Pioneer DEH-14UB/XNUC Service Manual
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Pioneer DEH-14UB/XNUC Service Manual

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CD RDS RECEIVER
DEH-14UB
DEH-1450UB
DEH-1450UB
DEH-1450UBG
DEH-1490UB
This service manual should be used together with the following manual(s):
Model No.
Order No.
CRT4759
CX-3287
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2011
Mech. Module
S11.6STD
CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly
1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
DEH-14UB/XNUC
/XNES
/XNES1
/XNES
/XNID
Remarks
ORDER NO.
CRT4727
/XNUC
K-ZZZ JUNE 2011 Printed in Japan

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  • Page 1 PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936...

  • Page 2: Safety Information

    The AEL (accessible emission level )of the laser power output is less than CLASS 1 but the laser component is capable of emitting radiation exceeding the limit for CLASS 1. A specially instructed person should do servicing operation of the apparatus. DEH-14UB/XNUC...
  • Page 3 CAUTION Danger of explosion if battery is incorrectly replaced. Replaced only with the same or equivalent type recommended by the manufacture. Discord used batteries according to the manufacture's instructions. DEH-14UB/XNUC...

  • Page 4: Table Of Contents

    10.2 KEYBOARD UNIT..........................42 10.3 CD CORE UNIT (S11.6STD) ......................... 44 10.4 WAVEFORMS ............................46 11. PCB CONNECTION DIAGRAM........................48 11.1 TUNER AMP UNIT..........................48 11.2 KEYBOARD UNIT ..........................52 11.3 CD CORE UNIT (S11.6STD)........................54 12. ELECTRICAL PARTS LIST .......................... 56 DEH-14UB/XNUC...

  • Page 5: Service Precautions

    5. Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by electrostatic induction. area and a heat sink becomes hot areas. Be careful not to burn yourself. 7. Software update The software of this product is stored in IC671. Please replace IC671 when making the version upgrade of software. DEH-14UB/XNUC...

  • Page 6: Notes On Soldering

    Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting temperatures (hard to melt/easy to harden). The following lead-free solders are available as service parts: Parts numbers of lead-free solder: GYP1006 1.0 in dia. GYP1007 0.6 in dia. GYP1008 0.3 in dia. DEH-14UB/XNUC...

  • Page 7: Specifications

    2. SPECIFICATIONS 2.1 SPECIFICATIONS DEH-14UB/XNUC General Usable discs ....Compact disc Signal-to-noise ratio ..94 dB (1 kHz) (IHF-A network) Power source ....14.4 V DC (10.8 V to 15.1 V al- Number of channels ..2 (stereo) lowable) MP3 decoding format ..MPEG-1 & 2 Audio Layer 3 Grounding system ...

  • Page 8: Disc/Content Format

    Usable discs ....Compact disc Specifications and the design are subject to Signal-to-noise ratio ..94 dB (1 kHz) (IEC-A network) Number of channels ..2 (stereo) modifications without notice. MP3 decoding format ..MPEG-1 & 2 Audio Layer 3 2.2 DISC/CONTENT FORMAT DEH-14UB/XNUC...

  • Page 9: Basic Items For Service

    See the table below for the items to be checked regarding audio: Item to be checked regarding audio Distortion Noise Volume too low Volume too high Volume fluctuating Sound interrupted DEH-14UB/XNUC...

  • Page 10: Pcb Locations

    3.2 PCB LOCATIONS CD Core Unit (S11.6STD) Tuner Amp Unit Keyboard Unit A:DEH-14UB/XNUC B:DEH-1450UB/XNES C:DEH-1450UB/XNES1 D:DEH-1450UBG/XNES E:DEH-1490UB/XNID Unit Number : QWM3319(A) : QWM3320(B,C,D,E) Unit Name : Tuner Amp Unit Unit Number : (A,B,C,E) : (D) Unit Name : Keyboard Unit...

  • Page 11: Jigs List

    CD Mechanism Module 3.4 CLEANING Before shipping out the product, be sure to clean the following portions by using the prescribed cleaning tools: Portions to be cleaned Cleaning tools CD pickup lenses Cleaning liquid : GEM1004 Cleaning paper : GED-008 DEH-14UB/XNUC...

  • Page 12: Block Diagram

    B.UP ILM+B SYSTEM MICRO COMPUTER Q872 IC601 (1/2) R5S7266ZD144FP ILMPW FLASH ROM Q873 IC671 A :PEB035A8 DIMMER B C D E :PEB034A8 REGULATOR IC :DEH-14UB/XNUC IC912 BA49182-V12 :DEH-1450UB/XNES :DEH-1450UB/XNES1 SWVDD VDDCONT SW5V SW5V BSENS BSENS :DEH-1450UBG/XNES SWVDD SWVDD SYSPW SYSPW VDD3.3V...
  • Page 13 KST2 TC7SET08FUS1 LCD DRIVER/ KST3 DPDT DPDT KEY CONTROLLER DPDT DPDT IC1801 KST4 PD6581A VDSENS DSENS DSENS DSENS V1801 REMOTE CONTROL SENSOR IC1802 GP1UXC14RK VDCONT ILM+B ILM+B CDRST D1851,D1852,D1853,D1854, D1855,D1856,D1857,D1858, D1866 D1859,D1860,D1861,D1862, D1863,D1864,D1865 SWVDD SWVDD CN1911 USB5V USB5V USB5V DEH-14UB/XNUC...

  • Page 14: Diagnosis

    In case of the above signal, the communication Source keys with Grille microcomputer may fail. operative If the time interval is not 300 msec, the oscillator may be defective. Source ON SYSPW <- H Pin 7 Completes power-on operation. (After that, proceed to each source operation) DEH-14UB/XNUC...

  • Page 15: Error Code List

    : Servo-related errors CD Off, Eject, ACC Off, Back-up Off, Communication reset, Reset Load NG/Eject NG(50) : Reload, Eject, ACC Off, Back-up Off, Communication reset, Reset Failure in retried turning for ejection : CD On, Eject, ACC Off, Back-up Off, Communication reset, Reset DEH-14UB/XNUC...
  • Page 16 –Change to a dif- ferent source. Then, return to the USB source. ERROR-23 USB storage de- USB storage de- vice was not for- vice should be for- matted with matted with FAT12, FAT16 or FAT12, FAT16 or FAT32. FAT32. DEH-14UB/XNUC...

  • Page 17: Connector Function Description

    5.3 CONNECTOR FUNCTION DESCRIPTION ANTENNA REAR OUTPUT WIRED REMOTE CONTROL 15 13 11 9 7 5 3 1 (Except DEH-14UB/XNUC) 16 14 12 10 8 6 4 2 1 FL+ 9 NC 2 FR+ 10 NC 11 NC 3 FL-...

  • Page 18: Service Mode

    The screen gets still when entering this item. On (an initial value or On (state when setting value of default entering test mode) Switching to next display menu) by pressing “ 1 ” + “ 3 ” keys simultaneously. DEH-14UB/XNUC...

  • Page 19: Cd Test Mode

    When the power is turned on/off the gain of the RFAMP is reset to 0 dB. At the same time all the self-adjusting values shall return to the default setting. Do not do Tracking Servo Close before doing Focus Servo Close. (Because the overcurrent flows) DEH-14UB/XNUC...

  • Page 20: Disassembly

    Lift off the Tuner Amp Assy from the Heat sink side. The Tuner Amp Assy is fixed into the ditch. Disconnect the FFC and then remove the CD Mechanism Module. CD Mechanism Module Fig.4 DEH-14UB/XNUC...
  • Page 21 Remove the two screws. Straighten the tabs at two locations indicated and then remove the Tuner Amp Unit. Fig.5 Tuner Amp Unit Attention of removing (Fig.6) Don't remove this screws excluding the dismantlement of the CD Mechanism Module. Fig.6 DEH-14UB/XNUC...
  • Page 22 1. Attach the button from the front side of the panel. Fig.9 2. Attach the spring to the arm as shown in the figure. The bended tip of the spring is set to this side. Hitch the spring to the groove. Fig.10 DEH-14UB/XNUC...
  • Page 23 4. Fit the boss on the lower side of the arm in the lower hole of the panel, and then warp the rib on the panel in the direction shown in the figure and fit the boss of the arm in the panel. Fig.11 DEH-14UB/XNUC...
  • Page 24 2. Be careful not to hold the solid line portions or the CRG mecha part or insert foreign substances, to prevent distortion. 3. When holding the sides of the upper chassis, do not apply excessive force to prevent distortion. (Approx. 8N or less) Handling OK Handling NG DEH-14UB/XNUC...
  • Page 25 Fig 3 Fig 4 [Incorrect built-in state] The chassis is not nipped between Outer holder Normal built-in state the PU case and the PU rack. Rear end of feeding screw DEH-14UB/XNUC...

  • Page 26: Each Setting And Adjustment

    1k ohms in series. The load and eject operation is not guarantied with the mechanism upside down. If the mechanism is blocked due to mistaken eject operation, reset the product or turn off and on the ACC to restore it. DEH-14UB/XNUC...

  • Page 27: Checking The Grating After Changing The Pickup Unit

    Because of eccentricity in the disc and a slight misalignment of the clamping center the grating waveform may be seen to "wobble" ( the phase difference changes as the disc rotates). The angle specified above indicates the average angle. Hint Reloading the disc changes the clamp position and may decrease the "wobble". DEH-14UB/XNUC...
  • Page 28 Grating waveform Ech -> Xch 20 mV/div, AC Fch -> Ych 20 mV/div, AC 0 degrees 30 degrees 45 degrees 60 degrees 75 degrees 90 degrees DEH-14UB/XNUC...

  • Page 29: Pcl Output Confirmation

    With the TESTIN (22 pin) status of IC601 to be “H”, it is shifted to PCL Output Test mode after reset started. Check that square wave of 600.0 kHz is output from PCL (8 Pin) of IC601. If clock signal is out of this range, this resonator (X602) must be changed for a new one. DEH-14UB/XNUC...

  • Page 30: Exploded Views And Parts List

    Screw adjacent to mark on the product are used for disassembly. For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions,apply as you think it appropriate.) 9.1 PACKING DEH-14UB/XNUC...
  • Page 31 Not used CRY1305 Card Type RC Unit QXE1047 QXE1047 QXE1047 QXE1047 QXE1047 Case Assy Not used QXA3129 QXA3129 QXA3129 QXA3129 Owner's Manual,Installation Manual Part No. Language QRD3102 English, French, Spanish(Espanol) QRD3103 English, Spanish(Espanol), Portuguese(B), Traditional Chinese, Arabic, Persian QRB3198 English DEH-14UB/XNUC...

  • Page 32: Exterior

    9.2 EXTERIOR DEH-1450UB/XNES DEH-1450UB/XNES1 DEH-1450UBG/XNES DEH-1490UB/XNID DEH-14UB/XNUC...
  • Page 33 Label See Contrast table (2) > Fuse(10 A) YEK5001 Detach Grille Assy See Contrast table (2) (2) CONTRAST TABLE DEH-14UB/XNUC, DEH-1450UB/XNES, DEH-1450UB/XNES1, DEH-1450UBG/XNES and DEH-1490UB/XNID are constructed the same except for the following: DEH-14UB/ DEH-1450UB/ DEH-1450UB/ DEH-1450UBG/ DEH-1490UB/ Mark No.

  • Page 34: Cd Mechanism Module

    9.3 CD MECHANISM MODULE (A) : GEM1024 (B) : GEM1043 DEH-14UB/XNUC...
  • Page 35 CNV8342 Guide CNW2240 Roller CNW1172 Holder CNW1195 CNW2241 Roller CNW1175 ..CNW1177 CNW1178 Gear CNW1180 Gear CNW1181 ..Gear CNW1183 Rack CNW1184 Gear CNW1185 Gear CNW1186 Gear CNW1187 Gear CNW2287 Clamper CNW1190 CNW1192 Holder CNW1193 Holder CNW1194 Damper CNW1197 DEH-14UB/XNUC...

  • Page 36: Schematic Diagram

    ILMG DGND C802 NM : No Mount USGND C803 GRILLE The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. DEH-14UB/XNUC...
  • Page 37 GND1 E2 4 R804 2.2k GND5 GND2 DPDT Q873 DPDT GND4 GND3 LTC143EUB R803 2.2k KYDT ANTPW R808 2.2k ROT0 ANTPW R810 2.2k ROT1 A DEH-14UB/XNUC L851 IC801 B DEH-1450UB/XNES C DEH-1450UB/XNES1 OUTY D DEH-1450UBG/XNES SWVDD TC7SET08FUS1 E DEH-1490UB/XNID DEH-14UB/XNUC...
  • Page 38 REAR OUTPUT DEH-14UB/XNUC...
  • Page 39 DEH-14UB/XNUC...
  • Page 40 DEH-14UB/XNUC...
  • Page 41 DEH-14UB/XNUC...

  • Page 42: Keyboard Unit

    R1802 IC1802 GP1UXC14RK REMOTE DGND R1804 R1803 DGND V1801 SEGMENT LCD CAW2018 SYMBOL SIZE RS1/10SR***J-T RS1/4SA***J-T ILMGND only D COLOR2 GREEN D1851-D1865 : SML-D12P8W(KL) REFERENCE AREA MAP GRILLE uCON&LCD 1801-1820 KEY MATRIX & CONNECTOR 1821-1850 1851-1910 1911-1920 only 1921-1930 DEH-14UB/XNUC...
  • Page 43 DISP/BACK DGND CN1911 CKS6267 DGND ILM+B Dimmer off 12.96V C1911 Dimmer on 8.52V 0.1u/16 DGND USBGND A DEH-14UB/XNUC B DEH-1450UB/XNES C DEH-1450UB/XNES1 D DEH-1450UBG/XNES E DEH-1490UB/XNID COLOR1 only D D1871-D1885 : SML-D12V8W(PQ) except D ILMCLR Q1851 only D except D...

  • Page 44: Cd Core Unit (S11.6Std)

    C308 CSN1081-A R309 PRTLIM TKRNF DSCSNS 1u/10 MOTOR DRIVER LOGIC TABLE PRTF FCRNF (1608) PRTT LOAD PLAY TKCDET SWITCHES: PREVCC CLCONT FCCDET CD CORE UNIT (S11.6STD) LOEJ CONT S901:HOME SWITCH..ON-OFF S903:DSCSNS SWITCH..ON-OFF The underlined indicates the switch position. PGND DEH-14UB/XNUC...
  • Page 45 /CDSRQ /CDSRQ R706 /CDSTBY /CDSTBY R702 R708 SKIP SKIP R701 RESET 8 RESET CN701 3.3V 10 GND DATA 11 DATA BCLK 12 BCLK LRCK 13 LRCK 14 GND 15 PGND LOGIC TABLE /WAIT 16 WAIT PLAY IIC-BUS Digital PGND DEH-14UB/XNUC...

  • Page 46: Waveforms

    1 V/div fRFAGC 500 mV/div 500 mV/div 500 mV/div 9TIN 500 mV/div Focus Search waveform Track Open waveform 100 Track Jump waveform (32 Track Jump x 3) Ref.: Ref.: Ref.: REFO REFO REFO Mode: Mode: Mode: TEST TEST TEST DEH-14UB/XNUC...
  • Page 47 12 cm CD Eject operation 12 cm CD Eject operation Ref.: Ref.: Mode: Mode: Normal Normal 500 μs/div fRFAGC 1 V/div 9TIN 1 V/div 1 V/div aFIN 1 V/div μ Black Dot (800 m) during play Ref.: REFO Mode: Normal DEH-14UB/XNUC...

  • Page 48: Pcb Connection Diagram

    VA893 C260 R252 C252 Q252 C251 C313 C254 R259 C253 SIDE B D502 C261 P.C.Board Chip Part D503 C510 C505 C503 R501 R504 C502 R503 R502 C514 C508 R506 C506 R505 IC501 D501 R507 L501 C509 CN701 CN1821 FRON DEH-14UB/XNUC...
  • Page 49 IC912 R713 R719 R714 R720 C705 R715 C706 IC510 D875 R717 D874 R716 R882 R884 C511 R872 D876 C852 C802 C801 IC801 L851 C808 C851 L801 C817 R811 R851 R817 R816 C803 D809 R814 C809 CN1821 C818 CN801 FRONT DEH-14UB/XNUC...
  • Page 50 TUNER AMP UNIT TESTIN DEH-14UB/XNUC...
  • Page 51 SIDE B DEH-14UB/XNUC...

  • Page 52: Keyboard Unit

    11.2 KEYBOARD UNIT KEYBOARD UNIT SIDE A D1885 D1865 C1865 D1884 D1864 C1864 D1883 D1863 C1863 D1882 D1862 D1881 D1861 C1861 D1880 D1860 C1860 D1879 D1856 C1856 C1859 D1859 D1878 C1855 C1851 C1858 D1851 D1858 D1877 D1871 C1853 D1876 D1857 DEH-14UB/XNUC...
  • Page 53 KEYBOARD UNIT SIDE B R1886 R1876 R1858 R1867 C1921 CN801 R1891 R1895 R1890 R1893 Q1851 R1894 R1874 R1884 R1866 R1859 R1826 R1857 R1860 R1885 R1882 R1875 R1872 R1853 R1863 R1865 R1855 R1861 R1851 DEH-14UB/XNUC...

  • Page 54: Cd Core Unit (S11.6Std)

    C235 CN101 MOTOR R246 R232 HOME C102 S901 C201 D101 CN702 R253 R245 C238 R706 C240 C710 C205 R297 C299 C707 C705 C220 R702 R701 SPINDLE MOTOR CN701 CN701 C702 C307 R710 C701 C308 C312 REFO1 IC301 C306 R309 DEH-14UB/XNUC...
  • Page 55 Q201 R240 R282 R293 C204 R283 R281 C284 C222 IC201 C281 C218 R292 C301 C282 R216 R218 C219 R229 R291 C217 C283 C216 C228 R217 C221 C215 C212 R709 R260 R708 S905 C708 R313 DSCSNS R312 R311 S903 R310 DEH-14UB/XNUC...

  • Page 56: Electrical Parts List

    IC 301 (A, 91, 111) IC NJM2068V Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. Q 251 (A,23,130) Chip Transistor RN1910 A:DEH-14UB/XNUC Q 351 (A,88,127) Chip Transistor RN4983 B:DEH-1450UB/XNES Q 751 (A,142,138) Transistor 2SD2396 Q 752...
  • Page 57 (A,141,70) RS1/16SS103J R 751 (A,97,45) RS1/16SS473J R 421 (A,153,79) RS1/16SS0R0J R 752 (A,99,45) RS1/16SS103J R 427 (A,142,84) RS1/16SS102J R 753 (A,143,133) RS1/10SR821J R 801 (A,121,18) RS1/10SR101J R 428 (A,139,86) RS1/16SS0R0J R 802 (A,124,18) RS1/10SR101J R 431 (A,137,104) (A) RS1/16SS0R0J DEH-14UB/XNUC...
  • Page 58 (A,32,119) CEVQW221M6R3 C 302 (A,81,128) CKSRYB474K10 C 505 (A,11,119) Capacitor CEVW221M16 C 303 (A,76,128) CKSRYB474K10 C 506 (A,27,114) CKSSYB153K16 C 304 (A,79,128) CKSRYB474K10 C 305 (A,74,131) CKSRYB474K10 C 508 (A,26,114) CCSSCH220J50 C 306 (A,81,131) CKSRYB474K10 C 509 (A,24,109) CKSRYB105K16 DEH-14UB/XNUC...
  • Page 59 (A,157,54) (A) CEAT102M16 R 1824 (B,69,26) RS1/10SR0R0J (A,157,54) 1 000 uF/16 V(B,C,D,E)CCH2024 R 1851 (B,18,27) (D) RS1/4SA681J C 923 (A,154,40) CKSSYB102K50 R 1852 (B,18,22) (D) RS1/4SA681J C 926 (A,133,41) CKSRYB102K50 R 1853 (B,48,16) (D) RS1/4SA681J C 931 (A,114,105) CKSRYB104K16 DEH-14UB/XNUC...
  • Page 60 R 237 (B,33,45) RS1/16SS221J C 302 (B,28,12) CKSSYB102K50 C 303 (B,29,12) CKSSYB102K50 R 240 (B,34,40) RS1/16SS473J R 245 (A,34,46) RS1/16SS104J C 304 (B,27,12) CKSSYB223K16 C 305 (B,26,12) CKSSYB104K10 R 254 (A,37,56) RS1/16SS104J C 306 (A,31,7) CKSSYB104K10 R 260 (B,30,27) RS1/16SS103J DEH-14UB/XNUC...
  • Page 61 Circuit Symbol and No. Part No. C 307 (A,41,19) CKSRYB105K10 C 308 (A,31,15) CKSRYB105K10 C 710 (A,34,42) CKSSYB102K50 Miscellaneous Parts List Pickup Unit(P10.6)(Service) CXX3556 Motor Unit(SPINDLE) CXE2273 Motor Unit(LOADING/CARRIAGE) CXC4026 DEH-14UB/XNUC...

This manual is also suitable for:

Deh-1450ub/xnesDeh-1450ub/xnes1Deh-1450ubg/xnesDeh-1490ub/xnid

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