Kenwood-KOSA-200-Service-Manual电路原理图.pdf

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1、 2006-7 PRINTED IN JAPANB53-0448-00 (N)825EXTERNAL MEDIA CONTROLLER WITH RDS ENCODERKOS-A200SERVICE MANUALSize AA Battery(Not Supplied)POWERUSBI/FTO5LI/FREMOTEINANTENNAIN/OUTAUXIN2LRAUXIN1Metallic cabinet(A01-4415-02): (K type)(A01-4418-02): (E type)Magic tape(Not supplied)DC cord (2.5m)(E30-6596-05

2、)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 only)(T90-0578-05)This product uses Lead Fre

3、e solder.This product complies with the RoHS directive for the European market.KOS-A2002BLOCK DIAGRAM1200mV1200mV1200mV1200mV190mV64mVp-p3.3Vp-pLX BUSAUX IN 1J3AMPISOIC202SELECTORIC204IC201AMPISOAUX IN 2J7IC203AMPISOJ2BUFF MUTEQ251,252J6MEMORYUSBUSBUSBHOSTV BUSIC25IC951U5VIC951U3.3VU1.8VIC20NORFLASH

4、 ROMSDRAM(16.898MHz)PLLIC17IC16IC2IC1u-COMIC15DSPCIRRUSD/AL.P.F.IC13,18IC27E2PROMCN1ANT OUTto H/Uto CAR ANTANT INCN2SWK1GAINQ403,404Q408MODULATORIC401FMGAINR403-406RDS ENCODERC431-434LEVEL SHIFT3V 5VL404444,601R431,443,403IC402,AMPMIXIC404BEEP412Q409- LEVEL SHIFTIC511,5123V 5VJ4IC601SYSTEM u-COMRESE

5、T ICIC602E2PROMIC603USB UNITNOT USEDNOT USEDPONUSB PON3VUSB PON5VACC DETBU DETACC 5VACC DETBU DETACC DETBU DETSW 5VQ570Q401Q502AROUNDAROUNDQ501B.UP 5VQ505B.UP 3.3VIC501USB 1.8VIC20USB A5VIC14SW 20VQ906IC901A8VIC502,Q509PONQ907USB PON3VQ902USB PON5VQ901Q510PONUSB 3.3VUSB 5V(500mA)J1DC-CNREMOTESENSORO

6、N/OFF SWIC2051200mV1200mV1200mV(E30-6595-05)(T95-0270-05)A8VA8VA8VB.UPA8VBU3.3VU3.3VU3.3VU3VU3.3V 68A5VU3.3VBU3.3V2BU3.3VB.UPSW5V12BU5V31A8V45BU5V411REMOPON DETBU3.3VBU3.3V1BU3.3V2421SW5VBU3.3VU1.8VA5VBU5VU3.3VU5VA8VBU5VACC5VGNDACCB.UPACC5VA8VU5VU1.8VU3.3V1KOS-A2003COMPONENTS DESCRIPTION MODULAR UNI

7、T (X14-9790-10/2-71)Ref. No. Application / Function Operation / Condition / CompatibilityIC1 USB Main -comIC2 PLL (16.898MHz) For IC15IC13 OPAMP Low Pass FilterIC14 A5V Reg. For IC18IC15 DSP For compression audio decodingIC16 SDRAM For compression audio deploymentIC17 Flash ROM Decoder software stor

8、ingIC18 24 bit D/A converterIC20 1.8V Reg. For IC15IC25 USB Host ControllerIC26 Logic IC (NAND) The change of IC15, and IC16/IC17/IC25IC28 Dual bus buffer The change of the clock supplied to IC16IC201 ISO AMP Audio input isolation amplifier (5L)IC202 ISO AMP Audio input isolation amplifier (AUX1/RCA

9、)IC203 ISO AMP Audio input isolation amplifier (AUX2/Mini Jack)IC204 Switch OPAMP 4 inputs (USB, 5L, AUX1, AUX2), 1 outputIC205 OPAMP BufferIC401 FM-TX IC FM-TransmiterIC402,403 Level shift 3.3V 5VIC404 OPAMP Mix AmpIC501 BU3.3V Reg. For IC1, IC601IC502 Audio8V Ref Power Supply Output 1.27VIC511,512

10、 Level shift 3.3V 5VIC601 System -comIC602 Reset IC “L” when detection voltage goes below 3.0V or lessIC901 Switching Regulator Controller Power Supply for USB3.3V & USB 5V. CH1: USB3.3V, CH2: USB5VIC951 Power control IC USB power control switches with over current detection and protectionQ16 Infini

11、te zero detect SW When a base gose Lo, SW turns onQ17 SW of “USB Hi-Side SW” When a base gose Lo, SW turns onQ18 DAC MUTE SW When a base gose Hi, DAC MUTE turns onQ250252 MUTE 0 SW When Q250s base goes Lo, MUTE 0 turns onQ401,402 PLL+B AVR When Q402s base goes Hi, AVR outputs 5VQ403,404 Switching FM

12、-TX frequency polarization Switches FM-TX freqency polarization in three level at Q403, 404 and their peripheralsQ405,406 For FM-TX PLL Composes PLL of FM-TX with Q405, 406 and their peripheralsQ407 RELAY SW When a base gose Hi, the output from IC401 is chosenQ408 Buffer For RDS signalsQ409412 BEEP

13、LEVEL SW Switches BEEP VOLUME in five levelQ413 PLL MUTE SW When a base gose Hi, PLL MUTE turns offQ501 B.U Detect SW When a base gose Hi, B.U voltage is detectedKOS-A2004Ref. No. Application / Function Operation / Condition / CompatibilityQ502 ACC Detect SW When a base gose Hi, ACC voltage is detec

14、tedQ505,506 B.U.5V AVR While BU is applied, BU5V AVR outputs 5VQ509,510 Audio8V AVR When Q510s base goes Hi, A8V AVR outputs 8.0VQ570572 REMO.5V AVR When Q572s base goes Lo, REMO.5V AVR outputs 5VQ901 USB5V AVR SW When base goes Hi, USB5V AVR turns offQ902 USB3.3V AVR SW When base goes Hi, USB3.3V A

15、VR turns offQ905908 SW16V (Surge Protection) When Q907s base goes Hi, SW16V outputs (BU0.6)VCOMPONENTS DESCRIPTIONMICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER: 703260YGC306A (X14: IC601)Pin No. Pin Name I/O ApplicationTruth ValueProcessing Operation DescriptionTable1AVREF0 - VDD2AVSS - V

16、SS Connect to VSS3NC Not used Not used4 RDS_DATA O RDS DATA output terminal5AVREF1 - VDD Connect to VDD6,7 NC Not used Output L fixed8 FLMD0 - Terminal for writing FLASH9 VDD - VDD Connect to VDD10 REGC - 4.711 VSS - VSS Connect to VSS12 X1 - 4.332MHz13 X2 - 4.332MHz14 RESET - RESET15 XT1 - Not used

17、 Connect to VSS16 XT2 - Not used OPEN17,18 NC Not used Output L fixed19 BU_DET I Momentary power down detectionL: BU foundH: BU not found, at momentary power downKOS-A2005Pin No. Pin Name I/O ApplicationTruth ValueProcessing Operation DescriptionTable20 NC Not used Output L fixed21 LX_REQ_S I Commun

18、ication request from slave unit22 LX_DATA_S I Data from slave unit23 LX_DATA_M O Data to slave unit24 LX_CLK O LX BUS clock25 NC Not used Output L fixed26 TEST MODE_DET I TEST mode detection H: Normal, L: TEST MODE27,28 NC Not used Output L fixed29 LX_CON O Start-up request to slave unit H: Slave un

19、it ON, L: Slave unit OFF30 LX_REQ_M O Communication request to the slave unit31 LX_MUTE I MUTE request from slave unit H: Mute ON, L: Mute OFF32 LX_RST O Hardware-reset to slave unit OPEN: At RESET, L: Normally33 EVSS - VSS Connect to VSS34 EVDD - VDD Connect to VDD35 USB_SDA I/OFor communication wi

20、th USB systemI2C data input/output terminal36 USB_CLK I/OFor communication with USB systemI2C clock output terminal3742 NC Not used Output L fixed43 ROM_SDA I/OE2PROM I2C data input/output terminalfor ROM correction44 ROM_CLK O E2PROM I2C clock output terminal for ROM correction45 LCD_CE O LCD drive

21、r control request terminal Reserved46 BEEP O BEEP output PWM output47 PRIM_REMO I Attached remote control signal input Detect pulse width48 LCD_BLK O LCD data blanking output (RESET) Reserved49 ROM_DET I E2PROM writing-in request L: Writing-in50 LCD_DI I LCD data input terminal Reserved Output L fix

22、ed51 LCD_DO O LCD data output terminal Reserved Output L fixed52 LCD_CLK O LCD clock output terminal Reserved Output L fixed53 NC Not used Output L fixed54 NC E-VOL data output terminal Output L fixed55 NC E-VOL clock output terminal Output L fixed56 POWER_ON_DET IPower ON/OFF switchingH: Power ON (

23、Detect 30msec chartering)L: Power OFF (Detect 1sec chartering)57 KEY_REQ I Communication request from LCD driver Reserved Connect to LCD_DI, Output L fixed58 ACC_DET I ACC power supply detection L: ACC found, H: ACC not found59,60 NC O SW-Reg frequency switching u Reserved Refer to the truth value t

24、able61 PLL_CE O Chip-enable output terminal for PLL communication H: Data found, L: Data not foundMICROCOMPUTERS TERMINAL DESCRIPTIONKOS-A2006MICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O ApplicationTruth ValueProcessing Operation DescriptionTable62 PLL_DO O Data output terminal for PLL co

25、mmunication63 PLL_CLK O Clock terminal for PLL communication64 PLL_MUTE I/O MUTE terminal for PLL communicationMUTE when SW is OFF.Hi-z: Mute ON, H: Mute OFF6568 NC Not used Output L fixed69 BVSS - VSS70 BVDD - VDD71 GAIN_0 O Modulation output switching q Refer to the truth value table72 GAIN_1 O Mo

26、dulation output switching q Refer to the truth value table73 GAIN_2 O Modulation output switching q Refer to the truth value table74 SEP_ATT O “Hi” when GAIN_2 output found q Refer to the truth value table75 RELAY O Antenna relay control output terminalH: Power ON (MOD ANT)L: Power OFF (CAR ANT)76 F

27、LMD1 Terminal for writing FLASH77,78 NC Not used Output L fixed79 SRC_SW_0 O Input source switching w Refer to the truth value table80 SRC_SW_1 O Input source switching w Refer to the truth value table81,82 NC Not used Output L fixed83 TYPE_0 I Destination switching r Refer to the truth value table8

28、4 TYPE_1 I Destination switching r Refer to the truth value table85 BEEP_LEVEL_3 I/O BEEP level switching e Refer to the truth value table86 BEEP_LEVEL_4 I/O BEEP level switching e Refer to the truth value table87 MUTE_0 I/O MUTE terminal Normal MUTE, Hi-z: Mute OFF, L: Mute ON88 NC Not used Output

29、L fixed89 BEEP_LEVEL_1 I/O BEEP level switching e Refer to the truth value table90 BEEP_LEVEL_2 I/O BEEP level switching e Refer to the truth value table91,92 NC O Not used Output L fixed93 PON I/O Power supply control wH: Power ON, Hi-z: At power OFF andmomentary power down detection94 USB_PON5 I/O

30、 Power supply control terminal for USB 5V w Refer to the truth value table, ON: Hi-z95 USB_PON3 I/O Power supply control terminal for USB 3.3V w Refer to the truth value table, ON: Hi-z96 PLL_PON I/O PLL power supply wRefer to the truth value tablePOWER ON: H, POWER OFF: Hi-z97 NC Extra terminal for

31、 USB Output L fixed98 USB_MUTE_L I USB MUTE (Lch) request terminalH: NormalL: Lch mute request (Valid only when USB)99 USB_MRST O Mechanism -com RST terminal H: Normal, L: RESET100 USB_MSTOP O Mechanism -com stop terminalH: Mechanism -com in operationL: Mechanism -com stopKOS-A2007MICROCOMPUTERS TER

32、MINAL DESCRIPTIONTruth value tableq GAIN switching outputGAIN output according to the level as shown in the table below.LEVEL GAIN0 GAIN1 GAIN2 SEP-ATT Low1HHLL2HLHL3HLLLHighw Input switching and power supplyInput source SRC_SW_0 SRC_SW_1 PON PLL_PON USB_PON3 USB_PON5AUX1 L L HHHHAUX2 H LUSB L H H H

33、 Hi-z Hi-zLX-BUS H H H H H HWhile STANDBY L H H H H HRe-send PLL (MONO) datae BEEP levelBEEP_L1 BEEP_L2 BEEP_L3 BEEP_L4LV1Lower Hi-z Hi-z Hi-z HLV2 Hi-z Hi-z H Hi-zLV3 Hi-z H Hi-z Hi-z Default settingLV4HHi-z Hi-z Hi-zLV5 Louder Hi-z Hi-z Hi-z Hi-zr Destination settingTYPE_0 TYPE_1KLLEHu Frequency t

34、ransitionK-TypeFSEL1 FSEL2 Reception frequencyLL530690, All status excluding AM sourceHL7001020, 13901530LH15401700HH10301380E-TypeFSEL1 FSEL2 Reception frequencyLL522675, All status excluding MWHL6841017, 13861530LH15391629HH10261377KOS-A2008MICROCOMPUTERS TERMINAL DESCRIPTION USB MAIN MICROCOMPUTE

35、R: M30620MCPA28GP (X14: IC1)Pin No. Pin Name I/O Application Processing Operation Description15 NC O Not used Open output L fixed6 BYTE I External data bus switching input GND connection, fixed to “L” at single chip mode7 CNVSS I Processor mode switchingL: PullDown connection, single chip mode(H: Mi

36、cro processor mode)8 _MUTE O Audio MUTE control L: MUTE ON, H: MUTE OFF9NCONot used Open output L fixed10 _RESET I Reset detection L: RESET, H: NORMAL11 XOUT O Main clock output Xtal connection12 VSS - Power supply input GND connection13 XIN I Main clock input Xtal connection14 VCC1 - Power supply i

37、nput BU3.3V connection15 _NMI I _NMI interrupt input Input H (PullUp) fixed16 _MSTOP I Standby return interrupt L: STOP, H: STOP cancel (Hi edge)17 NC O Not used Open output L fixed18 DSP INT I (DSP) Interruption signal input H: Interruption (Hi edge)1922 NC O Not used Open output L fixed23 E2P SCL

38、I/O (E2P) I2C clock output24 E2P SDA I/O (E2P) I2C data input/output25,26 NC O Not used Open output L fixed27 SCL I (System -com) I2C clock input28 SDA I/O (System -com) I2C data input/output29 DSP TXD O (DSP) Data output for serial data Not used30 DSP RXD I (DSP) Data input for serial data Not used

39、31 DSP CLK O (DSP) Clock output for serial data Not used32 DSP STB (BUSY) O (DSP) Data strobe signal output (FLASH: BUSY) Not used33 CS SDATA O (Decoder) Data output for serial data Not used34 CS BDATA I (Decoder) Data input for serial data Not used35 CS CLK O (Decoder) Clock output for serial data

40、Not used3638 NC O Not used Open output L fixed39 _EPM O Not used (FLASH: _EPM) Open output L fixed40 PON D3.3 O D3.3V POWER ON control terminal H: POW ON, L: POW OFF41 PON A5 O A5.0V POWER ON control terminal H: POW ON, L: POW OFF42 PON CS1 O CS7410 series 3.3V POWER ON control terminal H: POW ON, L

41、: POW OFF43 PON CS2 O CS7410 series 1.8V POWER ON control terminal H: POW ON, L: POW OFF44 _CE O Not used (FLASH: _CE) Open output L fixed45 _DRV MUTE O Driver MUTE L: STOP, H: MUTE OFF46,47 NC O Not used Open output L fixed48 ZERO_M I 0bit MUTE detection H: MUTE ON, L: MUTE OFF49 DE-EMPHASIS O (DAC

42、) De-emphasis control H: De-emphasis ON, L: OFFKOS-A2009MICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O Application Processing Operation Description50,51 NC O Not used Open output L fixed52 LIM SW I PU inner circumference detection SW signal input H: Inner circumference, L: Other53 DISC_NORM

43、AL O Media detection result (normal DISC detected) output H: Normal DISC, L: Other54 DISC_H_RW O Media detection result (high-reflection RW detected) output H: Hi-reflection RW DISC, L: Other55 DISC_RW O Media detection result (normal RW detected) output H: Normal RW DISC, L: Other56 TEST OUT4 O Out

44、put 4 terminal for TEST Open output L fixed57 TEST OUT3 O Output 3 terminal for TEST Open output L fixed58 TEST OUT2 O Output 2 terminal for TEST Open output L fixed59 TEST OUT1 O Output 1 terminal for TEST Open output L fixed60 VCC2 - Power supply input BU3.3V connection61 TEST OUT0 O Output 0 term

45、inal for TEST Open output L fixed62 VSS - Power supply input GND connection6366 NC O Not used Open output L fixed67 TEST IN3 I TEST IN3 PullDown connection, L: Normal, H: When TEST68 MODEL_SEL I MODEL detection terminal L: 6810, H: 682069 E2P WRITE I TEST IN1: E2P writing-in permission PullDown conn

46、ection, L: Normal, H: When writing70 UNIQ ID I TESTINO: Unique ID writing permission PullDown connection, L: Normal, H: When writing7173 NC O Not used Open output L fixed74 SEARCH O Search condition output H: Searching, L: Normal (x2 is fixed to L)75,76 NC O Not used Open output L fixed77 _DSP RST O

47、 (DSP) Reset control L: RESET, H: NORMAL78 DSP A0 O (DSP) Command/parameter detection signal output H: Parameter being sent, L: Command being sent79 DA EMPHASIS I (DSP) DA emphasis input H: EMPHASIS ON, L: EMPHASIS OFF80 ROM EMPHASIS I (Decoder) ROM emphasis input H: EMPHASIS ON, L: EMPHASIS OFF81 _

48、DATA MUTE O Data output status L: DATA output MUTE, H: DATA being output82 _CS RST O (Decoder) Reset control L: RESET, H: NORMAL83 NC O Not used Open output L fixed84 SREQ O (Decoder) SREQ signal output85 BREQ I (Decoder) BREQ signal input8693 NC O Not used Open output L fixed94 AVSS - Analog power

49、supply input GND connection95 NC O Not used Open output L fixed96 VREF - Reference voltage input Not used, GND connection97 AVCC - Analog power supply input BU3.3V connection98100 NC O Not used Open output L fixedKOS-A20010A B C D E1234567PC BOARD (COMPONENT SIDE VIEW)C501L14132111111191258146321342 111314C962C908C907C312C514C913L902C101R15R23C513C319C207C217C227C305R150C44C531 C532C307C96C64C65C76C77C511C910C309C911C952C523EBBEEBC515R110C12C516R112R118R119R121C308R19C80CP20C82C201 C202CP21R115C78R116C84R309R337C914C321C7