Kenwood-KD-CU-5049-Service-Manual 电路图 维修手册.pdf

《Kenwood-KD-CU-5049-Service-Manual 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Kenwood-KD-CU-5049-Service-Manual 电路图 维修手册.pdf（33页珍藏版）》请在收音机爱好者资料库上搜索。

1、This product uses Lead Free solder. This product complies with the RoHS directive for the European market. SERVICE MANUAL KDC-4551UB/455UW KDC-4651URY KDC-U449/U5049 CD RECEIVER 2010-12 PRINTED IN JA PAN B53-0835-00 (N) 223 TDF SPARE-PANEL MAIN UNIT NAMETDF PARTS No.TDF NAME KDC-4551UBY33-3382-71TDF

2、-4551UB KDC-455UWY33-3382-72TDF-455UW KDC-4651URYY33-3382-73TDF-4651URY KDC-U449 KDC-U5049Y33-3383-01TDF-U5049 KDC-U449 : Panel assy (GE20277-007A) KDC-4451UB : Panel assy (GE20277-001A) Y33-3380-21TDF-U449 KDC-U5049 : Panel assy (GE20277-010A) After replacing E2PROM (IC771 on X34), tuner setting ad

3、justment 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 E2PROM Mounting sleeve assy (GE34134-001A) Hook (GE40510-001A) x2 * Car cable (QAM1341-001) *

4、Screw set (N99-1757-15) * 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) * Depend

5、s on the model. Refer to the parts list. KDC-4551UKDC-455U KDC-4651U KDC-U449 KDC-U5049 RadioFans.CN 收音机爱 好者资料库 2 KDC-4551UB/455UW/4651URY KDC-U449/U5049 BLOCK DIAGRAM 1 BU DET PHONE RESET 9 5 9 BU DET 1 2 MUTE R902,903 12 2 1 1 111 D891 2 FL+B PS1-1 / PS1-2 / PS1-3 ACC5V / BU-DET PS2-1 / PS2-2 PHON

6、E PS1-1 / PS1-2 / PS1-3 PS2-1 / PS2-2P-ANT P-CON SP-OUT PHONE ACC BU 5 SW3.3V SW3.3V PON-FL 1 8 ACC5V PANEL3.3V CD1.5VCD3.3V 22 FL+B 3 2 2 FL+B E-VOL IC161 A9V SYSTEM u-COM & USB HOST Q321,341 PHONE Q970 BU DET Q971 SW 3.3V Q951,952 IC501 AUDIO CD BU5V SW5 (REMO DRV) RESET IC IC702 ILLUMI+B CONNECTO

7、R RESET SW REMO FL IC701 IC301 IC602 CN901 ILLUMI+B EN601FL601 J321 MUTE Q780 IC1 Q701 VDD3.3V to GND S701 CN601 A9V ANT E2PROM BU3.3V F-AUX J602 PANEL DET IC901 CN701 SW3.3V IC771 TUNER ROTARY ENCODER KEY ILLUMI (FL FILAMENT) RESISTOR KEY MATRIX MOTOR DRIVER IC SUPPLY POWER DC-CN etc MUTE RCA AMP P

8、OWER RCA-OUT DET SURGE- DC-CN BU5V SERVO IC (OASIS) IC540 CD 3.3V CD 1.5V IC530-532 BU BU3.3V ATOMIC (OE REMOTE) EXT REMO MECHA CD CD3.3V to MECHA J1 BU3.3V to DC CONNECTOR PANEL3.3V CD BU3.3V BU5V LOAD SW3.3V IC931 BU3.3V SW 3.3VBU5V PANEL SW3.3 Q602 BU3.3V BU5V USB5V CP i-Pod IC80 SW3.3V SW HI-SID

9、E USB5V (DC/DC) IC981 IC961 USB5V USB CN CN603 ELECTRIC UNIT (X34- ) SWITCH UNIT (X16- ) RadioFans.CN 收音机爱 好者资料库 3 KDC-4551UB/455UW/4651URY KDC-U449/U5049 1. Panel ACCENTSEARCH RETURNVOL 2. How to enter each Test Mode Test Mode nameOperation Production Test ModePress and hold 1 key and 3 key and res

10、et. Service Test Mode In 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 ModePress and hold 3 key and 6 key and reset. Transition to Test Mode shall be availabl

11、e during DC Error detection. 3. How to release each Test Mode Reset Momentary voltage drop ACC OFF POWER OFF Panel Detach 4. Production Test Mode Default status immediately after the mode activation It shall be same as normal RST start in other than the below setting. Details Difference in action Pe

12、riod to prohibit TEL/LINE MUTE immediately after activation (normally 10 seconds) 1 second Mecha Initialize ActionProhibited Write-in to E2PROM when detecting a DC errorProhibited Demo Mode ON/OFF Setting MenuProhibited Power supply during ACC OFF (Back Up On)MUTE terminal turns OFF after 2 seconds

13、BEEP soundBeep with short-pressing in any functions Various setting value Volume30 (-10dB) BASS BOOST/LOUDOFF EQNATURAL Fader/BalanceCenter DEMO Mode SettingOFF AUX SettingON1 NAVI MUTE Setting for JapanDetecting function valid (ATT) TEST MODE RadioFans.CN 收音机爱 好者资料库 4 KDC-4551UB/455UW/4651URY KDC-U

14、449/U5049 Mode structure Some 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 sourceTest mode POWER OFF- StandbySTANDBY Test Mode TUNERTUNER Test Mode CDCD Test Mode USB- AUX- Mode content Syscon shall

15、 display the following information after entering this mode. The operation shown below shall be workable. Display contentDetails PROTEST The display is released when another operation is executed. The display will blink if sub clock is not functioning. STANDBY Test Mode Specifi cation OperationDispl

16、ay contentDetails 1 (Toggle) Syscom version display SYS0 Syscom version (Refer to Syscom Version Table) All lights ONAll lights ON (Switch to other display) 2 (Toggle) Serial No. display SN: 00000000 Serial No. display (8-digit) Display as it is in hex All lights ONAll lights ON (Switch to other dis

17、play) 3 (Toggle)All lights ON/OFFAll lights ON/OFF with toggle 4 (Toggle) Information display iPod verifi cation IC mount status display iPod: iPod: OK iPod: NG iPod: iPod verifi cation IC mount status display Blank: Verifying OK: Verifi cation IC mounted NG: Verifi cation IC not mounted : Non-iPod

18、support model All lights ONAll lights ON (Switch to other display) 5 (Toggle)Preout switch SWPREREAR SWPRESUBW Switch Preout with Toggle (1Preout/2Preout model only) 6 (Toggle)All lights ON/OFFAll lights ON/OFF with toggle SOURCE Transition Mode releaseReturn to Normal mode RETURNMode release Return

19、 to Normal mode Tuner Test Mode Specifi cation The following displays shall be indicated according to the TUNER status. StatusDisplay contentDetails TUNER IC Communication error TUNCONNG Communication to TUNER IC not available (indicated unless the mode is in Clock Display Mode). TEST MODE 5 KDC-455

20、1UB/455UW/4651URY KDC-U449/U5049 StatusDisplay contentDetails Adjustment not implemented ERR A97 . 9A For models that TUNER adjustment is necessary but not done (adjustment value: 0 x00 or 0 xFF), the following TUNER Test Mode functions are valid (“ERR” display is continuing). Display “ERR” blinks w

21、ith 250ms interval. RDS Specifi ed data reception RDSTEST Turn OFF P-CON forcibly if PS=RDS TEST is received. P-CON recovers with Power OFF/ON. ?Operations OperationDisplay contentDetails ACCENT TUNER IC display ATOMRDS Display TUNER IC version Display content is assigned by Tuner Development G. 4Pr

22、eset operation FM13A97 . 9ASwitch to either 98.3 (except for J type) BAND BAND switch operation FM13A97 . 9A Execute Band Switch as shown in the following table every time Band key is pressed in each type. SEARCH S meter voltage judgment display SMTRxx : OK SMTRxx : NG SMTRxx : S meter value xx: Cur

23、rent S meter value Determination result OK: Within S meter voltage spec NG: Out of S meter voltage spec : No LEVEL OFFSET adjustment DISP Shift to TUNER setting mode Transit to TUNER setting adjustment mode after switching to 98.3MHz Frequency: 98.3MHz, Modulation frequency: 1kHz, Modulation mode: M

24、ONO, Modulation: OFF, Deviation: 40kHz, ANT input level: 34dBV ?TUNER Setting Adjustment Mode 1. Operation (Operation after performance of above-mentioned “Shift to TUNER setting mode” item) OperationDisplay contentDetails BAND (Toggle) AUTO Adjustment Mode ASxxLxx Select TUNER adjustment method (A:

25、 AUTO) us- ing BAND key. S-xx: Current S meter value (Hex) L-xx: Level offset value (Hex) In case that the level offset value is not ad- justed (0 xFF or 0 x00), display “ ”. 2. Operations in AUTO Adjustment Mode OperationDisplay contentDetails VOL PUSHAdjustment start ASxxLxx Start Adjustment (Star

26、t Auto adjustment, and transit to Success/Failure display depending on the adjustment result) 3. Status display during adjustment StatusDisplay contentDetails Adjustment success ADJOK: xx When the adjustment value write-in to E2PROM (IC771 on X34) has been completed. xx: Level offset value (HEX) Adj

27、ustment failure ADJNG When the adjustment value write-in to E2PROM (IC771 on X34) has failed. TEST MODE 6 KDC-4551UB/455UW/4651URY KDC-U449/U5049 4. Operation of return to TUNER Test Mode OperationDisplay contentDetails RETURNMode releaseReturn to TUNER Test Mode. BAND switch list TypeBAND1BAND2BAND

28、3BAND4BAND5BAND6Details EqFM1FM2FM3wMW/LW-qwq M/CqFM1FM2FM3wMWeSW1rSW2qwerq CD Test Mode Specifi cation It shall be the same as normal RST start in other than the below setting. ContentDetails Playback track from topNo.9 Default for Display mode Play time ?Operations in CDDA playback OperationDispla

29、y contentDetails ?Special track up Pressed Track up depend on different cases. Case 1: Track23 No.9No.15No.10No.22No.12 No.13No.14No.9 Case 2: Track8 No.1No.2No.3Until Last Track Case 3: 8Track22 No.9No.15No.10Until Last Track ? Special track down One-by-one Track down by sequence follow Track No. 1

30、 (Toggle) HC1/2 Judge- ment Information Display CDHC1 CDHC2 CD HC1/2 Judgement Infomation. HC1: HC1 mecha (for this model) HC2: HC2 mecha : Impossible of Judgement Normal Display CD01 :1 : 23Normal Display 3 Special jump operation Jump to No.28 (Scratch 0.7mm for MUSIC line vibration test) 4 Special

31、 jump operation Jump to No.14 (Damaged disc TCD-731RA Tr14) 5 Special jump operation Jump to No.15 Set Volume value at 26 (for error operation FCT check of 20Hz 0dB DC protection) 6 Special jump operation Jump to No.9 if the other than track No.9 is playing. Jump to No.22 if the track No.9 is playin

32、g. 5. Service Test Mode Default status immediately after the mode activation It shall be same as the normal activation. Mode structure Service Test Mode is enabled only STANDBY source. TEST MODE 7 KDC-4551UB/455UW/4651URY KDC-U449/U5049 Mode content Syscon shall display the following information aft

33、er entering this mode. The operation shown below shall be workable. Display contentDetails SRVTESTThe display is released when another operation is executed. Common operation mode for only STANDBY sources OperationDisplay contentDetails 1 Development name status display 1011WE200Development name Ver

34、sion (Micom) 3 Power ON duration display PONTM0Hxx 0050 are displayed in “xx”. For less than 1 hour, the display is indicated per 10 minutes. PONTMxxxxx 0000110922 are displayed in “xxxxx”. MAX 10922 (hours) 4 Disc action duration display CDTM0Hxx 050 are displayed in “xx”. For less than 1 hour, the

35、 display is indicated per 10 minutes. CDTMxxxxx 0000110922 are displayed in “xxxxx”. MAX 10922 (hours) 5 Disc Eject number of times display EJCNTxxxxx Display Disc Eject number of times. MAX 65535 (times) 5 Disc Eject number of times clear Clear Disc Eject number of times by pressing for 2 seconds w

36、hen it is displayed. ? Forced Power OFF information display POFFNo forced Power OFF POFFPNL Forced Power OFF due to Syscon-Panel communica- tion error. ? Forced Power OFF info clear Clear forced Power OFF information by pressing for 2 seconds when it is displayed. CD Error Information Display Mode O

37、perationDisplay contentDetails DISP CD error information display mode Transit to CD error information display mode. Move between BAND (Forward search) items with ?/? CD Mech error log display MECHAER# : xx Mech error history 1,2,3 (latest) #: History No. (1,2,3) xx: numbers of errors, “-” when there

38、 is none CD Load error info display LOADER# : xx Load error switch 1,2 #: Switch No. (1,2) xx: numbers of errors, “-” when there is none CD Eject error info display EJECTER# : xx Eject error switch 1,2,3,4 #: Switch No. (1,2,3,4) xx: numbers of errors, “-” when there is none CD time code error count

39、 information display (count skip) CNTLOSE CD time code error count information (count skip) mode display CDDA: xx CD-DA error count numbers xx: numbers of errors and “-” when there is none CDROM: xx CD-ROM (compressed fi le) error count numbers xx: numbers of errors and “-” when there is none TEST M

40、ODE 8 KDC-4551UB/455UW/4651URY KDC-U449/U5049 OperationDisplay contentDetails Move between BAND (Forward search) items with ?/? CD time code error count information display (no count update) CNTSTAY CD time code error count information (count not up- dated) mode display CDDA: xx CD-DA error count nu

41、mbers xx: numbers of errors and “-” when there is none CDROM: xx CD-ROM (compressed fi le) error count numbers xx: numbers of errors and “-” when there is none DISP CD error information clear CD error information all clear DISPMode releaseCD error information display mode release 6. DC Error Informa

42、tion Mode Default status immediately after the mode activation It shall be same as normal activation. Mode structure DC Error Info Mode is enabled regardless of current source. Mode content Syscon shall display the following information after entering this mode. The operation shown below shall be wo

43、rkable. Display contentDetails DCERR When DC error is detected (in case that one of capacitor leakage, wrong connection or other detection is found) DCOK When DC error is not detected (in case that none of capacitor leakage, wrong connec- tion or other detection is not found) Mode operation specifi

44、cation OperationDisplay contentDetails 1DC ERR1 display DC1ERR When wrong connection & DC error in other detection duration is detected DC1OK When wrong connection & DC error in other detection duration is not detected 1DC ERR1 clear DC1OK Clear detection information when wrong connection & DC error

45、 in other detection duration is displayed. (Clear data fl ash) 2DC ERR2 display DC24 Display detecting number of times in capacitor leakage detection duration (04) 2DC ERR2 clear DC20 Clear number of times for detection information in ca- pacitor leakage detection duration. (Clear data fl ash) 7. FM

46、/AM Channel space switching (Except models for destination “E”) ProcedureNote While Power OFF, pressing and holding 1 key and 5 key, and press SRC key to Power ON. FM200kHz/AM10kHz FM50kHz/AM9kHz TEST MODE 9 KDC-4551UB/455UW/4651URY KDC-U449/U5049 Refer to the schematic diagram for the values of res

47、istors and capacitors. CN101 CN102 SW4 SW3 SW2SW1 R1 SL1 15 1 B1 SL2 26 SP- SP+ FE- WHT LO- LO+ WHT YEL RED BLK YEL FE+ ORG ORG REST MGND 1 CD PLAYER UNIT X32-6430-00 A/2 (LVB11003-001A) X32 B/2 PC BOARD (FOIL SIDE VIEW) EDCBA 1 2 3 4 5 6 7 10 KDC-4551UB/455UW/4651URY KDC-U449/U5049 PC BOARD (FOIL S

48、IDE VIEW) Q321 Q251 D251 D321 D2 D1 Q341 D341 IC1 IC580 D102 D112 D540 D113 IC540 IC501 Q540 IC80 D110 D502 D503 D100 D101 Q782 Q971 Q970 Q951 Q780 Q781 IC771 IC93 IC531 IC532 IC530 D781 D780 D782 D301 D970 D971 D132 D783 IC161 C253 R347 R349 R461 R257 R343 L10 R9 R10 C2 C6 R2 C1 C29 C27 R3 C12 C11

49、R6 R7 R324 R310R400 C317 R1 R333 R168 C168 R477 R320 R373 R342 C341 R341 R332 R351 R321 C321 R255 R253 R252 R251 C26 C28 R323 C17 R4 C18 R11 C16 C19 C22 R5 R8 R165 R163 R161 R167R162 C308 C307 C319 C318 L161 C166 R334 C170 C171 R340 R322 C254 R258 R330 R331 R353 R254 R256 C331 R352 R350 TH301 R303 R304 C313 C316 C169 C351 R305 R780 C314 R781C311 C312 R307 R357 R358 C315 C305 R783C178 C306 R481 R974 R971 R970 R451 R306 R446 R444 R443 R422 R972 R976 R401 R491 R447 R302 C540 C541 R574 C5