Kenwood-KDC-4051-URM-Service-Manual(2) 电路图 维修手册.pdf

《Kenwood-KDC-4051-URM-Service-Manual(2) 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Kenwood-KDC-4051-URM-Service-Manual(2) 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-208U/248U/4051UGM/4051URM KDC-MP148U/MP248U/U3049 KDC-U349A/U349G/U349R/U349S KDC-U4049 CD RECEIVER 2010-12 PRINTED IN JA PAN B53-0833-00 (N) 217 TDF SPARE-PANEL MAIN UNIT NA

2、METDF PARTS No.TDF NAME KDC-208UY33-3390-11TDF-120D KDC-248UY33-3380-10TDF-128D KDC-4051UGMY33-3400-26TDF-4051UGM KDC-4051URM KDC-MP148UY33-3390-10TDF-MP11DU KDC-MP248UY33-3380-11TDF-MP12DU KDC-U3049Y33-3400-20TDF-U3049 KDC-U349AY33-3400-24TDF-U349A KDC-U349GY33-3400-23TDF-U349G KDC-U349RY33-3400-21

3、TDF-U349R KDC-U349SY33-3400-22TDF-U349S KDC-MP248U : Panel assy (GE20277-017A) KDC-248U : Panel assy (GE20280-020A) KDC-U349A/G/R : Panel assy (GE20277-019A) KDC-U349S : Panel assy (GE20277-006A) Y33-3400-25TDF-4051URM KDC-U4049Y33-3403-01TDF-U4049 KDC-U4049 : Panel assy (GE20280-019A) After replaci

4、ng E2PROM (IC771 on X34), tuner setting adjustment 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 (GE4

5、0510-001A) x2 * Car cable (E30-xxxx-xx) * 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-4051UxM : Panel assy (GE20280-012A) KDC-

6、MP148U : Panel assy (GE20280-002A) KDC-U349 KDC-MP248U KDC-MP148U KDC-248U KDC-U4049 * Depends on the model. Refer to the parts list. KDC-4051UM RadioFans.CN 收音机爱 好者资料库 2 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 BLOCK DIAGRAM 1 BU DET PHONE RESET 9 5 9 BU D

7、ET 1 2 MUTE R902,903 12 2 1 1 111 R631,632 D891 2 FL+B PS1-1 / PS1-2 / PS1-3 ACC5V / BU-DET PS2-1 / PS2-2 PHONE 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 Q321,3

8、41 PHONE Q970 BU DET Q971 SW 3.3V Q951,952 IC501 AUDIO CD BU5V SW5 (REMO DRV) RESET IC IC702 ILLUMI+B CONNECTOR 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 ROT

9、ARY ENCODER KEY ILLUMI (FL FILAMENT) RESISTOR KEY MATRIX LOAD RESISTOR MOTOR DRIVER IC SUPPLY POWER DC-CN etc MUTE RCA AMP POWER 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 PAN

10、EL3.3V 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-SIDE 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-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U

11、349G/U349R/U349S/U4049 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 reset. Service Test Mode In the STANDBY source, while pressing and holding 2 key, press 6 key for 7 seconds. (Starting to press 2 key a

12、nd 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 available during DC Error detection. 3. How to release each Test Mode Reset Momentary voltage drop ACC OFF POWER OFF Panel Detach 4. Product

13、ion Test Mode Default status immediately after the mode activation It shall be same as normal RST start in other settings than the following. Details Difference in action Period to prohibit TEL/LINE MUTE immediately after activation (normally 10 seconds) 1 second Mecha Initialize ActionProhibited Wr

14、ite-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 BEEP soundBeep with short-pressing in any functions Various setting value Volume30 (-10dB) BASS BOOST/LOUDOFF EQNATURAL Fader/B

15、alanceCenter 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-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 Mode structure Some Test Modes change according to the current source. Th

16、e following table shows the current source in Set and the related test mode status. Model sourceTest mode POWER OFF- StandbySTANDBY Test Mode TUNERTUNER Test Mode CDCD Test Mode USB- AUX- Mode content Syscon shall display the following information after entering this mode. The operation shown below

17、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 OperationDisplay contentDetails 1 (Toggle) Syscom version display SYS0 Syscom version (Refer to Sysco

18、m Version Table) All lights ONAll lights ON (Switch with other display) 2 (Toggle) Serial No. display SN00000000 Serial No. display (8-digit) Display as it is in hex All lights ONAll lights ON (Switch with other display) 3 (Toggle)All lights ON/OFFAll lights ON/OFF with toggle 4 (Toggle) Information

19、 display iPod verifi cation IC mount sta- tus 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 support model All lights ONAll lights ON (Switch to other display) 5 (Toggle)Preout

20、 switch SWPREREAR SWPRESUBW Switch Preout with toggle 6FL display short check All lights ON All lights OFF odd terminal and even terminal of the largest grid ON alternatively every 125ms odd terminal ON even terminal ON (repeat continuously) SOURCE transition Mode releaseReturn to Normal mode RETURN

21、Mode release Return to Normal mode Tuner Test Mode Specifi cation The following display shall be indicated according to the TUNER status. StatusDisplay contentDetails TUNER IC Normal Error TUNCONNG Communication to TUNER IC not available (indicated unless the mode is in Clock Display Mode). TEST MOD

22、E 5 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 StatusDisplay contentDetails Adjustment not imple- mented 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 va

23、lid (“ERR” display is continuing). Display “ERR” blinks with 250ms interval. RDS Specifi ed data re- ception RDSTEST Turn OFF P-CON forcibly if PS=RDS TEST is received. P-CON recovers with Power OFF/ON. ?Operations OperationDisplay contentDetails ACCENTTUNER IC display ATOMRDSDisplay TUNER IC versio

24、n 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: Current S meter value Determination result OK: Within S meter voltage

25、spec NG: Out of S meter voltage spec : No LEVEL OFFSET adjustment DISP Shift to TUNER setting mode Shift to TUNER setting mode after switching to 98.3MHz SG setting values Frequency: 98.3MHz, Modulation frequency: 1kHz, Modulation mode: MONO, Modulation: OFF, Deviation: 40kHz, ANT input level: 34dBV

26、 ?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 (AUTO) using BAND key. S-xx: Current S meter value (Hex) L-xx: Le

27、vel offset value (Hex) In case that the level offset value is not adjusted (0 xFF or 0 x00), display “ ”. 2. Operation in AUTO Adjustment Mode OperationDisplay contentDetails VOL PUSHAdjustment start ASxxLxx Start adjustment (Start Auto adjustment, and transit to Suc- cess/Failure display depending

28、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) Adjustment failure ADJNG When the adjustment value write-in to E2PROM (

29、IC771 on X34) has failed 4. Operation of return to TUNER Test Mode OperationDisplay contentDetails RETURNMode releaseReturn to TUNER Test Mode. TEST MODE 6 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 BAND switch list TypeBAND1BAND2BAND3BAND4BAND5BAND6Details K

30、qFM1FM2FM3wAM-qwq M (LW)qFM1FM2FM3wMW/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 OperationDisplay

31、 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

32、(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 T011 : 23Normal Display 3 Special jump operation Jump to No.28 (Scratch 0.7mm for MUSIC line vibration test) 4 Special jum

33、p 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 playing. 5

34、. 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. Mode content Syscon shall display the following information after entering this mode. The operation shown below shall b

35、e workable. Display contentDetails SRVTESTThe display is released when another operation is executed. TEST MODE 7 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 Common operation mode for only STANDBY sources OperationDisplay contentDetails 1 Development name stat

36、us display 1003WE2200Development name Version (Micom) 3 Power ON duration display PONTM0Hxx 0050 are displayed in “xx”. For less than 1 hour, the display is indicated per 10 min- utes. PONTMxxxxx 0000110922 are displayed in “xxxxx”. MAX 10922 (hours) 4 Disc action duration display CDTM0Hxx 050 are d

37、isplayed in “xx”. For less than 1 hour, the display is indicated per 10 min- utes. 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 Ejec

38、t number of times by pressing for 2 seconds when it is displayed. ? Forced Power OFF information display POFFNo forced Power OFF POFFPNL Forced Power OFF due to Syscon-Panel communication error. ? Forced Power OFF info clear Clear forced Power OFF information by pressing for 2 sec- onds when it is d

39、isplayed. CD Error Information Display Mode OperationDisplay 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.

40、(1,2,3) xx: numbers of errors, “-” when there 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, “-

41、” when there is none CD time code error count 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: number

42、s of errors and “-” when there is none CD time code error count information display (no count update) CNTSTAY CD time code error count information (count not updated) 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)

43、error count numbers xx: numbers of errors and “-” when there is none TEST MODE 8 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 OperationDisplay contentDetails DISP CD error information clear CD error information all clear DISPMode releaseCD error information dis

44、play mode release 6. DC Error Information 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.

45、The operation shown below shall be workable. 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 connection or other detection is

46、 not found) Mode operation specifi cation OperationDisplay contentDetails 1DC ERR1display DC1ERR When wrong connection & DC error in other detection dura- tion is detected DC1OK When wrong connection & DC error in other detection dura- tion is not detected 1DC ERR1 clear DC1OK Clear detection inform

47、ation when wrong connection & DC er- ror in other detection duration is displayed. (Clear data fl ash) 2DC ERR2 display DC24 Display detecting number of times in capacitor leakage de- tection duration (04) 2DC ERR2 clear DC20 Clear number of times for detection information in capacitor leakage detec

48、tion duration. (Clear data fl ash) 7. FM/AM channel space switching 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-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 Refe

49、r to the schematic diagram for the values of resistors 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-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 PC BOARD (FOIL SIDE VIEW) Q321 Q251 D251 D321 D2 D1 Q341 D341 IC1 IC580 D102 D112 D540 D113 IC540 IC501