Kenwood-KOSA-200-Service-Manual 电路图 维修手册.pdf

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1、 2006-7 PRINTED IN JAPAN B53-0448-00 (N) 825 EXTERNAL MEDIA CONTROLLER WITH RDS ENCODER KOS-A200 SERVICE MANUAL Size AA Battery (Not Supplied) POWERUSB I/F TO 5L I/F REMOTE IN ANTENNA IN/OUT AUX IN2LR AUX IN1 Metallic cabinet (A01-4415-02): (K type) (A01-4418-02): (E type) Magic tape (Not supplied)

2、DC cord (2.5m) (E30-6596-05) Cord with connector (1.5m) (E30-6634-05) Remote control sensor assy (T95-0270-05) Remote controller assy (RC-537) (A70-2078-05) Mounting hardware (J22-0517-04) SEMS (N09-6427-05) Screw set (N99-1789-05) Antenna adaptor (E type only) (T90-0523-05) Antenna adaptor (E type

3、only) (T90-0578-05) This product uses Lead Free solder. This product complies with the RoHS directive for the European market. RadioFans.CN 收音机爱 好者资料库 KOS-A200 2 BLOCK DIAGRAM 1200mV 1200mV 1200mV 1200mV 190mV 64mVp-p 3.3Vp-p LX BUS AUX IN 1 J3 AMP ISO IC202 SELECTOR IC204 IC201 AMP ISO AUX IN 2 J7

4、IC203 AMP ISO J2 BUFFMUTE Q251,252 J6 MEMORY USB USB USB HOST V BUS IC25 IC951 U5V IC951 U3.3V U1.8V IC20 NOR FLASH ROM SDRAM (16.898MHz) PLL IC17 IC16 IC2 IC1 u-COM IC15 DSP CIRRUS D/A L.P.F. IC13,18 IC27 E2PROM CN1 ANT OUT to H/U to CAR ANT ANT IN CN2 SW K1 GAIN Q403,404 Q408 MODULATOR IC401 FM GA

5、IN R403-406 RDS ENCODER C431-434 LEVEL SHIFT 3V5V L404 444,601 R431,443, 403 IC402, AMP MIX IC404 BEEP 412 Q409- LEVEL SHIFT IC511,512 3V5V J4 IC601 SYSTEM u-COM RESET IC IC602 E2PROM IC603 USB UNIT NOT USED NOT USED PON USB PON3V USB PON5V ACC DET BU DET ACC 5V ACC DET BU DET ACC DET BU DET SW 5V Q

6、570 Q401 Q502 AROUND AROUND Q501 B.UP 5V Q505 B.UP 3.3V IC501 USB 1.8V IC20 USB A5V IC14 SW 20V Q906 IC901 A8V IC502,Q509 PON Q907 USB PON3V Q902 USB PON5V Q901 Q510 PON USB 3.3V USB 5V (500mA) J1 DC-CN REMOTE SENSOR ON/OFF SW IC205 1200mV 1200mV 1200mV (E30-6595-05) (T95-0270-05) A8V A8V A8V B.UP A

7、8V BU3.3V U3.3V U3.3V U3V U3.3V6 8 A5V U3.3V BU3.3V 2 BU3.3V B.UP SW5V 1 2 BU5V 31 A8V 45 BU5V 4 1 1 REMO PON DET BU3.3V BU3.3V 1 BU3.3V 2 4 2 1 SW5V BU3.3V U1.8V A5V BU5V U3.3V U5V A8V BU5V ACC5V GND ACC B.UP ACC5V A8V U5V U1.8V U3.3V 1 RadioFans.CN 收音机爱 好者资料库 KOS-A200 3 COMPONENTS DESCRIPTION MODU

8、LAR UNIT (X14-9790-10/2-71) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1USB Main -com IC2PLL (16.898MHz)For IC15 IC13OPAMPLow Pass Filter IC14A5V Reg.For IC18 IC15DSPFor compression audio decoding IC16SDRAMFor compression audio deployment IC17Flash ROMDecoder software stor

9、ing IC1824 bit D/A converter IC201.8V Reg.For IC15 IC25USB Host Controller IC26Logic IC (NAND)The change of IC15, and IC16/IC17/IC25 IC28Dual bus bufferThe change of the clock supplied to IC16 IC201ISO AMPAudio input isolation amplifier (5L) IC202ISO AMPAudio input isolation amplifier (AUX1/RCA) IC2

10、03ISO AMPAudio input isolation amplifier (AUX2/Mini Jack) IC204Switch OPAMP4 inputs (USB, 5L, AUX1, AUX2), 1 output IC205OPAMPBuffer IC401FM-TX ICFM-Transmiter IC402,403Level shift3.3V 5V IC404OPAMPMix Amp IC501BU3.3V Reg.For IC1, IC601 IC502Audio8V Ref Power SupplyOutput 1.27V IC511,512Level shift3

11、.3V 5V IC601System -com IC602Reset IC“L” when detection voltage goes below 3.0V or less IC901Switching Regulator ControllerPower Supply for USB3.3V & USB 5V. CH1: USB3.3V, CH2: USB5V IC951Power control ICUSB power control switches with over current detection and protection Q16Infinite zero detect SW

12、When a base gose Lo, SW turns on Q17SW of “USB Hi-Side SW”When a base gose Lo, SW turns on Q18DAC MUTE SWWhen a base gose Hi, DAC MUTE turns on Q250252MUTE 0 SWWhen Q250s base goes Lo, MUTE 0 turns on Q401,402PLL+B AVRWhen Q402s base goes Hi, AVR outputs 5V Q403,404Switching FM-TX frequency polariza

13、tionSwitches FM-TX freqency polarization in three level at Q403, 404 and their peripherals Q405,406For FM-TX PLLComposes PLL of FM-TX with Q405, 406 and their peripherals Q407RELAY SWWhen a base gose Hi, the output from IC401 is chosen Q408BufferFor RDS signals Q409412BEEP LEVEL SWSwitches BEEP VOLU

14、ME in five level Q413PLL MUTE SWWhen a base gose Hi, PLL MUTE turns off Q501B.U Detect SWWhen a base gose Hi, B.U voltage is detected RadioFans.CN 收音机爱 好者资料库 KOS-A200 4 Ref. No.Application / FunctionOperation / Condition / Compatibility Q502ACC Detect SWWhen a base gose Hi, ACC voltage is detected Q

15、505,506B.U.5V AVRWhile BU is applied, BU5V AVR outputs 5V Q509,510Audio8V AVRWhen Q510s base goes Hi, A8V AVR outputs 8.0V Q570572REMO.5V AVRWhen Q572s base goes Lo, REMO.5V AVR outputs 5V Q901USB5V AVR SWWhen base goes Hi, USB5V AVR turns off Q902USB3.3V AVR SWWhen base goes Hi, USB3.3V AVR turns o

16、ff Q905908SW16V (Surge Protection)When Q907s base goes Hi, SW16V outputs (BU0.6)V COMPONENTS DESCRIPTION MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER: 703260YGC306A (X14: IC601) Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Table 1AVREF0-VDD 2AVSS-VSSConnect

17、to VSS 3NCNot usedNot used 4RDS_DATAORDS DATA output terminal 5AVREF1-VDDConnect to VDD 6,7NCNot usedOutput L fixed 8FLMD0-Terminal for writing FLASH 9VDD-VDDConnect to VDD 10REGC-4.7 11VSS-VSSConnect to VSS 12X1-4.332MHz 13X2-4.332MHz 14RESET-RESET 15XT1-Not usedConnect to VSS 16XT2-Not usedOPEN 17

18、,18NCNot usedOutput L fixed 19BU_DETIMomentary power down detection L: BU found H: BU not found, at momentary power down KOS-A200 5 Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Table 20NCNot usedOutput L fixed 21LX_REQ_SICommunication request from slave unit 22LX_DATA_S

19、IData from slave unit 23LX_DATA_MOData to slave unit 24LX_CLKOLX BUS clock 25NCNot usedOutput L fixed 26TEST MODE_DETITEST mode detectionH: Normal, L: TEST MODE 27,28NCNot usedOutput L fixed 29LX_CONOStart-up request to slave unitH: Slave unit ON, L: Slave unit OFF 30LX_REQ_MOCommunication request t

20、o the slave unit 31LX_MUTEIMUTE request from slave unitH: Mute ON, L: Mute OFF 32LX_RSTOHardware-reset to slave unitOPEN: At RESET, L: Normally 33EVSS-VSSConnect to VSS 34EVDD-VDDConnect to VDD 35USB_SDAI/O For communication with USB system I2C data input/output terminal 36USB_CLKI/O For communicati

21、on with USB system I2C clock output terminal 3742NCNot usedOutput L fixed 43ROM_SDAI/O E2PROM I2C data input/output terminal for ROM correction 44ROM_CLKOE2PROM I2C clock output terminal for ROM correction 45LCD_CEOLCD driver control request terminalReserved 46BEEPOBEEP outputPWM output 47PRIM_REMOI

22、Attached remote control signal inputDetect pulse width 48LCD_BLKOLCD data blanking output (RESET)Reserved 49ROM_DETIE2PROM writing-in requestL: Writing-in 50LCD_DIILCD data input terminalReserved Output L fixed 51LCD_DOOLCD data output terminalReserved Output L fixed 52LCD_CLKOLCD clock output termi

23、nalReserved Output L fixed 53NCNot usedOutput L fixed 54NCE-VOL data output terminalOutput L fixed 55NCE-VOL clock output terminalOutput L fixed 56POWER_ON_DETIPower ON/OFF switching H: Power ON (Detect 30msec chartering) L: Power OFF (Detect 1sec chartering) 57KEY_REQICommunication request from LCD

24、 driverReserved Connect to LCD_DI, Output L fixed 58ACC_DETIACC power supply detectionL: ACC found, H: ACC not found 59,60NCOSW-Reg frequency switchinguReserved Refer to the truth value table 61PLL_CEOChip-enable output terminal for PLL communicationH: Data found, L: Data not found MICROCOMPUTERS TE

25、RMINAL DESCRIPTION KOS-A200 6 MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Table 62PLL_DOOData output terminal for PLL communication 63PLL_CLKOClock terminal for PLL communication 64PLL_MUTEI/OMUTE terminal for PLL communication MUTE

26、when SW is OFF. Hi-z: Mute ON, H: Mute OFF 6568NCNot usedOutput L fixed 69BVSS-VSS 70BVDD-VDD 71GAIN_0OModulation output switchingqRefer to the truth value table 72GAIN_1OModulation output switchingqRefer to the truth value table 73GAIN_2OModulation output switchingqRefer to the truth value table 74

27、SEP_ATTO“Hi” when GAIN_2 output foundqRefer to the truth value table 75RELAYOAntenna relay control output terminal H: Power ON (MOD ANT) L: Power OFF (CAR ANT) 76FLMD1Terminal for writing FLASH 77,78NCNot usedOutput L fixed 79SRC_SW_0OInput source switchingwRefer to the truth value table 80SRC_SW_1O

28、Input source switchingwRefer to the truth value table 81,82NCNot usedOutput L fixed 83TYPE_0IDestination switchingrRefer to the truth value table 84TYPE_1IDestination switchingrRefer to the truth value table 85BEEP_LEVEL_3I/OBEEP level switchingeRefer to the truth value table 86BEEP_LEVEL_4I/OBEEP l

29、evel switchingeRefer to the truth value table 87MUTE_0I/OMUTE terminalNormal MUTE, Hi-z: Mute OFF, L: Mute ON 88NCNot usedOutput L fixed 89BEEP_LEVEL_1I/OBEEP level switchingeRefer to the truth value table 90BEEP_LEVEL_2I/OBEEP level switchingeRefer to the truth value table 91,92NCONot usedOutput L

30、fixed 93PONI/OPower supply controlw H: Power ON, Hi-z: At power OFF and momentary power down detection 94USB_PON5I/OPower supply control terminal for USB 5VwRefer to the truth value table, ON: Hi-z 95USB_PON3I/OPower supply control terminal for USB 3.3VwRefer to the truth value table, ON: Hi-z 96PLL

31、_PONI/OPLL power supplyw Refer to the truth value table POWER ON: H, POWER OFF: Hi-z 97NCExtra terminal for USBOutput L fixed 98USB_MUTE_LIUSB MUTE (Lch) request terminal H: Normal L: Lch mute request (Valid only when USB) 99USB_MRSTOMechanism -com RST terminalH: Normal, L: RESET 100USB_MSTOPOMechan

32、ism -com stop terminal H: Mechanism -com in operation L: Mechanism -com stop KOS-A200 7 MICROCOMPUTERS TERMINAL DESCRIPTION Truth value table q GAIN switching output GAIN output according to the level as shown in the table below. LEVELGAIN0GAIN1GAIN2SEP-ATTLow 1HHLL 2HLHL 3HLLLHigh w Input switching

33、 and power supply Input sourceSRC_SW_0SRC_SW_1PONPLL_PONUSB_PON3USB_PON5 AUX1LLHHHH AUX2HLHHHH USBLHHHHi-zHi-z LX-BUSHHHHHH While STANDBYLHHHHH Re-send PLL (MONO) data e BEEP level BEEP_L1BEEP_L2BEEP_L3BEEP_L4 LV1LowerHi-zHi-zHi-zH LV2Hi-zHi-zHHi-z LV3Hi-zHHi-zHi-z Default setting LV4HHi-zHi-zHi-z L

34、V5LouderHi-zHi-zHi-zHi-z r Destination setting TYPE_0TYPE_1 KLL EHL u Frequency transition K-Type FSEL1FSEL2Reception frequency LL530690, All status excluding AM source HL7001020, 13901530 LH15401700 HH10301380 E-Type FSEL1FSEL2Reception frequency LL522675, All status excluding MW HL6841017, 1386153

35、0 LH15391629 HH10261377 KOS-A200 8 MICROCOMPUTERS TERMINAL DESCRIPTION USB MAIN MICROCOMPUTER: M30620MCPA28GP (X14: IC1) Pin No.Pin NameI/OApplicationProcessing Operation Description 15NCONot usedOpen output L fixed 6BYTEIExternal data bus switching inputGND connection, fixed to “L” at single chip m

36、ode 7CNVSSIProcessor mode switching L: PullDown connection, single chip mode (H: Micro processor mode) 8_MUTEOAudio MUTE controlL: MUTE ON, H: MUTE OFF 9NCONot usedOpen output L fixed 10_RESETIReset detectionL: RESET, H: NORMAL 11XOUTOMain clock outputXtal connection 12VSS-Power supply inputGND conn

37、ection 13XINIMain clock inputXtal connection 14VCC1-Power supply inputBU3.3V connection 15_NMII_NMI interrupt inputInput H (PullUp) fixed 16_MSTOPIStandby return interruptL: STOP, H: STOP cancel (Hi edge) 17NCONot usedOpen output L fixed 18DSP INTI(DSP) Interruption signal inputH: Interruption (Hi e

38、dge) 1922NCONot usedOpen output L fixed 23E2P SCLI/O(E2P) I2C clock output 24E2P SDAI/O(E2P) I2C data input/output 25,26NCONot usedOpen output L fixed 27SCLI(System -com) I2C clock input 28SDAI/O(System -com) I2C data input/output 29DSP TXDO(DSP) Data output for serial dataNot used 30DSP RXDI(DSP) D

39、ata input for serial dataNot used 31DSP CLKO(DSP) Clock output for serial dataNot used 32DSP STB (BUSY)O(DSP) Data strobe signal output (FLASH: BUSY)Not used 33CS SDATAO(Decoder) Data output for serial dataNot used 34CS BDATAI(Decoder) Data input for serial dataNot used 35CS CLKO(Decoder) Clock outp

40、ut for serial dataNot used 3638NCONot usedOpen output L fixed 39_EPMONot used (FLASH: _EPM)Open output L fixed 40PON D3.3OD3.3V POWER ON control terminalH: POW ON, L: POW OFF 41PON A5OA5.0V POWER ON control terminalH: POW ON, L: POW OFF 42PON CS1OCS7410 series 3.3V POWER ON control terminalH: POW ON

41、, L: POW OFF 43PON CS2OCS7410 series 1.8V POWER ON control terminalH: POW ON, L: POW OFF 44_CEONot used (FLASH: _CE)Open output L fixed 45_DRV MUTEODriver MUTEL: STOP, H: MUTE OFF 46,47NCONot usedOpen output L fixed 48ZERO_MI0bit MUTE detectionH: MUTE ON, L: MUTE OFF 49DE-EMPHASISO(DAC) De-emphasis

42、controlH: De-emphasis ON, L: OFF KOS-A200 9 MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/OApplicationProcessing Operation Description 50,51NCONot usedOpen output L fixed 52LIM SWIPU inner circumference detection SW signal inputH: Inner circumference, L: Other 53DISC_NORMALOMedia detection re

43、sult (normal DISC detected) outputH: Normal DISC, L: Other 54DISC_H_RWOMedia detection result (high-reflection RW detected) outputH: Hi-reflection RW DISC, L: Other 55DISC_RWOMedia detection result (normal RW detected) outputH: Normal RW DISC, L: Other 56TEST OUT4OOutput 4 terminal for TESTOpen outp

44、ut L fixed 57TEST OUT3OOutput 3 terminal for TESTOpen output L fixed 58TEST OUT2OOutput 2 terminal for TESTOpen output L fixed 59TEST OUT1OOutput 1 terminal for TESTOpen output L fixed 60VCC2-Power supply inputBU3.3V connection 61TEST OUT0OOutput 0 terminal for TESTOpen output L fixed 62VSS-Power su

45、pply inputGND connection 6366NCONot usedOpen output L fixed 67TEST IN3ITEST IN3PullDown connection, L: Normal, H: When TEST 68MODEL_SELIMODEL detection terminalL: 6810, H: 6820 69E2P WRITEITEST IN1: E2P writing-in permissionPullDown connection, L: Normal, H: When writing 70UNIQ IDITESTINO: Unique ID

46、 writing permissionPullDown connection, L: Normal, H: When writing 7173NCONot usedOpen output L fixed 74SEARCHOSearch condition outputH: Searching, L: Normal (x2 is fixed to L) 75,76NCONot usedOpen output L fixed 77_DSP RSTO(DSP) Reset controlL: RESET, H: NORMAL 78DSP A0O(DSP) Command/parameter dete

47、ction signal outputH: Parameter being sent, L: Command being sent 79DA EMPHASISI(DSP) DA emphasis inputH: EMPHASIS ON, L: EMPHASIS OFF 80ROM EMPHASISI(Decoder) ROM emphasis inputH: EMPHASIS ON, L: EMPHASIS OFF 81_DATA MUTEOData output statusL: DATA output MUTE, H: DATA being output 82_CS RSTO(Decode

48、r) Reset controlL: RESET, H: NORMAL 83NCONot usedOpen output L fixed 84SREQO(Decoder) SREQ signal output 85BREQI(Decoder) BREQ signal input 8693NCONot usedOpen output L fixed 94AVSS-Analog power supply inputGND connection 95NCONot usedOpen output L fixed 96VREF-Reference voltage inputNot used, GND c

49、onnection 97AVCC-Analog power supply inputBU3.3V connection 98100NCONot usedOpen output L fixed KOS-A200 10 ABCDE 1 2 3 4 5 6 7 PC BOARD (COMPONENT SIDE VIEW) C501 L1 4 1 3 2 1 1 1 1 1 1 1 912 58 14 6 3 2 1 34 21 1 13 14 C962 C908C907 C312 C514 C913 L902 C101 R15 R23 C513 C319 C207 C217 C227 C305 R150 C44 C531C532 C307 C96 C64 C65 C76 C77 C511 C910 C309 C911 C952 C523 EB BE EB C515 R110 C12 C516 R112 R118 R119 R121 C308 R19 C80 CP20 C82 C201 C202 CP21 R115 C78 R116 C84 R309 R337 C914 C321 C72 C915 C963 CP302 CP303 C310 C311 C317 R589 C83 L901 R224 R109 C70 C71 C219 C209