Bit 1) line70 AD0 I/O Address/Data (Bit 0) line71 RFOK I RFOK interrup