Kenwood-KDCW-3044-A-Service-Manual(2) 电路图 维修手册.pdf

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1、This product uses Lead Free solder. This product complies with the RoHS directive for the European market. SERVICE MANUAL 2008-9 PRINTED IN JA PAN B53-0678-00 (N) 181 KDC-W3044A/W3044AY KDC-W3044G/W3044GY KDC-W313A/W313AY KDC-W313G/W313GY KDC-W3544W/W3544WY CD RECEIVER TDF SPARE-PANEL MAIN UNIT NAME

2、TDF PARTS No.TDF NAME KDC-W3044AY33-2982-71TDF-W3044A KDC-W3044AYY33-2982-71TDF-W3044A KDC-W3044GY33-2982-72TDF-W3044G KDC-W3044GYY33-2982-72TDF-W3044G KDC-W313AY33-2982-73TDF-W313A Panel assy KDC-W3544xx (A64-4656-02) KDC-W313AYY33-2982-73TDF-W313A KDC-W313GY33-2982-74TDF-W313G Panel assy KDC-W3044

3、xx (A64-4657-02) Panel assy KDC-W313xx (A64-4658-02) KDC-W313GYY33-2982-74TDF-W313G KDC-W3544WY33-2982-70TDF-W3544W DC cord (E30-6800-05) Lever (D10-7049-04) x2 Escutcheon (B07-3270-01) Mounting hardware assy (J22-0789-03) Carrying case (W01-1710-05) KDC-W3544WYY33-2982-70TDF-W3544W KDC-W3544 KDC-W3

4、044KDC-W313 RadioFans.CN 收音机爱 好者资料库 2 KDC-W3044A/W3044AY/W3044G/W3044GY/W313A KDC-W313AY/W313G/W313GY/W3544W/W3544WY BLOCK DIAGRAM 2 16 1 BU DET PHONE ACC DET RST 9 5 SW5 9 BU DET 11 2 MUTE 8 R11-15 12 3 SW5 to GND 3 3 1 ROM CORRECTION (NOT USED) 1 1 111 R61,62 R118 1 FL+B PS1-1 / PS1-2 / PS1-3 ACC

5、DET / BU DET PS2-1 / PS2-2 P.ON FL PHONE REAR/SW FRONT PS1 1 / PS1 2 / PS1 3 PS2 1 / PS2 2 P-ANT P-CON SP-OUT PHONE ACC B.U. RST 5 FRONT L/R REAR L/R P STBY LX-BUS E-VOL IC2 A8V SYSTEM u-COM BU Q701-704 PHONE ACC-DET Q101 Q103 BU-DET Q102 SW14V Q11,12 Q2,3 A8V SERVO+B D5 BU5 SW5 BU PAN5V RESET IC IC

6、8 ILLUMI+B CN RESET REMOTE FL IC1 IC6 IC2 J1 ILLUMI+B AM+B S1 ED1 CN4,J5 MUTE Q705 J4 J2 A1 SERVO+B BU5 Q301 BU5 BU5 DME1 BU5 SW5 S2 J1 SW5 AM+B A8V ANT. IC7 SW5 E2PROMSW5 BU5 BU5 SW5 FRONT J2 PANEL DET IC1 BU5 SW5 FL+B IC4 FL+B J3 BU5 IC10 Q7-10 RDS DECODER FRONT-END TUNER CD MECHA ROTARY ENCODERDR

7、IVER FL KEY ILLUMI Rx5 1/2W KEY MATRIX 1/4W Rx2 ILLUMI +B CD SERVO IC SUPPLY POWER DC-CN etc MUTE PRE-OUT IC POWER PRE-OUT DET SURGE DC-CN AUX D3-17 S3-20 ELECTRIC UNIT (X34- ) SWITCH UNIT (X16- ) DPU1 CD PLAYER UNIT (X32-6240-00) BOARD MOTHER (X34- ) EF A C B TR COIL FO COIL APC IC4 16.934MHz CLOCK

8、 IC3 LOADING ERR (System -com ROM correction error) R In the case when correction data is not yet written: R- (System -com ROM correction data is not yet written) R In the case when the correction data is incompatible (Version of data is incompatible) R* (System -com ROM correction data is incompati

9、ble) AM Fluorescent indicator short check Turns off all the lights Turns on odd and even terminals alternatively every 125ms (terminals that have a maximum number of grids) Turns on only the odd terminals Turn on only the even terminals Audio data initialization AUDINITAUDIO setting value is re-set

10、to the test mode default value. Forced Power OFF information display POFFNo forced power OFF POFFPNL Forced power OFF by communication error between system -com and panel. While the forced power OFF data is displayed, press and hold for 2 seconds to clear the data. DISP CD information display mode O

11、N/OFF For the display contents, refer to “CD information display mode” in the next section. DISP While in CD information display mode, press and hold for 2 seconds or longer to clear all CD information. TEST MODE 10 KDC-W3044A/W3044AY/W3044G/W3044GY/W313A KDC-W313AY/W313G/W313GY/W3544W/W3544WY CD in

12、formation display mode KeyDescription of displayDescription / CD mecha- nism error log display MCERR1 : XX Mechanism error log 1 (Latest) XX: Error number. “ ” is displayed in case there is no error. MCERR2 : XX Mechanism error log 2 (Latest) XX: Error number. “ ” is displayed in case there is no er

13、ror. MCERR3 : XX Mechanism error log 3 (Latest) XX: Error number. “ ” is displayed in case there is no error. / CD Load error information display LDERR1 : XX Load error switch 1 XX: Number of errors. “ ” is displayed in case there is no error. LDERR2 : XX Load error switch 2 XX: Number of errors. “

14、” is displayed in case there is no error. / CD Ejection error information display EJERR1 : XX Ejection error switch 1 XX: Number of errors. “ ” is displayed in case there is no error. EJERR2 : XX Ejection error switch 2 XX: Number of errors. “ ” is displayed in case there is no error. EJERR3 : XX Ej

15、ection error switch 3 XX: Number of errors. “ ” is displayed in case there is no error. EJERR4 : XX Ejection error switch 4 XX: Number of errors. “ ” is displayed in case there is no error. / CD time code error count data display (Missing counts) CNTLOSECD time code error count data (Missing counts)

16、 mode display. CDDA: XX Number of CD-DA count errors XX: Number of errors. “ ” is displayed in case there is no error. / CD time code error count data display (count not updated) CNTSTAYCD time code error count data (count not updated) mode display. CDDA: XX Number of CD-DA count errors XX: Number o

17、f errors. “ ” is displayed in case there is no error. Test mode specifi cations in TUNER source Error is found in front-end (A1), etc. if indications below is displayed while in tuner source. StatusDisplayDescription Front-end (A1) E2PROM data error TNE2PNG Front-end (A1) E2PROM is still the default

18、 (unspecifi ed) value. Front-end (A1) communication error TNCONNGCommunication with front-end (A1) is not possible. Destination mismatch TNTYPNG When destination is mismatch between front-end E2PROM and the product. TUNER preset operation KeyDescription of displayDescription 4Preset function FM198 .

19、 3A4Change to 98.3MHz with the preset key 4. TEST MODE 11 KDC-W3044A/W3044AY/W3044G/W3044GY/W313A KDC-W313AY/W313G/W313GY/W3544W/W3544WY K3I forced switching Every time when 6 key is pressed in tuner FM source, switched in the following order: AUTO Forced WIDE Forced MIDDLE Forced NARROW AUTO. Defau

20、lt status is AUTO, and displayed as shown below. KeyDescription of displayDescription 6K3I Forced switching FM198 . 1AAUTO FM198 . 1WForced WIDE FM198 . 1MForced MIDDLE FM198 . 1NForced NARROW RDS automatic measurement Add this measurement instead of the visual inspection of PS display that has been

21、 used in the production line. StatusDisplayDescription PS data reception RDSTEST When the display is what is shown in the left column, forcibly turn off. P-CON returns when the power is turned off/on (POWER OFF/ON). FST adjustment mode Perform FST soft-mute adjustment. KeyNote DISP To enter into FST

22、 adjustment mode (Press and hold the key for 1 second) In FM, the frequency changes to 98.3MHz Operations in the FST adjustment mode are as follows: KeyDescription of displayDescription FM (UP) AM (DOWN) /Soft mute adjustment SMD-F0 7 Seek Stop Level adjustment (Auto) ATNV0.00(V) 5.00 (V) Normal (Lo

23、cal OFF) Seek Stop Level adjustment (Auto) ATLV0.00(V) 5.00 (V) Normal (Local ON) / Seek Stop Level adjustment (Manual) MNNV0.00(V) 5.00 (V) Normal (Local OFF) / Seek Stop Level adjustment (Manual) MNLV0.00(V) 5.00 (V) Normal (Local ON) AUD Adjustment value memory EPWRITE The display in the left col

24、umn is shown when the data has been written in E2PROM by pressing and holding the key for 2 seconds. AUDMode clear FM198 . 3A4 To clear FST adjustment (The display returns to the normal display but the test mode is retained) In the band where the local seek can be turned on or off (Local Seek ON/OFF

25、), it is possible to turn on or off the local seek by pressing the DISP key briefl y. After completing the FST adjustment, if You wish to clear the test mode, You can do this using the reset button. TEST MODE 12 KDC-W3044A/W3044AY/W3044G/W3044GY/W313A KDC-W313AY/W313G/W313GY/W3544W/W3544WY Test mode

26、 specifi cations in CD source Display mode default: P-Time Procedure in CD-DA media (KTD-02A) KeyDescription of displayDescription Track up procedure Every time pressed, jumps to the track shown below. No.9 No.15 No.10 No.11 No.12 No.13 No.22 No.14 No.9 (recursive) But in case the disc has 8 tracks

27、or less, playback starts with track No.1. (For both CD-DA and compressed fi le discs) Track down procedureGoes down by 1 track from the currently played track. 1Jump procedure Jump to No. 28 (Scratch 0.7mm for MUSIC line vibration testing) 2Jump procedureJump to No. 14 (Blurring surface disc TCD-731

28、RA Tr14) 3 Information display Name of mechanism type Mechanism version 9B10 : Display of name of mechanism type (Press the key while the display is what is shown in the left column to return to the normal display.) 5Jump procedure Jump to No.9 and No.22 (Preset 5 Track 22 in other track than Track

29、22, and Preset 5 Track 9 in Track 22) (For linearity check) 6Jump procedure Jump to No. 15. Set the volume value to “25”. (For 20Hz 0dB DC protection false-operation FCT checking) Audio-related test mode ProcedureNote Press the AUD key (main unit) Press the AUD and keys (Remote control) Enter audio

30、adjustment mode (the initial item should be Fader, and then, Balance Bass Level Middle Level Treble Level SW Level System Q V-Offset LPF Sub Woofer About audio adjustment items (include both Audio Function Mode and Audio Setup Mode) ProcedureItemProcedureDescription For item forwarding procedure, pr

31、ess AUD key and FM key FaderVOL knob and / keyAdjust to 3 steps of R15 0 F15. (Default value: 0) BalanceVOL knob and / keyAdjust to 3 steps of L15 0 R15. (Default value: 0) Bass LevelVOL knob and / keyAdjust to 3 steps of -8 0 +8. (Default value 0) Middle LevelVOL knob and / keyAdjust to 3 steps of

32、-8 0 +8. (Default value 0) Treble LevelVOL knob and / keyAdjust to 3 steps of -8 0 +8. (Default value 0) LPF Sub wooferVOL knob and / key Adjust to 2 steps of 80Hz Through. (Default value: Through) (Only in models with Sub Woofer output) Volume OffsetVOL knob and / key Adjust to 3 steps of -8 0 +8 (

33、Default value: 0 and only in the internal AUX model) ProcedureNote Press and hold MENU keySwitch Bass Boost (Note: Front key functions as MENU.) ATT key operation ProcedureNote In the TUNER source, press DISP keyATT OFF/ON TEST MODE 13 KDC-W3044A/W3044AY/W3044G/W3044GY/W313A KDC-W313AY/W313G/W313GY/

34、W3544W/W3544WY MENU-related test mode ProcedureNote Press the MENU key (main unit) Press the DNPP/SBF and DIRECT keys (Remote control) Continuous forwarding by remote control is prohibited Backup current measurement ProcedureNote While ACC OFF (Back Up ON), Reset MUTE terminal is OFF after 2 seconds

35、, not after 15 seconds. (During this time, the CD mechanism does not function.) PREOUT switching ProcedureNote In the STANDBY source, press and hold AUD key for 1 second or longer Switches PREOUT Fluorescent indicator (ED1) short check ProcedureNote In the STANDBY source, press AM key All lights are

36、 off Turns on odd and even terminals alternatively every 125ms (terminals that have a maximum number of grids) Turns on only the odd terminals Turn on only the even terminals Clearing CD mechanism information / Service information / DC offset error information (Clearing E2PROM data) StatusDisplayDes

37、cription While pressing and holding 2 key and 5 key, reset-start. CLROAt normal termination CLRXAt abnormal termination While “ ” is displayed, power can be ON for 30 minutes. This mode is cancelled by resetting. (The last screen will not be retained.) Data to be cleared is shown below. CD mechanism

38、 information CD mechanism error log display Displays CD loading error data Displays CD EJECT error data Displays CD time code count error data (missing count) Displays CD time code count error data (count not updated) Service Information Power ON time display CD operation time display CD EJECT times

39、 display PANEL open/close times display Forced Power OFF information display DC offset error information DC offset error 1 display (Provides information on whether there is an improper connection or another error) DC offset error 2 display (Provides information on the number of capacitor leaks) TEST

40、 MODE 14 KDC-W3044A/W3044AY/W3044G/W3044GY/W313A KDC-W313AY/W313G/W313GY/W3544W/W3544WY Clearing DC offset error detection data (E2PROM data clearing) ProcedureNote While pressing and holding 3 key and 6 key, reset-start.Entering DC offset error display mode. ProcedureDisplayDescription Press and ho

41、ld the 3 and 6 keys, and reset-start DCERR When DC offset error is detected (when either one of capacitors is leaking, or an improper connection or another error is detected) DCOK When DC offset error is not detected (when none of capacitors leak, no improper connection or other error is detected) 1

42、 DC1ERRWhen improper connection or other DC offset errors are detected. DC1OKWhen improper connection or other DC offset errors are not detected. 1DC 1OK When detecting improper connection or other DC offset errors, clears detection data. (Clear E2PROM) 2 DC24 When detecting capacitor leak, provides

43、 information on the number of capacitor leaks. (04) 2DC 20 When detecting capacitor leak, clears the number of capacitor leaks. (Clear E2PROM) This mode is cancelled by resetting. (The last screen will not be retained.) Security (KDC-W3544W only) Forced Power ON mode ProcedureNote While pressing and

44、 holding MENU key and 4 key, reset-start. While “ ” is displayed, power can be turned ON for only 30 minutes. After 30 minutes, can only be recovered by resetting. Method of clearing the security code ProcedureDisplayDescription Press key for 3 seconds or longer while pressing DISP key CODE : Carry

45、out the procedure while “ ” is being displayed. CODE :“ ” disappears. Press the remote control 5 key 2 times, display “K”, and press key. CODE : K Press the remote control 2 key 3 times, display “C”, and press key. CODE : KC Press the remote control 2 key 1 time, display “A”, and press key. CODE : K

46、CA Press the remote control 7 key 2 times, display “R”, and press key. CODE : KCAR APPROVED Security cancelled. (If wrong character is input, code request mode is displayed.) TEST MODE 15 KDC-W3044A/W3044AY/W3044G/W3044GY/W313A KDC-W313AY/W313G/W313GY/W3544W/W3544WY ROM data transfer ProcedureDispla

47、yDescription While pressing and holding 1 key and 3 keys, reset-start :All lights ON. Press MENU key (MENU) ROMREADMENU mode Press key or key ROMREADFront-end (A1) Mother unit (X34-). Data transfer processing. ROMWRTMother unit (X34-) Front-end (A1). Data transfer processing. (In the above ROM READ

48、status), 4 key for 2 seconds or longer READFront-end (A1) Mother unit (X34-). ROM data is being transferred. READOK Front-end (A1) Mother unit (X34-). ROM correction transfer, security and other data is OK. READOK2 Front-end (A1) Mother unit (X34-). Transfer of security and other data is OK. READNGF

49、ront-end (A1) Mother unit (X34-). ROM data transfer is NG. (In the above ROM WRT status), 4 key for 2 seconds or longer WRTMother unit (X34-) Front-end (A1). ROM data is being transferred. WRTOK Mother unit (X34-) Front-end (A1). ROM correction, security and other data transfer is OK. WRTOK1 Mother unit (X34-) Front-end (A1). ROM correction data transfer is OK. WRTOK2 Mother unit (X34-) Front-end (A1). Transfer of security and other data is OK.