Kenwood KDC-208U Service Manual
Cd receiver
Hide thumbs
Also See for KDC-208U:
- Instruction manual (43 pages) ,
- Installation manual (2 pages) ,
- Brochure & specs (12 pages)
Table of Contents
Advertisement
CD RECEIVER
KDC-208U/248U/4051UGM/4051URM
KDC-MP148U/MP248U/U3049
KDC-U349A/U349G/U349R/U349S
KDC-U4049
SERVICE MANUAL
Tuner setting adjustment after replacing E2PROM
After replacing 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".
KDC-248U : Panel assy (GE20280-020A)
KDC-MP148U : Panel assy (GE20280-002A)
KDC-U349A/G/R : Panel assy (GE20277-019A)
KDC-U349S :
Panel assy (GE20277-006A)
KDC-U4049 : Panel assy (GE20280-019A)
Mounting sleeve assy
* Car cable
(GE34134-001A)
(E30-xxxx-xx)
* Tap screw (2x8)
* Screw set
(N80-2008-43)
(N99-1757-15)
* Depends on the model. Refer to the parts list.
KDC-4051UxM : Panel assy (GE20280-012A)
KDC-248U
KDC-MP248U : Panel assy (GE20277-017A)
KDC-MP148U
TDF SPARE-PANEL
MAIN UNIT NAME
KDC-208U
KDC-U349
KDC-248U
KDC-4051UGM
KDC-4051URM
KDC-MP148U
KDC-MP248U
KDC-U3049
KDC-U349A
KDC-U4049
KDC-U349G
KDC-U349R
KDC-U349S
KDC-U4049
* Car cable
(E30-6937-05)
Hook
(GE40510-001A) x2
This product complies with the
© 2010-12 PRINTED IN JA PAN
B53-0833-00 ( N ) 217
TDF PARTS No.
Y33-3390-11
Y33-3380-10
Y33-3400-26
Y33-3400-25
Y33-3390-10
Y33-3380-11
Y33-3400-20
Y33-3400-24
Y33-3400-23
Y33-3400-21
Y33-3400-22
Y33-3403-01
* Remote control unit (RC-405)
* Carrying case
(W01-1710-05)
(A70-2104-05)
* Hard case assy
(A02-2757-13)
This product uses Lead Free solder.
RoHS
directive for the European market.
KDC-4051UM
KDC-MP248U
TDF NAME
TDF-120D
TDF-128D
TDF-4051UGM
TDF-4051URM
TDF-MP11DU
TDF-MP12DU
TDF-U3049
TDF-U349A
TDF-U349G
TDF-U349R
TDF-U349S
TDF-U4049
Trim plate
(GE20274-001A)
Advertisement
Table of Contents
Related Manuals for Kenwood KDC-208U
Summary of Contents for Kenwood KDC-208U
- Page 1 CD RECEIVER KDC-208U/248U/4051UGM/4051URM KDC-MP148U/MP248U/U3049 KDC-U349A/U349G/U349R/U349S KDC-U4049 SERVICE MANUAL © 2010-12 PRINTED IN JA PAN B53-0833-00 ( N ) 217 Tuner setting adjustment after replacing E2PROM After replacing 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”...
- Page 2 ELECTRIC UNIT (X34- ) IC301 D891 SW3.3V PHONE PHONE TUNER POWER ATOMIC BU3.3V IC161 Q970 ∗ J321 ∗ BU DET BU DET Q321,341 CN901 MUTE E-VOL Q971 DC-CN RCA-OUT MUTE SURGE- PHONE IC771 BU5V ∗ SP-OUT Q780 E2PROM BU DET BU3.3V MUTE IC901...
-
Page 3: Test Mode
KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 TEST MODE 1. Panel SEARCH ACCENT RETURN 2. How to enter each Test Mode Test Mode name Operation Production Test Mode Press and hold [1] key and [3] key and reset. In the STANDBY source, while pressing and holding [2] key, press [6] key for 7 seconds. - Page 4 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 TEST MODE ● 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. Model source Test mode POWER OFF Standby STANDBY Test Mode...
- Page 5 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 TEST MODE Status Display content Details For models that TUNER adjustment is necessary but not done Adjustment not imple- (adjustment value: 0x00 or 0xFF), the following TUNER Test Mode 7 . 9 ∗ ∗ mented functions are valid (“∗ERR∗” display is continuing).
-
Page 6: Service Test Mode
KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 TEST MODE ● BAND switch list Type BAND1 BAND2 BAND3 BAND4 BAND5 BAND6 Details qFM1 q→w→q… M (LW) qFM1 wMW/LW q→w→q… qFM1 eSW1 rSW2 q→w→e→r→q… ● CD Test Mode Specifi cation It shall be the same as normal RST start in other than the below setting. - Page 7 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 TEST MODE ● Common operation mode for only STANDBY sources Operation Display content Details Development name Development name – Version (Micom) – status display 00~50 are displayed in “xx”. For less than 1 hour, the display is indicated per 10 min- Power ON duration utes.
-
Page 8: Dc Error Information Mode
KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 TEST MODE Operation Display content Details CD error information CD error information all clear ■DISP clear DISP Mode release CD error information display mode release 6. DC Error Information Mode ● Default status immediately after the mode activation It shall be same as normal activation. - Page 9 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-6430-00 A/2 (LVB11003-001A) CN102 X32 B/2 REST MGND Refer to the schematic diagram for the values of resistors and capacitors.
-
Page 10: Electric Unit
KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 PC BOARD (FOIL SIDE VIEW) R305 ELECTRIC UNIT C901 R780 X34-69xx-xx B309 C314 (GEB10301-201A) B310 D782 R781 C311 C312 IC301 ANTENNA PRE OUT B921 C368 J321 B920 R307 C351 B313 B919 C321 C309 C341 R351 R342 R332 R321... - Page 11 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 CN901 J120 C891 R894 R132 D704 C132 R882 B922 R122 C130 B907 C881 R131 B906 R121 B905 C910 C120 D123 C913 C131 X34-69xx-xx C906 Ref. No. Address C914 IC80 R907 IC161 R424 C904 IC301 R983 C988 IC931 R883...
-
Page 12: Switch Unit
KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-705x-xx (GEB10302-001A) X16-705x-xx (GEB10302-001A) D667 D673 CN603 D668 D680 D666 C683 D683 D684 C682 C681 R659 D685 D672 D677 D671 TL626 R671 D663 D676 D662 TL625... - Page 13 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 ELECTRIC UNIT (X34-69xx-xx) CD 3.3 IC530 DPU1 (X92-) VREF 3.3V OPTICAL PICKUP CTRL R501 CD 1.5 IC531 IC501 3.3V CTRL 1.6V 1.6V 1.6V 3.0V 1.6V 3.2V TRACKING TRK- COIL CD 1.5 IC532 TRK+ 2.2V FOCUS+ C511 C512 FOCUS...
- Page 14 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 ANT. A9V-1 4.7uH 100u16 C723 CD 3.3V 0.047 EPROM IC771 4.7V VDD5V 3.3V 3.3V VOUT WPIN R779 3.2V R778 ∗ FM/AM 1.3V 2.2V TUNER CD 1.5V 5.6V 5.1V R530 3.2V 2.2V 1.5V 3.1V VOUT ∗ IC80 iPod CP ∗...
- Page 15 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 R168 A9V-2 C172 3.3V USB5V 100u10 5.0V IC961 HI SIDE 3.2V DC-DC USB5V L983 D983 5.0V FL+B D982 TP21 L985 IC161 LINE MUTE L981 R493 C984 22uH 3.3V 5.1V IC981 3.3V 3.3V E-VOLUME R783 5.2V D981 L982 3.3V...
- Page 16 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 RCA MUTE LINE OUT ∗ ∗ R333 C330 R330 R332 10u50 ∗ R349 J321 D341 4.7K REAR L R347 Q341 4.7K R353 C350 MUTE REAR R 10u50 R350 R352 R323 C320 R320 R322 3.3V R783 10u50 FRONT L...
- Page 17 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 SWITCH UNIT (X16-705x-xx) CN603 FL DISPLAY C682 FL601 C681 D685 LF601 D686 2.5V CN601 CNDET 11.5V R631 PANDAT FL+B 1/2W USB5V 11.5V USBGND C616 D608 470P 2.8V 3.6V X34- 3.8V C615 3.2V D607 SYSDA CN701 470P 3.0V D606...
- Page 18 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 EXPLODED VIEW (CD MECHANISM) Grease : W01-1737-08 : W01-1738-08 : W01-2007-08 DPU1 (X32-) Parts with the exploded numbers larger than 700 are not supplied.
-
Page 19: Exploded View (Unit)
KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 EXPLODED VIEW (UNIT) DME1 : GE40377-002A : N86-2604-48 : N86-2606-48 : N80-2006-48 : N80-2008-48 : GE40377-005A : N82-2606-48 : QYSDSG3006ZA : N86-2608-48 : N86-2610-48 (X34) (X34) F901 (X16-) (X34-) Depends on the models. Refer to the parts list. -
Page 20: Parts List
INNER CARTON ✽ GE34226-001A INNER CARTON D655 B30-1794-05 D658,659 B30-1779-05 KK1K2 K: KDC-248U K1: KDC-MP248U K2: KDC-MP148U K3: KDC-208U Indicates safety critical com po nents. M: KDC-U3049 M1: KDC-U349R M2: KDC-U349S M3: KDC-U349G M4: KDC-U349A M5: KDC-4051URM M6: KDC-4051UGM C1: KDC-U4049... -
Page 21: Switch Unit (X16-705X-Xx)
CHIP R J 1/4W MM3M6 RK73GB2A131J CHIP R J 1/10W K: KDC-248U K1: KDC-MP248U K2: KDC-MP148U K3: KDC-208U Indicates safety critical com po nents. M: KDC-U3049 M1: KDC-U349R M2: KDC-U349S M3: KDC-U349G M4: KDC-U349A M5: KDC-4051URM M6: KDC-4051UGM C1: KDC-U4049... -
Page 22: Cd Player Unit (X32-6430-00) In Cd Mecha
C CAPACITOR C340 ✽ QEKJ1HM-106Z E CAPACITOR C881 QEKJ1CM-226Z E CAPACITOR K: KDC-248U K1: KDC-MP248U K2: KDC-MP148U K3: KDC-208U Indicates safety critical com po nents. M: KDC-U3049 M1: KDC-U349R M2: KDC-U349S M3: KDC-U349G M4: KDC-U349A M5: KDC-4051URM M6: KDC-4051UGM C1: KDC-U4049... -
Page 23: Electric Unit (X34-69Xx-Xx)
L901 QQR1882-001 CHOKE COIL R373 RK73GB2A000J CHIP R J 1/10W K: KDC-248U K1: KDC-MP248U K2: KDC-MP148U K3: KDC-208U Indicates safety critical com po nents. M: KDC-U3049 M1: KDC-U349R M2: KDC-U349S M3: KDC-U349G M4: KDC-U349A M5: KDC-4051URM M6: KDC-4051UGM C1: KDC-U4049... - Page 24 CHIP R 4.7K J 1/4W R775,776 RK73GB2A153J CHIP R J 1/10W K: KDC-248U K1: KDC-MP248U K2: KDC-MP148U K3: KDC-208U Indicates safety critical com po nents. M: KDC-U3049 M1: KDC-U349R M2: KDC-U349S M3: KDC-U349G M4: KDC-U349A M5: KDC-4051URM M6: KDC-4051UGM C1: KDC-U4049...
- Page 25 D112 DZ2J068/M/-X ZENER DIODE LV11688-501A LOADING BASE LV11690-501A ROLLER ARM K: KDC-248U K1: KDC-MP248U K2: KDC-MP148U K3: KDC-208U Indicates safety critical com po nents. M: KDC-U3049 M1: KDC-U349R M2: KDC-U349S M3: KDC-U349G M4: KDC-U349A M5: KDC-4051URM M6: KDC-4051UGM C1: KDC-U4049...
- Page 26 FEED MOTOR ASSY (SVC PRT) X94-2170-00 LOADING MOTOR ASSY (SVC PRT) K: KDC-248U K1: KDC-MP248U K2: KDC-MP148U K3: KDC-208U Indicates safety critical com po nents. M: KDC-U3049 M1: KDC-U349R M2: KDC-U349S M3: KDC-U349G M4: KDC-U349A M5: KDC-4051URM M6: KDC-4051UGM C1: KDC-U4049...
-
Page 27: Specifications
Auxiliary input section Frequency response (±3dB) ......20Hz~20kHz FM tuner section Input maximum voltage ..........1200mV Frequency range Input impedance ............10kΩ KDC-208U/248U: 200kHz space ..87.9MHz~107.9MHz General KDC-MP148U/MP248U: 50kHz space ............. 87.5MHz~108.0MHz Operating voltage (11~16V allowable) ......14.4V Usable sensitivity (S/N=26dB) ....11.2dBf (1.0μV/75Ω) Maximum current consumption ........ -
Page 28: Audio Section
USB standard ........USB1.1/2.0 (Full speed) Maximum supply current ..........500mA File system ............. FAT16/32 KENWOOD follows a policy of continuous advancements MP3 decode ..Compliant with MPEG-1/2 Audio Layer-3 WMA decode .... Compliant with Windows Media Audio in development. For this reason specifi cations may be changed without notice. - Page 29 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-6430-00 A/2 (LVB11003-001A) CN102 X32 B/2 REST MGND...
- Page 30 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 PC BOARD (FOIL SIDE VIEW) R305 CN901 ELECTRIC UNIT C901 R780 X34-69xx-xx J120 C314 B309 (GEB10301-201A) C891 B310 D782 R894 R132 R781 C311 C312 D704 ANTENNA PRE OUT IC301 C132 R882 B921 C368 J321 B920 R307 B922 B313...
- Page 31 KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U KDC-U3049/U349A/U349G/U349R/U349S/U4049 PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-705x-xx (GEB10302-001A) X16-705x-xx (GEB10302-001A) D667 D673 CN603 D668 D680 D666 C683 D683 D684 C682 C681 R659 D685 D672 D677 D671 TL626 R671 D663 D676 D662 TL625...
- Page 32 IC702 SYSDA SIGNAL LINE RESET GND LINE USBGND C559 B LINE C717 SURGE C913 4.7V C715 C933 330u6.3 L101 USB5V USB5V VDD5V L102 ∗ ∗ VREF R903 R902 FL+B FL+B D1.5V D3.3V PANDAT CNDET uCOM3.3V uCOM3.3V uCOM3.3V KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U/ U3049/U349A/U349G/U349R/U349S/U4049 (1/2)
- Page 33 S610 S611 BAND TL623 S604 S605 S606 S616 SIGNAL LINE GND LINE DISP B LINE IPOD/BT (ACCENT) TL624 S602 S603 KDC-208U/248U/4051UGM/ 4051URM/MP148U/MP248U/ MATRIX U3049/U349A/U349G/U349R/ EJECT U349S/U4049 (2/2) (X16-705x-xx) D652,655,658,659, D653, D660-663, R656, UNIT DESTI- D656,657,681 D664,665 MODEL NAME D674-677 D678...