Kenwood-KTCHR-100-Service-Manual电路原理图.pdf

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1、 2003-9 PRINTED IN JAPANB53-0094-00 (N)1424HD RADIO TUNERKTC-HR100SERVICE MANUALHDRADIOTUNERTOSLAVEUNITTOSLAVEUNITTOCONTROLLERAUDIOOUTRLANTMetallic cabinet(A01-2830-02)Cord with plug(E30-4291-05)Cord with plug(E30-4953-05)Magic tape(H30-0051-05)Mounting hardware(J21-3801-04)Screw set(N99-1623-05)CAU

2、TION (Repair of PROCESSOR UNIT)You can not repair IC1 (TMSDRI200CGLZ5).If you can repair those parts please change to PROCESSOR UNIT (X32-5510-10)KTC-HR1002BLOCK DIAGRAMSDRAMDSPFPGAFLASH ROM70.56MHzDEMODULATOR43.20MHzIC4X1IC1IC6IC7 IC2A1CN2CN1 CN5CN1CN2to EXTERNAL UNITCN3CN4(+1.25V)3.3V 7724(+3.3V)3

3、.3V DSP(+2.5V)2.5V FPGA(+3.3V)1.25V DSPF/EA1CF1,3ANTENNA(OPTION)SWITCHFILTERS &EEPROMIC15u-COMIC11IC5AMP SWIC2BUFFERIC7AMPIC3,4to WRITERCN6to HOST PCCN2to CONTJ4to H/UJ2to CD-CHRCAJ1 J3(5L BUS) (5L BUS)20.00MHzX1REGULATORIC1IC6IC14IC17IC12Q8,L2,3IC9+8V+3.3V+2.5V+1.25V+8.5V+5VREGULATORREGULATORREGULA

4、TORREGULATORBU5VDCDC-CONVERTERto H/UJ2SIGNALCONTROLCLOCKRECEIVER(ANALOG) (DIGITAL)AUDIOI2CIF OUTIF OUTIF OUT(DIGITAL)IF OUT(ANALOG)AUDIOUARTI2CBUPOWER SUPPLY(X32-5510-10)(X14-9310-10)POWER SUPPLY (X14-9310-10)KTC-HR1003 DIGITAL TUNER UNIT (X14-9310-10)Ref. No. Application/Function Operation/Conditio

5、n/CompatibilityIC1 8V regulator Power supply for audio systemIC2 Analog Switch Audio SwitchIC3,4 Op-amp Audio amp 2 for CD-CH signalIC5 Op-amp Audio amp 2 for demodulated signalIC6 DC/DC converter control Power supply for 3.3,2.5VIC7 Op-amp Buffer amp for audio signalIC8 Op-amp Convert for audio bia

6、s circuitIC9 1.25V regulator Power supply for IDMIC11 -com -IC12 5V regulator Power supply for A1 (tuner module)IC13 Reset IC -IC14 5V regulator Power supply for BU 5VIC15 1kbit EEPROM Back-up data memoryIC16 Dual 2 input OR GATE -IC17 8.5V regulator Power supply for A1 (tuner module)IC18 Op-amp Com

7、parator for voltage detectQ1 Mute For right muteQ2,3 SW For main power supply SWQ4 Mute For left muteQ5 SW For mute on : muteQ6,7 SW For audio source switchQ8 DC/DC converter For 3.3,2.5V power supplyQ10 SW For B.U detect on : detectQ11 SW For B.U detect on : no-detectQ12 Inverter For B.U detect mut

8、eQ14 SW For 5L CH-CON signalQ16 SW For resetQ17 SW For CD-CH resetQ18 Amplifier IF amp 2Q19 Amplifier Signal Amp 2 for AM-IF signal (narrow band)Q20 Inverter For AM filterQ21 Inverter For FM filterQ22 Amplifier Signal Amp for FM-IF signal (wide band)Q23 Amplifier Signal Amp for AM-IF signal (wide ba

9、nd)Q24 Amplifier Signal Amp for FM-IF signal (narrow band)Q25 Amplifier Signal Amp 1 for AM-IF signal (narrow band)Q26 SW For FM filterQ27 5v to/from 3.3v level converter For I2C dataQ28 5v to 3.3v level converter For I2C clockQ29 Amplifier IF amp 1Q33 SW For AM filterQ35 SW For B.U detect mute on :

10、 muteQ36 Level converter For Blend signalQ37 SW For tuner I2C SCL signalCOMPONENTS DESCRIPTIONKTC-HR1004Ref. No. Application/Function Operation/Condition/CompatibilityQ38 SW For tuner I2C SDA signalQ39 SW For DC-DC controller CS signalD1 Diode Protect for a wrong connectionD2,4,6,17,20,21 Zenner dio

11、de Protect for irregularly voltage inputD3,5 Diode Protect for irregularly voltage inputD7 Diode Divider for left and right mute circuitD8 Rectifier diode For controller voltageD9,10 OR gate For muteD11 Zenner diode Protect for irregularly voltage inputD13 OR gate For muteD14 Zenner diode Reference

12、voltage for audio bias voltageD15,16 Schottly barrier diode For DC/DC converterD18,19 Diode Protect for B.U voltage detect circuitD22,23 Zenner diode For B.U voltage detectD25 Diode Protect for a wrong voltage phenomenonD26,27,29,30 Zenner diode Protect for irregularly voltage inputD28 Diode Referen

13、ce voltage for regulatorD31 Rectifier diode For B.U 5VD32 Diode Protect for irregularly voltage inputD34 OR gate For interruptD35 Diode Force for nomal voltage levelD37 OR gate For muteD38 Diode For Controller Power PROCESSOR UNIT (X32-5510-10)Ref. No. Application/Function Operation/Condition/Compat

14、ibilityIC1 DSP Digital demodulator, Audio decoderIC2 FPGA For interface between IC5 and DSPIC4 Flash Memory Program data for DSP and FPGAIC6 64M SDRAM DSP work areaIC7 Demodulator AM FM Analog demodulator and Digital Audio interfaceQ1 Voltage Regulator Core voltage supply for IC7 (+2.5V)D1 LEDThis L

15、ED is toggled by the DSP software at a rate of approximately (200ms) to indicatethat it is operational.D2 Diode Voltage converter for RESET signalD3 LED For DC+3.3 V power supply checkD4 LED This LED will blink continuously if the FPGA is configured correctly.D6 Diode Voltage protection for DSPCOMPO

16、NENTS DESCRIPTIONKTC-HR1005MICROCOMPUTERS TERMINAL DESCRIPTION MICROCOMPUTER : 70F3030BYGC1R9 (X14 : IC11)Pin No. I/O Pin Name Function Processing Operation Description1ONC Not connect2OSCK I2C clock output3ORX UART input4OTX UART output5ONC Not connect6-EVDD Power supply for port7-EVSS Ground for p

17、ort8,9 O NC Not connect10 O MUTE1 5L I/F to H/U11 O REQC1 5L I/F to H/U12 I DATA_I Data input from outside driver IC13 O DATA_O Data output to outside driver IC14 O LCD_CLK Clock output to outside driver IC15 O LCD_CE Chip enable for outside driver IC16 O LCD_RST Reset for outside driver IC17 O NC N

18、ot connect18 I IC/VPP For write program enable H : write mode, L : normal19 O RELAY Audio source selection H : CD-CH, L : HD-RADIO20 O A_MUTE Audio mute output H : normal, L : mute on21 O PON_M Output for power on main H : power on, L : power off22 O PON_A Output for power on audio H : power on, L :

19、 power off2330 O NC Not connect31 I RESET Reset input H : not reset, L : reset32 I - Un-use (pull down)33 - NC Not connect34 - - Capacitor connection for regulator stabilization35 - X2 Resonator connection for main clock36 I X1 Resonator connection for main clock37 - VSS Ground38 - VDD Power supply3

20、954 O NC Not connect55 - BVDD Power supply for BUS interface56 - BVSS Ground for BUS interface57 O TU_I2C_SW Data output for tuner I2C on / off switching L : off, H : on58 I BLEND Data input for digital / analog switching L : analog, H : digital59 O 7724_BLEND Data output for digital / analog switch

21、ing L : analog, H : digital60 O IDM_RESET Reset for IDM L : reset, H : normal61 O FM_ON Output for FM filter power control L : filter off, H : filter on62 O AM_ON Output for AM filter power control L : filter off, H : filter onKTC-HR1006Pin No. I/O Pin Name Function Processing Operation Description6

22、367 O NC Not connect68 I MUTE2 Mute input from CD-CH69 O REQH2 5L I/F to CD_CH70 O CHCON2 5L I/F to CD_CH71 - AVDD Analog power supply72 - AVSS Analog ground73 I AVREF Analog reference voltage74 I AM/FM LEVEL Connected to antennna detection signal H : normal (detect), L : not detect7585 I - Un-use (

23、pull down)86 O NC Not connect87 I BUP1 Back-up voltage detect H : not detect (ok), L : detect88 I KEY_INT Request from outside driver IC89 I CHCON1/STBY 5L I/F from H/U90 I BUP2 Back-up voltage detect (high) H : detect, L : not detect (ok)91 I REQC2 5L I/F from CD_CH92 I REQH1 5L I/F from H/U93 I RE

24、MO Data input from remote control94 I DATAC2 5L I/F from CD_CH95 O DATAH2 5L I/F to CD_CH96 O HCLK2 5L I/F to CD_CH97 I DATAH1 5L I/F from H/U98 O DATAC1 5L I/F to H/U99 I HCLK1 5L I/F from H/U100 I SDA I2C data inoutMICROCOMPUTERS TERMINAL DESCRIPTIONKTC-HR1007EDCBA123456725126126AAFAAF17675L10L2C6

25、4C66C68C70C72C74C99C116CP7CP9CP10CP11L4L9R42R43R44R87R88 R89C4C5C6C7C8C9C10 C11C12C13C65C80C90C95C97C100C101C102C103C104C105C106C107C108C109C110C111C117L1L3R4R11R17R19R23R51R52 R53R54R55R57R59 R60R61R63R66C53C84C94L6R46R71C54L7C46C47C56C126C113C114C115C121R47R48C124C125R5R6R16R18R20R21R22R27R31R32R3

26、3R34R56W3 W6C48C57C81C82C86C87C89C93C127C128C129C130R1R2R40 R41C1C2CP2CP12CP13L5R35 R36R58R62R64R67R68R69R73W11 W12R90R95R100 R101R102R103W4 W5W7C134SGD511005026X1131243D6Q1A1D3D1D4CN5IC1IC2PROCESSOR UNIT X32-5510-10 (J74-1553-02)8130991102100102548502421511143 144 86C132R104C14C15C16C17C18C19 C20C2

27、1 C22C23C24C25C26C27C28C29C30C31C32C33C34C35C36C37C38C39C40C41C42C43 C44C45C118C49C62C112C131R85C3C51C63C67C69C71C73C75C76C77C78C79C96R105R3R13R15R24R25R26R45R50R72R77C83C85C88L8C98C52R12R14R28R29C55C91C92R30R86R91W9W10R94R96R97 R98 R99W23180C133CN2CN1D2IC7IC4IC6PROCESSOR UNIT X32-5510-10 (J74-1553-

28、02)PC BOARD (COMPONENT SIDE VIEW)(FOIL SIDE VIEW)Refer to the schematic diagram for the values of resistors and capacitors.X32-5510-10IC Q Address13A23C12CX32-5510-10IC Address45C66B75BKTC-HR1008F G H I J1234567114111111R180R181R197L1R41R54R106C32C21C23C26C36C56R63C30C44C46C59C6681148591213148591213

29、C84CP1CP2R26R77R78R112X1C14C20C42C48L2L3L4R193C133R1R6R7R11R15R17 R18R23R25R30R31R33R34R35R36R37R38R39R40R42 R43R44R45R47L19 R53R55 R58R59R60R61R62 R64 R65R66R67R1033620R104 R105R110R111R115R177R214IOG2575 51502610076458148534214851891648511291012910515G15IO1487458345LEVELC119C118C1C88C123C87C4C81C2

30、7C52C55C57C60C61C70CF1CF2CF3C128C7C9C11C28C34C39L5C120C76GDSEBSGDEBD31Q17Q3D18D14Q10Q12D35D10D22J2J3J1P1P3CN6CN3CN4CN2IC11IC13IC14IC6IC1IC2IC3IC5IC7IC8IC9IC12IC16IC18IC17DIGITAL TUNER UNIT X14-9310-10 (J74-1554-02)PC BOARD (COMPONENT SIDE VIEW)KTC-HR1009ONMLK1234567R99R100R101 R10203368 7420 1251R10

31、5L12C132A1J4J5P4P2Refer to the schematic diagram for the values of resistors and capacitors.X14-9310-10IC Q Address14H26I3355I64G76I8394G11 3H12 6G13 4H14 3G16 3G17 6G18 5H35G10 2G12 2G17 3HKTC-HR10010P Q R S T1234567R196C131L14C103L22L7L6R169C130C6C15C53C90C93C99C100C101C102C104C105C106C107C113C114

32、C115R187R1R117R121R141R142R143R144R146R148R150R152R157R158R159R161R168R171C89C92C94C95C96C97C108C109C110C111C112C116L8L9L10L11R3R5R46R94R95R96R116R118R119R120W1R125R128R129R130R131R132R133R134R135R136R137R138R139R145R147R149R151R153R154R162R163R164R165R166R167R170R172L21L20C134R206R205R207R209R215R2161485BEBEBEBEBEBEBEBEBEBEBEBEGDS GDSGDSGDSGDSD27D3D8Q37D26D29D30Q38Q33D32Q1Q26Q18Q19Q20Q21Q22Q23Q24Q25Q27Q28Q29Q36IC15DIGITAL TUNER UNIT X14-9310-10 (J74-1554-02)PC BOARD (FOIL SIDE VIEW)