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Contents
1. BL Groundfor digital circuits 6 RFOK OutputofRFOK o O O 7 INTO O Interruption signals to the external microcomputer REST Inputofreset 9 A0 Command Parameter discrimination signal input 10 578 Datastrobesignalinpt C J 11 SCK Serial data clock input 12160 0 Senaldataouput 00000202020 13115 Serialdatainput 202020 14 DVD Power supply for digital circuits 15 DAVDD PowersuppyforDAC O 16 ROUT Outputofaudiofortherightchannel o Z 17 DAGND GNDforDAC 0 r c 0 0 O 18 REGC Connected to the capacitor for band gap 19 DAGND GNDforDAC 0 0 0 ____20 LOUT O Outputofaudio forthe leftchannel O Z O Z 21 DAWDD Powersupply for 22 XD Powersupply for the crystal oscillator 23 O Connected to the crystal oscillator 24 Connected to the crystal oscillator 25 XGND SC Ground forthe crystal oscillator 26 DVDD Power supply for digital circuits 27 1011 O Information on error correction 28 CID2 O Information on error correction 29 20 1 0 O Information error correction 30 C2D ___ O Information on error correction 31 C2D3 O Information on error corr2. y SAouS euin 4514 _ J281 SMOYS D 48 514 9 seruenbau jseopeaiq 93519 94 weg 1seopeouq BuuolS 9JON 72 AAS8 1V2O1 55910 5800019 9621048 3U jaoued O m Buiusej sdols Weg Das u uAA 0 18 11891 Jo 49p40 ui 9 4 suonnq Bulun Jesaid Japun palos aq 1SeopeoJq xis y 6uiusel Weg ysel 0 Weg uo 4113 Weg 94 pjou pue IAJS8 1V2O15S 1d e e Uonol eui ui 1 sou 01 ui euni UBD 8J8uj 5 e2uo pue 9 Bulun salouanb 9 1 152902044 5 y 91015 291 2 10 s1 50013035 1589 sal2uanba4 15
3. MdSAS 862 551551 lt 80 A 17 DEH 1550 XU ES 3 3 UNIT 18 SEG5 5 xe SEGT SEGB L9 SEG3 SEG10 ES SEG11 SEG12 KST4 CN 0 KST3 00 LA KST2 C1801 PD6 340A lt LA KST1 LCD DRIVER de amp 9 69 69 69 9 6 90 7 9 09 09 05 08 01 C9 COGO 5 ED 62 69 69 Go 69 62 60 kD Go 69 2 Go 9 3 4 3 69 9 9 CN1802 SEG18 05 KSTO SEG39 3 KEYBOARD UNIT 01861 AE MATS2WK AA ZA CN1 601 KYDT Lt R1801 2R2K 1882 2R2K 1 H 1 uGND I Sei U GND VOL SOURCE VOL 0 GND _ ik PGND lt o o o O qm 62 51825 51828 51827 51826 T gt 1 1 m O O 9 374 51801 51803 51805 51807 lt SW5V 5 3 2 1 LAMP MEN NC 111881 573 51802 51804 51806 51808 111801 111802 65 T LOUD CLOCK 4 DEH 1550 XU ES 1651 DEH 1550B XU ES 1662 40mA 14 1802 572 51809 S1810 51811 51812 uGND 1 _ NY O 51821 51823 51829 PGND
4. Dynamic range Number of channels FM tuner Frequency range Usable sensitivity 50 dB quieting sensitivity Signal to noise ratio Distortion Frequency response Stereo separation AM tuner Frequency range Usable sensitivity Signal to noise ratio DEH 1550 XU ES 16 linear 8 20 000 Hz 1 dB 94 dB 1 kHz IEC A net work 9 dB 1 2 stereo 87 5 108 0 MHz 8 dBf 0 7 uV 15 mono S N 30 dB 10 dBf 0 9 75 mono 15 dB IEC A network 0 3 96 at 65 dBf 1 kHz stereo 0 1 96 at 65 dBf 1 kHz mono 30 15 000 Hz x3 dB 45 dB at 65 dBf 1 kHz 531 1 602 kHz 9 kHz 530 1 640 kHz 10 kHz 18 uV S N 20 dB 65 dB IEC A network 2 EXPLODED VIEWS PARTS LIST 2 1 Parts marked by gt are generally unavailable because they are not 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 PACKING SECTION PARTS LIST Owner s Manual Installation Manual Mark No Description Part No Mark No
5. lt i EN an S 6680 5152052 Leo le pi 09 N Sow inaran Vono un 2 2 e e e SS 5 5 2 2 SOS SLP e e e 5 2 z LOLND B 22 2 lt mE E DEH 1550 XU ES 74 3001 LNODGA MdSAS TIOYLNOD WALSAS 25 15 1531 124 WIdNAL OddNNL IQdNAL qv EV 51350 5 LOSLND 89 0278 YINAL INV ONS 38 INV Nd 102 15 DEH 1550 XU ES ION 6 6 5 96 Q2 QL 7310 at 6L WY gt 310 33 8 22 OND 4 8 QN9 2V 79 1060 988955 K 653 60 9 LOND d 8 1160 I CQN9 d VL00 CHE gt N Ul 10691 93585099 851 139501210 01 157 ESPO e lt e e e 2 lt 808 5 7 OL 02 39p6 9 829 1 AE Y SEZLEY 8 6513 791 11 01480135131 892 L z auN9diac 0691 DEH 1550
6. Pin I O Function and Operation 61 TESTEN 62 66 TEST4 0 67 ADGND 70 ADVDD 71 72 73 74 75 76 77 78 79 80 Connection to the capacitor for detecting 3T 81 AGND Ground for the analog system 822 InputofA gle 141 ___ 8418 LL InputofB 510 InptofD 86 F InputofF 87 88 89 90 REFOUT 81 E 94 95 202 1 2 ATEST JJ Pm CD m VREFIN AVDD Lt om Lo FE ReversalinputofFE O FEO O outputofFE e ADCIN 1 96 0 2 ____ 98 TEC 99 AGND EE PWMSW Servo PWM mode switching 88 91 92 9 94 95 0 UPD63712GC 76 100 DEH 1550 XU ES 49 5 6 EN 7 EN 8 Pin Functions BA5996FP Pin No Pin Name Function and Operation Input pin for inverting input for CH2 preamplifier 4 OPOUT J pin for CH2 preamplifier 5 OPIN out pi Output CH1 preamplifier 9 MUTE Mutecontrolpn 2111 vot Driver CH2 Positive output 13 02 Driver CH2 Negative output Driver CH2 Positive output 15 Driver CH2 Positive output 16 POWVCC2 Power supply at Power stage Ground Con
7. sod ________ 32 ADJUSTMENT WEE 35 CED ADJUSTMENT RE 35 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 36 6 ERROR MODE 38 7 GENERAL INFORMATION 39 TA DIAGNOSIS 39 LWT DISASSEMBLY 39 7 1 2 CONNECTOR FUNCTION DESCRIPTION aa 44 45 45 52 7 3 OPERATIONAL FLOW E 1 53 EAI 54 EE 55 CD Player Service Precautions 1 Before disassembling the unit sure off the 3 After replacing the pickup unit be sure to check the power Unplugging and plugging the connectors dur grating See p 36 ing power on mode may damage the ICs inside the 4 In this product because the memory capacity of the unit microcomputer is insufficient the test mode is not 2 To protect the pickup unit from electrostatic dis installed However grating of the pickup unit can be charge during serviving take an appropriate treat confirmed ment shorting solder by referring to the DISAS SEMBLY on page 39 DEH 1550 XU ES 3 1 SPECIFICATIONS Rated power source 14 4 V DC allowable voltage range 12 0 14 4 V Grounding system
8. 06 3NOE q IQAA 781 JIeyeseds 1 gt ori dure SUISN UIYM suono uuoo SA 94846 9 4 05 dum 19 Oq L 18 055 p os 514 VOY spioo 3unoouuo i JOLIAN HZ 35 825 ei UM 7 1 01 poj euuoo Jou YI speo 329505 0 1o9uuoo jou urojs s Z e GT S i G gt s Vs W 2 OG ATI 006 xeur onuoo euuojue oqn y Jo dure aq JO 00903 WAS S 79 sn Ll yor euuojuy sl 7 S i onpoid 511 1 poq o 15 Od A 2112912 ol Ps NO 0015801 uS1rAS Jo 592 8 83 IJeAod MOA 6 59 DEH 1550 XU ES 56
9. OUO 9 pue AJ 92 141 2U 10 259 10 9 suoneis NJ 8 0191 e S8JON 72 3 8 08 4 oipgJ ay 9 uni asad eujes y 55810 xeu au 5 seu 5 pajoajes oul uay pue Jequunu zasad y ui USelj jequunu au Puiusej 54015 355540 y DIOU pue 9 1 uo33nq uiun 395914 5 55914 ui 91015 03 3 3 54 e uoyng JO yono eui YUM Jaye 10 jseopeoig xis 01 dn 9108 Ajisea ued 9 suo ing 19Sa4d y Aue 55910 nof J sonuenboyJ 15 10 QD oalels OU 055315 ul 1seSpeouq Bulag s papajas y uauA won suoling y 5 se uoos se Burung Suolels 914 Ueo 410 DIOU pue 95340 m 995919 ULM 4 40 gt Jeuie yeas 93 53 SI Buoys 1seSpeoiq y Jeuni 94
10. 2810 3y 40 251 pue osip aU 6 5 o I33r3 55944 sI SSIp jo epis y 1241 2849 Ae d JOU seop 251 991 osip H 40 251 2 0 93 e Buipeol eui OU q uey JOU e ue esn 104 12 91815 9 40 EL 5 suo SAeld JeAeld y EI Co SNOIA 841 01 ussa X291 JND 89 JO PEJS 01 5015 gt Buiss iq 42841 2U JO LEIS 941 sdiys lt q Bulssaiq 4 10 SS 1d 49 30 5 ol 10 peq 415 e 410 pjou pue 55540 JO 355 u oj ad OL SI pessaJd pue dn FINNTOA SS8Jd punos y 3snfpe 5 49451 33 55 ol 334n0S 55949 u q seu 3 L JslJV 5 2 ueo 3015 6ulpeol els 3015 2U3 AD e m sul 1U9J JNO y JO euun BulAe d
11. 5 is not set collectly defective contact may occur on 6 To avoid this problem hold 5 using 7 just before putting 8 40 How to hold Mechanical 1 Hold the top and bottom frame 2 Do not squeeze top frame s front portion too tight because it is fragile Removing the Upper and Lower Frames 1 With a disc clamped remove the four springs A the two sprinos 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 the 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 Lower Frame Removing the Guide Arm Assy 1 Remove the upper and lower frames and set the mechanism to the clamp mode 2 Remove the two springs 3 Remove the two screws and bevel gear bracket Note that the gears come 4 Slide the guide arm Assy direction marked with the arrow 1 and open it upwards 5 At the angle of about 45 degrees slide the guide Spring arm Assy direction marked with the arrow 3 to remove it Guide Arm Assy DEH 1550 XU ES m 5 6 WISE 41 Gear Bracket Removing CD Core Unit S10 1 Apply sh
12. DSCSNS 5V div 1V div 500mV div 500mV div 5ms div 1V div 5ms div 1V div 500mV div 2V div AEN E TE E Ed nenne EU baffles peer feces BN e 200ms div CLCONT 5V div LOEJ 5V div When Eject 12cm CD Ref GND Mode Normal CHiE5V 0 10 1 2 5 200 8 DC 101 DG 101 200ms div NORMIBES s DEH 1550 XU ES 03 RFAGC 7 49 EIN When reproducing black dots 1mm Ref Normal Tk E 9 RFAGC TE CIN SIN 1V div 1V div 1V div 1V div 500us div 1V div 1V div 500mV div 2V div 500us div During inside outside search outer circumference inner circumference Ref Mode Normal 4 DSCSNS 5V div 200ms div CLCONT 5V div 3 LOEJ When Eject 8cm Ref GND Mode Normal 1 DC 10 1 101 20075 200ms div 5 DC 101 3 1 EN 2 EN 4 PCB CONNECTION DIAGRAM 4 1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for estination LEY TUNER AMP UNIT respectiv
13. Description Part No 1 Cord Assy CDE7060 11 2 Installation Manual CRD3669 2 Spring CBH1650 12 Carton DEH 1550 CHG4991 3 Screw CBA1002 Carton DEH 1550B CHG4992 7 4 Polyethylene Bag CEG 127 13 Contain Box DEH 1550 CHL4991 5 Screw CRZ50PO90FTC Contain Box DEH 1550B CHL4992 6 Screw TRZ50PO80F TC 14 Protector CHP2663 7 Polyethylene Bag CEG 158 15 Protector CHP2664 8 Handle CNC5395 16 Case Assy CXB3520 9 Bush CNV3930 17 Accessory Assy CEA3439 10 Polyethylene Bag CEG 162 11 1 Owners Manual CRD3668 Model Part No DEH 1550 XU ES DEH 1550B XU ES Language __ PartNo O CRD3668 English Spanish Portuguese B CRD3669 Arabic Traditional chinese DEH 1550 XU ES m 5 6 7 8 2 2 EXTERIOR LO DEH 1550 XU ES EXTERIOR SECTION PARTS LIST Mark No Description Part No Mark No Description Part No 1 Screw 5726 060 LCD LCD1801 DEH 1550B CAW1734 2 Screw BSZ30P060FTC 46 Connector CN1801 CKS3580 3 Screw BSZ30P200FTC 47 Holder CNC9617 4 Cord Assy CDE7060 48 Sheet CNM7932 5 Cable CDE7113 49 Lens CNV7060 6 Fuse 10A CEK1208 50 Lighting Conductor CNV7367 7 CD Mechanism 510 CXK5600 51 Rubber CNV7368 8 Case CNB2793 52 Connector CNV7369 9 Holder CNC8659 53 Grille Unit DEH 1550 CXB9505 10 Earth Plate CNC8915 Grille Unit DEH 1550 CXB9806 11 Cushion 8275 54 Button 4836 12 Insulator 8059 55 Spring 1835 13 Insulator 8174 56 Spring 2208 14 57239 57 Spr
14. e 5901 din HOME TEC CSN1051 A GND a 5902 CLAMP CLAMP PWMSW 5 1051 E 5904 12 DSCSNS CSN1051 O CSN1051 5904 DSCSNS 5 O O La Bey TDY TDX O SOM SOP O O SPINDLE MOTOR BLK 1 6007 FER RED LOADING CARRIAGE MOTOR M2 CXB8933 SOM 3 22 SD n 681 CH lt gt C702 100 16 C704 R1 3 3 REGULATOR 10 683 lees x GND 2 d IC701 NJM2391DL1 33 158154 400 20 DEH 1550 XU ES 1 2 3 LCM2O LCP2O C30 599 2777 im C231 ROOT C232 6001 STE ATE 8215 218 Mad mb SIGNAL LINE Ire O FOCUS SERVO LINE L TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE 7 SWITCHES CD UNIT 5901 HOME SWITCH ON OFF 5902 CLAMP SWITCH ON OFF 5903 DSCSNS SWITCH ON OFF RF AMP SERVO DSP 5904 12EJ SWITCH ON OFF 5905 SWITCH ON OFF DAC LPF underlined indicates switch position NOTE1 EMPHZRAMOVER GND CD 5 06371 26C D GND PGND Actuator Motor Driver C16M PLCK These GND 5 are not connected to each other on PCB PC RUD PGND is connected to floating WFCK MI
15. MOTOR 1051 111111111111 DRAAM f S S 1 0 21 PICKUP UNIT SERVICE P10 S H oldo o os 2 SL UTIR au C In w S Q E gt gt lt NN b 11 A e S CD CORE UNIT S10 Im S 2 76805 zg al Lagat msove La j Ee lt N 0 1 1 31 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 0OSOOQOJ RS1 0OSOQOOJ Symbol and No Part Name Part No Symbol No Part Name Part No Unit Number CWM8570 DEH 1550 RESISTORS CWM8571 DEH 1550B R 153 RS1 16S101J Unit Name Tuner Amp Unit R 154 RS1 16S101J R 155 51 165101 MISCELLANEOUS R 156 RS1 16S101J R 157 RAB4C102J 151 PMLOOSAM IC 302 IC PALOO7A 301 RD1 4PU153J 601 PE5330A R 353 RS1 16S821J IC 652 IC TC7SETO8FU R 354 RS1 16S821J 901 IC 5 R 357 RS1 16S223J R 358 RS1 16S223J 961 IC S 80834CNY Q 352 Transistor 405 RS1 16S681J Q 452 Transistor DTC124EU R 407 RS1 16S681J 453 Transistor DTA124EU R 408 RS1 16S681J O 801 Transistor 2SA1036K R 409 51 165681 R 410 51 165681 821 Transistor 2SA1036K 822 Transistor DTC114EU R 414 RS1 16S0R0J O 911
16. O O jT1 51813 51815 51817 51819 O O 51822 de 51824 AUDIO LOC BSM NEM DON le O O 570 51814 51816 51818 51820 ES 4 T m 77 0 D2 gt lt gt E E E c p mque ed cec rl n m 5 xe i CARBON CONTACT T RUBBER SWITCH D pe 7 wm 5 22 LA gt gt gt C3 601881 s 5 DEH 1550 XU ES CAW1 7 55 5 DEH 1550B XU ES 1 734 DEH 1550 XU ES 5 6 em 7 3 1 EN 2 EN 3 Ez 4 3 4 MECHANISM MODULE GND Pickup Unit Service P10 E P5 P10 un F P1 P6 ado 3 lt 5 lt sf 5 C219 HOLOGRAM UNIT 4 3 2 00 00 FOCUS REFOUT REFC positive voltage to FOP the lens moves DISC side T ACT Applying positive voltage to TOP ADC IN the lens moves outer circumferen zm
17. PE5330A 1 MODELI Modelpot O 23 NC Notused J 4 AVSS ADGND 4 56 NC 056 _ 7 AVREF1 reference voltage 8 Keydatainput gt O 9 DPDT O Display dataoutput ___ 0 _____10 ADPW A Dconverter power supply output 0 11 TUNPI PLLICdatainput O 12 TUNPO O j PlLiCdataoutput O 13 TUNPCK O __ o O Clockadjustment output 15 TESTIN Test program mode input aef XS I Seraldatainpt ___ o 56 eo Serial data output 18 XSCK O Serial data clock output 1920 Notused O 21 SAwv Keyboard unit power supply control output 22 Illumination power supply control output 23 NC Notued _ 24 XRST O CDLSlresetoutput ____ O 25 LO CDLSlidentification control signal output 26 XSTB O CDLSIstrobeoutput 27 8 Discclampswitchoutput CD __ 28 Servo driver power supply control output 000000 29 LOJ CD load motor LOAD EJECT direction exchange output 30 CLCONT Driverinput select output 31 Not
18. XU ES 15 0 lt ccoo d CC Se 5 pue 0251892 404 1104 LOANNOD m MAN uoneuBisep 40 94490 esn 0 9118 91 out JO 10126 au Jo aU sued uo puno 941 SJO Ioedeo 91942991 pue diuo s ON 40 1138083 seleolpul oquiAg HH 9401381594 91394281 pue 8401981584 diuo si 10181501 Seleolpul NL ALYY 22 UN 1LSZH Mv L 1 134 3711210 NEUE 1089 6664 lt a 5905 95 03 Lr CI m m MAN 988955 gt 2060 988955 gt 060 LN3SV 2 1LSZH ALY Res LEGY 13911210 9 88 d ZN3SV LXWI 1560 n 663 58 16SZH 760 Mv 1 028 LNODGA 1860 5 LOY 2862 2 gt 9 1NO30A Lv Zr Le 6v
19. pue ouo noqe 104 lt 10 gt ploy pue 5554 7925 u oy ad OL dais 491 umop 40 dn saiouanbe 941 sessaJd pinb UHM lt 40 gt 55949 56 woad p WY JO W4 4 Z3 14 paced 51 pueq eui 555 129195 ol QNV8 5944 p8J9 0 SI y uwop pessaJd pue 8 0 y dn 55828 uauA punos 1snfpe ol gen Z eunjeulije es ol 5944 pejoe es seu 188841 GU SMOUS 1959144 gt 091915 U jseopeaiq s pajoajas ay 124 SAOUS GD 091915 p un1 S JUN aui 0 SMOUS 4035218 1 4 40 WY paun s eui pueq Yo YM swous 1 pueg 491 33821 uinog 10 YUON U pun siu Buisn ou 03 11 suum eu pjou pue 32405 55214 e aoinos au U y sI anos SIU 5 120 y Jeul LUS euugjue o ne 9 452 94 pejoeuuoo si Pes sun SIU USUAA JeAe
20. 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 c If you have mistakenly connected the REFO1 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 n the test mode any software protections will not work Avoid applying any mechanical or electrical shock to the mechanism during adjustment 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 15 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 the test mode While pressing the 4 and 6 keys at the same time reset To exit from the test mode
21. 0 XU ES 6 7 11 3 2 CONNECTION DIAGRAMI GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST Large size SCH diagram 24131 19 5085 4 AM 30dBs Loh 23 BE 22 RDS HSLK 21 20 RLK RDS_LOCK RDAT 05 DATA 9 e ER RDS CK 3 QTY op 3 3v 1 7 SECH coup 16 OTUNG C491 5 Le D GND 15 us 44 m ST STS mus 8618 688 00 05 1 2 WW LDET ODI 487 688 0112 P 1 84885 588 1 5 014 16 5 6015 R654 5 011 O 220 3 4V 0551402 12 MEE 8 LINN YANNL si RHS 8 ORO T8V VCC B 50 FMANT 5 7401 wire 588 T is CE SP TUNER CN401 EN D Qu pat 55 2 TD L Be 05 201 CN402 12 DEH 1550 XU ES 79 3 4 R2K DISCSENS 78 21 77 R611 VDSENS 6 01 TUNPCE1 PE5330A VCK VDT SYSTEM CONTROLLER SYSPW VDCONT R604 10K 100K 1 44 6 7 8 EN TUNER UNIT 151 l 1651 R354 3 6485 AN 6 9485 CD 18 45485 zy 5 4 6
22. 089 Md LNY OddNNL 10 1 LSA Md dv LOA 4040 2 JOAN ui MIN amlol ojus LA LN LA LA 3 lt 55 DEER 55 34 LIJANAL 0921 LS 6S 13538 9 p DP 5 REET 3882823 id BIS 8 1 pu 402 509 402 709 07155 109X ZHNLGZBS ZL 0 1091 108 1032 1001 1 9093 301 091 1301 YINNL 5 Slo Sms gt 0 5 ais Z 088 38 CHE INN Q 3 as 090 Lt 5517 089 0178 2320 KK F 132 099 Enn 8 095 Bore e D em 2 089 109 100 1907 qe Z 0897250 9250 ub pue ale Low At 5000 lt S 08870 ge 109 8 13 L 9105 gt V LL JJA 1102 01480135121 5821 a c5 lt lt 18 16SZH H L 1 089 19 T ITS L so Ape uale viva say S 111102 07 sa LZ WISH 508 45 38 5 05 a 61 e SAPS 0 05 quod NIN TW 4p a RUG 15
23. 1 16S151J RS1 16S181J RS1 16S151J RS1 16S181J RS1 16S131J CKSRYB103K50 CKSRYF 104225 CKSRYF 104225 CD Core Unit S10 UPD63712GC BA5996FP NJM2391DL1 33 2581132 155355 33 Symbol Name Circuit Symbol Name 701 Diode 1SR154 400 208 100yF 6 3V CCH1505 X 201 Ceramic Resonator 16 934MHz CSS1603 C 209 CKSRYB104K16 S 901 Spring Switch HOME CSN1051 S 902 Spring Switch CLAMP CSN1051 C 210 CKSRYB104K16 S 903 Spring Switch DSCSNS CSN1052 C 211 CKSRYB104K16 C 212 CKSRYB104K16 S 904 Spring Switch 12EJ CSN1051 C 213 CKSRYB332K50 S 905 Spring Switch 8EJ CSN1051 C 214 CKSRYB473K25 RESISTORS C 215 CKSRYB104K16 C 216 CKSRYB103K25 R 101 RS1 10S1R5J 217 CCSRCH560J50 R 102 RS1 10S1R5J 218 CCSRCH5R0C50 R 103 RS1 10S1R5J C 219 CKSRYB104K16 R 104 RS1 10S1R5J R 105 RS1 10S1R5J C 220 CKSRYB104K16 C 221 CKSRYB104K16 R 201 RS1 16S102J 222 CKSRYB103K25 R 202 RS1 16S1002D 223 CCSRCH680J50 R 203 RS1 16S1002D C 224 CCSRCH470J50 R 204 51 1651002 R 205 51 1651002 225 CKSRYB682K50 231 CKSRYB102K50 R 206 51 1651002 232 CKSRYB102K50 R 207 RS1 16S1002D 301 100uF 16V CCH1504 R 208 51 1651002 302 CCSRCH221J50 R 209 RS1 16S1002D R 214 RS1 16S103J C 303 CCSRCH221J50 C 304 5 472 50 215 51 165393 305 CKSRYB103K25 R 216 RS1 16S122J 306 CKSRYB104K16 R 217 RS1 16S56
24. 14 CNV7341 CNV7342 CNV7360 CNV7361 CNV7437 CNV7444 CNV7595 CNV7618 CXB6007 CXB8728 CXB8729 CXB8731 CXB8732 CXB8735 CXB8852 CXB8933 CNC9985 JFZ20P020FTC EBA1028 JFZ20P020FTC JGZ17P022FTC YE15FTC YE20FTC Pickup Unit Service P10 1641 Screw IMS26P030FMC 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 1 BLOCK DIAGRAM VO lt a VDD ANTENNA 3 3V MIXER IF AMP DET FM MPX lt A TUN3V lt a PICKUP UNIT SERVICE P10 CORE UNIT S10 CN101 0101 SERVO 9 DSP MONITOR 4 LPF DAC IC 201 12 a D 5 7 UPD63712GC CE2 55 1 IN3 L SYS CONTF IC 60 29 LOEJ DSCSNS BA5996FP DSCSNS CLAMP lt O O b DSCSNS 3 3V REGULATOR NJM2391DL1 33 10 DEH 1550 XU ES 1 2 x VDCONT CE2 55 2 TUNPCE1 TUNPDI TUNPDO TUNPCK LDET SL CONTROLLER ELECTRONIC VOLUME SYSTEM CONTROLLER IC 601 2 2 PE5330A CN352 REARLCH Q 352 VDD REGULATOR 0911 VDD RI lt O B U SYS 8V REGULATOR 0921 0922 vec lt lt B U SYSPW Q923 BACK UP GND POWER AMP IC 302 FG PALOO7A STBY ACC IC 901 BAOSSSFP 4 unit 1801 KEY CONTROLLER LCD DRIVER IC 1801 PD6340A KEY MATRIX gt DEH 155
25. 151 R22 ET RCA 6153 1 16961 451 33 10 98 QBUP2 OBUP1 CEK1136 A 16 7 Ono 8 UP 600uH 4 ds NI Sp 14 BA033SFP NC 413 NC 112 REMOTE FM 29 6dB REM j FM 29 6985 Ze 19 148 T 0981 1 CD 36 45085 9 556886 8 0902 RL 555866 _________ RL 4 RR 3 42 CRR1 gt 21 RR as E 9925 DTC114EU K 555886 9801 2SA1036K MN BSEN1 0931 1 lt 257 63 1K 1740 R821 3R3K 1 4W IE 5 575 T ILMPW 8 I lt Symbol indicates a resistor Decimal points for resistor LM No differentiation is made between chip resistors and and capacitor fixed values discrete resistors are expressed as a Symbol indicates a capacitor 2 2 282 No differentiation is made between chip capacitors 0 022 R022 discrete capacitors The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing sure to use parts of identical designation DEH 1550 XU ES 5 6 EN 7 13 05 339 15 11531 124 93 11081 00 WALSAS MOANA gt Qcvu
26. 2J 501 CKSRYB103K25 R 218 RS1 16S472J R 234 RS1 16SOROJ 502 CKSRYB103K25 702 100uF 16V CCH1504 R 235 51 165103 703 5 224 16 R 236 51 165103 704 CKSRYB104K16 R 301 RS1 16S183J 705 1 6 1470 302 51 165822 303 RS1 16S183J Miscellaneous Parts List R 304 RS1 16S822J Pickup Unit Service P10 CXX1641 R 305 RS1 16S183J 1 Motor Unit SPINDLE CXB6007 R 306 51 165183 2 Motor Unit LOADING CARRIAGE CXB8933 R 307 RS1 16S183J R 308 RS1 16S183J R 501 RS1 16S102J R 503 RS1 16S102J R 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 R 901 RS1 16S104J R 902 51 165473 903 51 165273 CAPACITORS 101 CKSRYB104K16 102 CKSRYB104K16 103 100HF 16V CCH1504 C 104 47uF 6 3V CCH1506 C 106 CCSRCH101J50 C 108 CKSRYB224K16 109 5 224 16 201 5 104 16 202 5 471 50 203 CKSRYB104K16 205 22uF 6 3V CCH1507 C 206 CKSRYB103K25 C 207 CKSRYB104K16 34 DEH 1550 XU ES 1 2 a 3 4 m 6 ADJUSTMENT 6 1 ADJUSTMENT 1 Cautions on adjustments In this product the single voltage 3 3V is used the regulator The reference voltage is the REFO1 1 65V instead of the GND If you should mistakenly short the REFO1 with the GND during adjustment accurate voltage will not be obtained and
27. D1 4PU152J 32 DEH 1550 XU ES JIII 2020202020 CAPACITORS 151 152 153 154 155 156 157 158 161 162 163 164 165 166 167 301 302 303 304 309 310 312 313 353 354 360 401 402 403 404 405 420 451 601 604 605 610 611 654 801 911 912 922 901 3300uF 16V 913 470uF 16V 921 330uF 16V Part No RS1 16S0R0J RD1 4PU821J RD1 4PU122J RS1 16S103J RS1 16S473J RS1 16S104J RD1 4PU102J RS1 16S472J RS 1 16S473J RS 1 16S223J RS1 16S104J RS1 16S104J RS 1 16S473J RD1 4PU 102 RS 1 16S822J RD1 4PU221J RD1 4PU221J 51 165222 RS1 16S472J CKSRYB224K16 CKSRYB224K16 CKSRYB105K10 CKSRYB105K10 CEJO4R7M35 CEJO4R7M35 CKSRYB153K50 CKSRYB153K50 CCSRCH100D50 CCSRCH100D50 CCSRCH100D50 CCSRCH100D50 CKSRYB104K16 CEJO470M10 CEJO100M 16 CFTNA224J50 CFTNA224J50 CFTNA224J50 CFTNA224J50 5 225 10 5 225 10 CEJQ100M16 CKSRYB104K16 CEJQ2R2M50 CEJQ2R2M50 CKSOYB103K50 CKSRYB103K50 CKSRYB103K50 CEJO470M6R3 CEJO101M10 CKSRYB103K50 CCSRCH470J50 CEJO330M10 CKSRYB103K50 CCSRCH200J50 CCSRCH200J50 CEJO4R7M35 CKSRYB224K16 CKSRYB104K16 CKSRYB104K16 CCH1494 CEJO470M10 CKSRYB103K50 CCH1331 CCH1326 CEJO101M16 Part No CKSRYB103K50 CKSRYB473K50 CEJO100M 16 CKSRYB334K10 CKSRYB103K50 CEJQ220M16 CKS
28. MOS type Be careful in handling them because they are very liable to be damaged by electrostatic induction S 80834CNY DEH 1550 XU ES 2 3 4 Pin Functions PD6340A _ 15 60640 0 LCDsegmentoutput gt gt ___69 COM3 0 0 LCDcommonoutput 10 LCD drive power supply 02 11 14 KST30 0 Keystrobe output 1516 8001 __ Key data input analogue input 00 ____17 REM Remotecontrolreceptioninput 18 DPT Display data input 0 __ 19 NC Notused 20 O Keydataoutput gt 21 MODA _ 7 25 22 X0 Crystal oscillator connection pin 28 X1 Crystal oscillator connection pin 24 VSS 2526 KDT23 Keydatainput gt 0 0 27 NC Notused 28 O Keystrobeoutput 2 02 2032 NC Notueed 20 33 55 SEG35 13 O LCDsegment output gt Z 0 O 56 Power supply vD Power supply 57 64 SEG12 5 LCD segment output PD6340A DEH 1550 XU ES m 5 6 7 N CD Pin Functions UPD63712GC Pin No Pin Name Function and Operation 1 ID O OutptoflD 0 O 2 PD I InputofPD y O PN Assignment of pickup polarit Al ADD Powersupply forthe analog system
29. Negative type current consumption DIN CHASSIS 178 x 50 x 157 mm Nose 188 x 58 x 19 mm D n Chassis 178 x 50 x 162 mm NOSE 170 x 48 x 14 1 3 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 5 Maximum power output 50W x4 Load impedance 40 4 8 allowable Preout max output level output impedance iua LE Ld 2 2 V 1 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 Gain 1208 Mid Frequency 200 500 1k 2k Hz Q Factor 0 35 0 59 0 95 1 15 6 dB when boosted Gain 12dB High T 3 15k 8k 10k 12 5k Hz Q Factor ee 0 35 0 59 0 95 1 15 6 dB when boosted Gain ll ana 12dB Loudness contour e 3 5 dB 100 Hz 3 dB 10 Mid 10 dB 100 Hz 6 5 dB 10 11 dB 100 Hz 11 dB 10 volume 30 dB CD player SYSTEM Usable diSCS Signal format Sampling frequency Compact disc audio system Compact disc 44 1 kHz Number of quantization bits Frequency characteristics Signal to noise ratio
30. Pioneer sound vision soul Service Manual HIGH POWER CD PLAYER WITH FM AM TUNER DEH 1550 DEH 1550B DEH 1550 XU ES This service manual should be used together with the following manual s Model No Mech Module Remarks ORDER NO CRT2970 COMPACT Oise DIGITAL AUDIO CX 3026 CRT 2944 510 Mech Module Circuit Description Mech Description Disassembly lt 68 details refer to Important symbols 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 ZZU NOV 2002 Printed in Japan 5 INFORMATION This service manual is intended for qualified service technicians it is not meant 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 of this product properly and safely you should not risk trying to do so and refer the repair to a quali
31. RR mechanism part by a screw C2D3 SHOCKD SBS Monitor land side Monitor land side B Land for manual soldering 6551603 16 934MHz 04 CD CORE UNIT 510 dB CLCONT INTQ CONT CLAMP R601 188 5 MOTOR DRIVER LOGIC TABLE PA LIL ul 3 sls ESL _ spe 5 4 GND VD DEH 1550 XU ES 1 m 5 ERI 6 E 7 8 Waveforms 7 DSCSNS 2 8 1 VD 5V div 5V div 5V div 10V div When loading a 12cm CD 200mV div AV div AV div FIN 9 RFOK 5 SIN When setting up Source On 12cm CD DA 500mV div 5ms div 1V div 2 MDX 5 SIN Spindle waveform during Play 500mV div 200ms div 500mV div FIN 1 FE Focus Search 500ms div CD DSCSNS 5 2 Reference voltage REFO1 1 65V 2 CLCONT 5V div 3 LOEJ 4 10V div 500ms div 6 SIN When loading an 8cm CD fan 500mV div 500mV div When setting up Source On Ref 500mV div 5us div 1V div 42 5 SIN Spindle wavef
32. RYB473K50 CEJQ101M10 7 Circuit Symbol No Part C 923 961 963 981 982 983 991 992 Unit Number CWM8578 DEH 1550 CWM8579 DEH 1550B Unit Keyboard Unit MISCELLANEOUS IC 1801 IC D 1801 Diode 1802 Diode D1803 10 LED DEH 1550 D1803 10 LED DEH 1550B D 1811 LED D 1812 LED X 1801 Ceramic Resonator 5 00MHz IL 1801 Lamp 14V 40mA DEH 1550 IL 1801 Lamp 14V 40mA DEH 1550B IL 1802 Lamp 14V 40mA DEH 1550 IL 1802 Lamp 14V 40mA DEH 1550B LCD1801 LCD DEH 1550 LCD1801 LCD DEH 1550B RESISTORS 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1550 1816 DEH 1550B 1817 DEH 1550 1817 DEH 1550B R 1818 DEH 1550 R 1818 DEH 1550B R 1819 CAPACITORS 1801 1811 1812 C Unit Number CWX2708 Unit Name MISCELLANEOUS 201 301 1701 101 101 DEH 1550 XU ES Transistor Diode PD6340A MA152WK MA152WA SML 310PT SML 310VT NSSW440 9159 NSSW440 9159 CSS1547 CEL1651 CEL1662 CEL1651 CEL1662 CAW1733 CAW1734 RS1 16S222J RS1 16S222J RS1 16S471J RS1 16S471J RS1 16S471J RS1 16S471J RS1 16S151J RS1 16S181J RS1 16S181J RS1 16S181J RS1 16S151J RS1 16S181J RS1 16S181J RS1 16S181J RS1 16S151J RS1 16S151J RS1 16S181J RS
33. Transistor 2SD2375 R 420 RS1 16S681J O 912 Transistor IMD2A R 421 RS1 16S473J O 921 Transistor 2SD2375 R 454 RS1 16S103J R 455 RS1 16S153J 922 Transistor 2SB1243 Q 923 Transistor DTC114EU R 456 RS1 16S221J 931 Transistor IMX1 R 457 RD1 4PU681J 991 Transistor 2502375 601 51 165473 992 Transistor IMD2A R 602 51 165473 603 51 165103 452 Diode DAN202U D 831 Diode 1SS133 R 604 51 165103 D 832 Diode 1SS133 R 605 RS1 16S221J D 833 Diode 155133 606 51 165104 D 834 Diode 1SS133 R 607 RD1 4PU222J 608 RS1 16SOROJ D 835 Diode 155133 D 836 Diode 1SS133 R 609 RD1 4PU473J D 901 Diode 556886 610 RD1 4PU681J D 902 Diode S5688G R 611 51 165473 911 Diode S5688G R 653 RS1 16S104J 654 51 165102 912 Diode HZS6L B2 D 921 Diode HZS9L B3 R 661 RS1 16S221J D 931 Diode HZS7L C3 R 801 RS1 16S153J D 932 Diode HZS7L A1 R 802 RS1 16S153J D 971 Diode S5688G R 803 51 165222 R 821 RD1 4PU332J D 972 Diode S5688G D 991 Diode HZS9L B1 R 823 RS1 16S103J L 151 Inductor LAU2R2K R 833 RD1 4PU222J L 401 Inductor LAUT1ROK R 834 RD1 4PU222J L 402 Inductor LAUT1ROK R 836 RD1 4PU104J 837 RD1 4PU103J L 404 Ferri Inductor LAU4R7K L 601 Inductor LAUT1ROK R 838 RD1 APU 102J L 801 Inductor LAU2R2K R 841 RS1 16S1ROJ L 901 Choke 600uH CTH1280 R 848 RD1 4PU 102 A 601 Radiator 12 58291MHz CSS1402 R 851 RD1 4PU102J R 911 51 165223 401 Arrester DSP 201M FM AM Tuner Unit CWE1646 R 912 R
34. 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 key key during focus search turn off the power immediately to protect the actuator from damage caused by the lens stuck DEH 1550 XU ES 7 8 35 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT Note The grating angle of the PU unit cannot be adjusted after the PU unit is changed The PU unit in the CD 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 thus 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 F REFO1 Disc TCD 782 TEST CD CORE 510 Oscilloscope Checking Procedure 1 While pressing the 4 and 6 keys at the same time res
35. computer ata out igital ground on connection ower supply non connection audio ground FM stereo L ch signal output or AM audio output FM stereo R ch signal output or AM audio output gt Z Z Z 2 2 0 lt 5 AUDIOGND ch ch ch C9 gt IO CO OO 1 CO 24 DEH 1550 XU ES 51 m 5 6 EN 7 EN 8 7 2 2 DISPLAY LCD CAW1733 CAW1734 CB ESSI ERN CN Ce sse O 2 Leg E S SO 5 WIS WO SE gt NO 28103 2105 UI 8 1 m SEGMENT COMMON 52 DEH 1550 XU ES 1 2 3 4 m d 7 3 OPERATIONAL FLOW CHART VDD1 5V Pin 68 35 B gt m O lt 2 p 0 gt 2 2 Ke T ADPW lt H Pin 10 Starts communication with Grille microcomputer 300ms SWVDD lt _L 21 3005 In case of the above signal the communication with Grille microcomputer may fail operative If the time interval is not 300msec the oscillator may be defective Sou
36. e destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams Connector Capacitor ___ _______ __ ___ __ __ __ ____________ 9921 P C Board Chip 0911 Q922 0991 IC96 1 CN701 9985 ASSY lt r aa ____ E NI d eg 4 00 Bes cn1801 A 7 QU XS 2 2 Z Sp CU CU CU 00 CO CH C CU QJ QJ M N N QJ M Q In fe 0 CU IN IO 8 O 500 CU 00 C O O O O O O 0 O O H C C C C mo H G GH 2 7 4 2 B KEYBOARD UNIT S1820 RAN Sal Dei Ez 51824 im PAD GC 51815 UNS 21811 1817 LOUD LOC BSM CN831 SRC DEH 1550 XU ES IC Q 111801 qp R1810 spR1809 155822 1801 111802 29 1 2 3 a 4 4 3 CD MECHANISM MODULE CD CORE UNIT S10 ICs Q LOADING CARRIAGE MOTOR lt M1 m SPINDLE
37. ection 32 LOCK O OutputoflOCK 33 0 MIRRsigna 000505900220 34 HOLD O HOLDsignal 3 OutputofPLCK 86 6 O Outputof 16 9344MHz 37 DGND Groundfordigitalcircuts 0000 ____38 TX O DAlouptt 39 EMPH Preemphasisinformation output O 40 FLAG The flag for which output sound data cannot be corrected is outputted 41 DVDD Powersupply for digital circuits x 42 LIMIT Signal is inputted when the register can be read XTALEN I Permission to oscillate DGND Ground for digital circuits 45 DN Inputofaudiodata 24 46 DOUT O Outputofaudio data gt 471 Clockinputforaudio data 48 SCKO O Clockoutputforaudio data 1 x 49 LRCKIN InputofLRCK for audio data 50 LRCK O OutputlRCKforaudiodata 51 006 Power supply for digital circuits 52 FD O Outputoffocus PWM 53 _ ___ drive PWM 54 TD Outputoftracking drive PWM 0 85 TD Output of tracking drive PWM 86 6 10 1 Outputof thread drive PWM 87 SD O Outputofthread drive PWM 58 MD OutputofspindiedivePWM 59 MD O OutputofspindedivePWM 6 0 DGND Ground for digital circuits 48 DEH 1550 XU ES 1 2 3 4
38. et 2 The display will change returning to 81 on the fourth press 3 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 4 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 then 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 36 DEH 1550 XU ES 1 2 3 4 Grating waveform Ech gt Xch 20mV div AC Fch 4 20mV div AC O O O O O O DEH 1550 XU ES 6 3 ERROR Error Messages If a CD is not operative or stopped during operation due to an error error mode is turned on and cause s of the error is indicated with a corresponding number This arrangement is intended at reducing nonse
39. ew 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 Rack Holder Part No CWX2708 CKS4182 CKS4188 BMZ20P035FTC 5220 040 CBA1362 1511 1527 CBF1037 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 CNV7199 CNV7201 Mark No 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 DEH 1550 XU ES Description Holder Arm Gear Gear Gear Gear Gear Gear Rack Arm Arm Guide Roller Gear Arm Arm Arm Damper Damper Arm Arm Guide Guide Holder Arm Gear Damper Motor Unit M1 Chassis Unit Screw Unit Gear Unit Arm Unit Arm Unit Arm Unit Motor Unit M2 Bracket Screw Screw M2x5 Screw Screw Washer Washer Part No CNV7202 CNV7203 CNV7207 CNV7208 CNV7209 CNV7210 CNV7211 CNV7212 CNV7214 CNV7215 CNV7216 CNV7217 CNV7218 CNV7219 CNV7221 CNV7220 CNV7222 CNV7313 CNV73
40. fied service technician 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 You should conform to the regulations governing the product safety radio and noise and other regulations and should keep the safety during servicing by following the safety instructions described in this manual 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 8 For optical pickups tape deck heads lenses and mirrors used in projection monitors and other parts requiring cleaning proper cleaning should be performed to restore their performances 4 Shipping mode and shipping screws l To protect the product from damages failures that may be caused during transit the shipping mode should be set or the shipping screws should be installed before shipping out in accordance with this manual if necessary b Lubricants glues and replacement parts 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 thi
41. hanical lock and mechanical sensor 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 38 DEH 1550 XU ES 1 2 3 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 gt Remove the four screws Disconnect the connector and then remove the CD Mechanism Module Removing the Grille Assy Fig 1 Release the two latches 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 4 4 x 757 2 NN CD Mechanism Module gt d Van Es I y jy 4418 e 524 E 11 l i iy Tuner Amp Unit 39 How to assemble Keyboard Unit 1 Assemble them in order from 1 10 8 the figure below 2 After that bend the crows 7 in total until they get the right angles with the marks printed on 8 Note If
42. ing 2367 15 Tuner Amp 1550 8570 58 Bracket 6791 Tuner Amp Unit DEH 1550B 8571 59 8042 16 Screw 5726 060 60 CNM6276 17 Screw BPZ26PO80FTC 61 Panel CNS7238 18 Screw BSZ26P160FTC 62 Arm CNV4692 19 Pin Jack CN352 CKB1028 63 Arm CNV4728 20 Terminal CN402 CKF1059 64 Arm CNV5576 21 Plug CN901 CKM1376 65 Screw IMS20POS3O0FZK 22 Connector CN831 CKS3581 66 IC IC302 PALO07A 23 Connector CN651 CKS3835 67 Screw ISS26PO55FTC 24 Antenna Jack CN401 CKX1056 68 Transistor Q911 921 991 2501275 25 Holder CND1241 69 Sheet DEH 1550B CNM7881 26 Holder CND1328 27 Heat Sink CNR1668 28 FM AM Tuner Unit CWE1646 29 Holder CND1054 30 Chassis Unit CXB9542 31 Detach Grille Assy DEH 1550 CXB9573 Detach Grille Assy DEH 1550B CXB9574 32 Screw BPZ20P100FZK 33 Button 1 6 7739 34 Button Volume 7740 35 Button Up 7 741 36 Button Down 7742 37 Button Eject 7743 38 Button Band 7745 39 Button Audio 7746 40 Button SRC EQ 7749 41 Button Detach 7753 42 Spring 2210 43 57232 44 Keyboard Unit DEH 1550 CWM8578 Keyboard Unit DEH 1550B CWMS8579 45 LCD LCD1801 DEH 1550 CAW1733 DEH 1550 XU ES 5 SS 6 1024 GEM1045 GEM1035 MECHANISM MODULE SECTION PARTS LIST oF WN Description CD Core Unit S10 Connector CN101 Connector CN701 Screw Screw Scr
43. ld eui 0 YOUMS 100 831005 ou un ay 188 uaaq seu 251 OU e cao E2 883 08 BuIMO O pe1eeda FDYNOS 559 44 9214105 e 33955 01 338 55944 e 14 ul os p UOHMS 01 U8 S 0 JULM 821 1004958 UBD 834105 si yun y eounos 10885 uo y 5 55914 e uo ay 340 NO amod 56 DEH 1550 XU ES 56 2808 pue 8 84 3 yous Aejdsip y 14 uo 358994 ol 6 55914 48 aui Jeau s1 Aeld 1g d u Aeld 843841 jo uin 5944 Z 48040 ui 845841 Aejdsip ui sueadde uo uin 03 5944 48840 u 94 uo sje Ag d e ui sea PulAeld SeBesseui 4049 2 70 GD Uying BuipuejsJepur 0149j9M peKe dsip eq LL HOMM3 uons eDesseuu 40448 ue AUS doud e1e4edo jou seop 48 519 GD 541 j e ureBe
44. nse calls from the users and also for facilitating trouble analysis and repair work in servicing 1 Basic Indication Method 1 When SERRORM is selected 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 remains 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 6 digit display 4 digit display 2 Error Code List Displayed error code Description of the code and potential cause s 10 Electricity Carriage Home NG CRG can t be moved to inner diameter SERVO LSI Com CRG can t be moved from inner diameter munication Error Failure on home switch or 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 Damages or stains on disc or excessive vibrations on REWRITABLE CRG tracking error or damages on disc CD R RW Defective loading motor mec
45. orm during Play Magnified 500mV div 2ms div 500mV div TE 43 RFAGC When Tracking Open DEH 1550 XU ES 2 3 Note 1 The encircled numbers denote measuring points in the circuit diagram 1V div 6 500mV div 7 TIN 500mV div When setting up after loading a 12cm CD DA disc 2s div 500mV div 500mV div TE 500mV div TIN 500mV div During Play CD DA RFAGC 500mV div O 5us div RF eye pattern 7 E ANY e A3 E 0 5 v Oiv 0 Sve Ov 43 RFAGC TE TIN 1V div 500mV div 500mV div 500us div 1 Track Jump 9 RFAGC 7 32 Track Jump Ref REFO Mode TEST 9 RFAGC TE CIN SIN When reproducing scratch 1mm Ref REFO Mode Normal 4 LOUT RO Analog Ref AGND Mode Normal 1V div 500mV div 500mV div 1V div 1V div 500mV div 2V div 500us div dm 1V div 200us div UT 1V div Audio 10 TE 500ms div 3 RFAGC 7 TIN 100 32x3 Track Jump Ref Mode TEST 9 RFAGC 10 CIN SIN When reproducing fingerprint 65um Ref REFO Mode Normal 4
46. orting solder to the Pickup flexible cable Disconnect the cable 2 Remove the solder from the four leads and loosen the screw 3 Remove the CD core unit S10 Caution When assembling the CD core unit S10 se the mechanism to the clamp mode to protect the switches from any damage Solder Shorting older Removing the Roller Arm Assy 1 Remove the guide arm Assy and set the mechanism to the eject mode 2 Remove the CD core unit S10 You do not have to remove the solder from the four leads 3 Remove the spring and E shaped ring from the fulcrum shaft 4 Slide the roller arm Assy in the direction marked with an arrow Roller Arm Assy E Shaped Ring DEH 1550 XU ES 1 2 3 4 Removing 1 Set the mechanism to clamp mode 2 Remove 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 DEH 1550 XU ES EN Washer Planet Gear 43 7 1 2 CONNECTOR FUNCTION DESCRIPTION did 9 7408 5 ML omg e os 210 6888 am o z 6 110 ddd VNNALNV DEH 1550 XU ES 44 6 7 8 7 2 PARTS 7 2 11C Pin Functions
47. rce keys SYSPW lt H Pin 43 10 Completes power on operation After that proceed to each source operation DEH 1550 XU ES 53 7 8 m 7 4 CLEANING Before shipping out the product sure to clean following portions by using the prescribed cleaning tools Portions to be cleaned Cleaning tools CD pickup lenses Cleaning liquid GEM1004 Cleaning paper GED 008 54 DEH 1550 XU ES 1 2 8 OPERATIONS Head unit 1 CLOCK button Press to to the clock display 2 button You can eject CD by pressing EJECT 3 AUDIO button Press to select various sound quality con trols 4 A Y lt p buttons Press to do manual seek tuning fast for ward reverse and track search controls Also used for controlling functions 5 DETACH button Press DETACH to release the front panel 6 BAND button Press to select among three FM and one AM bands and cancel the control mode of functions 2 LOUDNESS button Press to turn loudness on or off LOCAL BSM button Press to turn local function on or off Press and hold to turn BSM function on or Off 9 1 6 buttons Press for preset tuning SOURCE button This unit is turned on by selecting a source _ Press to cycle through all of the available sources a 4 VOLUME Press to increase or decrease the volume 2 EQ button Press to select various equalizer curves 8 DEH 1550 XU ES EM 7
48. s 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 DEH 1550 XU ES 1 Ss 2 3 pz 4 Ej 6 7 8 5 SAFETY INFORMATION bt 2 een ON 4 2 EXPLODED VIEWS AND PARISLISIuuuuu u ul uuu u y u uu a E SSE 5 TIT AC 5 IC 6 2 3 CD MECHANISM MODULE et 8 3 BLOCK DIAGRAM AND SCHEMATIC 10 2 442 660166 666 6 10 10 3 2 OVERALL CONNECTION DIAGRANI GUIDE PAGE uu l ui aa 12 UT uu 18 MECHANISM MODULE uuu uuu uu u ast aute riu 20 A PCB CONNECTION DIAGRAM I u u u u u bA 24 ER 24 c 28 4 3 CD MECHANISM MODUIE ULU ENEE 30 5 ELECTRICAL PARTS LIS T uuu
49. trol Input pin for preamplifier for thread CH3 preamplifier output pin Input pin for inverting input for CH3 preamplifier oin for non inverting input for CH3 preamplifier PreVcc BA5996FP 14 1 15 28 NJM2391DL 1 33 Foz current EE o0 DEH 1550 XU ES 1 EN 2 EN 3 EN 4 IC 2 2 5V 3 3V FMRF MIXER IF AMP DET FM MPX adj adj IC 4 3 3V 9 2 5V 2 5V DGND AUDIOGND Symbol AMANT 2 IRFGND 3 IFMANT I O Explain AM antenna input AM antenna input high impedance pin is connected with an all antenna by way of 4 7uH LAU type inductor series circuit including an inductor and a resistor is connected with RF ground for the countermeasure against the ham of power transmission line ground antenna input power supply signal 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 High active clock data in non connection osc ground power supply Power supply for EEPROM pin 13 is connected with a power supply of micro
50. used x 32 DALMON Stand byoutput 33 ysa GD 0 O _____34 O Telephone mute output 0 3539 Notused 7 40 RECIEVE Notused 0 O 41 VDCONT VDcontroloutput 0 2 Notused 43 SYSPW System power supply control output O NC Notused __ 6 J 4b PEE 0 Beeptoneoutput 00000 46 Key input Remote contro 41 NC J Nousd 48 MUTE System mute output 00 ANTPW O Antenna output C 0 O Notused _ VST O Strobe pulse output for electronic volume O Data output for electronic volume VCK __ Clock output for electronic volume Notused 2 EEPROM chip enable 2 Z gt 1 __ EEPROM chip enable output1 0000 Notusd __ 60 O P leksemeipu a gt gt m Dir 6 E 7 8 DEH 1550 XU ES 45 XT1 AVDD E TEMP VDSENS DISCSENS 80 STRKEY 46 VO Not used VD power supply voltage sense input CD DISC sense input Key data Remote control IC s marked by are
51. y Bulun aas 220 uun3 03 201 55918 Bulun 4995 0 uaUM y ui sueedde 11201 uo Hulun aes 5391 UIN ol 168 1 201 5944 L uondeoaJ pooD 494 sjeubls BuoJjs suonejs 8501 Ajuo ui eun 191 yeas 9201 515 615 6 4 5 ui 9 1 salouenbeu uon 215 01884 A pue Y esn D7 DEH 1550 XU ES 9901 990 ve Jeued 34041 BU JO 949 aU q1noqv esned 14104 ay 1 lan esned 0 9 55941 Z Sesned 25 1 8u Jo Aeld Aejdsip y ui 599005 4gnWd uo esned 0 9 55 4 JO yo2eqAeld dois 5 8 esned ypeqAe d 51 Ae d eadal 81 PABMIO 159 10 nof 34 y pue O enunuoo X991 eu jo 359634 03 s 5594 Z JaAeld DEH 1550 XU ES 58 2 20 Ies zt 1oxeods wA zf IOLA 19510 1 WH 41 9
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