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1. E a 2v mois E 100 B 8 dds 29ddiBdb5ii 1993116 5888443 TERT 8842218 1 do AM 6 66dBs m a137 100 IP BUS 9 54dBs a CN351 CD 9 34dBs mois 4 amp 5 9885 10 46 x 2 xj 8 IP BUS 10 3dBs 4 I CD 10 1dBs 4 2V 100 9141 4 GNO i one 2 aud 10 16 E um t V L1 MUTE Syste Je 14 Di Ww MA 8 8 8 813 SE 3 u fa BZ o unn on amp als sls
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3. 2 9 Q 477 DEH P250 XM UC 7 2 PARTS 7 2 1 IC Pin Functions PE5341C Pin No Pin Name Format Function and Operation 1 SWVDD Grille Chip enable output 2 4 NC Not used 5 TESTIN Test program mode input 6 LCDPW LCD back light power supply control output 7 TELIN Telephone mute input 8 EJECTIN Eject sense input 9 FLPILM Flap illumination input 10 DALMON y o For consumption low current 11 RESET Reset input 12 XT2 Not used 13 XT1 Clock connection pin 14 VSS GND 15 X2 Crystal oscillator connection pin 16 1 Crystal oscillator connection pin 17 REGOFF Regulator operation specification signal 18 REGC Capacitor for regulator connect pin 19 VDD Power supply 20 ILMPW Illumination power supply control output 21 SYSPW System power control output 22 ADPW A D converter power supply control output 23 NC Not used 24 IPPW Power supply control output for IP BUS interface 25 NC Not used 26 ROMDATA ROM corr
4. E Nnu ENMI 10921 aLow gt NS 080 8 WE HT x 235 10169 x m z 2 D 22 2 5 zz 165 286 TBS 22 26 gt 6 6 66 ete x ls m ple SIS 81 ls 6 8 8 31918 DIO YY A 2 YYY Y Y Snga dr cis AGLS D epal Tinos E ee sna 8 Z oor rdo 4 La x genro sns s LrE i oj OND EOTH Boe E Toni 2 9 Jt 0791 St H 4 B 2422 Mv s 969 zoro sng Sor esna 959 lt Z 2071552 z Tung lt 276 9 gus pm zEorvse TOTO 097 o 5 glo wot usna 5 d 5 99 8078 l U lt sgpzz sngdi CUA CUA SE ee C ee 8 1015 1 5 88 U u x x x gt 3 1 5 9 6 753 lt lt orango 22668 5656358 6 4
5. 5 ER 6 7 Format Function and Operation 76 MODELIN Model select input 77 CSENS Flap close sense input 78 NC Not used 79 DSCSNS CD Disc insert sense input 80 VDSENS VD voltage sense input 81 TEMP CD Temperature sense input 82 AVDD A D converter power supply terminal 83 AVREF A D converter reference voltage terminal 84 AVSS GND 85 RX IP BUS Data input 86 TX IP BUS Data output 87 NMI GND 88 LDET PLL lock sense input 89 RCK RDS Clock input 90 DSENS Grille detach sense input 91 PACK 92 ASENS ACC power sense input 93 BSENS Back up power sense input 94 TUNPDI PLL data input 95 KYDT Grille data input 96 DPDT Grille data output 97 TUNPCK clock output 98 TUNPDO PLL data output 99 TUNPCE PLL chip enable output 100 PEE Beep tone output 341 IC s marked by are MOS type S Be careful in handling them because they are very liable to be damaged by electrostatic induction 51 30 Format Meaning C CMOS BD4834G 80 11 5 E Vref od b a a gt 2 9 9 DEH P250 XM UC 5 6 um 7 49 007 P GND2 OUT2 STBY OUT2 VCC OUT1 P GND1 OUT1 SVR IN1 IN2 S GND IN4 IN3 AC GND OUT3 P GND3 OUT3 VCC
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7. 32 4 3 nm 33 4 4 CD MECHANISM MODULE tne rites Dr dale ne 34 b ELECTRICAL PARTS 36 G2 ADIWSTIMEN TE TD 40 40 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT eese tns 42 6 3 ERROR 44 7 GENERAL INFORMATION e 45 DIAGNOSIS e eae rerata enen 45 FeV DISASSEMBLY 45 7 1 2 CONNECTOR FUNCTION a 47 VW mE 48 VB 48 7 2 2 DISPEAY ES m 56 7 3 FLOW Nel lap 58 7 4 GLEANING 59 8 OPERATIONS S ide decedente oder e ias be e 60 CD Player Service Precautions 1 Before disassembling the unit be sure to turn off the 3 After replacing the pickup unit be sure to check the power Unplugging and plugging the connectors dur grating See p 42 ing power on mode may damage the ICs inside the unit 2 To protect the pickup unit from electrostatic dis charge during serviving take an appropriate treat ment shorting solder by referring to the DISAS SEMBLY on page 45 DEH P250 XM UC 3 5 6 7 8 1 SPECIFICATIONS DEH P250
8. q AT p t qo Svr deren o 28 E 5 LU N wf lo QUA 2i d T dg CN B p 97 07 8 zseb D y bd 1 Be 2 lt ry 1 t e X oot EIU Wed ue 5 P y I SgPL OL g9 2 b Ug 5 01 6 4 0000 r N uvau ta oze sgp6 S WV hh 5 8p6 S W4 Zt Ssgpr 6 qo TG NO VOU 9 6 5 8 1 oor 58 999 1 UNS SgP99 9 1N4 4 8 o fm fe ologo mn mar x un y Pe aP r FX S p 5 81656 6 13 Slo BEE p Sat bbb 5 2 e AE 3 55 5 a aru oor oot BETH I qv ev um LL DEH P250 XM UC eo qv ev
9. 2 4ofeld UIING pefeidsip eg Aew LL HOWM3 S uons ue doud ejeJedo jou seop GO ung e 9sip ay 10 9510 12842 pue osip ay 32919 01 ID3r3 559444 dn s 81 ay jo epis 9 JOU 8 aui osip uesui Jaye 140 1 duuo2 2510 e jouueo j e ois qO eu 45 e pasu zou og e Buifeid ue asn jou e ye qO 8 10 2 euo sejd 94 e D 984 34d ay 0 diys uleBe Buissejgd YIL ay Jo PEJS eui Sdiys 2200 Bulssaig 75994 BU JO 918 991 0 50135 lt Bulssaid 4 10 gt 55944 Jay oue seq 41450 9 4 10 gt pjou pue ssaid 40 158 OL 6 BY eseaJ2ep 10 eseaJout O 55814 Jeuedjuojjeureso uado s jeued zuo au seul AU 1991uo9 129100 OU JEU ans uonounj eul m jara Suissaid Aq qa 8 pela 085 uognq Lara 1015 05 915 xoegKe d 1015 Buipeo 991 5 Z aefejd
10. Removing the Upper and Lower Frames 1 With a disc clamped remove the four springs A the two springs B the two springs C and the four screws 2 To remove the upper frame open it on the fulcrum A 3 While lifting the carriage mechanism remove A three dampers 4 With the frames removed insert the connectors coming from the main unit and eject the disc Caution Before installing the carriage mechanism in the frames be sure to apply some alcohol to the dampers and set the mechanism to the clamp mode Carriage Mechanism ___ Damper Removing the Pickup Unit 1 Set the mechanism to the clamp mode 2 Remove the lead wires from the inner holder 3 Remove the two washers styling holder change arm and pickup lock arm 4 While releasing from the hook of the inner holder lift the end of the feed screw Caution In assembling move the planet gear to the load eject position before setting the feed screw in the inner holder Planet Gear 46 DEH P250 XM UC 1 2 3 4 7 1 2 CONNECTOR FUNCTION DESCRIPTION 15 9 SN 1 dNI d SNE 5 1Sn8 Sn8 ON 5 8 29 791 GL Yi LL 701 6 Td 79 13 Hd dd c 10 60 1 uvaud OVP VNN31NV
11. 16 linear Frequency characteristics 5 20 000 Hz 1 dB Signal to noise ratio 94 dB 1 kHz IHF A net work Dynamic range 92 dB 1 kHz umber of channels 2 stereo FM tuner Frequency range Usable sensitivity Md 87 9 107 9 MHz t 0 7 75 mono S N 30 dB 50 dB quieting sensitivity 10 dBf 0 9 uV 75 mono Signal to noise ratio 75 98 IHF A network 0 3 96 at 65 dBf 1 kHz stereo 0 1 96 at 65 dBf 1 kHz mono Frequency response 30 15 000 Hz 3 dB Stereo separation 45 dB at 65 dBf 1 kHz SelectlVily suu nunaq idu 80 dB 200 kHz Three signal intermodulation desired signal level NOM 30 dBf two undesired sig nal level 100 dBf AM tuner Frequency range Usable sensitivity Signal to noise ratio 530 1 710 kHz 10 kHz 18 uV S N 20 dB 65 dB IHF A network DEH P250 XM UC General Power SOUICE 14 4 V DC 10 8 15 1 V al lowable Grounding system Negative type Max current consumption 10 0A Dimensions W x H x D DIN Chassis 78 x 50 157 7 x 2 x 6 1 8 in NOSE 188 x 58 x 19 mm 7 3 8 x 2 1 4 x 3 4 in D Chassis sse 178 x 50 x 162 mm 7 x 2 x 63 8in 70 x 46
12. n rey 514 1062 S RL RESE 1030 596 Be era L 6 d RESET S 6 6v 9 ARE 5 4 resm amp BPR i 5 10 nj x 5 11 FRIN l exl SISI 8651 9 3 3 SISI 9 1 48 PLIN 4 SB res Yeo SB elt ay 8 3 5 See SpA cet BTE 24 T oa TUNDO 1 48 IN 1 parents sog E 1 18 PW GND3 eire 1 l d 1 arusasa peor a d a A Bld d T IL Pes vor 55 ovo 944 nes TUNPDI MPGObG 6415950 Ed ior nae 91 PACK ES Las uc 5341C osens 2a 4 DSENS i E B GND TROLLER E sa 744 S m CN981 5 5 REG VDD 5 14 av 58 avss AYR t 4805 ecosc ea seso 1 7 ui aveer 22 2 Wai Jeno Gonos were posz acc 5 E I lt Reals L 8 14 04 JUOGDUC S FIR Ss 5p T OTR 958 STS 5 E gud 872 Tun va 7 AH m
13. d xusng SZeease 5 Z940 Zz 0 3 dis zasna 2 ev a um a um m LL DEH P250 XM UC 78 LL lt ewy sa w s ee LINN qe TANVd gt gt BR GR bz o 62 0 9 B m9 N S H a 5 3 8 4 4 252 ST n p t 7968 6TH 2960 Ue e s 2v yrs 5688 ee slic 04658 sHe MEZT durs 4 8 L s 981 1061 ire eHe sS ed t 6 6 E K TS 52 oF 5 aH 199 17189 ee 27 ei I TI 2 LOAN JOSETNO I 4188 TESNO JS6ETNO Ta EE E ccc ZVX 3 7 cOVNO om r B 29 8 lt Im 2 SB E g HE 2 6 J 9 5 Tus re
14. H M a a lt v i st T 2050 2209 2200 pue suoyloedeo diuo uonenuaJejjlp ON GOAWS 8 2426 27 e H sh 9 Md WII pesseJdxe 61018181 01oJosIp I s T95H pue pue 8 0481804 diuo si ON _ 10151594 10 34104 jeuuroeq 10351501 e OqUIAS lt gt OMS tos UESTRE oov verue Bd DI DI PH 260 eeea m 23 8 3SN3S8 i 1 1 AE ENNI SN3SG AG BNI foe ste EI E 2 sa 93H AB AE NAL 555 55 TN3SV 291 218 a n S N 95 9 sza zm Teu x TN3S8 N sapoe engal 3SN3SV 652 m Jc i 7 EI 2 Tens 7 kpo 12 oS THH Hio mess ui EEF 349 o gn 7 MdSAS 6 o Sud mu o ER ena 19 vu TH 5 yet 8 5 5 4 5 98 su AE sls 2 eet g STS w
15. a eee DEH P250 XM UC mH CN ILGND 12H 1 5 41V SWVDD R1906 M 2 CSENS oH 47K 13 9V ILB 9Hna 2 t 13 9v DGND 7 6 46 5 7 111904 5 4V KYDT 5 2R2K Aa R1905 5 1v DPDT CLOCK ERAR 51908 gt aqua 1508 51903 51906 5 20 oi of M m 4 51907 Q Gy 5190 19 EE alla alla alla alla 4 25 ot ei 58 c VOL UP DISP e gt lo on Ney 51911 51915 9129 9 D D Sj emp ez alla oy ov wm lt 26 EI io 2 10 of io n c I n a 81912 81914 4 516 E M gt L i E E m e ote Ze et He 9094 9 v NI RIGHT LEFT T lt lt lt e o a a a 5 I 51918 51921 EN 7 0 y i ot al sl 0 I gay org 0 51918 51920 1922 lt a a a 1 E
16. SEGAB 535 R22 1901 01901 DAN202U SEG18 49 SEG17 50 SEG16 51 SEG15 52 SEG14 53 SEG13 54 SEG12 55 56 SEG11 57 SEG 10 58 SEGS 59 SEG8 60 SEG7 61 SEG6 SEGS 63 64 SEGA SEG21 46 SEG22 SEG2 SEG23 SEG1 SEG24 SEGO SEG25 COM3 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 1901 PD6340A COM2 COM1 COMO KST3 KST2 SEG32 KST4 KSTO KDT4 XI MODA KYDT NC19 DPDT SEG36 25 37 31sEG38 30sEG39 DAP202U 01902 KST4 28 KST5 27 6 KDT2 25 OSC 24 2a 97MHz css1422 23 1901 21 13 18 1902 OUT 17 3 SEG3 7 10 11 15 16 GND SOPABAOSB 1 SEGA SEG2 SEG1 SEGO COM3 q y H H U j TO KSTS 5190 KST4 5190 1 lt 5191 n 0 KST3 Ik 519 319 5192 1928 1 2 4 SOURCE q KSTO
17. e ut 09 y uo 54084 519 Wopuey si jeadai 9J pJe u0J 158 JO u24e8s YORI WOSA N A 9941 3xeu eu ueu Bur ejd X981 au Ae dsip ui Seadde 440 1 329491 0 A 5944 yeadas pue IN 49841 u Ae dsip au u saeedde NO 14 uo ejd yeadas 0 55944 Z SIp 94 ui sjeedde dM NOLLINNA 55224 12925 03 55944 L 4021 nof 519 Ae d yeeday Burneaday e dsip yoeqgAe d eui s Aejdsip spuooss 0g uongouny ay ejeJedo JOU op 0 55918 051 yoeg ejd 0 Win es 0 esned 3snvd ejd ue s 25 Wqw eid 199daJ 14 suonoun ay 89 uoiMs 858 4 Aejdsip 0 55944 e snjejs ay SMOUS Aejdsip uonounj uO pauan si yeades ueuM SMOYS Joje ipul 14 D ur3jinq pe ueApe jo
18. 95935 OWOD 0 LINOJ J 2402 95935 COMMON 62945 56 DEH P250 XM UC 1 2 5 6 LCD CAW1760 DEH P25 XM UC DEH P25 XN UC SEGMENT 02935 12945 r sss 92935 wos 4 aE 82035 1 02935 1593 82935 LINOD ENO 92945 18935 82935 62935 DEH P250 XM UC HH M ant J ji ji gt CET C 7 p y 23 UN sxs lt s 57 7 3 OPERATIONAL FLOW CHART Power ON ASENBO lt H Pin 71 CSENS 2V 3VECSENS Last source returns 2V lt CSENS lt 3V loading functions are available Starts Keys except for EJECT key are not available communication with Grille microcomputer 300ms SWVDD lt H Pin 1 300ms In case of the above signal the communication with Grille microcomputer may fail If the time interval is not 300msec the oscillator may be defective
19. ical n bibi 101 1 0 1 VD 8 8 KLCONT XINTQ lt 4 INTG gt LOEJ 5 8 DSCSNS m 6 DSCSNS gt 9 CONT 7 CONT Lour Lour gt Lour R603 AGND Y 6 ORo ROUT CLAMP 11 CLAMP XRST 12 XRST lt 18 t 13 on R507 220 250 MOTOR DRIVER LOGIC TABLE XSCK 228 588 15 5 lt LOAD EJ PLAY OF xs ums 16 xs1 220 7 1 17 lt LOEJ L H 575 18 GND GND cw 1 PALL SPA 2 5 20 PGND GND 3p 21 PGND GND 5 5 5 5 28982558 5 5 5 5 PGND GND VD DEH P250 XM UC HH 25 Waveforms D DSCSNS Q CLCONT LOEJ 5V div VD 10V div 5V div 5V div 500ms div DDSCSNS 5V div Q CLCONT 5V div LOEJ 5V div VD 10V div When loading an 8cm CD 500ms div When loading a 12cm CD Ref Ref I GND GND Mode Mode Normal Normal FIN 200mV div 500ms div 40 TE 500mV div 200ms div 9 RFOK 2V div FE 500mV div SIN 2V div When setting up Source On 12cm CD DA When setting up Source On Ref Ref REFO Mode E i Mode Normal Norma
20. Output of FM AM signals level chip enable 2 Chip enable for EEPROM Low active write control You can write EEPROM when EEPROM write control is Low Ordinary non connection chip enable 1 Chip enable for AF RF High active clock Clock data in Data input non connection Not used osc ground Ground of oscillator block power supply Power supply for EEPROM pin 13 is connected with a power supply of micro computer data out Data output digital ground Ground of digital block non connection Not used power supply The power supply for digital block 3 3V 0 2V non connection Not used non connection Not used non connection Not used non connection Not used audio ground Ground of audio block L channel output FM stereo L ch signal output or AM audio output R channel output FM stereo R ch signal output or AM audio output DEH P250 XM UC 6 7 8 55 1 2 3 4 7 2 2 DISPLAY LCD CAW1759 DEH P250 XM UC DEH P250 XN UC DEH P2500 XM UC DEH P2500 XN UC 02935 12945 22936 26945 72935 92935 e 92995 12935 66935 02935
21. TRK 99 MIN 99 SEC 99 TRK 02 MIN 02 SEC 02 3 F Offset Display RF Offset Display T Offset Display 4 1TR 32TR 100TR 5 Single TR 32TR 100TR CRG Move 9x 8x 91 81 92 82 93 83 94 84 6 Only at the time of CRG Move or 100TR Jump 7 TRK MIN SEC F AGC gt T AGC Gain F bias AGC 8 CRG motor voltage 2 V 21 Tracking Open TRKgx MINgx SEC8x 9 5 9 Operation Key Test Mode BAND Power On Off 5 CRG TR Jump d Direction of the external surface le CRG TR Jump Direction of the internal surface 1 CLS and Applicable servomechanism AGC AGC display switching 2 RF Gain switching Offset adjustment display T Balance adjustment T Open 3 Close S Curve Rough Servo RF F RF AGC SPDL 1X 2X switching Double speed compatibility only Gop measurement 6 Forcus Mode switching Tracking Close CRG TR Jump switching DEH P250 XM UC 41 6 2 CHECKING THE GRATING AFTER CHANGING THE UNIT Note The grating angle of the PU unit cannot be adjusted after the PU unit is changed The PU unit in the mechanism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted PU unit for the CD mechanism module Changing the PU unit is th
22. 0 394 punos y snipe o1 SN 2 21 08 se peioejes si 19 1 FDUNOS sseJd euni 222195 03 JDUNOS 55944 L pejoejes ugaq seu jeseJd SMOUS 081815 Ui jse2peoJq Bulaq si y 124 SMOYS 40 094995 peuni s aaun SMOUS Asuanbasy 40 NV O st eui PULG swous pueg D eDed y uo peurejdxe SI uongjedo SJON eui o 19559291 80915 21884 y S UL Buruajsr 2e aaun suani y I un pue 38105 55244 yun y Buiuini 91nos ay BY 1292 uo si 921 5 S Pun SIY 5 129 y 5 125 SU 01 peaj sun 514 uSuAA e 5101 Aq 195 Sig iun JO jun way JO aui pejoeuuoo spun jeu U YM HUN 3141 Aq pojjo41402 aq SHUN 5191 suoounj 215829 JO se qeue eoJnos
23. 14mm 6 3 4 x 1 3 4 x 1 2 in 1 4 kg 195 Audio Continuous power output is 22 W per channel minimum into 4 ohms both channels driven 50 to 15 000 Hz with no more than 596 THD Maximum power output 50W x4 Load impedance 40 4 8 Q allowable Preout max output level output impedance len ll 2 2 V A Equalizer 3 Band Parametric Equalizer Low Frequency 40 80 100 160 Hz Q Factor 0 35 0 59 0 95 1 15 6 dB when boosted 12dB Mid Frequency 200 500 1k 2k Hz Q Factor 0 35 0 59 0 95 1 15 6 dB when boosted Gall ee ea 12dB High Frequency 3 15k 8k 10k 12 5k Hz Q Factor 0 35 0 59 0 95 1 15 6 dB when boosted 12dB 3 5 dB 100 Hz 3 dB 10 kHz eet etie 10 dB 100 Hz 6 5 dB 10 kHz CD player System Usable discs Signal format Sampling frequency DEH P2500 XM UC DEH P2500 XN UC DEH P25 XM UC DEH P25 XN UC 11 dB 100 Hz 11 dB 10 kHz volume 30 dB Compact disc audio system Compact disc 44 1 kHz Number of quantization bits Frequency characteristics Signal to noise ratio Dynamic range Number of channels FM tuner Frequency range Usable sensitivity 50 dB quiet
24. 2851 SY dale UdAS ur SO ON Aejdsip ypeqAe d 55944 9 S enn OUI JUO 44 55944 NOK Jaye Buiss id Aq uonisod 158 0 105402 By S feidsip ay ul 0 gt 85914 99 1xeu BY j29jes 509 BU JOSIND BY MOW lt 55810 pefejdsip SI 24 ueuAA uonisod 1 BY 1051 0 4 55944 Jopjo V g X A Z S YONS BY ur 4939 p e dsip A 10 55818 uoe3 0 6 8 7 ZLursiequnu pue Z A X D 8 V u jeqeud u JO Ag dsID Y 10 55919 yg SY JO 19119 e 129195 O A JO 5594 ej dsip sieedde NI ALLL hun pjou pue 55944 C enn eu yey aefeid QO y 5911 251 gp 0 dn pue Bug 52949 8 01 dn qO dul sya eni 2510 sip pefejdsip aq M QO 324 jO enn e YOIUM JO GD 9 YASUI 94 eui fejdsip pue 591 qO 1ndur onn 251 Buisn 35 BuissaJd Aq 40 uo esned WIN osje
25. CKX1056 30 Holder CND1237 31 Holder CND1352 32 Insulator CNM8245 33 Heat Sink CNR1668 34 Terminal CN402 VNF1084 35 Holder Unit See Contrast table 2 36 Chassis Unit CXB9528 37 Button EJECT CAC7752 38 Screw M2x2 CBA1176 39 Washer CBF1038 40 Spring CBH2650 41 Spring CBH2651 42 Spring CBH2652 43 Spring CBH2653 44 Spring CBL1512 45 Holder CND1254 5 um 6 7 8 Mark No Description Part No 46 Cover CNM6854 47 Panel CNS7245 48 Gear CNV5997 49 Pin CNV6486 50 Lighting Conductor CNV6487 51 Arm CNV7400 52 Arm CNV7401 53 Arm CNV7402 54 Arm CNV7403 55 Panel Unit CWM8758 56 Socket CN1950 CKS3550 57 Connector CN1951 CKS4462 58 Holder Unit CXB9501 59 Holder Unit CXB9502 60 Damper Unit CXB9503 61 Service Panel Unit CXX1691 62 Screw IMS20P045FZK 63 Detach Grille Assy See Contrast table 2 64 Screw BPZ20P100FZK 65 Button DISP CAC7779 66 Button PAUSE CAC7780 67 Button AUDIO CAC7781 68 Button OPEN CAC7782 69 Button VOLUME CAC7783 70 Button SELECT CAC7784 71 Button SRC CAC7785 72 Button FUNC CAC7786 73 Button 1 6 CAC7787 74 Button CLK EQ CAC7808 75 Spring CBH2630 76 Cover CNS7269 77 Lighting Conductor CNV7421 78 Rubber CNV7422 79 Keyboard Unit See Contrast table 2 80 LCD LCD1901 See Contrast table 2 81 Connector CN1901 CKS4524 82 Holder CNC9757 83 Sheet CNM7647 84 Cushion 8092 85 CNV6440 86 Lighting Conductor CNV7495 87 Grille Unit See Contrast table 2 88 Transistor Q752 90
26. LL V m 5 SOM SOP 27 R38B 15K 745 MD 33V REGULATOR Lis 855 ELS oy 10781 NJM23910L1 33 1SR154 400 KE T c DEH P250 XM UC 5 6 7 8 N UR 6231 3 252 Se SUE STR C218 5P BS ASY 55K E mb SIGNAL LINE R28 R21 F SREK R214 a FOCUS SERVO LINE cts LS GND L TRACKING SERVO LINE CARRIAGE SERVO LINE a 8 1 SPINDLE SERVO LINE 1 4444 l RI u o whiny e RS ta in inf en tA in n N m ZO hes Scot 5 pons Mu LRCKIN TS SWITCHES 350 4T CD CORE UNIT ATEST SCKIN 46 S901 HOME SWITCH ON OFF 23 45 S902 CLAMP S
27. 204 2 E P54P10 F P14p6 s 1 lt 5 sys 218 5P t I R28 RM FRIK s EIS Lol 0101 LD t Bra i ru 2581132 3 ST Pp L sl PIN AN STE essi 10 15 15 4 ii slc E LD 14 14 gt r BD ads RI RFO 76 Leg 12 __12 ta 9 219 7 ir 5 L t AGCI ere i 1111 RI 78 GND RFO T 14 19 5 LPH resla 9 Aor m 29 atest 5 6 7 7 t 81 GND poH E ay i 52 5 2 T Oo HOLOGRAM UNIT TOP 4 85 8 a 4 p FOM 2 2 L 86 FOP 1 1 5 8 E UN 2 T RTZY VREFIN TRK ACT FOCUS ACT T 22 VDD c 2 22 REFOUT x gt 22 REFC aG 1 Applying positive voltage to FOP PER 95 EEG the lens moves DISC side FEO e 94 Applying positive voltage to ADCIN the lens moves outer circumference 40 95 TES iri s ADCIN ss S6 HOME I 97 gt 5901 HOME MS iN 98 ec CSN1051 sis 33 STs 25 9 5902 CLAMP CLAMP PWMSW CSN1051 5904 128 5 5 5 CSN1051 is 5905 BEJ T css S DSCSNS 5905 DSCSNS 127 CSN1052 gt 1
28. 308 Keyap 5 gt RR g Svsew ide 2993952 218 85 D ES 5 MUTE T osos T o id FM 30dBs T AM 20dBs sure aes QASENGE IP BUS 436dBs mer CD 36dBs 8E Dn TUN 3V and BV REG 4 TUNA 5 4 Bes IUN3 3 3 3v 7 zh BSENSE 38 28 8g D923 0922 0821 Cr kKi ki kK E dawsa 9837 SWD VDD NOTE 390 1971 2SA1036K i H i 5 _ UAR Symbol indicates a resistor Decimal points for resistor 551535 No differentiation is made between chip resistors and and capacitor fixed values 4 discrete resistors are expressed as 3 2 ILM PW s Symbol indicates a capacitor 2 222R2 E Savon I No differentiation is made between chip capacitors and 0 022 gt R022 discrete capacitors _ Ce DEH P250 XM UC HH 17
29. 4v E 96 SUED Ser P 215 HE 87285047 x gel ilsa XB DA ales 8 8 EVOL 2 m724 4 FM 310dBs C ed 4 m7i3 400 5 AM 31 0dBs 10 15 TI P IP BUS 422dBs 2 E ca CD 0dBs ahol ono 1750 208 gt 4 2v 1 50 sus PET CD 0dBs 8P PERE 8 ig BB CN721 gt 5 Z S o w w W CS PEG SRE 6168544 23 SP Eze RRS ESTE GR grees d 88 CN701 8 av B UP bass SS vob 4 1 IP BUS 2 2dBs i BUSR E IP BUS es Gasen imo nid Q101 gesatoa7 BUSL is x n 109 sust 595 m ogo 55 HA12187FP nios 8 1 4 leus 1 C101 miog elust pre EN ri om ge 88 IP BUS 9 maius 9999599 ZZ 8 T al 222 Pe eR 5 m 8 R9101 tunece2 5 4 Evst ORO 4 57 E
30. CORD ASSY P C Board Chip Part 5 5831 1 DETACH SENSE 28 16301 CN401 fasi 16551 10132 16101 16121 1 122 10641 10601 1 4 2 PANEL UNIT 32 PANEL UNIT 1901 CX CX 9 10111 99990 PANEL UNIT cues R1970 1971 MC 8 4 6 810 lt Ly 14 5 m 6 m 7 8 4 3 KEYBOARD UNIT L 51908 190 1904 4 4 CD MECHANISM MODULE CD CORE UNIT S10 M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR 501 201 PICKUP UNIT SERVICE P10 CD CORE UNIT S10 MZ IC Q IC7 1 9101 35 8 5 ELECTRICAL PARTS LIST NOTES Parts whose parts numbers are omitted are subject to being not supplied The part numbers shown below indicate chip components Chip Resistor RS1 OSOOOJ RS1 0DOSOOOJ CWM8618 Unit Number Unit Name MISCELLANEOUS IC 101 131 301 601 651 722 921 1
31. REMOTE CONTROL SENSOR DPDT L S801 KEY DATA DETACH SENSE LCD DRIVER KEY CONTROLLER IC 1901 PD6340A CN1951 DEH P250 XM UC 5 6 um 7 8 3 2 OVERALL CONNECTION DIAGRAMY GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST PARTS LIST or ELECTRICAL BusR ciu 4 2v 752 Large size 2508475 puse cip SCH diagram zn e 44 444 dx d 1 50 9 44 4448 44 4 25702 i qq 188 E P Gd 88 ie a 55 a cite ES HE INA zi R716 1 50 alo TER xx GND 31 ano 5 lt ly E L431 5 ari at 1 1 TC7SETOBFU A B
32. UC 3 3 Remote control Operation is the same as when using the but ton on the head unit See the explanation of the head unit about the operation of each but ton with the exception of ATT which is ex plained below CD button Press to select the built in or multi CD player as the source 45 TUNER button Press to select the tuner as the source ATT button Press to quickly lower the volume level by about 90 Press once more to return to the original volume level DEH P250 XM UC HH 61 3481 62 094915 34 081918 ui Bulag si pejoejes y ueuAs A Ssuojng au 858918 se uoos se suejs Bulun yeas suongers dijs UBD 4 JO gt pjou pue 85844 no SseJd YPM lt JO gt Jaye Bursse4d Buun yeas 99425 ULI si uBnoue jseopeoJq ueos aun eu 2502181 pue puo es euo 10 lt 10 gt pue ssaJd 1995 OL 6 days days umop 10 dn sejouenbeJ Su 5955944 oinb 10 p 55944 jenuew p INV 40 4 74 Ld S eui 85914 pueq p j s o1 ANV 5944 QUINOA BU 10 9seaJ2u
33. XM UC DEH P250 XN UC General Power SOUICe sse 144 V DC 10 8 15 1 V al lowable Grounding syst m Negative type Max current consumption caine toh th 10 0A Dimensions W x H x D DIN 78 x 50 151 7 x 2 x 6 1 8 in 88 x 58 x 19mm 7 3 8 x 2 1 4 x 3 4 in Chassis 18 x 50 x 162 mm 7 x 2 x 6 3 8 70 x 46 x 14 mm 6 3 4 x 1 3 4 x 1 2 in 4 kg Ibs Audio Continuous power output is 22 W per channel minimum into 4 ohms both channels driven 50 to 15 000 Hz with no more than 596 THD Maximum power output 50W x4 Load impedance 40 4 80 allowable Preout max output level output impedance RES 2 2 V 1 Equalizer 3 Band Parametric Equalizer Low Frequency 40 80 100 160 Hz Factor ases 0 35 0 59 0 95 1 15 6 dB when boosted decus 12dB Mid Frequency 200 500 1k 2k Hz Q Factor 0 35 0 59 0 95 1 15 6 dB when boosted Gal stesse 12dB High Frequency 9 15k 8k 10k 12 5k Hz Q Factor 0 35 0 59 0 95 1 15 6 dB when boosted mtn 1248 Loudness contour HOW p 3 5 dB 100 Hz 3 dB 10 kHz 10 dB 100 Hz 6 5 dB 10 kHz 11 dB 100 Hz 11 dB 10 kHz volume 30 dB CD player System Compact disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1 kHz Number of quantization bits
34. input 12 SO Serial data output 13 SI Serial data input 14 DVDD Power supply for digital circuits 15 DAVDD Power supply for DAC 16 ROUT Output of audio for the right channel 17 DAGND GND for DAC 18 REGC Connected to the capacitor for band gap 19 DAGND GND for DAC 20 LOUT Output of audio the left channel 21 DAVDD Power supply for DAC 22 XVDD Power supply for the crystal oscillator 23 XTAL Connected to the crystal oscillator 24 XTAL Connected to the crystal oscillator 25 XGND Ground for the crystal oscillator 26 DVDD Power supply for digital circuits 27 C1D1 Information error correction 28 C1D2 Information on error correction 29 C2D1 Information on error correction 30 C2D2 Information error correction 31 C2D3 Information on error correction 32 LOCK Output of LOCK 33 MIRR MIRR signal 34 HOLD HOLD signal 35 PLCK Output of PLCK 36 C16M Output 16 9344MHz 37 DGND Ground for digital circuits 38 TX DAI output 39 EMPH Pre emphasis information output 40 FLAG The for which output sound data cannot be corrected outputted 41 DVDD Power supply for digital circuits 42 LIMIT Signal is inputted when the register be read 43 XTALEN Permission to oscillate 44 DGND Ground for digital circuits 45 DIN Input of audio data 46 DOUT Output of audio data 47 SCKIN Clock input for audio data 48 SCKO Clock output for audio data 49 LRCKIN Input of LRCK f
35. the test mode While pressing the 4 and 6 keys at the same time reset To exit from the test mode Turn off the ACC and back up Notes a During ejection do not press any other keys than the EJECT key until the loaded disc is ejected b If you have pressed the 5 key or key during focus search turn off the power immediately to protect the actuator from damage caused by the lens stuck c For the TR jump modes except 100TR the track jump operation will continue even if the key is released d For the CRG move and 100TR jump modes the tracking loop will be closed at the same time when the key is released e When the power is turned off and on the jump mode is reset to the single TR 91 the RF amp gain is set to OdB and the auto adjustment values are reset to the default settings DEH P250 XM UC um 6 um Flow Chart KEY 4 6 Reset Test Mode In Contents Display CD or SOURCE Source On TRK MIN BAND 3 Power On T Offset is adjusted is not adjusted MIN00SEC00 TRKggMINggSECgg BAND 3 6 1 gt lt 2 Focus Close Focus Mode 3 Tracking Servo _ 8 Automatic adjustment Power Off S curve check switching Close CRG CRG display switching TRK MIN SEC 1 915 91 TRK0xMIN0xSECOx TRK00 MINQQ SECQQ TRKQQ MINQQ
36. 0 MINQQ SEC00 MIN SEC or 99 99 5 99 99 995 9 99 995 99 BAND 1 6 3 gt e 2 Power Off T Close and F T AGC and RF AGC Applicable servomechanism T Close and Applicable servomechanism RF IRF AGC coefficient display MIN SEC TRKyx MINy x yc TRKxxMINxxSECxx TRK MIN SEC CRG CRG TRKgx MINgx SEC8x TRKQxMINg SECQG TRKgx 8 8 9 5 9 T Balance adjustment T Balance coefficient display TRK 5 BANDI 1 3 6 gt e 2 7 4 4 F T RF AGC F T AGC F Bias CRG TR Jump value _ i Power Off F Bias display switching RF AGC switching CRG TR Jump CRG TR Jump Tracking Open MIN SEC TRK SEC TRKxx MINxxSECxx TRK xxMIN xxSEC xx TRK xxMIN y X SEC xx TRK xxMIN xxSEC xx 6 TRK8x MINgxSEC8x or TRKgxMINgxSEC 9 BAND Power Off TRK MIN SEC 1 TYP TRK MIN SEC 12dB TRK 12 MIN 12 SEC 12 2 Focus Close 5 FEQ measurement setting 00 MIN 00 SEC 00 TRK 01 MIN 01 SEC 01
37. 01 102 301 351 501 502 601 751 752 831 901 902 911 912 913 931 961 962 ooooo ooooo ooo 971 501 502 571 572 751 831 832 833 834 901 902 911 921 922 923 931 932 981 982 2 401 131 401 402 404 OOUUU 36 IC IC Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Arrester Inductor Ferri Inductor Inductor Inductor Tuner Amp Unit HA12187FP 00 007 5341 BD4834G TC7SETO8FU BA033FP 2SA1037K DTC124EK DTC124EK IMH3A 25 2412 IMD2A DTA114bEK IMD2A 2502375 DTC143EK 2502375 IMD2A 2502375 2581238 DTC114bEK IMX1 2581238 DTC114bEK 25 1036 DAN202U HZS9L A2 MPGO06G 6415G50 MPGO06G 6415G50 HZS9L B1 DAN202U DAN202U DAP202U DAP202U HZS6L B1 MPG06G 6415G50 HZS9L B3 1SR154 400 158154 400 158154 400 HZS7L C3 HZS7L A1 MPG06G 6415G50 MPG06G 6415G50 DSP 201M LCTA2R2J2520 LAU4R7K LAU1ROK LAU1ROK Inductor Inductor Inductor Choke Coil 600HH Radiator 12 58291MHz Switch DETACH SENSE Buzzer Fuse 10A FM AM Tuner Unit RESISTORS J
38. 01 RS1 16S121J C 1901 CKSRYB224K10 R 1902 RS1 16S2R2J C 1902 CSZS4R7M16 R 1904 851 165222 R 1905 51 165222 Unit Number 8758 R 1906 51 165473 Unit Name Panel Unit CAPACITORS MISCELLANEOUS 180 cemere C 1901 CKSRYB224K10 US NO C 1902 CSZS4R7M16 38 DEH P250 XM UC 1 2 3 4 Symbol No Part Name Part No Symbol No Part Name Part No RESISTORS R 901 RS1 16S104J R 902 RS1 16S473J R 1970 RS1 16S101J R 903 RS1 16S273J R 1971 RS1 16S101J 1972 RS1 16S0R0J CAPACITORS CAPACITORS C 101 CKSRYB104K16 C 102 CKSRYB104K16 C 1970 CKSRYB104K16 103 100gF 16V CCH1504 C 104 47uF 6 3V CCH1506 Unit Number CWX2708 C 106 CESRCHTOTISO Unit Name CD Core Unit S10 C 108 CKSRYB224K16 C 109 CKSRYB224K16 MISCELLANEOUS C 201 CKSRYB104K16 Ic 201 UPD63712GC E 208 IC 301 BA5996FP IC 701 NJM2391DL 1 33 Q 101 Transistor 2581132 EA ee D 101 Diode 155355 C 207 CKSRYB104K16 D 701 Diode 158154 400 Ee ages CIUS Cree X 201 Ceramic Resonator 16 934MHz 551603 5 901 Spring Switch HOME CSN1051 S 902 Spring Switch CLAMP CSN1051 121 5 903 Spring Switch DSCSNS CSN1052 C 212 CKSRYB104K16 S 904 Spring Switch 12EJ CSN1051 25 n 6 905 Spring Switch 8EJ CSN1051 C 215 CKSRYB104K16 RESISTORS C 216 CKSRYB103K25 C 27 CCSRCH560J50 R 101 RS1 10S1R5J C 218 CCSRCH5R0C50 R 102 RS1 10S1R5J C 219 CKSRYB104K16 R 103 RS1 1
39. 0S1R5J R 104 RS1 10S1R5J C 220 CKSRYB104K16 105 RS1 10S1R5J C 221 CKSRYB104K16 C 222 CKSRYB103K25 R 201 RS1 165102J C 223 CCSRCH680J50 R 202 RS1 16S1002D C 224 CCSRCH470J50 R 203 851 16510020 R 204 51 16510020 C 225 CKSRYB682K50 R 205 51 16510020 231 CKSRYB102K50 C 232 CKSRYB102K50 R 206 RS1 16S1002D 301 100pF 16V CCH1504 R 207 RS1 16S1002D C 302 CCSRCH221J50 R 208 851 16510020 R 209 51 16510020 C 303 CCSRCH221J50 R 214 RS1 16S103J C 304 CKSRYB472K50 C 305 CKSRYB103K25 R 215 RS 1 16S393J C 306 CKSRYB104K16 R 216 RS1 16S122J C 501 CKSRYB103K25 R 217 851 165562 R 218 RS1 165472J C 502 CKSRYB103K25 R 234 51 1650 0 C 702 100 16 CCH1504 C 708 CKSRYB224K16 R 235 51 165103 704 CKSRYB104K16 R 236 RS1 165103J C 705 10pF 6 3V CCH1470 R 301 RS1 16S183J R 302 RS1 16S822J Heras 95171651837 Miscellaneous Parts List Pickup Unit Service P10 CXX1641 R 1 M 1 Motor Unit SPINDLE CXB6007 d 202 Se eee M 2 Motor Unit LOADING CARRIAGE CXB8933 R 307 RS1 16S183J R 308 RS1 16S183J R 501 RS1 16S102J R 503 RS1 16S102J 505 RS1 16S102J R 506 RS1 16S221J R 507 RS1 16S221J R 508 RS1 16S221J R 509 RS1 16S221J R 601 RS1 16S101J R 602 RS1 16S101J R 603 RS1 16SOROJ DEH P250 XM UC 5 6 7 8 6 ADJUSTMENT 6 1 CD ADJUSTMENT 1 Cautions on adjustments In this product the single voltage 3 3V is used for the regulator The reference voltage is the REFO1 1 65 instead of the GND I
40. 1 911 2502375 89 IC IC301 PALOO7A 90 IC IC1902 TSOP4840SB1 91 Holder See Contrast table 2 92 Screw See Contrast table 2 93 Choke Coil L981 CTH1280 2 CONTRAST TABLE DEH P250 XM UC DEH P250 XN UC DEH P2500 XM UC DEH P2500 XN UC DEH P25 XM UC and DEH P25 XN UC are constructed the same except for the following Part No Mark Symbol and Description DEH P250 XM UC DEH P2500 XM UC DEH P25 XM UC 16 Panel CNS6935 CNS7309 CNS7309 35 Holder Unit CXB6681 CXB6681 CXB6681 63 Detach Grille Assy CXB9601 CXB9602 CXB9603 79 Keyboard Unit 8635 8635 CWMS8636 80 LCD LCD1901 CAW1759 CAW1759 CAW1760 87 Grille Unit CXB9629 CXB9630 CXB9631 91 Holder Not used Not used CNV7619 92 Screw Not used Not used BMZ40P140FTC Part No Mark No Symbol and Description DEH P250 XN UC DEH P2500 XN UC DEH P25 XN UC 16 Panel CNS6935 CNS7309 CNS7309 35 Holder CNC8659 CNC8659 CNC8659 63 Detach Grille Assy CXB9601 CXB9602 CXB9603 79 Keyboard Unit 8635 8635 CWM8636 80 LCD LCD1901 CAW1759 CAW1759 CAW1760 87 Grille Unit CXB9629 CXB9630 CXB9631 91 Holder Not used Not used CNV7619 92 Screw Not used Not used BMZ40P140FTC 10 DEH P250 XM UC 2 3 11 1024 1045 GEM1035 12 DEH P250 XM UC 1 2 3 4 CD MECHANISM MODULE SECTION PARTS LIST Mark No O Q N OND 11 13 14 1
41. 19 Arm CNV7221 Arm CNV7220 Arm CNV7222 Damper CNV7313 Damper CNV7314 Arm CNV7341 Arm CNV7342 Guide CNV7360 Guide CNV7361 Holder CNV7437 Arm CNV7444 Gear CNV7595 Damper CNV7618 Motor Unit M1 CXB6007 Chassis Unit CXB8728 Screw Unit CXB8729 Gear Unit CXB8731 Arm Unit CXB8732 Arm Unit CXB8735 Arm Unit CXB8852 Motor Unit M2 CXB8933 Bracket CNC9985 Screw JFZ20PO20FTC Screw M2x5 EBA1028 Screw JFZ20PO20FTC Screw JGZ17P022FTC Washer YE15FTC Washer YE20FTC Pickup Unit Service P10 CXX1641 Screw IMS26PO30FMC 7 8 13 1 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 1 BLOCK DIAGRAM Pruner unit 2 3 FM AM TUNER UNIT 18 19 20 21 ANTENNA CN401 IC EEPROM 5 0V 3 3V MIXER IF PICKUP UNIT SERVICE P10 14 DET DGND AUDIOGND i 0SCGND STUN 3 3V SYS 8 4V co 1 ooeo CN101 11 BUS 5 IP BUS DRIVER TUNL BUS L BUS L BUS L BUS L gt CDL 4 BUZZER EVST EVCK EVDT 1 TX 6 2 RX IC 101 IHA12187FP 8 HOLOGRAM UNIT FOCUS 1 TRACKIN
42. 20 ole 20 ote 20 ot FUNC AUDIO z UMP CREE 9 m E E E E LOUD 51924 51925 51926 m a e io to 2 9 m m m m 5 CH6 e e e P250 2500 25 LCD1901 CAW1759 1760 1803 1814 SML 310PT SML 310VT 1L1801 1802 CEL1651 CEL1662 R1805 1808 1811 1814 150 180 DEH P250 XM UC 5 6 7 8 SPINDLE MOTOR BLK M1 CXB6007 LOADING CARRIAGE MOTOR GR NZ M2 CXB8933 WH LCM2 CONT 5 16301 599 C301 100 16 1 2 3 mE 4 Pickup Unit Service P10 fia oe ep ee x x
43. 5 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39 40 41 42 43 44 45 Description CD Core Unit S10 Connector CN 101 Connector CN701 Screw Screw Screw M2x4 Screw M2x3 Screw M2x3 Washer Washer Washer Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Spring Shaft Frame Frame Bracket Bracket Arm Arm Lever Lever Sheet Collar Guide Arm Part No CWX2708 CKS4182 CKS4188 BMZ20P035FTC 720 040 CBA1362 CBA1511 CBA1527 CBF 1037 CBF1038 CBF1060 CBH2390 CBH2606 CBH2607 CBH2608 CBH2609 CBH2610 CBH2611 CBH2612 CBH2613 CBH2614 CBH2615 CBH2616 CBH2617 CBH2620 CBH2621 CBH2641 CBH2642 CBH2643 CBH2659 CBH2688 CBL1614 CLA3845 CNC9962 CNC9963 CNC9966 CNC9967 CNC9968 CNC9973 CNC9983 CNC9984 CNM8134 CNV6906 CNV6925 CNV7198 Mark No DEH P250 XM UC HH 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 71 78 79 80 81 82 83 84 85 86 87 88 89 90 91 7 8 Description Part No Rack CNV7199 Holder CNV7201 Holder CNV7202 Arm CNV7203 Gear CNV7207 Gear CNV7208 Gear CNV7209 Gear CNV7210 Gear CNV7211 Gear CNV7212 Rack CNV7214 Arm CNV7215 Arm CNV7216 Guide CNV7217 Roller CNV7218 Gear CNV72
44. 500mV div TIN 500mV div TIN 500mV div 32 Track Jump 100 32x3 Track Jump REFO REFO Mode Mode 5 3 RFAGC 1V div 500us div 49 RFAGC 1V div 5ms div TE 1V div TE 1V div CIN 500mV div CIN 500mV div 5 SIN 2V div amp SIN 2V div When reproducing scratch 1mm When reproducing fingerprint 65um RFAGC 1V div 500us div TE 1V div CIN 500mV div 5 SIN 2V div During inside outside search outer circumference inner circumference Ref Ref Ref REFO REFO Mode Mode Mode i Normal Normal i LOUT 1V div 200us div DSCSNS 5 200ms div D DSCSNS 5V div 200ms div 9 ROUT 1V div 2 CLCONT 5 CLCONT 5V div LOEJ 5V div LOEJ 5V div Analog Audio When Eject 12cm CD When Eject 8cm CD FEE AME ES ns as PEE ME ES ns dv Ref ENANZ Ref Ref AGND GND GND Mode Mode i Normal DEH P250 XM UC 5 m 6 7 8 27 4 CONNECTION DIAGRAM 4 1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams Connector Capacitor TUNER UNIT
45. 756 46578845 L 5 G 5 S 8 B K SHES 6 r sC 9 209 lt n 6 4 w 9 S a 2 x gt o o D o o gt 2 0 o6 o o x lt 8385 489 ON9Y TE aa T T 5 84 J J oat s sng 09 7 y Tusna8 2 ang SI p TETH 7990 2572 T pr sgpz Srn8 dl 9 4 n sor Sgpo Le INV B ETZE es o 1 a a w jm 4 PPEER SESS RPE A Je se o 2 7043 m aii 922222 TEETH2O nm nn z 62 FG G8 lt PCS M g 1225 213 19 gi 815 2 a m n n n zn n 2 09 3 313 3 zi 219 nup 0380135454 M Ml RN 3 Tet ozz 9 PES x s 519 VH23N 5 915 mln osyt ISXdrzd r m m z l D i ale E Sees E 2 SS b be Pk 125 Jo bBRE BB 2 2 Dk BB B b Hire ge k F enn
46. 903 RS1 16S821J 603 CCSRCH200J50 R 904 RS1 16S821J 604 CCSRCH200J50 R 905 RS1 16SOROJ 605 CEJO4R7M35 R 911 RS1 16S223J 606 CKSRYB104K25 R 914 RS1 16S152J 608 CCSRCH101J50 R 915 RD1 4PU152J 609 CCSRCH470J50 R 916 RS1 16S223J 611 CKSRYB104K25 R 921 RD1 4PU1R8J 652 CKSRYB105K10 R 931 RS1 16S104J C 729 CKSRYB473K50 R 932 RS1 16S473J C 751 CKSRYB224K10 R 933 51 165103 1752 CKSRYB102K50 R 934 RS1 16S473J C 753 CEJO101M16 R 935 RS1 16S472J 901 CEJO470M10 R 961 RS1 16S223J C 902 CKSRYB103K50 R 962 RS1 16S182J C 903 CKSRYB472K50 R 963 RD1 4PU1ROJ C 904 470yuF 16V CCH1331 DEH P250 XM UC 37 5 6 7 8 Circuit Symbol and No Part Name Part No Circuit Symbol and No Part Name Part No e 31 Unit Number CWMS8636 DEH P25 XM UC 913 CEJO101M16 DEH P25 XN UC C 921 CEJO220M10 Unit Name Keyboard Unit 922 CKSRYB103K50 MISCELLANEOUS C 923 CKSYB475K10 931 CKSRYB104K25 1901 PD6340A C 961 CKSRYB473K50 1902 TSOP4840SB1 D 1801 LED NSSW440 9159 D 1802 LED NSSW440 9159 Unit Number CWMB8635 DEH P250 XM UC DEH D 1803 SMEMOVE P250 XN UC DEH P2500 XM UC DEH P2500 XN UC Unit Name Keyboard Unit D 1804 LED SML 310VT D 1805 LED SML 310VT MISCELLANEOUS D 1806 LED SML 310VT D 1807 LED SML 310VT IC 1901 IC PD6340A D 1808 LED SML 310VT 1902 IC TSOP4840SB1 D 1801 LED NSSW440 9159 D 1809 LED SML 310VT D 1802 LED NSSW440 9159 D 1810 LED
47. AE ENNI 5 2 quem su 3419 S78 8 5 ice 1 99 33 b 75 239 eus oss Soru z oss soru 8 2 5 als Bes 5i 5 FhIE ONO 1307 z m lo x 949950 2 OHO alg 85 5 22805 aowou coved oa 5 ansa lt 5 woo gt Es 2 W az gt X X x N lt x WT O Q D X Z Z Z Z Z Z Z 858 9999 On E x 7900 os 8 82 ac ud lt oNL zv novso P uovuod ow DN H3T10HINOO 31545 sgp0 0 0 WV sN Sgp0 0 960 N3 ev OLVESAd ore CONST fo SSA PATIS wn oN T EIE 10921 SITW ONL Se gt S 19 DEH P250 XM UC
48. CEA3376 17 Carton See Contrast table 2 3 Spring CBH1650 18 Contain Box See Contrast table 2 4 Screw Assy CEA3445 19 Protector CHP2663 5 Fixing Screw BPZ20PO60FZK 20 Protector 2664 6 Screw CBA1002 21 1 Owner s Manual See Contrast table 2 7 Polyethylene Bag CEG 127 21 2 Installation Manual See Contrast table 2 8 Screw CRZ50PO90FTC 21 3 Warranty Card See Contrast table 2 9 Screw TRZ50PO80FTC 21 4 Card See Contrast table 2 10 Polyethylene Bag CEG 158 21 5 Caution Card See Contrast table 2 11 Handle CNC5395 22 Case Assy See Contrast table 2 12 Holder CND1249 23 Remote Control Unit CXC1265 13 Holder CND1250 14 Bush CNV3930 15 Polyethylene Bag CEG1173 6 DEH P250 XM UC 1 2 3 4 2 CONTRAST TABLE DEH P250 XM UC DEH P250 XN UC DEH P2500 XM UC DEH P2500 XN UC DEH P25 XM UC and DEH P25 XN UC are constructed the same except for the following Part No Mark No Symbol and Description DEH P250 XM UC DEH P2500 XM UC DEH P25 XM UC 17 Carton CHG4958 CHG4959 CHG4960 18 Contain Box CHL4958 CHL4959 CHL4960 21 1 Owner s Manual CRD3686 CRD3688 CRD3688 21 2 Installation Manual CRD3687 CRD3689 CRD3689 21 3 Warranty Card CRY1070 Not used Not used 21 4 Card Not used ARY1048 ARY1048 21 5 Caution Card Not used Not used CRP1294 22 Case Assy CXB3520 Not used Not used Part No Mark No Symbol and Description DEH P250 XN UC DEH P2500 XN UC DEH P25 XN UC 17 Car
49. D6340A Pin No Pin Name Function and Operation 1 5 SEG4 0 LCD segment output 6 9 COM3 0 LCD common output 10 VLCD LCD drive power supply 11 14 KST3 0 15 16 1 Key data input analogue input 17 REM Remote control reception input 18 DPDT Display data input 19 NC Not used 20 KYDT Key data output 21 MODA GND 22 X0 Crystal oscillator connection pin 23 X1 Crystal oscillator connection pin 24 VSS GND 25 26 KDT2 3 27 Not used 28 KST4 29 32 NC Not used 33 55 SEG35 13 LCD segment output 56 VDD Power supply 57 64 SEG12 5 LCD segment output PD6340A 32 149 17 64 TSOP4840SB1 DEH P250 XM UC 21 5 6 7 8 Pin Functions UPD63712GC Pin No Pin Name Function and Operation 1 LD Output of LD 2 PD Input 3 PN Assignment of pickup polarity 4 AVDD Power supply for the analog system 5 DGND Ground for digital circuits 6 RFOK 7 INTO Interruption signals to the external microcomputer 8 RST Input of reset 9 Command Parameter discrimination signal input 10 STB Data strobe signal input 11 SCK Serial data clock
50. G L 4 SPINDLE Q MOTOR 4 F E BD SERVO xTAL CONTROL DSP LPF DAC IC 201 50 SYSTEM CONTROLLER ASENBO IC 601 2 2 PE5341C UPD63712GC LOADING CARRIAGE MOTOR Q 74 5996 DSCSNS NJM2391DL 1 33 DEH P250 XM UC 2 TC7SETO8FU Q751 XSI FLPILM EJECTIN DETACH SENSE 651 BD4834G cN351 PRE OUT RL RL 4 RL Q351 2 TUNPCE1 TUNPDI TUNPDO TUNPCK VDD REGULATOR Q901 VDD T ou SYSTEM CONTROLLER 2 601 1 2 41 DALMON SENSE 8 16 Fo 2116 BACK UP 0931 a gt E 14 ACC SENSE V 15 15 GND ELECTRONIC VOLUME BU SOURCE SELECTOR POWER AMP Naa 7 7 216131 0 20301 5 5 FL PMLO03AM 12 PALOO7A gt 8 RL gt RL IN3 L UID SIN REM gt 6 6 RL bl 11 11 d B REM MUTE IST EVCK EVDT 0502 SYS 8 4V REGULATOR 0911 0912 SYS 84V MUTE Di D e 0913 SYSPW TUNER 3 3V REGULATOR IC 921 1 TUN 3 3V SYS 84V BUT V CN831 BU c 0831 6 unit 9 CN1901 0961 ILB ILB sus t BL B Q962 Q971
51. J vis 222 2122 222 212 20000 22 DEH P250 XM UC 101 102 103 104 105 106 107 108 109 110 111 112 113 114 131 132 133 137 138 139 140 141 142 301 302 303 304 351 352 359 360 401 403 404 405 406 501 502 504 601 603 605 606 607 618 LAU2R2K LAU2R2K LAU2R2K CTH1280 CSS1402 CSN1039 CPV1062 CEK1208 CWE1646 RS1 16S150J RS1 16S470J 851 165101 851 165101 51 165181 851 165181 RS1 16S223J RS1 16S223J RS1 16S102J RS1 16S102J RS1 16S222J RS1 16S103J RS1 16S332J RS1 16S562J RS1 16SOROJ RS1 16SOROJ RAB4C102J RS1 16S101J 851 165101 51 165101 851 165101 RS1 16SOROJ RS1 16SOROJ RS1 16S153J RS1 16S103J RS1 16S103J 851 165331 RS1 165821J 851 165821 RS1 16S223J RS1 16S223J 851 165681 RS1 16S122J RS1 165681J 851 165681 851 165681 RS1 16S103J RS1 16S473J RS1 16S102J RS1 16S102J 851 165473 RS1 16S102J RS1 16S473J RS1 16S104J RS1 16S104J Circuit Symbol and No Part Name Part No Circuit Symbol and No Part Name Part No R 619 51 16516020 965 RS1 16S182J R 620 RS1 16S473J R 971 51 165153 621 RS1 16S473J R 972 RS1 16S153J R 622 RS1 16S473J R 973 RS1 16S222J R 623 RS1 16S473J R 981 RD1 4PU102J R 624 RS1 16S473J R 4721 RD1 4PUOROJ R 625 RS1 16S473J R 9101 RD1 4PUOROJ R 626 RS1 16S681J R 9403 RD1 4PUOROJ R 627 RS1 16S681J R 628 RS1 16S681J CAPACITORS R 640 RS1 16SOROJ 101 CKSR
52. OUT4 MUTE OUT4 P GND4 SWITCH 50 lt 8 Protector Over voltage t t Reference amp_vcc Stand by Circuit lt 1 Protector Detection Offset Detection and x La T o E N v T Protector Short circuit 8 oi M T LOA T 1 E Offset 00 Detection DE T lt lt t i Offset Detection Ie N i 1 i N 5 1 Protector Over current limit s Mute circuit m DEH P250 XM UC 3 5 Em 6 HH 7 HR 8 Pin Functions P
53. Pioneer sound vision soul Service Manual DEH P250 XM UC CRT2981 MULTI CD CONTROL HIGH POWER CD PLAYER WITH FM AM TUNER DEH P250 D EH P2500 XM UC XN UC D E H P25 XM UC XN UC COMPACT DIGITAL AUDIO This service manual should be used together with the following manual s Model No Order Mech Module Remarks CX 3026 CRT2944 510 CD Mech Module Circuit Description Mech Description Disassembly E e For details refer to Important symbols for good services PIONEER CORPORATION 4 1 Meguro 1 Chome Meguro ku Tokyo 153 8654 Japan PIONEER ELECTRONICS USA INC 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 O PIONEER CORPORATION 2002 K ZZA OCT 2002 Printed in Japan SAFETY INFORMATION CAUTION This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Oualified technicians have the necessary test equipment and tools and have been trained to properly and safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair o
54. QO ay pales 0 IDUNOS sseid papasul seu 09 P Ssieedde 4015 12 sued N3dO 55944 L Buikejd y SMOYS 49941 ju9J JO pesdeje ay 6 euim D aefejd GD urging 4nof QO p 01 55 08 50915 21560 y eseu punos y 15 oj sn v e GD m LLI LL DEH P250 XM UC s JILL ON sip 101 peJejue useq seu enn ou Ke dsip u si 251 Buifejd 84 JO enn eui LLL DISIA 122195 nof enn 2510 TLL 2sia euim sBumjes 94 YOMS Ajpejeedeu 45 55914 1451 55944 e osip e peu Seu jeu 0810 Aue enn eui Aejdsip ueo sep n sip 8981 001 0 dn 40 913 ugo JaKe d e 29 J e euo 2851 MOU Ul u q seu SOSIP gp 10 sayy e C GD urina Deuesulai SI ISIP aui pue q9 uaeq seu
55. SML 310VT D 1803 LED SML 310PT D 1811 LED SML 310VT D 1812 LED SML 310VT D 1804 LED SML 310PT D 1813 LED SML 310VT D 1805 LED SML 310PT D 1806 LED SML 310PT D 1814 LED SML 310VT D 1807 LED SML 310PT D 1901 Diode DAN202U D 1808 LED SML 310PT D 1902 Diode DAP202U X 1901 Ceramic Resonator 4 97MHz 551422 D 1809 LED SML 310PT IL 1801 Lamp 14V 40mA CEL1662 D 1810 LED SML 310PT D 1811 LED SML 310PT IL 1802 Lamp 14V 40mA CEL1662 D 1812 LED SML 310PT LCD1901 LCD CAW1760 D 1813 LED SML 310PT RESISTORS D 1814 LED SML 310PT D 1901 Diode DAN202U R 1801 851 165151 D 1902 Diode DAP202U R 1802 851 165151 1901 Ceramic Resonator 4 97MHz CSS1422 R 1803 51 165151 IL 1801 Lamp 14V 40mA CEL1651 R 1804 851 165181 R 1805 851 165181 IL 1802 Lamp 14V 40mA 1651 LCD1901 LCD CAW1759 R 1806 851 165181 R 1807 RS1 16S181J RESISTORS R 1808 851 165181 1809 851 165181 R 1801 851 165151 R 1810 51 165181 1802 851 165151 R 1803 851 165151 R 1811 851 165181 R 1804 RS1 16S181J 1812 RS1 16S181J R 1805 851 165151 R 1813 851 165181 R 1814 851 165181 R 1806 RS1 16S181J R 1815 851 165181 R 1807 RS1 16S181J R 1808 RS1 16S151J R 1901 RS1 16S121J R 1809 RS1 16S181J R 1902 RS1 16S2R2J R 1810 RS1 16S181J R 1904 851 165222 1905 851 165222 R 1811 51 165151 1906 RS1 16S473J R 1812 RS1 16S181J R 1813 851 165181 CAPACITORS R 1814 851 165151 R 1815 851 165181 C 1801 CKSRYB104K16 C 1802 CKSRYB104K16 R 19
56. Source keys Operative SYSPW lt H Pin 21 Completes power on operation After that proceed to each source operation 58 DEH P250 XM UC 1 2 3 4 5 6 7 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 P250 XM UC 59 8 OPERATIONS Head unit D CLOCK button Press to change to the clock display 2 DISPLAY button Press to select different displays 3 PAUSE button Press to turn pause on or off 4 AUDIO button Press to select various sound quality con trols 9 OPEN button Press to open the front panel A Y 4 buttons Press to do manual seek tuning fast for ward reverse and track search controls Also used for controlling functions FUNCTION button Press to select functions 60 BAND button Press to select among three FM and one AM bands and cancel the control mode of functions LOUDNESS button Press to turn loudness on or off 1 6 buttons Press for preset tuning and disc number search when using a multi CD player 1 SOURCE button This unit is turned on by selecting a source Press to cycle through all of the available sources 2 VOLUME Press to increase or decrease the volume 43 EQ button Press to select various equalizer curves DEH P250 XM
57. WITCH ON OFF GND DIN 425 5903 DSCSNS SWITCH ON OFF RF AMP SERVO DSP D GN S904 12EJ SWITCH ON OFF LPF 5905 8EJ SWITCH ON OFF LIMIT 42 TID HOME The underlined indicates the switch position gt 4 10201 META dd NOTE E gt EMPH GND s gt ES UPD64712GC 37 i PGND Actuator Motor Driver VDD D GND REFOUT cis SS Uno m BLCK 35 These GND s not connected to gt 34 each other 3 ORT PGND is connected to floating EO gt OWFCK mechanism part by a screw ADCIN LOCK FR LOCK TE C2D3 SHOCKD SBSY 30 TEO C2D2 LMUTE TE2 c201 RMUTE S Monitor land side A 222 25 Mi Monitor land side B GN WMSW e 8 E 8 8 E 8 a 50026 ___ joe Land for manual soldering gt GOENSE gt gt lt 1 248 lt GO y lt N N N o G O X O 3 X S x y A OO FI w Ayala RF K 8234 RS 0289 227885 ORO 470P FL e iu ow c CORE UNIT S10 3R3VD acer TIPS 5 5 GND T PEPER i 721 44953 9 2 8 E RUN qe
58. YB104K25 R 651 RS1 16S102J 131 CEJO1ROM50 R 652 RS1 16S 183J 132 CEJO1ROM50 R 713 RS1 16S104J 133 CKSRYB104K25 R 716 RS1 16S221J 134 CKSRYB104K25 R 724 RS1 16S104J 135 CEJO1ROM50 R 727 RS1 16SOROJ 136 CEJO1ROM50 R 728 RS1 16SOROJ 137 CEJO1ROM50 R 729 RS1 16S221J 138 CEJO1ROM5O R 730 RS1 16S221J 139 CEJO470M16 R 731 RS1 16S221J 140 CKSRYB104K25 R 732 RS1 16S221J 143 CEJO100M16 R 733 RS1 16S102J 145 CKSRYB105K10 R 735 RS1 16S221J 146 CKSRYB105K10 R 736 RS1 16S221J 147 CKSRYB153K50 R 737 RS1 16S221J 148 CKSRYB153K50 R 740 RS1 16S102J C 301 CKSRYB474K10 R 741 RS1 16S221J C 302 CKSRYB474K10 R 742 RS1 16S221J C 303 CKSRYB474K10 R 749 RS1 16SOROJ C 304 CKSRYB474K10 R 751 RD1 4PU821J C 305 CKSRYB474K10 R 752 RD1 4PU221J C 306 CKSRYB474K10 R 753 RS1 16S222J C 307 CKSRYB474K10 R 754 RS1 16S472J C 308 CKSRYB474K10 R 757 RD1 4PUOROJ C 309 CEHAR330M 10 R 831 RS1 16S222J C 310 3300yF 16V CCH1486 R 832 RS1 16S222J C 311 CKSRYB104K25 R 833 RS1 16S222J C 312 CEHAR100M16 R 834 RS1 16S222J 313 CKSOYB225K10 R 835 RS1 16S473J C 314 CKSOYB225K10 R 836 RS1 16S473J C 351 CEJO100M16 R 837 RD1 4PU391J C 352 CEJO100M16 R 838 RS1 16S102J 401 CKSRYB103K50 R 839 RS1 16S102J 402 CEJO470M6R3 R 840 RS1 16S102J 403 CKSRYB103K50 R 841 RS1 16S102J 404 CKSRYB103K50 R 845 RS1 16S102J 405 CEJO101M16 R 901 RD1 4PU221J 407 CKSYB475K10 R 902 RS1 16S223J 602 CKSRYB105K10 R
59. ay ul z 1 201 8 9 5 5 2207 uo Burun 1995 20 UIN 0 55944 Z e dsip ay sjeedde Tv201 Inun 55974 201 09125 01 55944 L 20 5 A jueroins ud 54011846 9504 AJUO ur eun 519 Bulun y s 8201 sjeuBis 5 Buiunj 9 Bulun peuBisse sojuanboj uon 215 E29J A y esn osje e ul eq UBD suonejs 9 pue spueq WA 94 JO 9 suonejs AJ 81 OLAN 71 pej e2eJ 5 011235 eui 9 1 Dui UN wes y euin 1xeu 241 ui peJ0 s uaeq seu uonejs 0109 941 uay pue Jequunu asaid y ul usej pessaJd e eu Jequunu 54015 jequinu 325944 hun pue 9 1 Burun 1 e 55944 ur 94015 0 JUEM e noA e uoynq 2 10 YONO L994 10 8810 xis 0 dn 21015 Ajisea UBD nof 9 yesaid y Jo sseJd nof sopuoenboJ 5 pue e
60. e se e qeduioout yey au auo se yonpoud PUN 03 Jas si eur Yay y 195 ou uSuM HUN SIU 01198 51 9SID ou SIU 01 po1oeuuoo jou SI 824nos yun e U UAA eDueuo jou HM punos ay sese aut uj s jon 7 saunos A eld uring 5 se unos J4eun INX A unj UOISIA L seounos YOUMS o uoee 55944 e 122125 0 GD 10 HANNL 55944 1043402 Buisn u YM Z xnVv z Hun 3 q5 njniN 4eunj INX 4eun uoisiAS a 4o e d 580 05 Buiwojo 941 U99 8q yms jpejeadau 39Hf10S 55914 anos e 329125 03 32815 55944 ay L jun siy ui osip peo 4efejd qO eut OL 0 U8js VNOS e 409185 ULI 924nos e uo jun eounos e 0888 u uAA uo y UN 03 38105 55944 e y J4O NO 1 DEH P250 XM UC 9
61. ection data output 27 ROMCLK ROM correction clock output 28 ROMCS ROM correction chip select output 29 31 NC Not used 32 TUNPCE2 PLL chip enable output2 33 VST E VOL Strobe output 34 VCK Clock output 35 VDT E VOL Data output 36 ANTPW Antenna power output 37 MUTE System mute output 38 39 NC Not used 40 VSS GND 41 VDD Power supply 42 RDS57K 57kHz count pulse input 43 DRST RDS Decoder reset output 44 RDSLK RDS Decoder clock input 45 RDT RDS Decoder data input 46 DORAON TUNER power supply 47 57 NC Not used 58 STRKEY2 Steering remote controller input 59 CDLOEJ CD Load Moter Load Eject output 60 CLCONT CD Driver input switch output 61 CONT Servo driver power supply control output 62 PCL Clock adjustment 63 CLAMPSW Clamp SW input 64 VDCONT CD VD power control output 65 XSCK TSCK LSI clock output 66 XSI TSI LSI data input 67 XSO TSO LSI data output 68 XAO LSI command data control output 69 XRST CD 15 reset control output 70 XSTB 151 strobe output 71 ASENBO IP BUS Slave power supply control output 72 EMUTE Mute control output 73 TEST GND 74 SL C TUNER Signal level input 75 STRKEY1 Steering remote controller input 48 DEH P250 XM UC 1 2 3
62. f this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer birth defects or other reproductive harm Health amp Safety Code Section 25249 6 Proposition 65 Important symbols for good services In this manual the symbols shown below indicate that adjustments settings or cleaning should be made securely When you find the procedures bearing any of the symbols be sure to fulfill them 1 Product safety should keep the safety during servicing by following the safety instructions described in this manual You should conform to the regulations governing the product safety radio and noise other regulations and 2 Adjustments To keep the original performances of the product optimum adjustments or specification confirmation is indispensable In accordance with the procedures or instructions described in this manual adjustments should be performed 3 Cleaning M For optical pickups tape deck heads lenses and mirrors used in projection monitors and other parts requiring cleaning g proper cleaning should be performed to restore their performances 4 Shipping mode and shipping screws EE To protect the product from damages or failures that may be caused during transit the shipping m
63. f you should mistakenly short the REFO1 with the GND during adjustment accurate voltage will not be obtained and the servo s misoperation will apply excessive shock to the pickup To avoid such problems a Do not mix up the REFO1 with the GND when connecting the probe of measuring instruments Especially on an oscilloscope avoid connecting the probe for CH1 to the GND b In many cases measuring instruments have the same potential as that for the probe Be sure to set the measuring instruments to the floating state If you have mistakenly connected the to the GND turn off the regulator or the power immediately Before mounting and removing filters or leads for adjustment be sure to turn off the regulator For stable circuit operation keep the mechanism operating for about one minute or more after the regulator is turned on the test mode any software protections will not work Avoid applying any mechanical or electrical shock to the mechanism during adjustment The RFI and RFO signals with wide frequency range are easy to oscillate When observing the signals insert a resistor of 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 2 Test mode This mode is used to adjust the CD mechanism module To enter
64. hen the mechanism should be judged to be at fault Note 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 P250 XM UC 1 2 3 4 Grating waveform 0 Ech Xch Fch Ych pee 459 75 20mV div AC 20mV div AC 30 60 90 DEH P250 XM UC 6 3 ERROR MODE Error Messages If a CD is not operative or stopped during operation due to an error the error mode is turned on and cause s of the error is indicated with a corresponding number This arrangement is intended at reducing nonsense calls from the users and also for facilitating trouble analysis and repair work in servicing 1 Basic Indication Method 1 When SERRORM is selected for the CSMOD CD mode area for the system error codes are written to DMIN minutes display area and DSEC seconds display area The same data is written to DMIN and DSEC DTNO re
65. ing sensitivity Signal to noise ratio Distortion uua Frequency response Stereo separation Selectivity 16 linear 5 20 000 Hz 1 dB 94 dB 1 kHz IHF A net work 92 dB 1 kHz 2 stereo 87 9 107 9 MHz 8 dBf 0 7 uV T5 mono S N 30 dB 10 dBf 0 9 uV 15 mono 75 dB IHF A network 0 3 96 at 65 dBf 1 kHz stereo 0 1 96 at 65 dBf 1 kHz mono 30 15 000 Hz 3 dB 45 dB at 65 dBf 1 kHz 80 dB 200 kHz Three signal intermodulation desired signal level AM tuner Frequency range Usable sensitivity Signal to noise ratio DEH P250 XM UC 7 30 dBf two undesired sig nal level 100 dBf 530 1 710 kHz 10 kHz 18 S N 20 dB 65 dB IHF A network 2 EXPLODED VIEWS AND PARTS LIST 2 1 PACKING 7 N amp No Ss eS 7 r a 6 P Parts marked by are generally unavailable because they are in our Master Spare Parts List Screws adjacent to V 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 1 PACKING SECTION PARTS LIST Mark No Description Part No Mark No Description Part No 1 Cord Assy CDE7060 16 Battery CEX1065 2 Accessory Assy
66. l 2 MDX 500mV div 5ms div 42 MDX 500mV div 5us div 5 SIN 1V div amp SIN 1V div Spindle waveform during Play Spindle waveform during Play Magnified Ref Ref REFO REFO Mode Mode Normal Normal FIN 500mV div 200ms div 40 TE 500mV div 2ms div FE 500mV div RFAGC 500mV div Focus Search Ref REFO Mode TEST 26 When Tracking Open Ref REFO Mode TEST DEH P250 XM UC 2 3 Note 1 The encircled numbers denote measuring points in the circuit diagram 2 Reference voltage REFO1 1 65V 5 SIN 1V div 2s div CIN 500mV div TIN 500mV div When setting up after loading a 12cm CD DA disc Ref REFO A Mode Normat FE FIN TE TIN During al Ref REFO Mode Normal 3 RFAGC f ing ln 500mV div 500mV div 500mV div 500mV div Play CD DA 20ms div 500mV div RF eye pattern Ref REFO Mode Normal RFAGC 1V div TE 500mV div TIN 500mV div 1 Track Jump Ref REFO Mode TEST Winn 0 5us div 500us div 7 8 RFAGC 1V div 500us div TIN 1V div TE 1V div FIN 1V div When reproducing black dots 1mm Ref REFO Mode apl Normal al 5 6 EH 43 RFAGC 1V div 500ms div RFAGC 1V div 5ms div TE 500mV div TE
67. m P iN v x 318 88 PISIS Y Y x Mz 8 du 2 3 8 898 ex t 5902 x X U dz X X X X eL Sie RR 80 Hs ow aS MET vaa 9 mw B r o gt 5 6795 Cep 0 m Dov 5 _ 8 122 zt acne 2 a e dr y Taza 4 1 25 E 2 1 26 ns MR 4 z060 S an 93H AG GGA 8 SAS ez ossstvd osoodn XI s ee 08 a 1307 E iG pod gt gt 21 5 dE pee SNasv a Ed gt 54558 1 285 PL g TOANAL 5 1412 ens t gt LOAM rze oe ana f Pals 21 DEH P250 XM UC 3 3 LCD1901 SEGO SEG1 SEG2 SEG3 SEGA SEGS SEGG SEG7 SEG8 SEGS SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 COMO COM1 COM3 SEG36 SEG37 SEG38 SEG39 SEG19 45 44 5 SEG 43 28 39 38 37
68. mains in blank as before 2 Head unit display examples Depending on display capability of LCD used display will vary as shown below xx contains the error number 8 digit display 2 Error Code List 6 digit display ERR xx 4 digit display E xx Code Class Displayed error code Description of the code and potential cause s 10 Electricity Carriage Home NG SERVO LSI Com munication Error CRG can t be moved to inner diameter CRG can t be moved from inner diameter Failure on home switch CRG move mechanism Communication error between microcomputer and SERVO LSI 11 Electricity Focus Servo NG Focusing not available Stains on rear side of disc or excessive vibrations on REWRITABLE 12 Electricity Spindle Lock NG Spindle not locked Sub code is strange not readable Subcode NG Failure on spindle stains or damages on disc or excessive vibrations A disc not containing CD R data is found Turned over disc are found though rarely CD signal error 17 Electricity Setup protection doesn t work Focus be easily lost Damages or stains on disc or excessive vibrations REWRITABLE 30 Electricity Search Time Out Failed to reach target address CRG tracking error or damages on disc 44 Electricity ALL Skip Skip setting for all track CD R RW 50 Mechanism CD On Mech Erro
69. ode should be set or the shipping screws should be installed before shipping out in accordance with this manual if necessary 5 Lubricants glues and replacement parts p Appropriately applying grease or glue can maintain the product performances But improper lubrication or applying glue may lead to failures or troubles in the product By following the instructions in this manual be sure to apply the 4 prescribed grease or glue to proper portions by the appropriate amount For replacement parts or tools the prescribed ones should be used e DEH P250 XM UC 1 2 3 4 SAFETY NFORMAT O N Sa 2 T SPECIFICAT ONS cL LP 4 2 EXPLODED VIEWS AND PARTS 6 2 T PAGKING 2 LCD 6 2 2 EXTERIOR C 8 2 3 MECHANISM epis Nc 12 3 BLOCK DIAGRAM AND SCHEMATIC 14 14 3 2 OVERALL CONNECTION DIAGRAM GUIDE PAGE 16 dcad io BN yep 22 5 MODULE 24 4 PCB CONNECTION DIAGRAMu ecce food tede 28 4 T TUNER AMP U INIT eicit 28 4 2 iie rede
70. or audio data 50 LRCK Output LRCK for audio data 51 DVDD Power supply for digital circuits 52 FD Output of focus drive PWM 53 FD Output of focus drive PWM 54 TD Output tracking drive 55 TD Output of tracking drive PWM 56 SD Output of thread drive PWM 57 SD Output of thread drive PWM 58 MD Output of spindle drive 59 MD Output of spindle drive PWM 60 DGND Ground for digital circuits 52 DEH P250 XM UC 1 3 4 5 6 HH 7 Pin No Pin Name Function and Operation 61 TESTEN Connected to GND 62 66 TEST4 0 Connected to GND 67 ADGND GND for DAC 68 EFM Output of EFM signals 69 ASY Input of asymmetry 70 ADVDD Power supply for DAC 71 RFI Input 72 73 EO2 1 Equalizer 2 1 74 RF Reversal input of RF 75 RF2 Reversal input RF2 76 AGCO Output of 77 AGCI Input 78 79 ATEST Analog tests 80 C3T Connection to the capacitor for detecting 3T 81 AGND Ground for the analog system 82 A Input of A 83 C Input of C 84 B Input of 85 D Input of D 86 F Input of F 87 E Input of E 88 VREFIN Photo detector input bias voltage 89 AVDD Power supply for the analog system 90 REFOUT Output of reference voltage 91 REFC Connected to the capacitor for outpu
71. or preamplifier for thread 25 OPOUT3 CH3 preamplifier output pin 26 Input pin for inverting input for CH3 preamplifier 27 OPIN3 Input pin for non inverting input for CH3 preamplifier 28 PREVCC PreVcc 5996 NJM2391DL 1 33 14 1 15 28 DEH P250 XM UC 1 2 3 Tuner Unit ROM VDD 3 EEPROM 5 0V MIXER IF AMP 2 IC 1 2 5V 3 3V DET FM MPX pus N RFGND OSCGND AUDIOGND S S Explain AM antenna input AM antenna input high impedance AMANT pin is connected with an all antenna by way of 4 7uH LAU type inductor A series circuit including an inductor and a resistor is connected with RF ground for the countermeasure against the ham of power transmission line RF ground FM antenna input Ground of antenna block Input of FM antenna 750 Surge absorber DSP 201M S00B is necessary power supply The power supply for analog block D C 8 4V 0 3V signal level
72. r Mechanical error during CD ON Defective loading motor mechanical lock and mechanical sensor Power Supply Power VD is ground faulted Failure on SW transistor or power supply failure on connector Remarks Mechanical errors are not displayed because a CD is turned off in these errors Unreadable TOC does not constitute an error An intended operation continues in this case Upper digits of an error code are subdivided as shown below 1x Setup relevant errors 3x Search relevant errors Ax Other errors 44 DEH P250 XM UC 3 EN 4 7 GENERAL INFORMATION 7 1 DIAGNOSIS 7 1 1 DISASSEMBLY Removing the Case not shown 1 Remove the Case Removing the CD Mechanism Module Fig 1 CD Mechanism Module gt Remove the four screws Disconnect the connector and then remove the CD Mechanism Module Removing the Grille Assy Fig 1 Remove the two screws and then remove the Grille Assy Removing the Tuner Amp Unit Fig 2 Remove the screw Remove the three screws Straight the tabs at three locations indicated Remove the screw and then remove the Tuner Amp Unit 5555 Tuner Amp Unit Fig 2 45 1 2 3 4 How to hold the Mechanical Unit 1 Hold the top and bottom frame 2 Do not squeeze top frame s front portion too tight because it is fragile
73. son 9 asned pauin yey 3ujod euues 9 1e 84 g d Aejdsip eui u sueadde 440 3sn vd esned 0 A 55944 sesned x29 juauno aul 10 Aejdsip y u NO 3Sn Vd uo esned 5944 Z fejdsip ay ur sjeedde asnvd Inun NOLLINNA 55929 95 122125 03 55924 94 Jo yoeghe d A ue10duJe1 nof 5181 esneg ypeqAejd Jo yoRq ewou si 12810 Buiuueos 191v ssaid Aq NYDS 109128 ejdsip xoegKe d y seu enunuoo yoes 94 Aejdsip ay ui sieedde 340 25 ue s A 559 4 ay 2 65 DEH P250 XM UC 3Z4090d40ZZd8 suonisod uSridn 5 y 03 pued 7 6vcLONO PPH OScLONO Jo sapis qjoq o qoepy sty 0 poued yuo pue SMOIOS per ddns y oueq 10014 Surove dosg pue 9 94 op JI Jaueg BurxiJ DEH P250 XM UC 66 Joxeods p iq Jo
74. t of REFOUT 92 FE Reversal input of FE 93 FEO Output of FE 94 ADCIN TEST 95 TE Reversal input of TE 96 TEO Output TE 97 TE2 2 98 99 AGND Ground for the analog system 100 PWMSW Servo PWM mode switching UPD63712GC 2 al 51 25 75 S DEH P250 XM UC 6 7 53 Pin Functions BA5996FP Pin No Pin Name Function and Operation 1 VR Input pin for reference voltage 2 OPIN2 Input pin for non inverting input for CH2 preamplifier 3 OPIN2 Input pin for inverting input for CH2 preamplifier 4 OPOUT2 Output pin for CH2 preamplifier 5 OPIN1 Input pin for non inverting input for CH1 preamplifier 6 OPIN 1 Input pin for inverting input from CH1 preamplifier 7 1 Output pin for CH1 preamplifier 8 GND Ground pin 9 MUTE Mute control pin 10 POWVCC1 Power supply pin for CH1 CH2 and CH3 at Power stage 11 VO1 Driver CH1 Negative output 12 VO1 Driver CH2 Positive output 13 VO2 Driver CH2 Negative output 14 VO2 Driver CH2 Positive output 15 VO3 4 Driver CH2 Positive output 16 Driver CH2 Negative output 17 4 Driver Positive output 18 VO4 Driver CH4 Negative output 19 POWVCC2 Power supply pin for CH4 at Power stage 20 GND Ground pin 21 CNT Control pin 22 LDIN Loading input 23 OPOUTSL Output pin for preamplifier for thread 24 OPINLSL Input pin f
75. ton CHG4972 CHG4973 CHG4974 18 Contain Box CHL4972 CHL4973 CHL4974 21 1 Owner s Manual CRD3686 CRD3688 CRD3688 21 2 Installation Manual CRD3687 CRD3689 CRD3689 21 3 Warranty Card CRY1070 Not used Not used 21 4 Card Not used ARY1048 ARY 1048 21 5 Caution Card Not used Not used CRP1294 22 Case Assy CXB3520 Not used Not used Owner s Manual Installation Manual Model Part No Language DEH P250 XM UC CRD3686 English French Spanish DEH P250 XN UC CRD3687 DEH P2500 XM UC CRD3688 English French Spanish DEH P2500 XN UC DEH P25 XM UC CRD3689 DEH P25 XN UC DEH P250 XM UC 5 6 7 8 2 2 EXTERIOR x x x DEH P250 XM UC 1 EXTERIOR SECTION PARTS LIST DEH P250 XM UC Mark No Description Part No 1 Remote Control Unit CXC1265 2 Cover CNS7068 3 Screw 15526 4 Screw BMZ30P040FZK 5 Screw 5726 060 6 Screw 5730 060 7 Screw BSZ30P200FTC 8 Cord Assy CDE7060 9 Cable CDE7188 10 CD Mechanism Module S10 CXK5600 11 Case CNB2793 12 Earth Plate CNC8915 13 Cushion CNM4870 14 Insulator CNM7935 15 Insulator CNM8174 16 Panel See Contrast table 2 17 Tuner Amp Unit 8618 18 Screw ASZ26PO60FTC 19 Screw 726 080 20 Screw BSZ26P160FTC 21 Fuse 10A CEK1208 22 FM AM Tuner Unit 1646 23 Holder CND1054 24 Pin Jack CN351 CKB1059 25 Plug CN981 CKM1376 26 Connector CN101 CKS3408 27 Plug CN831 CKS3537 28 Connector CN721 CKS3835 29 Antenna Jack CN401
76. ui s Kejdsip ay spuodes 1noqe uonouni ay jou nof aNvg ssaid ejdsip y 0 Buiuni yees 0 suonejs 1598 IS suogoun 84 eq 0 Ajpejeede NOLLINNG 5894 Aejdsip 5944 e paloajas ueeq seu jeu sous Jequinu uo si Bulun e20 SMoUS 201 snjejs UO JOUN 34 SMOYS Aejdsip uolesado 19 jo uon npomul FK aaun 63 DEH P250 XM UC peKeid si uoee 013819 y sueedde 25 uo ue s 55944 Z Ke dsip y ui suzadde NV2S NOLLINNA 55224 25 329125 55944 L 42 24 uo 201 yore 10 Spuo28s 0 1844 34 519 ueos spen u enunuoo 84084 Ag dsip y ur saeedde 440 Aejd uin A 5944 e ui 59284 Ag dsip y ui saeedde NO uo e d 55944 Z ay sjeedde WAY jun NOLLINNA 55914 32eJes 03 NOLLINN 55944
77. us best considered as a last resort However if the PU unit must be changed the grating should be checked using the procedure below Purpose To check that the grating is within an acceptable range when the PU unit is changed Symptoms of Mal adjustment If the grating is off by a large amount symptoms such as being unable to close tracking being unable to perform track search operations or taking a long time for track searching Method Measuring Equipment Oscilloscope Two L P F Measuring Points E F REFO1 Disc ABEX TCD 782 Mode TEST MODE CD CORE UNIT S10 Xch Oscilloscope Checking Procedure 1 In test mode load the disc and switch the 3V regulator on 2 Using the gt lt buttons move the PU unit to the innermost track 3 Press key 3 to close focus the display should read 91 Press key 2 to implement the tracking balance adjustment the display should now read 81 Press key 3 The display will change returning to 81 on the fourth press As shown in the diagram above monitor the LPF outputs using the oscilloscope and check that the phase difference is within 75 Refer to the photographs supplied to determine the phase angle If the phase difference is determined to be greater than 75 try changing the PU unit to see if there is any improvement If after trying this a number of times the grating angle does not become less than 75 t
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79. xeods T pros jeuondo SUISN suorooeuuoo sIoxvods pojoouuoo jou jeu 1oxeods joouuoo jou op 1o vods PIOA 14614 ye xoe q Ae10 J M 9 Joyeads 10014 1 5 11014 IUM JONUOS urojs g EN N K oje1edos pios 58 yoy spioo Surjoouuo Od A 00 euuojue ojny oy jo o1juoo urojs s 9 A oxeedos pos Z 91989 Sr1q dI eng Sng dI euuojuy Cd o orqoa 18 Joerg HHO NO A yams 210912 OL uonisod qojras uonrusr 10 58 8 op y A SYL 87 DEH P250 XM UC

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