Kenwood-KDCZ-828-Service-Manual电路原理图.pdf

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1、 2001-5 PRINTED IN JAPANB51-7790-00 (N) 1737CDa71MD-CH CONTROL MP3 CD RECEIVERKDC-Z828Z828SERVICE MANUALSIZE AAA BATTERY(Not supplied)SRCPWROFF47Wx4S.AFMAMDISCCD MD-CH CONTROL MP3 CD RECEIVER EXKDC-Z828AUD4.5VPREOUTLOUDDISP SCAN RDM REP M.RDM AUTO AME MENUNAME.SNFCOMPACTDIGITAL AUDIO2ZONEDABTEXTSRCP

2、WROFF47Wx4S.AFMAMDISCCD MD-CH CONTROL MP3 CD RECEIVER EXZ828AUD4.5VPREOUTLOUDDISP SCAN RDM REP M.RDM AUTO AME MENUNAME.SNFCOMPACTDIGITAL AUDIO2ZONEDABTEXTPlastic cabinet assy(A02-2711-08)Panel assy(A64-2473-08)Front glass assy(B10-4201-08)Escutcheon(B07-3038-08)Panel assy(A64-2625-08)Front glass ass

3、y(B10-4200-08)Escutcheon(B07-3048-08)Remote controller assy(A70-0894-05)Mounting hardware assy(J21-9585-18)DC cord assy(E30-6021-08)Lever(D10-4364-08)x2Stay(J54-0606-04)Screw set(N99-1700-05)Screw set(N99-1716-08)KDC-Z828Z828RC-5202AMFM220mV490mVFM : 400Hz 75kHzDEV 60dBuVAM : 400Hz 30%MOD 74dBuV: 1k

4、Hz 0dBCD: 1kHz 0dBCD-CH: 1kHz 1200mV INPUTAUXVOL MAXCD-CHCD/CD-CHCD : 1150mV: 1150mVAUX-IN 1150mV: 830mVFM: 250mV: 1800mV: 1800mVAUXCD-CH: 1800mVCDAMCD-CHCDAUX: 1800mV: 1800mV: 1800mVAMFM: 250mV: 830mVCD-CHAUXCD: 900mV: 900mV: 900mVFMAM: 415mV: 125mVMUXREARFRONTFRONTREARREARFRONTNFREARFRONT: 4500mV:

5、 4500mV: 4500mV: 650mV: 2100mVCD-CHAUXAMCDFMFRONT: 4500mV: 4500mV: 4500mVCDAUXCD-CHREARAMFM : 2100mV: 650mV: 4500mV: 4500mV: 4500mVAUXAMCD-CHCD: 650mVN/FFM : 2100mVBU 5VSW 5VPNL 5VAUDIO 8VAUDIO 11VSERVO 7.5VVFD 14VMP3 5VNFAC OUTEPROMTUNERSGS-IC 01 STTDA7407E-VOLUPD703033AGCMAIN u-COMANTIC300IC900HD7

6、4HC27FPMUTE ICIC3SW-OP AMPBA3129FIC201IC200BA3121FGND-ISOTDA7401DH.P.FIC301S-80842RSTIC2ANNPPANEL u-COMUPD703033AGCIC900LEVEL SIFTTC74HC4050AFTMATRIXKEYRS-171REMOMSM531622F-ROMTSIC961IC930IC950VFDBA3830FSA-ICIC940NJM4565MDIC202SA MIX AMPTA8263BHPOWER ICIC500IC310NJM4565MDNJM4565MDIC312NJM4565MDIC311

7、BU 5VQ614Q1SW 5VQ612PNL 5VQ622AUDIO 8V SW 14VQ624AUDIO 11VQ633 Q624SW 14VCD 7.5VQ620SW 14VQ624VFD 14VQ618SW 14VMP3 5VQ631 Q624BU 14VAUX-INCD-CHCDKDC-Z828,Z8282BLOCK DIAGRAMKDC-Z828,Z8283a71 SUB-CIRCUIT UNIT (X13-9930-00)COMPONENTS DESCRIPTIONRef.No. Element/Function Operation/ConditionIC1 SYS u-COMI

8、C2 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 ESIC310-312 Buff Buffer for 4.5 V PRE-OUTIC500 POWER AMPIC900 PNL u-COMIC930 REMOCON Remote control li

9、ght 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 SW LED SW for DSIQ100,1

10、01 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 mutingQ351A,B MUTE DRV PRE-OUT mutingQ352A,B MUTE DRV PRE-OUT mutingRef.No. Element/Function Operation/ConditionQ600 BU DET B-U ON/OFF detectio

11、nQ601 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. SWQ610 DSP 5V AVR 5V DSP power supplyQ611,612 PNL5V AVR 5V panel power supplyQ613,614 BU5V AVR 5V uCOM power supplyQ615,616 DD-CONV SWQ617,618 DD-

12、CONV AVR DC/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 MP

13、3 power supplyQ632,633AUDIO DC/DC 11V Audio DC/DC CONV 11V AVR power supplyQ801-803 AUDIO -9V SWQ804,805 AUDIO 9V SWQ806 AUDIO 9V SWQ900 LED SW LED SW for SRC and KENWOOD logosQ930,931 PNL5V SW5V Panel SW for SA-BPF and REMOTE-CONQ960 BK SWQ961,962 VFD SWKDC-Z828,Z8284a71 System Microcomputer UPD703

14、033GC060 (IC1 : Main unit)PinNo. Pin name I/O Description Processing Operation1 AMP_MUTE O Muting control output to Power IC Muting ON: Low. 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

15、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 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: Hi

16、gh.12 CH_CON O CD-CH control output ON: High. OFF: Low.13 CH_REQH O CD-CH send request output Request: Low.14 DSP_DATA O Data output to DSP_IC (M65849BFP)15 DSP_STB O Strobe output to DSP_IC (M65849BFP)16 DSP_CLK O Clock output to DSP_IC (M65849BFP)17 NC O Output open.18 IC/Vpp O Test19 IN_SEL O CD/

17、CD-CH switching control output CD: Low. CD-CH: High. Other source: L.20 SA_MUTE O Signal muting output to spectrum 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 con

18、trol output (N-CH open drain) MUTE ON:HI, MUTE OFF:LO 24 SW5V O 5 V SW control output (N-CH open drain) SW5V ON: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

19、 outputMuting ON: Low. Muting OFF: High. Momentary power down: Low.28 IFC I IF_COUNT input from F/EStation detected: 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

20、 ON32 XT1 Connected to Sub Xtal33 XT2 Connected to Sub Xtal34 REGC 1 uF connected to GND.35 X2 Connected to Main 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:

21、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 V OFF: Low. 45 PNL5V O 5 V panel control output Panel detached:Low. Momentary power down: Low.MICROCOMPUTERS TERMINAL DESCRIPTIONKDC-Z828,Z8285MICROCOMPUTERS TERMINAL DESCRIPTIONPinNo. Pin

22、name I/O Description Processing Operation46 NC O47 PNL_DET I Panel position detection inputPanel open (SW ON): Low. Panel 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

23、_LO/EJ I/O CD mechanism loading motor control (Load/Eject) LOAD:LO EJ:HI52 CD_LMON O CD mechanism loading motor control (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

24、output Panel detached: ON. Panel attached: OFF.58-64 NC O Output open.65 PN_MC_REQ/PANEL I/O Send request output to Panel 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

25、SW and DISC _OUTPUT open. ILL ON:HI, ILL OFF:LO68,69 O Output open.70 AVCONT O A/D reference voltage control output During 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

26、 more.75-78 NC I Resistor connected to GND79 MP3/CD I MP3/CD identification 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 K (North America): H. M (General overseas): L82 TYPE2 I Destination type ID input K (North America): H. M (Ge

27、neral overseas): H83 NC I Resistor connected to GND84 ST_TYPE1 I E-VOL setting selection input Normal: Low. Special: High.85 ST_TYPE2 I E-VOL setting selection input Normal: Low. Special: High.86 NC O Output open.87 DISC_EJ_SW I CD EJECT SW input (Interrupt input) CD ejection: Low. (Interrupt input)

28、88 CH_REQC I Send request input 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 ACC_DET I Acc detec

29、tion input HI:ACC OFF, LO:ACC ONB-U power down: High. 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/out

30、put from/to CD-CH97 PN_SC_DATA I Data input from Panel uCOM98 PN_MC_DATA I/O Data output to Panel uCOM99 PN_MC_CLK O Clock output to Panel uCOM100 NC O OUTPUT OPENKDC-Z828,Z8286a71 Panel Microcomputer UPD703033GC062 (IC900 : Control uCOM)PinNo. Pin name I/O Description Processing Operation1 VFD_DATA

31、1 O Data output “1“ to VFD driver2 VFD_CLK O Clock output to 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

32、 5V_ON O Power supply control output to Remote Control IC and 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

33、 Address output “A14“ to external ROM16 A15 O Address output “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 ROM

34、22 A8 O Address output “A8“ to external ROM23 A9 O Address output “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 exter

35、nal ROM29 A3 O Address output “A3“ to external ROM30 A4 O Address 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 CLKO

36、UT OPEN40 NC O OUTPUT OPEN41 NC O OUTPUT OPENMICROCOMPUTERS TERMINAL DESCRIPTIONKDC-Z828,Z8287MICROCOMPUTERS 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

37、 OPEN46 NC O OUTPUT OPEN47 AD0 I Data input “AD0“ from external ROM48 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 inpu

38、t “AD6“ from external ROM54 AD7 I Data input “AD7“ from external ROM55 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 A

39、D12 I Data input “AD12“ from external ROM62 AD13 I Data input “AD13“ 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 e

40、xternal ROM68 A19 O Address output “A19“ to external ROM69 NC O OUTPUT 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

41、analyzer signal input (330Hz)77 SA_F04 I Spectrum analyzer signal input (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“KDC-Z828,Z8288MICROCOMPUTERS T

42、ERMINAL DESCRIPTIONPinNo. Pin name I/O Description Processing Operation83 KR3 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

43、 uCOM Operating: High. (Interrupt input)89 NC O Output open.90 SOURCE I SRC 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

44、 O Key scan “2“ and Flash uCOM write port96 KS1 O Key scan “1“ and Flash uCOM 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 GNDKDC-Z828,Z8289a71 Mechanism Microcomputer M30620MCAB12GP

45、 (IC1 : X32)PinNo. Pin name I/O Description Processing Operation1-5 NC O Not used 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 Interrup

46、t: Low. Normal: H.16 INT3 I Servo DSP (processor) interrupt terminal Interrupt: Low. 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

47、PD O Peripheral IC reset Reset: Low. Normal: High.23 ML O Data latch line for DAC-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 M

48、echanism control communication terminal (Data)29 MP3_I2C_DATA I/O STA013 control communication 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_

49、CLK O MP3 data send terminal (Clock)36 MP3_REQ I MP3 data request terminal37 WAIT 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 used LMICROCOMPUTERS TERMINAL DESCRIPTIONKDC-Z828,Z82810PinNo. Pin name I/O Description Processing Operation51 SCTL O RF 1x/2x speed switching 2x: Low. 1x: High52,53 NC O Not