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1. 1 CD MECHANISM MODULE SECTION PARTS LIST Mark No O1 P WRN Description Connector CD Core Unit C7 Connector CN701 Connector CN101 Screw Screw Screw Screw Screw Screw Screw Screw Screw Washer Spring Spring Spring Spring Spring Spring Spring Spring Spring Short Pin Volume VR801 Shaft Arm Lever Lever Lever Lever Arm Arm Holder Holder Frame Frame Lever Stopper Frame Bracket Plate Cover Sheet Part No CDE6069 See Contrast table 2 CKS1953 CKS2272 BMZ20P025FMC CBA1037 CBA1041 CBA1176 CBA1362 CBA1387 CBA1470 CBA1476 CBA1486 CBF1038 CBH2172 CBH2173 CBH2174 CBH2175 CBH2285 CBH2177 CBH2178 CBL1390 CBL1392 CBL1239 CCW1023 CLA3304 CNC7901 CNC7902 CNC7904 CNC7905 CNC7906 CNC7908 CNC7909 CNC7911 CNC7912 CNC7917 CNC7918 CNC7919 CNC7920 CNC7921 CNC8354 CNC8375 CNC8434 CNM6009 Mark No 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Description Spacer Sheet PCB PCB Ball Gear Belt Gear Gear Rail Lever Gear Arm Holder Guide Guide Holder Holder Clamper Gear Gear Holder Lighting Conductor Mechanism PCB Connector CN801 Connector CN802 Damper Unit Chassis Unit Chassis Unit Magazine Holder Unit Frame Unit Arm Unit Screw Unit CDX P656 Pe5 Part No CNM6146 CNM6296 CNP5227 CNP5228 CNR1189 CNR1531 CNT1086 CNV5472 CNV5473 CNV5474 CNV5475 CNV
2. t NR RP iii a z 5 o 9 o ul J it a E o ASENSFM m 722 gt gt O H o RO1 m 0 ol o lt lt lt o D A 0 wo M o O 10 0 0 0 0 0 0 wo 10 10 85669 444 40545 445 M Ee lt IL OAOA lt lt lt a lt 4 A si lt lt 5 5 O d m 44 lt lt gt 2 ul gt gt 9 DCE1 L 1 O o ib TXSI D3 TXSI TXSO1 04 5 4 TSCK4 D5 TSCK1 TSTB1 D6 TSTB1 M D7 LOUT ES 701 AAGND 85 ih PLCS PD5513A E SNB DSP m s SYSTEM CONTROLLER FOK MIRA LOCK TRP Lock XSCK1 AVSS XSCK1 11 2 XS01 VDIN XSI xSI Y D XSTB1 4 x a XSTB1 Q0 oc Ee jul 2 2 4 ul gt XAO1 FF gt 2 02 02 lu lw FF a o 4 x gt 2 moo gt x a a ln 1 en gt x gt 2 AHH nio 0 5 1 m x o EVREF EVREF Y EREF 9 EREF T EPVO e MAG O o O EUSW EUSW ASTSW 2 Astsw of TRP lt DSP DSP DISC x DISC VD J 143 113 104 1040 1 5 0 D gt 0 m 72 D lt VDD FBIN IN4 RSTINOUT1 5 OUT
3. CMOS __6________ 31 100 gt Middle resistivity N channel open drain 50 81 e S TC7SH32FU 1 5 VCC 2 INA 3 GND 4 OUT Y 39 CDX P656 Pe5 7 2 DIAGNOSIS 7 2 1 DISASSEMBLY CD Mechanism Module Removing the Upper Case not shown 1 Remove the night screws 2 Remove the Upper Case Removing the CD Mechanism Module Remove the four dampers Fig 5 Disconnect the connector Fig 5 Remove the two springs Fig 5 Disconnect the connector and then remove the CD Mechanism Module Fig 6 5555 Removing the Grille Unit not shown 1 Press the two tabs indicated by arrows and then pull out the Grille Unit Removing the Power Unit Fig 7 Remove the two screws Remove the screw Remove the claw and remove the Power Unit Power Unit Fig 7 40 CDX P656 Pe5 Removing the Pickup Unit 1 Insert the short pin from the pickup unit in the flexible substrate 2 Remove the flexible substrate from the connector 3 Remove the flexible card from the connector 4 Remove the lead wires to which the spindle motor and carriage motor assy were soldered 5 Remove the two screws and lift the relay substrate up as shown in the figure on the upper right At this time make sure that the flexible tray motor printed circuit board and flexible relay card are not pulled exces sively Flexible card Short Pin A SES Relay substrate Pe Flexible PCB han dle with ca
4. SERVO DSP CN801 DAC HOLOGRAM HH PL 201 UPD63710GC FOCUS ACT TRACKING ACT 9 PRG CPDO UCI CN802 UC ERVO DRIVER TIRE CRG co M MOTOR Ld m 50 702 rad TC SHS2FU SRM2B256SLTMX70 4 Be SPDL A SO MOTOR gt B swircH PCB 30 22 SYSTEM CONTROLLER 76 10 COMUTE POWER IC 701 PD5513A Pcs hie iC 75 MAC EVREF LINEAR POSITION g SENSOR on 1 1 5801 5805 5802 4701 EJECT MAG RESET RSTII 3 202 1 5V REGULATOR 48 1 604 7 BA4560F 603 3 BA4560F UC MODEL ONLY PD4501 IC 501 am ep den GUB APR ap ANB dde em em em em pm em gn em 50 29 22 SH32FU RSTIN IP BUS DRIVER 1 6 eee HA1218 7FP 8 VDD SVC Q770 1 04 PAJOO2A VD i 2 POWER UNIT 0941 CD MUTE C906 SV FILTER 8V REGULATOR ASENB 8 CDX P656 Pe5 FUSE BATT GND 49 CDX P656 Pe5 8 OPERATIONS AND SPECIFICATIONS 8 1 OPERATION Clear button 8 2 SPECIFICATIONS General SV S ua IDs EM Signal format EE If the power does not switch on or if the compact disc player does not operate when the button on the
5. Holder Holder Lower Case Unit Grille Unit Screw 2 CONTRAST TABLE CDX P656 X1N UC and CDX P25 X1N EW are constructed the same except for the following Mark No Symbol and Description CDX P656 X1N UC 8 24 26 27 29 30 33 36 39 40 Grille Unit Door Door Lever Grille CD Mechanism Module Sheet Double Faced Tape Batch Part No BMZ26P040FMC BMZ30P040FZK CAC4632 CBA1460 CBH1859 CDE5525 CDE5783 See Contrast table 2 CNB2431 CNC8058 CNM6074 CNS5216 CNV5591 CWX2299 BMZ26PO60FMC CKS 460 CKS3407 CKS4072 CNC8055 CNC8056 CXB3395 See Contrast table 2 BPZ20POSOFMC CDE5831 CXB4374 CAT2045 CAT2046 55392 55290 CXK4805 Not used CNM6211 CAH 1680 Mark No 26 27 28 29 30 31 32 33 34 35 Description Door Door Holder Lever Grille Screw Angle Assy CD Mechanism Module Screw Screw Sheet Transistor Q910 Seal Double Faced Tape Batch Caution Card Part No CDE5830 CXB4383 CAT2013 CAT2014 55391 55292 4800 1682 Not used Not used CDX P25 X1N EW CDX P656 Pe5 Part No See Contrast table 2 See Contrast table 2 CNC8139 See Contrast table 2 See Contrast table 2 HME AOPOSOE ZK 591 See Contrast table 2 IMS20PO35FZK IMS26P040FMC See Contrast table 2 2502396 5599 See Contrast table 2 See Contrast table 2 CRP1195 CDX P656 Pe5 2 3 CD MECHANISM MODULE QT ee
6. 91 81 92 82 93 83 94 84 6 CRG Move 100TR Jump Only 11 ELV select ELV dowm Disc 12 1 TRAY select TRAY out 12 ELV select ELV up Disc 1 12 TRAY select TRAY 2 8 Voltage of CRG Motor 2 V Display 43 CDX P656 Pe5 Error Messages CD is not operative or stopped during operation due to an error the error mode is turned 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 min utes 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 Err xx il JJ When the system is manufactured for an OEM basis the error display will be configured according to the customer specification 2 Error Code List Displayed error code Description of the code and potential cause s Carriage Home NG CRG can t be moved to inner diameter CRG can t be moved from inner diameter Failure on home switch or CRG move mechanism Stai
7. C3T 3T detection capacitor additional pin 24 RH LBE signal input for EFM data regulation Z gt 75 AGCO O LBE signal output of after gain adjustment 0025 76 AGCI RF AGC amplifier input S 77 RO O LBE summing amplifier output __ 78 2 LBE amplifier equalizer parts __ Z o 79 EO1 RFamplifierequalizerpartsadditionalpin ________ 80 RF summing amplifier inverted input _____81 AGND Analog circuit GND 8 A l j PhotdeteetorAinput 23 C LI Photo detector C input 00 2 84 B Il Photo detector B input 02 detector D input o ___86 F I Photo detector F input 0 2 87 E I Photo detector E input 02 88 AVDD Positive power supply terminal to analog circuit 89 REFOUT O Reference electric potential output gt Z gt S 90 F Focus error amplifier inverted input ____92 TE I Tracking error amplifier inverted input Z gt Z o O 95 TEC Tracking comparator Input 96 AGND Analog circuit GND 02 97 PD ____ detection signal input for LD output monitor 98 LD O __ LD control current output __ S O ____99 PN 1 APCcircuit control polarity set pin 100 A VDD Positive power supply terminal to analog circuit 0 CDX P656 Pe5 UPD63710GC IC s marked by are MOS type Be careful in handling them because they are very 100 liable to be damaged by electrostati
8. Ge lt I 4 d lt 25 GND qm a 0 X 9 e DND M DGND2 ala al sal a 16 93MHZ GEN XSTB DCE PACK TXSI TXSO TSCK TSTB O AAGND O R662 t1 K C656 DCE1 PACK HOME TXSI TXSO1 AR3VLR TSCK1 180P TSTB1 ROUT 27 26 R305 SD L1 25 R306 10K AAGND BA4560F IN1 OUT2 IN2 IN1 LOUT 180P 1 INe GND 24 7R5K 23 S R307 MD 22 R308 7ASK VEE IN2 CONT BA4560F FOK 47 6R3 MIRA LOCK XSCK R298 1 R256 580 C LOCK BO C665 XSCK1 XSO1 21 20 19 18 5 SM SOM 17 5 EN SOP 16 C 15 ech o PGND2 o PGND 1 DRIVER XSI XSTB1 1 XRST1 EVREF EREF 100 10 EPVO MAG EJSW RSTSW TRP DSP DISC VD VD 113 104 0000000000000000000000000000000600 gt c MOTOR DRIVER ER 1 2 4 iB CDX P656 Pe5 NN LOUT E AAGND ROUT m VDD YIY
9. Switch ACC back up OFF If the 8 or 9 key is pressed while focus search is in progress immediately turn the power off otherwise the actuator may be damaged due to the lens stuck Jump operation of TRs other than 100TR continues after releasing the key CRG move and 100TR jump operations are brought into the Tracking close sta tus when the key is released Powering Off On resets the jump mode to Single TR 91 the RF gain setting to 0 dB and the auto matic adjustment value to the initial value During exchanging discs do not press the keys for the discs to be exchanged Key to adjustment text HEAD UNIT 6 keys type inside 12 keys type BAND BAND TRK FF TRK REV TRK FF TRK REV 12 DISC DISC SOURCE ON OFF SOURCE ON OFF CDX P656 Pe5 nue a Test Mode In lt Reset Sourse CD SOURCE New test mode Power ON Adjustment for T Offset Power ON RF AMP Gain Select 00 00 00 Not adjustment for T Offset Display TRK MIN SEC TRK MIN SEC 99 99 99 GG GG GG Display Power OFF Focus Close Focus Mode heck a Tracking Servo Close CRG CRG Auto Adjustment Display Select 91 91 91 Display OX Ox Ox 00 00 00 00 00 00 00 00 00 or or or TRK MIN SEC TRK MIN SEC TRK MIN SEC 99 99 99 99 99 99 99 99 99 Power OFF T Close and F T AGC and T Closeand RF AGC Coefficient Display CRG CRG T Balance RF AGC and Fit Servo R
10. 803 7 8 MAG SW 1 2 MAG GND1 VC CSN1044 LB1836M T MOT 6 EN 7 m 8 CDX P656 Pe5 NOTE Symbol indicates a resistor No differentiation is made between chipresistors and Decimal points for resistor discrete resistors and capacitor fixed values H Symbol indicates a capacitor are expressed as No differentiation is made between chip capaci tors and 2 222R2 discrete capacitors 0 0225R9022 EX core UNIT C502470P Y 0 g e a Fa a 0 0 J J si tts OYT 9 3 ua Hise l I O 4 gt mt A joo oj gt o ID gt D mo gt 2 2 0 lt CeD3 2 gt lc 0 C db gt 50 Idm 2 C2D3 T E Cade 49 CS A gt 48 iD gt F 4 C1D2 47 c1D1 C1D1 GND3 GND PLCK WFCK 34 c218 gt LOCK R1 0 D IC201 vena UPD637 10GC All 0 UCmodel RF AMP SERVO DSP DAC Le a LRCKIN 16 33 SCKO 1274 49 32 DOUT SCKIN 31 _ 7 AEW model DOUT 1 45 R202 ORO DIN lt 29 FLAG Su a FLAG 28 2 2 D a OVDD2 gt DOOD gt 2 a 8 O gt
11. REV nsvrn Ll EE rp parameter display switching e T BAL adjustment T Open offset adjustment not performed 0 5 0 5 50 05 5 5 0 ___ ________ Jump E jm o y O T No Time switching EN 7 AGC Jump switching CDX P656 Pe5 Key Mechanism Test Mode Example E cH EG 9 TRAY ELV select E 10 OM Operation step select Note Eject and CD on off is performed in the same procedure as that for the normal mode 3 Cause of Error and Error Code Code Description and cause Damages stains on disc vibrations or failure on servo Damages stains on disc vibrations or failure on servo Damages stains on disc vibrations or failure on servo Damages stains on disc vibrations or failure on servo Note Mechanical errors during aging are not displayed 42 The error codes should be indicated in the same way as in the normal mode 4 Display of Operational Status CPOINT during Setup 00 CD 5VON process in progress Servo LSI initialization 1 3 in progress Servo LSI CRAM initialization in progress Servo LSI initialization 2 3 in progress Offset adjustment 1 3 in progress Offset adjustment 2 3 in progress 06 Offset adjustment 3 3 in progress None gt S y OO 08 Servo LSI initialization 3 3 in progress None y O on home switch Specified 10 seconds has been
12. multi CD controller is pressed or if the multi CD controller display is incorrect press this button on the player with the tip of a pencil to restore normal operation This button is located inside the door Always press the clear button on the multi CD controller too after pressing this button f the clear button is pressed when the player contains a magazine or the ignition switch is set to the ON or ACC position the CD title display and ITS memory are cleared Compact disc audio system Compact Disc Sampling frequency 44 1 kHz Number of quantization bits 16 linear Power 10 8 15 1 V allowable Max current CONSUMPTION eee WE Dimensions eere Audio Frequency characteristics Signal to noise ratio RI eu d e Dynaniic range Leeder Output level NE Number of channels Note 14 4 V DC 1 0 A 1 9 kg 4 2 Ibs 248 W x 66 H x 169 D mm 9 3 4 W x 2 5 8 H x 6 5 8 D in 5 20 000 Hz 1 dB 92 dB 1 kHz IHF A Network 0 005 90 dB 1 kHz 1 000 mV 1 kHz 0 dB 2 stereo Specifications and design are subject to possible modification with out prior notice due to improvements
13. passed or failure on home switch 20 Servo close started Standing by after focus close is over Focus search preprocessing is in None progress while setup protection is turned on ao CDX P656 Pe5 Status No Protective action 26 Focus search preprocessing is in None orogress while focus recovery is turned on 34 Waiting for spindle rotation to end Off focus Spindle rough servo 36 37 38 RF AGC ending process in progress 39 40 Standing by after tracking is closed Off focus Carriage closing in progress 41 Focus tracking AGC started Off focus Focus AGC started Off focus Focus AGC in progress Off focus 44 Tracking AGC in progress Off focus 45 Standing by after focus tracking AGC are over Off focus 46 Spindle processes applicable servo Off focus 5 Display Examples 1 During Setup When status no 11 TRK No MIN SEC 11 bk 11 2 During Operation read TRK search Play FF and REV The same as in the normal mode 3 When a Protection Error Occurred Switch to the following displays A and B using the BAND switch A Error occurrence timing display absolute time An example Error occurred in 12th tune at 34 56 in absolute time TRK No MIN SEC 12 34 56 B Error No display An example Error 40 Off focus is detected ERROR 40 4 7 CDX P656 Pe5 7 3 BLOCK DIAGRAM PICKUP UNIT MECHANISM unit SERVICE _ PCB 0101
14. pin for indicating the error correction results 47 C1D2 O Output pin for indicating the C1 error correction results 48 C2D1 O Output pin for indicating the C2 error correction results 49 C2D2 O Output pin for indicating the C2 error correction results 50 C2D3 O Output pin for indicating the C2 error correction results VDD o Positive power supply terminal to logic circuit 3 CDX P656 Pe5 3 52 PACK 0 CD TEXT PACK synchronous signal 53170 O CD TEXT data serial output 00 D TS CD TEXT control parameter serial np 655 1 CD TEXT serial clock input 56 TSTB CD TEXT parameter strobe signal Input ___57 GND Logic cireuit GND 2 58 TEST gt _____60 RFMODE 9 Use notuseselectforinternalRFamplifier 00 61 AGND AnalogcircuitGND 62 FD O Focus drive output 0 0 63 TD O __ Tracking drive output 00 64 SD O JjjSleddriveoutpt 65 MD LO __ Spindledrive output 0 2 66 DACO O DAC output for adjustment 02 67 0 DAC output for adjustment gt gt o 68 TBAL 0 DAC output for adjustment 02 69 TEVCA O DAC output for adjustment 0 2 70 AVDD Power supply terminal to analog circuit P71 ____ ___ FM signal output 0 O 72 ASY EFM comparator reference voltage Z gt o _____73
15. the negative probe change the frame of the measuring instrument to floating sta tus If by accident REFO comes in contact with GND immediately switch the regulator or power OFF Always make sure the regulator is OFF when connect ing and disconnecting the various filters and wiring required for measurements Before proceeding to further adjustments and mea surements after switching regulator ON let the player run for about one minute to allow the circuits to stabi lize Since the protective systems in the unit s software are rendered inoperative in test mode be very careful to avoid mechanical and or electrical shocks to the sys tem when making adjustment Disc detection during tray extraction and return oper ations is performed by means of the photo transistor in this unit Consequently if the inside of the unit is exposed to a strong light source with the outer casing removed for repairs or adjustment the following mal functions may occur Even with a disc loaded the unit detects no disc and cannot start play Although a 12 cm disc is loaded the unit detects disc mistakenly When the unit malfunctions this way either re posi tion the light source move the unit or cover the photo transistor During exchanging discs do not press the keys for the discs to be exchanged ao module of the device Test mode starting procedure Reset while pressing the 4 and 6 keys together Test mode cancellation
16. 0P x 5 lt 4 C103 47 6R3 100 6R3 M ge e e e D nm Or TET R21727K 9 102 86 PS C E REES A VDD2 RF HOLOGRAM UNIT J C210220P A e e e e B B e CRG MOTOR M854 CXB3004 SPDL MOTOR M851 CXB3003 D D og wo VLED CSN1051 HQMESW 5853 1 10W DISC PT4800 0851 SWITCH DSP OV DsPsw S852 CSN1051 x vo TRP TRPSW S851 CSN1052 GND 7 R801 220 270 1 10W 85 CN504 2 TRY 100 6R3 REF 1 VCC3 wes por ECT Cam CXB3005 las R ELV TRE ELV MOTOR 23 S ade M852 22 i 21 20 SIGNAL LINE 19 FOCUS SERVO LINE OM Eur UR TRACKING SERVO LINE i 16 C mu C i i CARRIAGE SERVO LINE cop HS R805 EN SPINDLE SERVO LINE BA5986FM GND Ss 4CH SERVO D I 5801 1 2 EJSW R22 1C302 EJECT SW WD 4 i j 1 CSG1076 I1 2 13 S802 IN1 IN3 4 2 _ A806 RSTSW 3 1 OUT1 OUT3 m 4 14 A 9 9 vSi IN 5 10 CSG1076 OUT2 OUT4 ie 12 6 INe IN4
17. 16S473J RS1 16S473J CDX P656 Pe5 Symbol No Part Name Part No Symbol No Part Name Part No R 731 RS1 16S222J C 302 CKSOYB224K16 R 732 RS1 16S683J 501 UC model 5 104 25 733 51 165222 502 UC model CKSRYB471K50 R 734 51 165473 651 CCSRCH391J50 R 735 RS1 16S222J 652 CCSRCH391J50 R 736 51 165103 653 CCSRCH181J50 R 737 RS1 16S433J 654 CCSRCH181J50 R 738 51 165104 655 CCSRCH181J50 R 739 RS1 8S2R0J C 656 CCSRCH181J50 R 740 RS1 8S2R0J C 661 CKSOYB104K25 R 741 51 165102 664 CKSRYB103K25 R 742 51 165104 665 CEV470M6R3 R 743 51 165104 666 CKSRYB103K25 R 744 RS1 16S223J 701 CKSRYB103K25 R 745 51 165104 702 CKSOYB473K16 R 747 RS1 16S472J 703 CKSOYB473K16 R 750 RA4C473J 707 CKSRYB103K25 R 751 RA4C473J 708 5 104 25 R 752 RN1 16SE3602D 710 CKSRYB103K25 R 753 RN1 16SE6801D 711 CKSRYB102K50 R 754 RS1 16S221J 712 CKSRYB102K50 R 755 51 165104 714 5 104 25 756 RS1 16S221J C 715 CSZST220M16 R 759 RS1 16S472J 717 CKSRYB103K25 R 760 51 165104 718 CKSRYB103K25 R 761 51 165104 719 CKSRYB102K50 R 764 RS1 16S473J 720 CKSRYB102K50 R 801 RS1 108221J C 721 CKSRYB103K25 R 802 RS1 108271J C 722 CKSRYB103K25 R 804 51 165562 801 CKSRYB103K25 R 805 RS1 16S562J 802 5 104 25 806 51 165102 803 CKSRYB103K25 CAPACITORS Unit Number CWX2299 Unit
18. 2 IN2 6 o OUT3 INS lt lt 7 RSTOUTCT4 m Y N 9 NIE be GND VD L 1 EN 2 EN EN 4 8 ROUT AAGND LOUT OLOUT 4 OLOUT2 9 ROUT1 CDX P656 Pe5 701 CDMUTE SVC 5 6 7 GND CE VDD lt lt A14 1 28 d x x tfa Olo aj ve gt INB MO N O O 0 10 H 0 ol 10 Sd XSTB1 GND OUTY 4 ZIX 56 2901 CS 48 L SYSPW __ 47 R760100K WR 46 BHE 45 R764 ai i1 d RD Es 44 BCLK 43 42 HOLD o 41 2R2K ALE R750 40 A724 47K RDY LEI M6M12 GGC1257 xsck 8 SRM2B256SLTMX70 ME uc SRAM 36680 501 50 CC CEE TESTIN E FMIPSW 34 OTESTINA71547K KYDT a 5 y CDMUTE gt 2 ju lt WU gt HWM O0 8709100 3 R708 o C R713 47 R747 4R7K VDD IP BUS DRIVER VDD IPPW IC703 1 8 E 2 l IPOUT BUSM BUSP POWER b OUT OROUT2 i E i ASENB DJ D Ul h m 5 7 0 1 e 0 BSENIN O VD POWER UNIT e CDX P656 Pe5 Note 1 The encircled numbers den
19. 5477 CNV5478 CNV5480 CNV5481 CNV5482 CNV5483 CNV5484 CNV5485 CNV5486 CNV5562 CNV5563 CNV5785 CWX2303 CKS1965 CKS3486 CXA7714 CXB2850 CXB2851 CXB2853 CXB4426 CXB2855 CXB2857 Motor Unit M851 SPINDLE CXB3003 Motor Unit M854 CARRIAGE Screw CXB3004 JFZ20P025FMC Motor Unit M853 TRAY 4421 Screw Motor Unit M852 ELV Screw Lever Unit Gear Unit JFZ20P025FMC CXB3006 JFZ20P025FMC CXB3938 CXB4338 CDX P656 Pe5 Mark No Description Part No 91 Screw JGZ17P025FZK 92 Pickup Unit Service CXX1285 95 5 IMS26P040FMC 96 Screw JFZ20P025FNI 97 Photo transistor 0851 4800 98 Spring Switch S851 S853 CSN1051 99 LED D851 CN504 2 100 Spring Switch S852 CSN1052 2 CONTRAST TABLE CDX P656 X1N UC and CDX P25 X1N EW are constructed the same except for the following Mark No Symbol and Description CDX P656 X1N UC CDX P25 X1N EW 2 CD Core Unit C7 CWX2261 CWX2260 10 CDX P656 Pe5 2 4 MAGAZINE ASSY MAGAZINE ASSY SECTION PARTS LIST Part No Mark No Description CXB4027 CRW1395 CNV5341 1 Magazine Assy 2 Label 3 Tray 11 1 EN 2 1 3 pn 4 CDX P656 Pe5 3 SCHEMATIC DIAGRAM 3 1 OVERALL CONNECTION DIAGRAM Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST PICKUP UNIT SERVICE UD MEN vec GND C204 330
20. 656 P25 0942 1 EN 2 3 EN CDX P656 Pe5 4 3 MECHANISM PCB MECHANISM PCB PICKUP UNIT M851 SERVICE CN101 4 4 SWITCH PCB D SWITCH PCB 5 DSP ES 6852 5851 O D851 O 1 2 3 EM 4 CDX P656 P25 4 5 MOTOR PCB MOTOR CDX P656 Pe5 5 ELECTRICAL PARTS LIST NOTE Parts whose parts numbers are omitted are subject to being not supplied The part numbers shown below indicate chip components Chip Resistor RS1 OSOOQOJ RS1 0OSOQOOJ Symbol and Name Part No Circuit Symbol and Name Unit Number CWX2261 CDX P656 X1N UC R 259 CWX2260 CDX P25 X1N EW R 260 Unit Name CD Core Unit R 298 R 301 MISCELLANEOUS R 302 IC 201 UPD63710GC R 303 IC 202 IC BAO5FP R 304 301 IC BA5986FM R 305 IC 302 IC LB1836M R 306 501 IC UC model PD4501B R 307 603 IC BA4560F R 308 IC 604 IC BA4560F R 309 IC 701 IC PD5513A R 311 1702 SRM2B256SLTMX70 GGC1257 R 501 IC 703 IC HA12187FP R 651 IC 704 IC PAJ002A R 652 IC 1705 IC TC7SH32FU R 653 Q 101 Transistor 25 1132 654 Q 701 Transistor DTA144EK R 659 1770 Transistor 2SB1184F5 R 660 Q 771 Transistor 25 2412 661 D 201 Diode 1SR154 400 R 662 D 601 Diode UDZ7R5 B R 663 D 730 Diode 155356 664 D 770 Diode 155355 665 X 202 Ceramic Resonator 16 93MHz CSS1456 R 666 X 701 Ceramic Resonator 10 00MHz CSS1476 R 669 S 801 Push Switch EJEC
21. Master Spare Parts List Screws adjacent to V mark on the product are used for disassembly PACKING SECTION PARTS LIST Part No Mark No Description CDX P656 X1N UC CDX P25 X1N EW 11 12 13 14 1 14 2 14 3 14 4 14 5 15 16 17 18 19 20 21 Screw Assy Screw Polyethylene Sheet Screw Screw Nut Polyethylene Bag Polyethylene Bag Carton Contain Box Protector Protector Seal Owner s Manual Owner s Manual Warranty Card Caution Card Caution Card Magazine Assy Angle Assy Cord Caution Card Caution Card Owner s Manual CDX P656 X1N UC CRD2887 English French CRD2893 English Italian French CDX P25 X1N EW CEA1962 CBA1295 CNM5158 HMB60P500FMC HMF40P080FZK NF60FMC CEG1099 CEG1185 CHG3713 CHL3713 CHP2133 CHP2134 CNM5599 CRD2887 Not used CRY1070 CRP1201 CRP1205 CXB4027 CXB3591 CDE5831 CRP1090 CRP1195 CEA1962 CBA1295 CNM5158 HMB60P500FMC HMF40P080FZK NF60FMC CEG1099 CEG1042 CHG3715 CHL3715 CHP2133 CHP2134 CNM5599 CRD2893 CRD2894 CRY 1087 CRP1203 CRP1205 CXB4027 CXB3591 CDE5830 CRP1090 CRP1195 CRD2894 German Dutch Spanish CDX P656 Pe5 2 2 EXTERIOR 41 4 656 MODEL 1 EXTERIOR SECTION PARTS LIST Mark No oF WRN Description Screw Screw Button Screw Spring Connector Connector Cord Upper Case Arm Insulator Panel Damper Power Unit Screw Plug CN901 Connector CN921 Connector CN911
22. Name Power Unit 101 CKSRYB102K50 102 5 104 25 MISCELLANEOUS 103 CEV101M6R3 104 CEV470M6R3 910 Transistor 2SD2396 105 CKSOYB334K16 911 Transistor IMD2A 912 Transistor 1 106 CKSOYB334K16 Q 941 Transistor FMG12 107 CKSOYB334K16 942 Transistor IMD2A 201 5 104 25 202 CEV101M6R3 D 901 Diode 1SR139 400 203 5 104 25 D 902 Diode 1SR139 400 D 910 Diode HZS6L B1 204 CKSRYB332K50 D 941 Diode MA152WA C 205 5 104 25 L 901 Choke Coil 1mH CTH1047 206 CKSRYB392K50 207 CKSOYB224K16 RESISTORS C 208 CCSRCH270J50 R 901 51 105204 209 CCSRCJ3R0C50 R 902 RS1 10S104J 210 CCSRCH221J50 R 910 51 85431 211 CCSRCH101J50 R 911 RS1 10S681J 212 CKSRYB682K50 R 912 51 85101 213 5 104 25 913 51 105512 215 5 104 25 914 51 105132 216 5 104 25 R 915 RD1 4PU151J 217 5 104 25 921 RS1 10S101J 218 5 104 25 922 RS1 10S101J 220 5 104 25 923 51 105102 253 CKSRYB471K50 R 924 RS1 10S473J 271 CEV101M6R3 R 941 RS1 10S112J 272 33uF 10V CCH1300 R 942 51 105112 273 CKSOYB334K16 R 943 51 105362 301 101 10 944 51 105362 945 51 105222 7 CDX P656 Pe5 CAPACITORS 901 902 470uF 16V 903 904 470uF 16V 906 0 22F 5 5V 910 911 912 913 941 942 Unit Number C Unit Nam
23. Normal mode play ah EE EE e Ml ie pre f z HT 2 EFM 1V div 5us div CH1 TE 1V div 2ms div 49 CH2 TEC 1V div Test mode Focus close Tracking open 1V div 10ms div Normal mode Play Lu AA TI TH 2V div 10us div CHI TE 0 5V div 0 2s div 05 SCKO 2V div 1us div DOUT 6 2 FE 0 5V div Normal mode Play Normal mode AGC after focus close Normal mode Play CE e e E qm d 5Oms div LRCK 2V div 20us div VD 5V div Normal mode Play Normal mode No disc 77 CDX P656 Pe5 CH1 R OUT 2V div FE 0 2V div 1 0 2 1 CH2 LOUT 2vidiv 50099 CcH2 FD 79 9 CH2 0 5V div Normal mode Play 1kHz OdB Normal mode During AGC Normal mode During AGC 1ms div Ls dic anc d A AAAANAAAAAAAAL NATO PW ue 25 S NUN gt re VAN LA REFO D CH1 RFI 1V div 3 CH1 FD 1V div 9 CH1 TD 0 1V div CH2 HOLD 5V div CH2 HOLD 5V div CH2 HOLD 5V div Normal mode The defect part passes Normal mode The defect part passes Normal mode The defect part passes 800u
24. Pioneer CDX P656 X1N UC Service Manual ORDER NO CRT2317 MULTI CD COMPACT DISC PLAYER X1N UC DX 25 X1N EW DIGITAL AUDIO See the separate manual CX 892 CRT2356 for the CD mechanism description disassembly and circuit description The CD mechanism employed in this model is one of C7 series CONTENTS 1 SAFETY INFORMATION 3 7 GENERAL INFORMATION 35 2 EXPLODED VIEWS AND PARTS LIST 4 UE Mo 35 3 SCHEMATIC DIAGRAM 12 7 2 DIAGNOSIS pt 40 4 CONNECTION DIAGRAM 20 7 2 1 DISASSEMBLY 40 5 ELECTRICAL PARTS LIST 26 7 2 2 WE MODE e 42 6 iu ii eS x rai Spada 29 7 3 BLOCK DIAGRAM pp 48 8 OPERATIONS AND SPECIFICATIONS 50 PIONEER ELECTRONIC CORPORATION 4 1 Meguro 1 Chome Meguro ku Tokyo 153 8654 Japan PIONEER ELECTRONICS SERVICE INC 1760 Long Beach CA 90801 1760 U S A PIONEER ELECTRONIC EUROPE N V Haven 1087 Keetberglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 O PIONEER ELECTRONIC CORPORATION 1999 K ZZY FEB 1999 Printed in Japan CDX P656 Pe5 CD Player Service Precautions 1 For pickup unit CXX1285 handling please refer 3 Please checking the grating after changing t
25. T CSG1076 R 670 S 802 Push Switch RESET CSG1076 R 671 S 803 Spring Switch MAG CSN1044 R 672 VR 802 Semi fixed 1kQ B CCP1338 R 673 RESISTORS R 701 R 702 R 101 RS1 8S120J R 703 R 102 RS1 8S 100J R 704 R 103 RS1 16S222J R 201 RS1 16S104J R 705 R 202 EW model RS1 16SOROJ R 706 R 707 R 205 51 165103 708 UC model R 206 51 165393 709 EW model R 207 RS1 16S182J R 208 RS1 16S304J R 710 R 212 RS1 16SOROJ R 713 R 715 R 213 51 165103 716 214 51 165103 717 215 51 165123 216 51 165273 718 217 51 165273 719 721 253 51 165681 R 722 R 254 RS1 16S681J R 724 R 256 RS1 16S681J R 257 RS1 16S681J R 725 R 258 RS1 16S681J R 726 R 727 R 729 R 730 26 Part No RS1 16S 102J RS1 16S681J RS1 16S681J RS1 16S 103J RS1 16S 153J RS1 16S 103J RS1 16S 153J RS1 16S 103J RS1 16S752J RS1 16S 103J RS1 16S752J RA4C332J RS1 16S 102J RS1 16S 102J RSK1 16S153J RSK1 168153J RSK1 168153J RSK1 168153J RSK1 168123J RSK1 168123J RSK1 168123J RSK1 165123J RSK1 16S103J RSK1 16S103J RSK1 16S103J RSK1 165103J RS1 16S101J RS1 16S101J RS1 16S752J RS1 16S 103J RS1 16S271J RS1 16S681J RS1 16S 102J RS1 16S222J RS1 16S 104J RS1 16S 104J RS1 16S222J RS1 16S 104J RS1 16S0R0J RS1 16S 104J RS1 16S473J RS1 16S473J RS1 16S473J RS1 16S 103J RS1 16S473J RS1 16S681J RS1 16SOROJ RS1 16S222J RS1 16S222J RS1 16S681J RS1 16S222J RS1 16S 104J RS1 16S513J RS1
26. V div Fch 20mV div CDX P656 Pe5 6 2 ADJUSTMENT OF ELEVATION WHEN THE CD CORE UNIT HAS BEEN REMOVED FOR MAINTENANCE Adjustment When Error Code 60 is Displayed Because of Malfunctioning Elevation Note This mechanisms is detects the height of the stage using slide variable resistance To absorb dislocation of the stage height caused by differences in the mechanism and the CD core unit adjustment must be made for each CD mechanism module using a variable resistor Normally readjustment is not needed as this has been adjusted at the factory However adjustment of elevation is required according to the procedure explained below if an elevation error has occurred or if the CD core unit has been removed e Purpose To adjust and confirm whether or not elevation operates correctly Adjustment Method Measuring Equlpment Oscilloscope One L P F Measuring Points EREF EPVO e Setting Without a magazine in Test mode With the mechanism placed upside down Place the CD mechanism module so that the CD core unit is above CD CORE UNIT Oscilloscope Confirmation Procedure Examples of display 1 Enter Test mode then select Multi CD player 2 Press key 7 to enter Mechanism Test mode TRACK FUNCTION 72 0000 3 Press key 12 twice to specify the amount of movement The
27. agazine to the third scale Fig 1 Engaged in the center and pressed downward Fig 3 Dislocated toward the sixth CD Fig 4 CDX P656 Pe5 7 GENERAL INFORMATION 7 11C Pin Functions UPD63710GC Logic circuit GND 1 GND Logic circuit GND __ MIRRoutput p 4 4 FOK O JJRFOKsigndoutput gt 5 RST Reset signal ___ 6 A0 l Command parameteridentification signal input 7 STB LI Datastrobesignalinput gt O 8 SK Clock signal input for serial data input output 0000 9 SO 10 Serial data and status signal output gt Z 10 SI I Serialdatainput gt 11 VDD Positive power supply terminal to logic circuit 12 DAVDD Positive power supply terminal to D A converter 713 _____ 14 15 DAGND D A converter GND 00 0 ____16 NC Notused L4 J 240 060 j 17 DAVDD Positive power supply terminal to D A converter 18 R LD __ Right channel audio data output 19 R 0 Right channel audio data 20 L LD Left channel audio data output 21180 Left channel audio data output 22 XVDD Positive power supply terminal to crystal oscillation circuit ______ 25 XAL o oOo Crystal oscillator connect pin 24 XTAL __ Crystal oscillator connect p
28. amount of movement changes each time key 12 15 pressed maximum movement i doen FUNCTION 72 0002 12 FUNCTION during movement 72 00 01 Key 12 Key 12 FUNCTION minimum movement 72 00 00 31 CDX P656 Pe5 Examples of display 4 Press key 9 to set ELV TRAY mode to TRAY TRACK FUNCTION 72 0102 5 Press key FF to release the clamp and return the tray to the magazine Release the clamp 6 Press key 9 to enter Elevation Move mode TRACK FUNCTION 72 0002 7 Use key FF REV to operate elevation and set if to the graduation of the third step Fig 1 8 Make the adjustment Use VR802 to adjust the difference in potential between EREF and EPVO to 0 10 mV 9 When adjustment is completed press key BAND to exit Mechanism Test mode TRACK FUNCTION 72 00 02 10 Confirm operation of the mechanism Place the mechanism horizontally CD core unit below Take care not to short cir TRACK FUNCTION cuit the PCB 11 Confirm the height of the stage Use the DISC key to select Disc No 3 TRACK FUNCTION 04 0000 Check if the stopper bend of the clamp lever is engaged in the groove of the frame stopper Fig 2 4 Note The stopper bend will be pressed downward into the groove for final clamping Confirm the engagement position of the stopper bend f the stopper bend is engaged in the center and pressed downward adjustment is completed Go to step 15 f the stopper ben
29. c induction LO CN LO r BA5986FM lt e lt d z 79 SS 9 I lt Z Z gt 5 gt S 2 d T gt L T L rm N T lt E Level shift Level shift Level shift Level shift 1n0do zz ENIdO Ez ENIdO 2 YLNOdO YNIdO PZ NIdO ZZ 99A9Jg 37 CDX P656 Pe5 Pin Functions PD5513A __12 NC 3 ADENA O ______ ADreference voltage output 004 4 TXISTE 0 TEXT parameter output B TXISO 0 TEXT control parameter serial output _________ 6 TXTSI I TEXTdataseralinpt 0 0 0 ____8 CC joint O 9 CNVSS 1 VSS joint 20 10 POWER O cpDr6vcontro 0 11 COT O JSerodrivroutputcontol 12 RESET 1 0 0 13 XOUT O Crystal oscillating element connection pin _ o SSS GNp EE 15 XIN Crystal oscillating element connection pn 16 VCC 1 LNDD 2 17 NM 18 BSENS 0 0 19 ASENS ACC power sense input 20 TXTPACK TEXT PACK interrupt input 00 2 21 PPMIN ____ O 22 O Power supply control output for IP BUS interface IC 28 NC 2 24 CSEL Compre
30. d is dislocated check the amount of dislocation by following steps 12 to 14 32 12 13 14 15 16 17 18 19 To see the amount of dislocation place the mechanism upside down If the stopper bend has been dislocated in the direction of the first CD turn VR802 to the left Fig 2 To lower the stage toward the sixth step by 0 1 mm reduce the volt age of EREF adjusted in step 8 by 20 mV If the stopper bend has been dislocated in the direction of the sixth CD turn VR802 to the right Fig 4 To raise the stage toward the first step by 0 1 mm increase the volt age of EREF adjusted in step 8 by 20 mV Place the mechanism horizontal Go back to step 11 to reconfirm the stage height When adjustment of the stage height is completed proceed as fol lows Press the EJECT switch Once operation of the mechanism has stopped turn the power OFF CDX P656 Pe5 Oscilloscope Wait more than one minute after the power is turned off then turn the power ON and insert a magazine Check if the mechanism operates correctly with the first and fourth CDs If the mechanism operates properly adjustment is completed If the mechanism operates improperly make the adjustment again 33 CDX P656 Pe5 34 Stopper bend of the clamp lever NG Frame stopper Dislocated toward the first CD Fig 2 6 4 3 2 1 Adjust the insertion gate of m
31. dress bus output 60 40 JQ SRAM address bus output 61 12 0 ____ address bus output 62 VCC 1 L VDD O 63 A7 0 9 JL SBAM address bus ouput 64 CDX P656 Pe5 65 688 A6 A3 0 SRAM address bus output 0 0 0 69 0 SRAM address bus output 00 _____70 A2 amp EPSK _ O C SRAM address bus output and E2PROM clock output _____72 AO amp EPDO O SRAM address bus output and E2PROM data output 73 NC Notued 2 0 74 EJSW TL Ejeckeyswithinterruptinput 0 75 Magazine lock switch interrupt opt 77 NC 11 Notued 0 78 JO Motor driver control output 79 2 lo L Motor driver control output 000000000 E sump 8990 NC Notusd 02 91 DSP l DiSCdetettimnginput 00 92 DISK I f Discdetector input 93 ELVPVO Voltage input from ELV position sense 94 ElVreferenevoltageinput 95 J Tray position input __ 96 ass AD GND 97 VIN Powersupplyshortsensorinpt 00 98 VREF AD converter reference voltage input 99 Jj ADVCC _____ ________ PD5513A
32. e Mechanism PCB Q 851 Photo transistor S 853 Spring Switch HOME Unit Number Unit Name Switch PCB 851 LED D S 851 Spring Switch DSP S 852 Spring Switch TAP Unit Number Unit Name Motor PCB M 853 Motor TRAY Miscellaneous Parts List Pickup Unit P8 Service 851 Motor SPINDLE 852 Motor ELV 854 Motor CARRIAGE 801 Volume 10kQ lt 25 Part No CKSOYB104K50 1183 CKSOYB223K25 CCH1183 CCL1037 CKSOYB103K50 CKSOYB103K50 CEJA220M10 CKSOYB103K50 CEJA330M10 CEJA330M10 PT4800 CSN1051 CN504 2 CSN1051 CSN1052 CXB3005 CXX1285 CXB3003 CXB3006 CXB3004 CCW1023 CDX P656 Pe5 6 ADJUSTMENT 6 1 CHECKING THE GRATING Checking the Grating After Changing the Pickup Unit e Note CD mechanism modules the grating angle of the pickup unit cannot be adjusted after the pickup unit is changed The pickup unit in the CD mechanism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted pickup unit for the CD mechanism module Changing the pickup unit is thus best considered as a last resort However if the pickup unit must be changed the grating should be checked using the procedure below Purpose To check that the grating 15 within an acceptable range 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 track search
33. he pickup to Disassembly See page 40 During replacement unit see page 29 since these screws protects the handling precautions shall be taken to prevent an mechanism during transport be sure to affix it when electrostatic discharge protection by a short pin it is transported for repair etc 2 During disassembly be sure to turn the power off since an internal IC might be destroyed when a con nector is plugged or unplugged Transportation of multi CD Player N T After removing the transport screw cover the hole with the supplied seal 6 e lt 6 Transport screw Attach to the original position before transporting the set A transport screw has been attached to the set in order to protect it during transportation After removing the transport screw cover the hole with the supplied seal Be sure to remove the transport screw before mounting the set The removed transport screw should be retained in the accessory bag for use the next time the set is trans ported CDX P656 Pe5 1 SAFETY INFORMATION 1 1 CDX P656 X1N UC CAUTION This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Qualified 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 t
34. he 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 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 1 2 CDX P25 X1N EW 1 Safety Precautions for those who Service this Unit Follow the adjustment steps see pages 29 through 34 in the service manual when servicing this unit When check ing or adjusting the emitting power of the laser diode exercise caution in order to get safe reliable results Caution 1 During repair or tests minimum distance of 13cm from the focus lens must be kept 2 During repair or tests do not view laser beam for 10 seconds or longer 2 CLASS 1 LASER PRODUCT label is affixed to the 3 The triangular label is attached to the mechanism rear of the player unit frame 4 y oa Specifications of laser radiation fields to which human access is possible during service Wavelength 800 nanometers CLASS 1 LASER PRODUCT 4 Specifications of Laser Diode CDX P656 Pe5 2 EXPLODED VIEWS AND PARTS LIST 2 1 PACKING CDX P656 Pe5 NOTE Parts marked by are generally unavailable because they not in our
35. in ____25 XGND Crystal oscillation cireuit 26 VDD Positive power supply terminal to logic circuit ___ ____27 EMPH 0 Output pin for the pre emphasis data in the sub Q code 28 FLAG Flag output pin to indicate that audio data currently being output consists of noncorrectable data 9 DIN 1 Serial data input to internal DAC o SS 380 DOUT 0 Serial audio data output o 0 0 0 31 ___ clock input to internal 32_ SCKO 0 Audio data that is output from DOUT changes at rising edge of this clock 88 LRCKIN LRCK signal input to internal DAC O 34 LRCK Signals to distinguish the right and left channels of the audio data output from DOUT 35 O Output double the frequency of LRCK 00 36 IX O Digital audio interface dataoutput O 37 GND bogiccircuitGND _ 38 O Oscillator clock buffering output 1 O 39 LIMIT Status of the pin is output at Bit 5 of the status output 40 VDD Positive powersupplyterminaltologiccircuit Cd 41 LOCK 0 EFM synchronous detection signal 42 O Frame synchronous signal of XTAL system Cd 43 O Frame synchronous signal of PLL system Cd 144 PLCK O Monitor pin of bit clock O 45 GND Logic circuit GND _ 46 C1D1 O Output
36. ing taking a long time may appear Method Measuring Equipment e Oscilloscope Two L P F Measuring Points E F REFO Disc e ABEX TCD 784 Mode e TEST MODE CD CORE UNIT Xch Ych Oscilloscope e Checking Procedure 1 Enter Test mode then select Multi CD player and switch the 5V regulator on Using the TRK and TRK buttons move the pickup unit to the innermost track Press key 9 to close focus the display should read 91 Press key 9 2 times Enter Rough Servo mode Press key 8 to implement the tracking balance adjustment the display should now read 81 As shown in the diagram above monitor the LPF outputs using the oscilloscope and check that the phase differ ence 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 pickup 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 e 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 aver age angle e Hint Change the disc changes the clamp position and may decrease the wobble 29 CDX P656 Pe5 Grating waveform Xch 20m
37. m B D 800um B D 800um B D 0 5ms div 0 5ms div 0 5ms div 18 4 CDX P656 Pe5 810 339 3 2 POWER UNIT UO ZCUBISSP 9591I31u9pl JO S3J4ed aen OF BUNS eq Buioe deJg ueum euojeueul y 10 404026 Asses 241 y S3ved uo punoj aNd E v aNd FU AS 9 z 2 58 L gt 2 5 HUJL ZYOLH IO 00 6 LHSL j 9 9180 S LL 8N3SV L SL 31002 9 OU 33 04 L4 19SZH 01 22 21652 9 2 5 L 9 1 4 u ol as 2 HU 962154 E 2759 S SU sng L d 21 508 3103 QL PE 9 100 L L 8 1001 LIN 18 CDX PeS6 Pes 7 4 PCB CONNECTION DIAGRAM E M852 4 1 CD CORE UNIT ELV 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 AGE 0 i 1697 d R TIS L LI Qt ei Free __ T 803 Rel 1 3 d R21 93 aa FA unr 070 EM 4 E CDX P656 Pe5 m 1 CDX P656 Pe5 4 2 POWER UNIT IP BUS CORD POWER UNIT POWER UNIT 4 CDX P
38. ns on rear side of disc or excessive vibrations on REWRITABLE 12 Electricity Spindle Lock NG Spindle not locked Sub code is strange not readable Failure on spindle stains or damages on disc or excessive vibrations Subcode NG A disc not containing CD R data is found Turned over disc are found though rarely Failure on home switch or CRG move mechanism RF AMP NG An appropriate RF AMP gain can t be determined CD signal error E um 17 lectricity Setup NG APC protection doesn t work Focus can be easily lost Damages or stains on disc or excessive vibrations 0 Electricity Search Time Out Failed to reach target address CRG tracking error or damages on disc 0 1 0 Mechanism power Mechanism elevation reference voltage is out of failure prescription A System Power Supply NG Power VD is ground faulted Failure on SW transistor or power supply failure on connector EREF adjustment VR and or power abnormal M NN nism ejection Elevation time out when eject E nism ng in and out the tray Tray is caught when put in CDX P656 Pe5 Class Displayed error code Description of the code and potential cause s An error upon Elevation time has time out elevation An error with em disc 15 available pty magazine inserted Remarks Unreadable TOC does not constitute an error An intended operation continues in this case A newly designed head unit must conf
39. orm to the example given above Upper digits of an error code are subdivided as shown below 1x Setup relevant errors 3x Search relevant errors 3x Search relevant errors Ax Other errors New Test Mode M CD plays the same way as before If an error such as off focus spindle unlocking unreadable sub code or sound skipping occurs after setup its cause and time occurred in absolute time are displayed During setup operational status of the control software internal RAM CPOINT is displayed These displays and functions are prepared for enhancing aging in the servicing and efficiency of trouble analysis 1 Shifting to the New Test Mode D Turn on the current test mode by starting the reset from the 4 and 6 keys together 2 Select M CD for the source through the specified procedure including use of the SOURCE key Then press the 12 key while maintaining the regulator turned off 3 After the above operations the new test mode remains on irrespective of whether the M CD is turned on or off You can reset the new test mode by turning on the reset start With some products the new test mode can be reset through the same operations as that employed for shifting to the STBY mode while maintaining the Acc turned off 2 Key Correspondence Key Test mode Example Power Off Power On In pla Error Production BAND To power off Time Err No switching offset adjustment performed UP J FWDKtk TR DOWN
40. ote measuring pointes the circuit diagram 2 Reference voltage REFO 2 5V Waveforms CD RFI 0 5V div 0 5us div D CH1 RFI 1V div D CH1 RFI 1V div 0 5 div 0 5ms div Normal mode play CH2 MIRR 5V div MSN 2 CH2 MIRR 5V div Test mode Tracking open Normal mode The defect part passes 800um 4 DE E vn ex t um E i bd i beet pts 4 ndi M KA gt i 1 E 5 e CH2 FOR 2V div amp CH2 FOK 2Vyjdiv 7 CH2 XSI 2V div Test mode No disc Focus close Normal mode Focus close Normal mode Focus close 1ms div CHI TE 0 5V div 0 5ms div CH1 TE 0 5V div 0 5ms div CHI TE 0 5V div 5ms div 9 CH2 TD 0 5V div CH2 TD O 5V div CH2 TD 0 5V div Test mode 32 tracks jump REV Test mode Single jump REV Test mode 100 tracks jump REV CH1 FE 0 1V div 20ms div 3 CH1 FD 0 5V div 0 5s div 3 CH1 FD 0 5V div 0 5s div CH2 FD 0 2V div CH2 MD 1V div CH2 MD 1V div Normal mode Play Normal mode Focus close 12cm Normal mode Focus close 8cm 16 CDX P656 Pe5 CH1 TE 0 2V div CH1 TE 0 5V div 0 5V div 0 1s div 2 5ms div CH2 TD 9ms div e Cla sp 299 TEST mode 100Tracks jump FWD Normal mode Play 12cm
41. ough Servo and RF AGC Adjustment Fit Servo TRK MIN SEC TRK MIN SEC Display OX 8X 8X 8x 8x 8x TRK MIN SEC 9x 9x 9x TRK MIN SEC 9x 9x 9x Tracking Open Power OFF F T RF AGC F T AGC and CRG TR Jump NO CRG TR Jump F Bias Display Select RF AGC Select TRK MIN SEC P FF ower O Dior 8 8x TRK MIN SEC 9x 9x 9x Tracking Open TRK MIN SEC Display OX or TRK MIN SEC TRK MIN SEC T 72 00 00 9x 9x 9x Mechanism test mode in Display TRK MIN SEC 12 FF REV BAND Display lt ELV TRAY select Operation mode lt Shift gt Shift gt Mechanism test select gt mode out gt zi gt 6dB gt 12 7 MIN SEC F AGC Gain T AGC Gain Gain Display 06 06 06 12 12 12 ae E lea F T AGC Gain Present Value Initial Value x 20 Focus Close gt S Curve Check 00 00 00 01 01 01 99 99 99 9 ELV motor select gt TRAY motor select 3 F Offset Display RF Offset Display gt F Cansel Display 72 00 OX Display 72 10 OX Value Top Rank 8bit of Set Value 7F H to 80 H 128 10 8ms pulse drive gt 24ms pulse drive gt DC drive 63 D to 32 D to 00 D 72 00 00 Display 72 00 01 72 00 02 4 Single TR 32TR 100TR 48ms pulse drive gt 100ms pulse drive gt DC drive 5 Single TR gt 32TRK 100TRK CRG Move 72 10 00 Display 72 10 01 re ee Display 9x 8x
42. re relay card han dle with care Fig 8 6 Remove screw and then remove the carriage motor assy lighting conductor feed screw holder feed screw and belt see Fig 9 7 Remove screw B on the main side and the pickup unit together with the guide shaft see Fig 9 Screw A Motor bracket CRG motor EEE Feed screw i ail 9 d s A EE um JO Guide shaft main Belt Feed screw holder Pickup unit Screw B o L Lighting conductor L Guide shaft sub Fig 9 41 CDX P656 Pe5 7 2 2 TEST MODE CD Test Mode 1 Precautions This unit uses a single power supply 5V for the reg 2 Test Mode This mode is used for adjusting the CD mechanism ulator The signal reference potential therefore is connected to REFO approx 2 5V instead of GND If REFO and GND are connected to each other by mis take during adjustments not only will it be impossi ble to measure the potential correctly but the servo will malfunction and a severe shock will be applied to the pick up To avoid this take special note of the fol lowing Do not connect the negative probe of the measuring equipment to REFO and GND together It is especially important not to connect the channel 1 negative probe of the oscilloscope to REFO with the channel 2 negative probe connected to GND Since the frame of the measuring instrument is usual ly at the same potential as
43. ssion select 25 SRAMSW X When there is SRAM H 26 CCS 0 X IP BUSchipselet 02 2728 NC 11 J j Notued O 29 PIN Data input from IP BUS interfaceIC 30 IPOUT O ____ Data output IP BUS interface IC 31322 NC J f Notused 2 388 FMPSW FM IPBUS select switch 84 TESTIN Test program mode input 35 O ___ LSI data output 36 XS 02 8387 XSCK 0 Q9 15 202 38 M6M12 6 12 disc selectinput o o 3943 NC 1 S Notused 0 SRAM enable output Z A8 NC Notused 22 46 0 9X SRAMwrteenadbleouput IN JjNotued 2 48 cs 0 9X JQSRAMchipseect o O 49 O Control signal distinguishing data from microcomputer B0 XSB Lo 9 9 JCpDlSIstrbeoutpt o Z o Z o o 851 XRST 0 C LCD L ireeet output 82 MRR hjfjMirordetetorinput 53 LOCK Spindle lock detector input 854 JFOKsigadlinut 02 5b Noetued 2 56 l Address BUS o 5 A49 0 9 9JgSRAMaddessbusouput 588 A8 0 SRAM address bus output 59 0 LE 9 J SRAM ad

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