Kenwood-KD-CU-449-Service-Manual电路原理图.pdf

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1、This product uses Lead Free solder.This product complies with the RoHS directive for the European market.SERVICE MANUALKDC-4551UB/455UWKDC-4651URYKDC-U449/U5049CD RECEIVER 2010-12 PRINTED IN JA PANB53-0835-00 (N) 223TDF SPARE-PANELMAIN UNIT NAME TDF PARTS No. TDF NAMEKDC-4551UB Y33-3382-71 TDF-4551U

2、BKDC-455UW Y33-3382-72 TDF-455UWKDC-4651URY Y33-3382-73 TDF-4651URYKDC-U449KDC-U5049 Y33-3383-01 TDF-U5049KDC-U449 : Panel assy (GE20277-007A)KDC-4451UB : Panel assy (GE20277-001A)Y33-3380-21 TDF-U449KDC-U5049 : Panel assy (GE20277-010A)After replacing E2PROM (IC771 on X34), tuner setting adjustment

3、 is needed.The adjustment is that to perform the “TUNER Setting Adjustment Mode” (Page 5) in the “Tuner Test Mode Specification” of “Production Test Mode”.Tuner setting adjustment after replacing E2PROMMounting sleeve assy(GE34134-001A)Hook(GE40510-001A) x2* Car cable(QAM1341-001)* Screw set(N99-175

4、7-15)* Carrying case(W01-1710-05)* Car cable(E30-6937-05)* Tap screw (2x8)(N80-2008-43)* Hard case assy(A02-2757-13)* Remote control unit (RC-405)(A70-2104-05)Trim plate(GE20274-001A)KDC-455UW : Panel assy (GE20277-002A)KDC-4651URY : Panel assy (GE20280-015A)* Depends on the model. Refer to the part

5、s list.KDC-4551U KDC-455UKDC-4651U KDC-U449KDC-U50492KDC-4551UB/455UW/4651URYKDC-U449/U5049BLOCK DIAGRAM1BU DETPHONERESET959BU DET12MUTER902,90312211111D8912FL+BPS1-1 / PS1-2 / PS1-3ACC5V / BU-DETPS2-1 / PS2-2PHONEPS1-1 / PS1-2 / PS1-3PS2-1 / PS2-2 P-ANTP-CONSP-OUTPHONEACCBU5SW3.3VSW3.3VPON-FL18ACC5

6、VPANEL3.3VCD1.5V CD3.3V22FL+B322FL+BE-VOLIC161A9VSYSTEM u-COM & USB HOSTQ321,341PHONEQ970BU DETQ971SW 3.3VQ951,952IC501AUDIOCDBU5VSW5(REMO DRV)RESET ICIC702ILLUMI+BCONNECTORRESET SWREMOFLIC701IC301IC602CN901ILLUMI+BEN601 FL601J321MUTEQ780IC1Q701VDD3.3Vto GNDS701CN601A9VANTE2PROMBU3.3VF-AUXJ602PANEL

7、DETIC901CN701SW3.3VIC771TUNERROTARYENCODERKEYILLUMI(FL FILAMENT)RESISTORKEYMATRIXMOTORDRIVERICSUPPLYPOWERDC-CN etcMUTERCAAMPPOWERRCA-OUTDETSURGE-DC-CNBU5VSERVO IC(OASIS)IC540CD 3.3VCD 1.5VIC530-532BUBU3.3VATOMIC(OE REMOTE)EXT REMOMECHACDCD3.3Vto MECHAJ1BU3.3Vto DCCONNECTORPANEL3.3VCDBU3.3VBU5VLOADSW

8、3.3VIC931BU3.3VSW 3.3V BU5VPANEL SW3.3Q602BU3.3VBU5VUSB5VCPi-PodIC80SW3.3VSWHI-SIDEUSB5V(DC/DC)IC981IC961USB5VUSB CNCN603ELECTRIC UNIT (X34- )SWITCH UNIT (X16- )3KDC-4551UB/455UW/4651URYKDC-U449/U50491. PanelACCENTSEARCHRETURN VOL2. How to enter each Test ModeTest Mode name OperationProduction Test

9、Mode Press and hold 1 key and 3 key and reset.Service Test ModeIn the STANDBY source, while pressing and holding 2 key, press 6 key for 7 seconds.(Starting to press 2 key and 6 key at the same time can not be entered into the mode)DC Error Information Mode Press and hold 3 key and 6 key and reset. T

10、ransition to Test Mode shall be available during DC Error detection.3. How to release each Test Mode Reset Momentary voltage drop ACC OFF POWER OFF Panel Detach4. Production Test Mode Default status immediately after the mode activationIt shall be same as normal RST start in other than the below set

11、ting.DetailsDifference in actionPeriod to prohibit TEL/LINE MUTE immediately after activation (normally 10 seconds)1 secondMecha Initialize Action ProhibitedWrite-in to E2PROM when detecting a DC error ProhibitedDemo Mode ON/OFF Setting Menu ProhibitedPower supply during ACC OFF (Back Up On) MUTE te

12、rminal turns OFF after 2 secondsBEEP sound Beep with short-pressing in any functionsVarious setting value Volume 30 (-10dB)BASS BOOST/LOUD OFFEQ NATURALFader/Balance CenterDEMO Mode Setting OFFAUX Setting ON1NAVI MUTE Setting for Japan Detecting function valid (ATT)TEST MODE4KDC-4551UB/455UW/4651URY

13、KDC-U449/U5049 Mode structureSome Test Modes change according to the current source.The following table shows the current source in Set and the related test mode status.KWD model source Test modePOWER OFF -Standby STANDBY Test ModeTUNER TUNER Test ModeCD CD Test ModeUSB -AUX - Mode contentSyscon sha

14、ll display the following information after entering this mode. The operation shown below shall be workable.Display content DetailsPRO TESTThe display is released when another operation is executed.The display will blink if sub clock is not functioning. STANDBY Test Mode Specifi cationOperation Displ

15、ay content Details1 (Toggle)Syscom version display SYS0 Syscom version (Refer to Syscom Version Table)All lights ON All lights ON (Switch to other display)2 (Toggle)Serial No. display SN :00000000Serial No. display (8-digit) Display as it is in hexAll lights ON All lights ON (Switch to other display

16、)3 (Toggle) All lights ON/OFF All lights ON/OFF with toggle4 (Toggle)Information display iPod verifi cation IC mount status displayiPod :iPod :OKiPod :NGiPod :iPod verifi cation IC mount status displayBlank: VerifyingOK: Verifi cation IC mountedNG: Verifi cation IC not mounted: Non-iPod support mode

17、lAll lights ON All lights ON (Switch to other display)5 (Toggle) Preout switchSWPRE RE ARSWPRE SUB WSwitch Preout with Toggle(1Preout/2Preout model only)6 (Toggle) All lights ON/OFF All lights ON/OFF with toggleSOURCE TransitionMode release Return to Normal modeRETURN Mode release Return to Normal m

18、ode Tuner Test Mode Specifi cationThe following displays shall be indicated according to the TUNER status.Status Display content DetailsTUNER IC Communication errorTUN CON NGCommunication to TUNER IC not available (indicated unless the mode is in Clock Display Mode).TEST MODE5KDC-4551UB/455UW/4651UR

19、YKDC-U449/U5049Status Display content DetailsAdjustment not implemented ERR A97.9AFor models that TUNER adjustment is necessary but not done (adjustment value: 0x00 or 0xFF), the following TUNER Test Mode functions are valid (“ERR” display is continuing).Display “ERR” blinks with 250ms interval.RDS

20、Specifi ed data reception RDS TESTTurn OFF P-CON forcibly if PS=RDS TEST is received.P-CON recovers with Power OFF/ON.OperationsOperation Display content DetailsACCENTTUNER IC displayATOM RDSDisplay TUNER IC version Display content is assigned by Tuner Development G.4 Preset operation FM1 3 A 9 7.9A

21、Switch to either 98.3 (except for J type)BANDBAND switch operationFM1 3 A 9 7.9AExecute Band Switch as shown in the following table every time Band key is pressed in each type.SEARCHS meter voltage judgment displaySMTR xx:OKSMTR xx:NGSMTR xx:S meter value xx: Current S meter valueDetermination resul

22、t OK: Within S meter voltage specNG: Out of S meter voltage spec : No LEVEL OFFSET adjustmentDISPShift to TUNER setting modeTransit to TUNER setting adjustment mode after switching to 98.3MHzFrequency: 98.3MHz, Modulation frequency: 1kHz, Modulation mode: MONO, Modulation: OFF, Deviation: 40kHz, ANT

23、 input level: 34dBVTUNER Setting Adjustment Mode1. Operation (Operation after performance of above-mentioned “Shift to TUNER setting mode” item)Operation Display content DetailsBAND (Toggle)AUTO Adjustment ModeA Sxx LxxSelect TUNER adjustment method (A: AUTO) us-ing BAND key.S-xx: Current S meter va

24、lue (Hex)L-xx: Level offset value (Hex) In case that the level offset value is not ad-justed (0xFF or 0x00), display “ ”.2. Operations in AUTO Adjustment ModeOperation Display content DetailsVOL PUSH Adjustment start A Sxx LxxStart Adjustment (Start Auto adjustment, and transit to Success/Failure di

25、splay depending on the adjustment result)3. Status display during adjustmentStatus Display content DetailsAdjustment success ADJ OK :x xWhen the adjustment value write-in to E2PROM (IC771 on X34) has been completed. xx: Level offset value (HEX)Adjustment failure ADJ NGWhen the adjustment value write

26、-in to E2PROM (IC771 on X34) has failed.TEST MODE6KDC-4551UB/455UW/4651URYKDC-U449/U50494. Operation of return to TUNER Test ModeOperation Display content DetailsRETURN Mode release Return to TUNER Test Mode. BAND switch listType BAND1 BAND2 BAND3 BAND4 BAND5 BAND6 DetailsE qFM1 FM2 FM3 wMW/LW - - q

27、wqM/C qFM1 FM2 FM3 wMW eSW1 rSW2 qwerq CD Test Mode Specifi cationIt shall be the same as normal RST start in other than the below setting.Content DetailsPlayback track from top No.9Default for Display mode Play timeOperations in CDDA playbackOperation Display content DetailsSpecial track upPressed

28、Track up depend on different cases.Case 1: Track23 No.9No.15No.10No.22No.12No.13No.14No.9Case 2: Track8 No.1No.2No.3Until Last TrackCase 3: 8Track22No.9No.15No.10Until Last TrackSpecial track downOne-by-one Track down by sequence follow Track No. 1(Toggle)HC1/2 Judge-ment Information DisplayCD HC1CD

29、 HC2CD HC1/2 Judgement Infomation.HC1: HC1 mecha (for this model)HC2: HC2 mecha: Impossible of JudgementNormal Display C D 0 1: 1:2 3 Normal Display3Special jump operationJump to No.28(Scratch 0.7mm for MUSIC line vibration test)4Special jumpoperationJump to No.14 (Damaged disc TCD-731RA Tr14)5Speci

30、al jumpoperationJump to No.15Set Volume value at 26 (for error operation FCT check of 20Hz 0dB DC protection)6Special jumpoperationJump to No.9 if the other than track No.9 is playing.Jump to No.22 if the track No.9 is playing.5. Service Test Mode Default status immediately after the mode activation

31、It shall be same as the normal activation. Mode structureService Test Mode is enabled only STANDBY source.TEST MODE7KDC-4551UB/455UW/4651URYKDC-U449/U5049 Mode contentSyscon shall display the following information after entering this mode. The operation shown below shall be workable. Display content

32、 DetailsSRV TEST The display is released when another operation is executed. Common operation mode for only STANDBY sourcesOperation Display content Details1Development name status display1011WE 200Development name Version (Micom)3Power ON duration displayPONTM 0Hx x0050 are displayed in “xx”.For le

33、ss than 1 hour, the display is indicated per 10 minutes.PONTM xxxxx0000110922 are displayed in “xxxxx”.MAX 10922 (hours)4Disc action duration displayCDTM 0Hx x050 are displayed in “xx”.For less than 1 hour, the display is indicated per 10 minutes.CDTM xxxxx0000110922 are displayed in “xxxxx”.MAX 109

34、22 (hours)5Disc Eject number of times displayEJCNT xxxxxDisplay Disc Eject number of times.MAX 65535 (times)5Disc Eject number of times clearClear Disc Eject number of times by pressing for 2 seconds when it is displayed.Forced Power OFF information displayPOFF No forced Power OFFPOFF PNLForced Powe

35、r OFF due to Syscon-Panel communica-tion error.Forced Power OFF info clearClear forced Power OFF information by pressing for 2 seconds when it is displayed. CD Error Information Display ModeOperation Display content DetailsDISPCD error information display modeTransit to CD error information display

36、mode.Move between BAND (Forward search)items with /CD Mech error log displayMECHA ER#:x xMech error history 1,2,3 (latest)#: History No. (1,2,3)xx: numbers of errors, “-” when there is noneCD Load error info displayLOAD ER#:x xLoad error switch 1,2#: Switch No. (1,2)xx: numbers of errors, “-” when t

37、here is noneCD Eject error info displayEJECT ER#:xxEject error switch 1,2,3,4#: Switch No. (1,2,3,4)xx: numbers of errors, “-” when there is noneCD time code error count information display (count skip)CNT LOSECD time code error count information (count skip) mode displayCDDA :x xCD-DA error count n

38、umbersxx: numbers of errors and “-” when there is noneCDROM :x xCD-ROM (compressed fi le) error count numbersxx: numbers of errors and “-” when there is noneTEST MODE8KDC-4551UB/455UW/4651URYKDC-U449/U5049Operation Display content DetailsMove between BAND (Forward search)items with /CD time code err

39、or count information display (no count update)CNT STAYCD time code error count information (count not up-dated) mode displayCDDA :x xCD-DA error count numbersxx: numbers of errors and “-” when there is noneCDROM :x xCD-ROM (compressed fi le) error count numbersxx: numbers of errors and “-” when ther

40、e is noneDISPCD error information clearCD error information all clearDISP Mode release CD error information display mode release6. DC Error Information Mode Default status immediately after the mode activationIt shall be same as normal activation. Mode structureDC Error Info Mode is enabled regardle

41、ss of current source. Mode contentSyscon shall display the following information after entering this mode. The operation shown below shall be workable.Display content DetailsD CERWhen DC error is detected (in case that one of capacitor leakage, wrong connection or other detection is found)DC OKWhen

42、DC error is not detected (in case that none of capacitor leakage, wrong connec-tion or other detection is not found) Mode operation specifi cation Operation Display content Details1 DC ERR1 displayDC1 ERRWhen wrong connection & DC error in other detection duration is detected DC1 OKWhen wrong connec

43、tion & DC error in other detection duration is not detected1 DC ERR1 clear DC1 OKClear detection information when wrong connection & DC error in other detection duration is displayed. (Clear data fl ash)2 DC ERR2 display DC2 4Display detecting number of times in capacitor leakage detection duration

44、(04)2 DC ERR2 clear DC2 0Clear number of times for detection information in ca-pacitor leakage detection duration. (Clear data fl ash)7. FM/AM Channel space switching (Except models for destination “E”)Procedure NoteWhile Power OFF, pressing and holding 1 key and 5 key, and press SRC key to Power ON

45、.FM200kHz/AM10kHz FM50kHz/AM9kHzTEST MODE9KDC-4551UB/455UW/4651URYKDC-U449/U5049Refer to the schematic diagram for the values of resistors and capacitors.CN101CN102SW4SW3SW2SW1R1SL1151B1SL226SP-SP+FE-WHTLO-LO+WHTYELREDBLKYELFE+ORGORGRESTMGND1CD PLAYER UNITX32-6430-00 A/2 (LVB11003-001A)X32 B/2PC BOA

46、RD (FOIL SIDE VIEW)EDCBA123456710KDC-4551UB/455UW/4651URYKDC-U449/U5049PC BOARD (FOIL SIDE VIEW)Q321Q251D251D321D2D1Q341D341IC1IC580D102D112D540D113IC540IC501Q540IC80D110D502D503D100D101Q782Q971Q970Q951Q780Q781IC771IC93IC531IC532IC530D781D780D782D301D970D971D132D783IC161C253R347R349R461R257R343L10R9

47、R10C2C6R2C1C29C27R3C12C11R6R7R324R310 R400C317R1R333R168C168R477R320R373 R342C341R341R332R351R321C321R255 R253R252R251C26C28R323C17R4C18 R11C16 C19 C22R5 R8R165 R163R161R167R162C308 C307C319 C318L161C166R334C170 C171R340R322C254 R258R330 R331 R353R254R256C331R352R350TH301R303R304C313C316C169C351R305

48、R780C314R781 C311 C312R307R357 R358C315C305R783C178C306R481R974R971R970R451R306R446R444R443R422R972 R976R401R491R447R302C540C541R574C570C568R463R530R409R408R570R465R466R464C574C573R973C954R484R445R439R742R744R471R418R440C714R74C727R754 R753R778R904R779C931R975C723 R479R450R701R718R426R787R405C572 R5

49、73 C571C535C532C533 C530 C531C569C567 R572 R571R739C534R784L4C20R544R542R541 C548C549C545C544C543C177R478R404R723R417C8C21C10C3C4C7C5R591 R579 C587 R592 R599 R529 R587 R588C595 R589R590R594R403C546 C547C542R540R402R543R416C592R595C23C13C14C15R432R722L11L12R726C161C173C575C576R545R549R512R548R412R411R519R520R546R585R580R528R575R490C102C101R468R550R413R414C512C508R547C557 R467C556R410C505R516C552C558C554C555C594R593 R5