CH-X400 / CH-X450
Contents
1. Unsolder CN502 Fig 49 Grounding point Unsolder 2 ER 2 NLES Af QJ CN501 Tray motor assembly Fig 50 Spindle motor Shaft holder Pickup assembly Fig 51 1 27 CH X400 CH X450 5 10 Remove the two rack arm fixing screws 4 Grounding point 2 Pull out the feed slide shaft Remove the shaft holder fixing screw 5 11 When mounting the lifter bracket after replacing the pickup shift the lifter unit lever approx 30 mm towards the inside then mount the lifter bracket Pe SA Shaft holder Ko Middle gear 77 15 N diagram Lifter unit lever Fig 54 1 28 CH X400 CH X450 Descriprion of major ICs BA5926S IC581 CD POSITION TRAY DRIVER 1 Terminal layout amp Block diagram LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT I 2 Pin function MI Driver CHTinput TIT s vcc Powersupply ____ 24 8M5IMI REGE extemalTABASE 25 GND Subsmaegeud Note 1 Positive output and negative output of phasing with input Note 2 Loading positive output and loading negative output of phasing with mode 3 Connect to external PNP transistor collector T S D Thermal shut down circuit D Driver buffer Unit of resistor Q 1 29 CH X400 CH X450 I UPD72. e 82 10125 gg Zn 014 Q114 Q15 VEE O 4 O OUTPUT 1 35 CH X400 CH X450 E BR24CO1AF IC604 EP ROM 1 Terminal Layout 2 Block Diagrram VCC TEST SCL SDA 1 024bit EEPROM Array Address Slave Word Decoder Address Register 3 Pin Function VCC PuwerSupply GND JGeowdO Slaves Address Set Pi Sc Serial Clock Input SDA 1 0 Slaves and Word Address Serial Data Input Serial Data Output TEST Ground An open drain output requires a pull up resistor 1 36 CH X400 CH X450 HD74HC126FP X 651 Buffer 1 Terminal layout 3 Pin function 1 Input Outout L X 2 EM 12 L H 4 1 L 5 10 6 9 7 8 2 Block diagram Vcc Vcc 1k I 1 Output 2A eS I 3 I Input AA 2V CL 1k 2 1C E LL ouput 3C 2V Sample as Load Circuit 1 4C Output 8 Sample as Load Circuit 1 Output 4Y O Sample as Load Circuit 1 um 8 IC PST600M G W1197 1C602 Reset 1 Terminal layout 2 Block diagram 1 37 CH X400 CH X450 VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION P
3. 23 1 32 Correction frame clock output terminal 7 35kHz 1 1 Internal signal DSP internal flag and PLL clock output terminal Selected by command This terminal output the text data with serial by command The terminal that inputted the clock for read of text data by command PLL double reference voltage supply terminal VDD Digital power supply voltage terminal Test input output terminal Normally keep at L level 1 CH X400 CH X450 2 Pin Function TC9462F 2 2 RFCT signal center level inputtermnal j RFRPzerocossinputtermnal RFRP RFripplesignalinputterminal FE 1 Focuserrorsignalinputterminal O SBAD I Subbeamaddersignalinputtermnal O TSN I Test input terminal Normally keep at vref level TE Tracking error signal input terminal Take at tracking servo ON Tracking error zero cross inputterminal FOO O Focusservoequalizeroutputterminal TRO O Trackingservoequalizeroutputtermmal O VREF Analog reference voltage supplyterminal RFGC O amplitude adjustment control signal output terminal TEBC O Tracking balance control signal output terminal Lis om Ea o DMO DMO 58 61 FLGA D 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 62 63 70 71 72 73 74 75 76 77 78 79 81 82 83 84 85
4. CH X400 CH X450 Parts list CD changer mechanism Block No M2MM tem _Pansnumber Deserpton Y LV30928 201A TRA MECHA UNIT LV30096 002A CHASSIS L ASSY LV30097 001A CHASSIS R ASSY QYSDST2004Z SCREW QYSDST2004Z SCREW LV40129 003A MOTOR BKT ASS Y PPN13KA10C SA5 MOTOR ASS Y WJM0017 001A E SI C WIRE C F QYSPSPT2025M MINI SCREW 1 40131 001 WORM WHEEL P LV40132 003A THIRD GEAR LV40133 005A LIFTER GEAR LV30100 002A APLOCK ARM LV40134 003A M LOCK SPRING QYWDL163525 6 SLIT WASHER LV40142 003A LIFTER SPRING LV40478 002A EJECT DAMPER LV10027 002A TOP COVER LV30101 004A MAGAZINE SPRING LV30448 001A FRONT SLIDER AS LV30449 001A REAR SLIDER ASS REE1500X E RING LV40135 003A ROD U LV40136 002A ROD L LV30104 002A SENSOR BRACKET LV30105 001A SENSOR HOLDER QVY0002 B14 S V RESISTOR WJM0017 002A E SI C WIRE C F LV40137 001A SENSOR SPRING LV20067 002A LIFTER UNIT LV30110 001A HOOK VKR3203 001 CLAMPER VKL7938 001 CLAMPER GUIDE VKS5587 002 DETECT ROLLER VKZ4563 005 O RING LV30148 004A SIDE BKT UNIT LV40148 003A TRAY GEAR QYWDL163525 6 SLIT WASHER LV40190 002A RETURN SP R LV40149 003A L BKT L ASSY LV30119 002A SWITCH LEVER LV40151 002A SWITCH SPRING LV40152 001A WORM WHEEL T REE1500X E RING LV30120 001A T MOTOR HOLDER QUB540 10A2A2 WIRE T MOTOR QUB541 11A2A2 WIRE T MOTOR QYSPSPL2004Z SCREW 1 2 4 2 4 4 4 4 4 4 4 4 4 3 4 4 1 1 1 1 1 1 1 1 1 1 1 1 2 4 1 1
5. 9 interface control Correction circuit 16KRAM Synchronous VI guarantee EFM decode Audio out circuit gt TESTO 950 UHSO 2 Pin function Anno SYueot 10 TESTO 31 ss Bm sev sev sek TESIO0 f 2 O FUNCTIONAL DESCRIPTION REMARKS Test mode terminal Normally Keep at open With pull up resistor LH L HA Subcode data emphasis flag output terminal Emphasis ON at level and OFF at L level The output polarity can invert by command Channel clock output terminal 44 1khz L ch at L level and R ch at H level the output polarity can invert by command Correction flag output terminal At level AOUT output is made to correction impossibility by C2 correction processing Subcode Q data CRCC check adjusting result output terminal The adjusting result is OK at H level Subcode P W data reabout clock input output terminal This terminal can select by command bit Digital power supply voltage terminal l Digital GND terminal R Playback frame syncsignalouputemina Subcode block syne signal output terminal Processor status signal reabout clock outputterminal O SADA O Processor status signal output terminal
6. CH X400 CH X450 General section Turn the power on with no magazine loaded Move the lifter until it The lifter moves up or YES Check the linear position comes to the STOP down and stops sensor VR601 position shipping position The position motor does Check the wiring of the not function CD 9 V power supply Connect the receiver position motor etc and turn the power on The tray motor goes Check the TRAY IN and forward and back TRAY OUT switches Set to the changer several times mode Check the connections appears on the receiver to the receiver or the Proceed to the Focus etc circuits in the vicinity of section 651 CD changer indication YES Load the magazine Is the disc pulled out to start play Exchange discs then Check the RESET check whether or not the switch and feed feed motor moves section Refer to the Feed section YES Is the disc taken out YES NO Check the MAG SW TRAY IN and TRAY OUT switches Is the disc rotated Set from the STOP to PLAY mode then check YES that the triangle wave appears at IC581 pins Is voltage present at Proceed to IC521 7 2 5 V while the Signal the disc rotates Processing YES section Does the laser emit YES NO Check the vicinity of Proceed to the Tracking IC501 6 7 section Proceed to the Focus Is track sele
7. CH X400 CH X450 JVC SERVICE MANUAL COMPACT DISC AUTOMATIC CHANGER CH X400 CH X450 0156 DIGITAL AUDIO Area Suffix CH X400 Northern America E Continental Europe CH X450 Other areas Contents Safety precaution 1 2 Troubleshooting 1 20 Important for laser products 1 3 Wiring connections 1 26 Location of main parts 1 4 Pickup replacement procedure 1 27 Removal of main parts 1 5 Description of major ICs 1 29 JC 12 Forced eject procedures 1 19 This service manual is printed on 10096 recycled paper No 49585 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN LTD Dec 2000 CH X400 CH X450 Safety precaution A CAUTION Burrs formed during molding may be left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system CAUTION Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check 1 2 Important for laser products 1 CLASS 1 LASER PRODUCT 2 DANGER Invisible laser radiation when open and inter lock failed or defeated Avoid direct exposure to beam 3 CAUTION There are no serviceable parts inside the Laser Unit Do not disassemble the Laser Unit Replace the complete Laser Unit if it malfunctions 4 CAUTION The compact dis
8. 1 1 1 1 1 1 1 1 1 1 CH X400 CH X450 Parts list CD changer mechanism Block No M2MM OY Deserpton LV40474 002A ELEVATOR SPRING OPTIMA 720L1 C D PICK CAR 0505 111705 2 DC MOTOR QUB456 04A2A2 WIRE F MOTOR QUB459 05A2A2 WIRE F MOTOR LV40155 001A MIDDLE GEAR LV40156 001A S S GEAR LV40157 001A SCREW SHAFT LV30122 001A SHAFT HOLDER VKZ4248 204 MINI SCREW LV30123 001A RACK ARM QYSPSPT1722M MINI SCREW LV30124 001A P S SPRING QYSPSPU1414M SCREW LV30450 003A PICK FPC QYSDST2006Z SCREW QUQ710 2614BJ CARD WIRE QYSDSP2606Z SCREW QYSDSR2006Z SCREW VKL7059 002SS TR BRACKET VYSA1R4 088 SPACER QUQ110 1013BJ CARD WIRE VYSH102 102 SPACER LV40123 004A LIFT ARM ASSY LV30098 003A EJECT SLIDER LV40126 003A EJECT SPRING VYSA1R4 056 SPACER 4 4 4 1 1 1 1 1 1 1 1 2 1 1 1 3 4 4 4 1 1 1 1 1 1 2 1 Electrical parts list Main board Block No 01 CH X400 CH X450 C 101 102 C 103 C 104 105 106 C 111 C112 C 201 202 C 203 C 204 C 205 C 206 C 501 C 502 C 503 C 504 C 505 C 506 C 507 C 508 C 509 C 510 C 512 C 513 C 514 C 522 C 523 C 524 C 525 C 526 C 533 C 534 C 536 C 537 C 538 C 539 C 542 C 543 C 544 C 545 C 546 C 547 C 549 C 551 C 552 C 553 C 554 C555 C 556 C 557 C 558 6571 C 573 C 574 C 581 C 582 C 583 C 601 C 602 C 603 C 604 Parts number Q
9. 19 Expanded view of mounting q Section p Fig 41 Upper rod MU Ub ua A 2 Fig 39 Mounting the front slider and rear slider 1 Position the unit with the rear side facing down then rotate the third gear in the direction of the arrow clockwise until the lift arm comes to the position at which the holes are exposed as shown in Fig 43 1 2 Mount the front slider from the top Rotate the third gear counterclockwise until the hole of the slider is lined up with the right hole of the stud as shown in Fig 43 2 3 Mount the E washer on the shaft 4 Position the unit with the front side facing down then mount the rear slider Check that the r s and t positions are correctly mounted as shown in Fig 44 Front slider 5 Rotate the third gear in the direction of the arrow counterclockwise until the lifter unit is at the top position Check after mounting CH X400 CH X450 E Washer Position so that the stud and right hole are lined up Rotate the third gear to move the slider Set so the holes are exposed Rotate until the holes are lined up p Rotate the third gear to move the slider CH X400 CH X450 Mounting the sensor PCB assembly 1 Attach the longer spring to the white resin and attach the shorter spring temporarily to the sensor assembly bracket 2 Mount the sensor as
10. N N N N N N N N N N N N N N N N NRSA63J 472X TRANSISTOR TRANSISTO TRANSISTO TRANSISTO TRANSISTO TRANSISTO TRANSISTO TRANSISTO TRANSISTO MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST MG RESIST R R R R R R R R I0 I0 I0 I0 I0 I0 I0 I0 I0 TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR TOR 9 ID MG RESIST TOR R 602 R 603 R 604 R 605 R 606 R 607 R 609 610 611 612 614 617 618 619 620 621 622 625 626 651 652 653 654 655 656 657 658 659 660 661 901 902 903 911 912 921 923 924 925 926 941 942 943 951 954 971 972 973
11. 981 982 601 602 603 604 606 521 X 601 NRS181J 103X NRSA63J 472X NRSA63J 472X NRSA63J 472X NRSA63J 103X NRSA63J 103X NRSA63J 473X NRSA63J 473X NRSA63J 473X NRSA63J 473X NRSA63J 473X NRSA63J 473X NRSA63J 102X NRSA63J 103X NRSA63J 104X NRSA63J 473X NRSA63J 103X NRSA63J 472X NRSA63J 473X NRSA63J 223X NRSA63J 101X NRSA63J 223X NRSA63J 334X NRSA63J 101X NRSA63J 223X NRSA63J 334X NRSA63J 331X NRSA63J 104X NRSA63J 103X NRSA63J 104X NRSA63J 103X NRSA63J 392X NRSA02J 222X QRE141J 472Y QRE141J 2R2Y NRSA63J 273X NRSA63J 184X NRSA63J 682X QRE141J 223Y NRSA63J 223X NRS181J 100X NRSA63J 471X NRSA63J 332X NRSA63J 122X NRSA63J 272X NRSA63J 223X NRSA63J 222X NRSA63J 104X NRSA63J 221X NRSA63J 221X VSH1173 001 VSH1173 001 VSH1173 001 VSH1173 001 QSW0643 001Z QAX0413 001Z QAX0414 001Z MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR RESISTOR C RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR
12. I V amp input terminal 15 FEN FE amp negative input terminal 4 TPI I Sub beam input terminal 16 VRO O Reference voltage VREF output terminal 5 TNI Sub beam input terminal 17 RFRP Track count signal output terminal 6 MDI I Monitor photo diode amp input terminal 18 RFIS RFRP detect circuit input terminal 7 LDO O Laser diode amp output terminal 19 O RF gain signal output terminal 8 SEL Laser diode control signal input terminal 20 RFGC RF amplitude adj control signal input terminal 9 TEB T error balance adj signal input terminal 21 I RF signal amplitude adj amp input terminal 10 2VRO O Reference voltage output terminal 22 RFO signal output terminal 11 TEN TE amp negative input terminal 23 GND Ground terminal 12 error signal output terminal 24 REN amp negative input terminal 1 34 15218 IC101 CD LPF CH X400 CH X450 1 Pin layout OUT1 1 Vcc 2 H gt 7 oure 1 IN1 3 HE H 6 IN2 2 VEE 4 5 IN2 2 Block diagram O e e e 81 C8 Q5 gt Al K a13 e IN OK 01 a2 4 Q9 86 gt C2 85 CH UE i 4 Q16 Sek 017 D1 R8 Kao
13. Unsolder the two wires black and brown connected to the tray motor 5 Remove the two screws 1 from the round holes on the chassis R assembly to remove the lifter bracket L Remove the lower rod Short circuit the grounding point on the traverse A mechanism PCB assembly of the lifter unit Unsolder the wires connected to the spindle motor red black and to the feed motor blue white to lift the PCB assembly Next short circuit the grounding point on the pickup main unit and unplug the pickup flexible PCB from 501 8 Remove the three fixing screws 2 from the round holes on the chassis R assembly to remove the traverse mechanism PCB assembly 9 Remove the pickup shaft holder fixing screw 3 to remove the pickup assembly Note When replacing the pickup be sure to apply countermeasures against static electricity grounding the operation table wrist band and soldering iron To remove it first short circuit the grounding point on the mechanism PCB then lift the mechanism PCB assembly with CN501 connected Next short circuit the grounding point on the pickup main unit then unplug the pickup flexible PCB from connector CN501 When reassembling perform in the reverse order Lifter bracket L Traverse mechanism PCB assembly CH X400 CH X450 Third gear e Main PCB assembly gt Feed motor assembly
14. er ude af funktion Undg udseettelse for str ling Usynlig laserstr ling ved pning n r sikkerhetsbryteren er avslott unng utsettelse for str ling VARNING Osynlig laserstr lning VARO Avattaessa ja suojalukitus denna del ar ppnad och sparren ohitettaessa olet alttiina urkopplad Betrakta ej str len s n kym tt m lle lasers teilylle Al katso sateeseen d Top panel of the unit Gerateoberseite Panneau sup rieur de CH X400 CH X450 Location of main parts Bottom view Main board ass y Mechanism ass y wire Positioning motor ass y Jack board ass y Sensor board ass y Mechanism board ass y Top side view Mechanism amp lifter unit Magazine house section Remove the main board view Feed motor Positioning motor ass y Third gear Spindle motor Sensor board ass y Tray motor 1 4 CH X400 CH X450 Removal of main parts Disassembling procedures Perform operations according to the items to be disassembled Replacement of the Pickup 1 After removing the exterior top and bottom 2 Proceed to the Pickup Replacement section When applying grease refer to the Exploded View Use new grease Mechanism section 1 Remove the exterior required section only 2 The mechanism section is designed so that each unit can be removed separately When reassembling refer to the assembling precautions Use new grea
15. the fuse including F901 on the PC board cCheck 651 and its peripheral circuits A The 1 8 error displays described above may appear as E 1 E 8 1 1 1 8 R 1 R 8 or RST1 RST8 depending on the product CH X400 CH X450 CH X400 CX H450 Error code The following error codes can be displayed and stored in up to 3 memories when the KD MX3000 I used with the controller Refer to the KD MX3000 service manual regarding error code indication The error code indication when using the earlier controller is the same as the CH X99 KD MK88 and other 12CD changer models CH 1 error code table Generating condition Description Error code Tray extension Tray in switch time out Tray stops part way E1 03 00 11 error Tray in switch Low Tray out switch High Tray out switch time out Tray in switch High Tray stops part way E1 03 00 12 Tray out switch High Tray in switch time out Tray in switch Low Tray in switch faulty or other defect E1 03 00 13 Tray out switch Low MAG in switch Low to High Magazine removed when tray partly E1 03 00 14 extende Tray retraction Tray in switch time out Tray in switch Low Tray motor inoperative E1 03 00 16 error Tray out switch Low Tray out switch time out Tray in switch High Tray retraction stops part way E1 03 00 17 Tray out switch High Tray in switch time out Tray in switch Low Tray in switch faulty or other defect E1 03 00 18 Tray out switch Low MAG in switch Low to High Magazine re
16. 0095 001 QGF1004F4 10 QGF1009F2 10 HSM2836C W DSK10C T1 DSK10C T1 DSK10C T1 DSK10C T1 MA3062 H X HSM2836C W HSM2838C W MA3100 L X MA3051 M X MA3091 M X ICP N70 15218 2109 9462 59265 UPD780058GC 067 IC PST600M G W BR24C01AF X HD74HC126FP X QQL231K 4R7Y QQL231K 4R7Y QQL231K 4R7Y 2501048 6 7 2501048 6 7 25 1322 5 25 1322 5 28C2412K R X 2SA1037AK R X DTC114EKA X 2501994 5 C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITO C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR FPC CONNECTOR CONNECTOR FFC FPC CONECTOR CONNECTOR CONNECTOR CONNECTOR CONNECTOR CONNECTOR DIODE DIODE DIODE DIODE DIODE ZENER DIODE DIODE DIODE ZENER DIODE ZENER DIODE ZENER DIODE IC PROTECTER NDUCTOR NDUCTOR NDUCTOR RANSISTO RANSISTO RANSISTO RANSISTO RANSISTO RANSISTO TRANSISTO TRANSISTO Remarks 47MF 20 6 3V 100MF 20 6 3V 2200MF 100MF 20 16V 100MF 20 10V 100MF 20 10V 47MF 20 16V 10MF 20 16V 47MF 20 16V Area CH X400 CH X450 W Electrical parts list Main board Block No 01 Pa
17. 20738 002A SK LV20737 002A SK 0080 001 3 10 QYSDSP4008Z VKZ4029 003 LV40507 001A LV30682 205A CL CHX99J SCREW1 SCREW SCREW INST SHEET MAGAZINE ASS Y SCREW PARTS KIT 11 12
18. 28 005A LV40528 006A E70891 001 LV40847 001A VYSA1R4 056 CD CHANGER MECHA LASER CAUTION FITTING CAUTION LABEL SCREW TOP COVER TOP COVER SPACER SCREW BOTTOM COVER BOTTOM COVER INSULATOR BRACKET DIRECTION KNOB DAMPER DAMPER SP R DAMPER SP L SCREW SCREW SCREW SCREW F PANEL ASS Y F PANEL ASS Y F PANEL ASS Y HOLD BRACKET SCREW NAME PLATE NAME PLATE NAME PLATE SPACER CAUTION LABEL CAUTION LABEL LABEL LABEL CLASS 1 LABEL SPACER H SPACER a 2d 2 2 dd 4 4 poem 2 2 BH BA CH X400 CH X450 Block No M1MM 400 4500 4500 CH X400E J CH X450U CH X400E J TOP BOTTOM PWB TOP 8P TOP CH X400E CH X400J CH X450U DOOR 3 HOLD BKT CH X400E CH X400J CH X450U CH X400E J CH X450U CLI X400 CLI X450 CD changer mechanism assembly and parts list Block No 2 M LEN 320M Grease No JC 525 CFD 931 Bottom side Bottom side 27 UM N ul The edge part y 605 PEA on the back side NS P fesses P wh Sf 1 I T ASE gt L gt J E L5G lt Le Geben Q d lt lt P SOC LU ODES s OS ue I 1 GSS 11 lt IP E 155 lt S gt Bottom side Both side Ss I d To General Assembly LEN 320M
19. 5 5 5 2 5 lo 2 I 5 s 3lololoj 2 o 52 5 5 s 5 9 5 5 15155 z 9 5 5 2 ojo jojo amp s eo 5 5 5 Oe 2 2 amp e 5 5 Ls 2 TAGE gt CD AD key remote inhibit selector Low inhidit nused output port clear input Functional only dunng reset m c EPROM CL ESET EMOCON PWR DET VV US INT JECT eset input includes flash write in function emote controller signal input emory power detect input RTL B detect input 79 o VC bus com start interrupt input m ject key input C nused output port 550 Q onnect to ground lt z m O lt 9 E onnect to 5V scillater 4 19430 MHz scillater 4 19430 MHz onnect to ground onnect to VDD onnect to 5V onnect to ADCONT inear sensor input 8 bit A D input ey input 1 8 bit A D input ey input 2 8 bit A D input ey input 3 8 bit A D input ey input 0 8 bit A D input m C o X zi A 2 ALA III gt lt m rm lt lt m S o 1 31 CH X400 CH X450 TC9462F IC521 DSP amp DAC 1 Pin layout amp Block Diagram 8 lt
20. 80058GC 067 1C601 CPU 1 Terminal layout 2 Block diagram TOO P30 TIOO INTPO POO 16 bit TIMER TIO1 INTP1 PO1 EVENT COUNTER1 KD gt SI0 SB0 P25 SERIAL SO0 SB1 P26 SCK0 P27 INTERFACE0 SH P20 501 21 SCK1 P22 SERIAL STB P23 INTERFACE1 BUSY P24 S12 RXD P70 SO2 TXD P71 SERIAL SCK2 ASCK 72 INTERFACE2 ANIO P10 ANI7 P17 AV33 AVREFO ANOO P130 ANO1 P131 AVss AVREF1 D A CONVERTER 0 INTERRUPT INTPS P05 CONTROL PCL P35 CLOCK OUTPUT CONTROL 1 30 lt gt PORTO 01 06 PORT1 P10 P17 K P30 P37 78K 0 CPU CORE A Prope 08112 CS lt A PORT13 O p130 P131 REALTIME 120 OUTPUT PORT BTP7 D127 120 7 127 A8 P50 A15 P57 gt HD P64 gt WH P65 WAIT P66 gt ASTB P67 EXTERNAL ACCESS RESET SYSTEM CONTROL X2 V00 V5 IC XT1 P07 XT2 U in function 220 5 ES E Power on Hi output Low stop mode 9 ES ESA EN Unused output port EOROMDO O EEPROM data output Hi durring input 13 EEPROM clock input output au 15 eus ro VC tus rpuoutput conroiLoinpun e Buss IVC bus data inout r Busso avcovs date oust 8 JVC bus clock
21. Analog double reference voltage supply terminal APC circuit ON OFF indication signal output terminal 64 67 Normally keepatopen O 1 DAC test mode terminal Normally keepatopen O Test input terminal Normally keepat L level Test input output terminal Normally keep at L level Digital GND terminal Crystal oscillator connecting inputterminalfonDSP Crystal oscillator connecting outputterminalfo DSP VDD Digitalpower supply voltage terminal XVSS OscillatorGNDterminalforsystemclock Xi I Crystal oscillator connecting input terminal for system clock U XO O Crystal oscillator connecting output terminal for system clock XVDD Oscillator power supply voltageterminalforsystemclock DVSR uN ES EN Ep RO 87 89 90 93 vb vss Digital GND terminal 1 Micon interface clock input terminal cce Command and data sending receiving chip enable signal input terminal En R channel data forward output terminal Reference voltage terminal for DA converter Analog GND terminal for DA converter Rch L channel data forward output terminal Analog GND terminal for DA converter Lch Test mode terminal Normal keep at open Analog supply voltage terminal for DA converter Digital power
22. ERF1CM 106Z NCB31HK 821X NCS31HJ 121X QERFOJM 476Z NBE21AM 106X NCS31HJ 101X NCS31HJ 101X NCB31HK 103X QERF1CM 106Z NCB31HK 821X NCS31HJ 121X QERFOJM 476Z NBE21AM 106X NCS31HJ 101X QERFOJM 107Z NCB31HK 103X QERFOJM 107Z NCB31HK 103X NCB31HK 103X QERFOJM 107Z NCB31HK 103X NCB31CK 104X NCB31CK 104X NDC31HJ 680X QERFOJM 107Z NCB31HK 103X NCS31HJ 101X NCB31HK 103X NBE21CM 105X QERFOJM 107Z NCB31HK 103X QERFOJM 107Z NCS31HJ 470X NCB31HK 153X NCB31HK 103X NCB31HK 272X NCB31HK 103X NCB31EK 333X NCB31HK 182X NCS31HJ 271X QERFOJM 476Z NCB31EK 473X NCB31EK 473X NCB31EK 473X NCB31EK 473X QERFOJM 476Z NCB31HK 103X NCB31HK 103X QERFOJM 107Z NCB31HK 103X NDC31HG 100X NDC31HG 100X NCS31HJ 101X QERFOJM 107Z QERFOJM 107Z NCB31HK 103X QERF1AM 227Z NCB31HK 103X QERF1CM 226Z QERFOJM 107Z NCB31HK 103X NCS31HJ 220X NCS31HJ 220X Parts name E CAPACITOR C CAPACITO C CAPACITO E CAPACITO E CAPACITO C CAPACITO C CAPACITO C CAPACITO E CAPACITOR C CAPACITO C CAPACITO E CAPACITOR 0 0 JH D 2 E CAPACIT C CAPACIT E CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITO C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR E CAPACITOR C CAPACITO C CAPACITO C CAPACITO C CAPACITO C CAPACITO C CAPACITO C CAPACITO C CAPACITO E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACI
23. ERSONAL amp MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city Japan Printed in Japan No 49585 QS PARTS LIST 400 450 1 All printed circuit boards and its assemblies are not available as service parts Continental Europe J Northern America CH X450 A Other Areas Contents Exploded view of general assembly and parts list 2 2 CD changer mechanism assembly and parts list 2 4 Electrical parts list 1 1 1 2 7 Packing materials and accessories parts list 2 9 CLI X400 CLI X450 Exploded view of general assembly and parts list Block No Jack 7 board Parts list General assembly A Hem Partsmumber_ Parsnmame Description Area LV41843 001A LV20065 002B SK LV40706 003A QYSDST2004Z LV10407 004A LV10407 006A VYSH101 031 QYSSST2005M LV10408 004A LV10408 006A LV30632 001A LV40530 001A LV30360 004A SL LV30451 002A LV40345 003A LV40346 003A QYSDST2604M QYSSST2605M QYSDST2005Z QYSDST2606Z LV20923 004B LV20923 001B LV20923 002B LV30786 003A SL QYSDSF2005Z LV32473 002A LV32474 003A LV32475 003A VYSS2R2 028 LV40762 001A LV40487 003A LV405
24. MG RESISTOR MG RESISTOR SWITCH SWITCH SWITCH SWITCH TACT SWITCH CRYSTAL CRYSTAL 4 7K 5 1 4W 2 2 5 1 4W 22K 5 1 4W CH X400 CH X450 Packing materials and accessories parts list C Block No Block No 4 M M 3 9 CH X400 CH X450 Parts list Packing A 5 Parts number Parsnmame Description Area 01703505 QPA00801205 QPC03005120P LV32482 001A Parts list Accessories mem enn Deseo LV32480 001A LV10504 001A LV30453 003A LV30575 002A LV30576 002A LVT0580 002A LVT0580 003A LVT0580 004A LVT0580 001A LVT0580 005A LVT0580 006A BT 54013 1 BT 51018 2 BT 51020 2 BT 52004 1 BT 20071B LV41155 001A POLY BAG POLY BAG POLY BAG CARTON CARTON CUSHION ACCESSARY BOX SEPALATOR SPACER INSTRUCTIONS INSTRUCTIONS INSTRUCTIONS INSTRUCTIONS INSTRUCTIONS INSTRUCTIONS WARRANTY CARD WARRANTY CARD J REGIST CARD WARRANTY CARD SVC CENTER LIST INFO SHEET INSTRUCTIONS SCREW KIT SET CH X450U CH X400E J FOR MAGAZINE ENG GER FRE DUT SPA ITA SWE FIN ENG SPA FRE ENG CHI ARA ENG CHI ARA CH X400E CH X400J CH X400J CH X400J CH X400J CH X400J Block No M3MM Block No M4MM CH X400E CH X400E CH X400E CH X400J CH X450U CH X450U TROUBLE SHOOTIN MOUNT HOLDER MOUNT HOLDER R 8P BUS BUS CORD LVT0327 001B CH X400J LV
25. TOR E CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR E CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR E CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR gt DU GG Gm om omm Remarks 10MF 20 16V 47MF 20 6 3V 10MF 20 16V 47MF 20 6 3V 100MF 20 6 3V 100MF 20 6 3V 100MF 20 6 3V 100MF 20 6 3V 100MF 20 6 3V 100MF 20 6 3V 47MF 20 6 3V 47MF 20 6 3V 100MF 20 6 3V 100MF 20 6 3V 100MF 20 6 3V 220MF 20 10V 22MF 2096 16V 100MF 20 6 3V Area Item 605 C 606 C 609 C610 C611 C612 C 651 C 901 C 902 C 906 C 907 C912 913 C914 C915 C941 942 943 944 945 946 951 C 982 C 983 CN501 CN502 CN503 CN504 CN601 CN902 CN903 CN904 D 101 D 583 D 584 D 585 D 911 D 912 D 913 D 921 D 941 D 951 D 981 F 901 C101 C501 C521 C581 C601 C602 C604 C651 L 521 L 551 L 601 Q101 Q201 Q501 Q581 Q 602 Q901 Q 902 Q911 Parts number QERFOJM 476Z NCB31HK 103X QERFOJM 107Z NCB31CK 104X NCB31CK 104X NCB31CK 104X NCB31HK 103X QEZ0338 228 NCB31HK 103X NCS31HJ 101X NCS31HJ 101X QERF1CM 107Z QERF1AM 107Z NCB31HK 103X NCB31HK 103X QERF1AM 107Z NCB31HK 103X QERF1CM 476Z NCB31HK 103X NCB31HK 103X QERF1CM 106Z NCB31HK 103X NCB31HK 103X QERF1CM 476Z QGF1014F1 15 QGF1029F1 26 QGF1009F2 26 QGA2501F1 02 QGA2501F1 03 QNZ
26. angle as shown in Fig 7 then push down the lower side of the damper spring bracket to lift it off 3 Remove the three fixing screws 3 and 4 on the DIN jack PCB assembly 4 Lift the changer unit upward 5 Remove the damper springs from the mechanism chassis if required To reassemble refer to the diagram below Apply alcohol to the shaft then immediately attach the damper After attaching check that the shaft is Co correctly inserted B Push out with your finger before attaching Fig 6 1 Lift the changer unit upward Fig 6 Turn to the top position at a right angle then push down to lift off Remove the flexible ribbon wire if required X E g Silver C mechanism side magazine side How to attach the damper springs Fig 8 1 Removing the fittings T 2 Remove the fixing screw 5 Unhook the two catches a on the top edge of the fitting then unhook the catches b at the left right bottom edges Removing the main PCB assembly N Remove the power fixing screw 6 Remove the four screws 7 securing the main PCB assembly Disconnect position motor wire connector CN504 from the main PCB assembly Disconnect sensor PCB assembly wire connector CN601 from the main PCB assembly Remove the flexible ribbon wire from CN502 on the traverse mechanism PCB assembly When reinstalling the PC boards re
27. ay from the hook disc jam through the clearance at the top of the lifter Place the unit with its left side facing down and apply a slight Remove the lifter bracket L and shock then return the tray to the return the tray to the magazine magazine Rotate the third gear clockwise until the lifter level is below the 9th tray position Press the magazine lock lever to eject the magazine Completed CH X400 CH X450 Troubleshooting Servicing procedures for CH X400 amp CH X450 error displays 1 20 Error display 1 Eject error E2 Position motor error E3 Tray motor error E4 Pick returning error Servicing procedure The magazine cannot be ejected until 5601 magazine switch turns off Can the magazine be ejected YES 1 gt 2 1 The magazine switch S601 does nat turn off even though the magazine is completely ejected 2 Check that the magazine is not engaged with the mechanism assembly The lifter does not move up and down when exchanging or ejecting discs After resetting check whether or not the lifter moves YES 3 gt 4 the lifter exceeds the required disc position check the lift position input IC601 pin 76 If the lifter does not reach the required disc position check the mechanism mainly the lifter elevation mechanism 4Check that voltage is present at the motor terminal If voltage is present check the lifter elevation mechanism II voltage is not present separa
28. bly from the lifter unit For reassembling refer to the reassembling procedures MV A 2 Fig 21 Remove from the lifter unit Fig 22 Remove from the lifter unit CH X400 CH X450 Pickup assembly 1 Remove the three mechanism PCB fixing screws 6 located on the back of the traverse mechanism 2 Disconnect the two feed motor wires blue and white two spindle motor wires red and black and two tray motor Pickup flexible PCB wires brown and black that are soldered to the mechanism Pickup Remove PCB assembly after shorting 3 Short circuit the grounding point on the mechanism PCB assembly and lift it with the flexible PCB attached to connector CN501 Next short circuit the grounding point on the pickup unit and disconnect CN501 6 4 Remove the screw 7 to remove the feed motor assembly 5 Remove the screw 8 to remove the shaft holder retaining the feed slide shaft assembly and the middle gear 6 Remove the middle gear 7 Move the pickup assembly upward from the gear section Feed motor and remove it from the traverse chassis assembly 8 Remove the two screws 9 to remove the rack arm 9 Pull out the feed slide shaft assembly 10 Remove the screw 10 to remove the spring gt Grounding point CN501 Tray motor wire Note Before replacing the pick
29. c player uses invisible laserradiation and is equipped with safety switches whichprevent emission of radiation when the drawer is open and the safety interlocks have failed or are de feated It is dangerous to defeat the safety switches VARNING Osynlig laserstr lning denna del ppnad och sp rren urkopplad Betrakta ej str len VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina n kym tt m lle lasers teilylle l katso s teeseen 5 CAUTION to function 6 CAUTION procedures CH X400 CH X450 If safety switches malfunction the laser is able Use of controls adjustments or performance of other than those specified herein may result in hazardous radiation exposure CAUTION Please use enough caution not to ADVARSEL ADVARSEL REPRODUCTION AND POSITION OF LABELS WARNING LABEL DANGER Invisibie laser radiation ADVARSEL Usynlig laserstr ling when open and interlock or ved bning nar defeated sikkerhedsafbrydere er ude af AVOID DIRECT EXPOSURE TO funktion Undg udseettelse for BEAM e str ling Caution This production CLASS 1 contains laser LASER PRODUCT component of higher laser class than Class 1 Position And Reproduction Of Labels Rear panel of the unit Name Rating Plate 0 see the beam directly or touch it in case of an adjustment or operation check Usynlig laserstr ling ved bning nar sikkerhedsafbrydere
30. ction or section search performed correctly 10 Is the playback Proceed to the Signal sound normal Processing section Normal 1 23 CH X400 CH X450 MFeed section 27 5 Is the voltage output at Is the wiring for 10521 Is 5V present at 581 IC521 pin u 5V or 0V 90 100 correct pin 6 YES YES Check the vicinity of 521 5 Is 4V present at both Is 6V or 2V present at Check the feed motor sides of the feed motor C581 connection wiring NO YE S Check the feed motor Check IC581 Focus section NO Check CD 9V and 5V When the lens is Check the circuits in moving the vicinity of IC581 pins H Does the S search waveform appear at C581 pins and I Check the pickup and YES its connections llSpindle section Is the disk rotated Is 4V present between NO Check IC501 and 521 581 pins 1 2 Is 4V present at 521 5 YES Does the RF signal Check the vicinity of appear at TP1 Check the spindle motor 581 and its wiring YES NO Is the RF waveform at TP1 Check the circuits in the distorted vicinity of IC501 J O or the pickup YES Proceed to the Tracking section Tracking section When the disc is rotated at first YES Check the circuit in the YES Check the pickup and vicinity of IC501 pins its connections 2C Approx 1 2 V Is the tracking error signal o
31. fer to the reassembling procedures for protecting switches etc Catches b Fitting Catches a CH X400 CH X450 6 CH X400 CH X450 Changer mechanism section Sensor assembly unit 1 Remove the two screws 1 securing the sensor assembly Sensor unit assembly 2 Unhook the springs on the back of the sensor assembly unit from the holes on the chassis Magazine lock arm 1 Remove the magazine lock spring from the front side of the chassis a 2 Remove the poly washer b securing the magazine lock arm 3 Turn the magazine lock arm in the direction of the arrow until the notch is at the C position to remove it from the chassis Positioning motor assembly 1 Remove the two screws 2 securing the positioning motor 2 Slightly lift the positioning motor assembly to remove it from the two burrs on the chassis Magazine lock spring Positioning A motor assembly Rear slider 1 Position the unit with the front section facing down Rotate the third gear located on the back of the main unit in the direction of the arrow clockwise 2 Shift the rear slider in the direction of the arrow and remove IL at the rear slider mounting position at the widest hole Front slider 1 Position the unit with the rear section facing down Rotate the third gear located on the bottom of the unit in the direction of the ar
32. fter bracket L assembly Attach Fig 35 Shift inside by approx 30 mm Expanded view CH X400 CH X450 Connection of the chassis L assembly and chassis R assembly 1 Attach the lower rod to the chassis R assembly While shifting the rod toward the front side mount the rod on the lifter unit With the rod mounted place the lifter unit on the chassis R assembly 2 Combine the chassis L and R assemblies so that the hook section of the chassis L assembly is inserted into the notch of the chassis R assembly by sliding it from the front side 3 After engaging secure with the two screws 18 4 Attach the tension spring between the lifter unit and the chassis Lower rod gt ED Set last lifter side gt Proper Set first orientation chassis side N III n Tension spring CH X400 CH X450 Mounting the top plate 1 Mount the upper rod on the lifter side j and set it on the rear of the top plate then mount the other end of the upper rod to 2 Check that the five points I m n o and p are correctly positioned When mounting section q set it so that section D of the lifter unit is pinched by the bending section of the top plate 3 Secure the top plate with six fixing screws
33. input output X O Unwsedouputpon o Umeedomupr mo o Umeedomupr X Unusedouputpor mo Unsedouputpon no o Umedomunr o o o o o o o o ES N O CDCHECK Jal gt C RY I C am a gt C2 N 2 BBE gt oo gt 2 2 2 ojojo 8 6 alo 2 9 9 No 6 EX 13 15 EQ KH N N Ojo a a 29 Position motor control output 3 35 CD LSI chip enable 36 VO CD LSI data O open drain 39 vo CD LSI data 3 open drain e gt Taavo 32 BUCK _ gt lt gt PET gt lt ee o II o loloiol o alala C gt C2 5 AK gt N gt C2 5 585599 CH X400 CH X450 UPD780058GC 067 Function nused output port nused output port nused output port agazine switch Lo magazine inserted 1 C ray retract switch Lo retraction complete 4 ray extend switch Lo extension complete m esr switch nused output port EMPH mphasis select output Hi on BUFF CON N 2 2 1 Z C ojm O ojo 3 4 4 2 MUTE c 2
34. m PCB assembly move the pickup to the outer edge position then secure the PCB assembly using the screw 15 At this time check that the rest switch is correctly placed 4 To mount the rack arm first move the pickup to the middle position and secure it with the screws 16 Mechanism PCB assembly CH X400 CH X450 Pickup assembly X hassi oo 7 Attached to chassis OA Shaft holder Feed slide shaft half coated with grease Middle gear 77 7777 N M pt th Chassis Mounting the feed motor assembly Feed motor Shaft holder Rack arm Move the pickup to the middle position CH X400 CH X450 Mounting the lifter unit 1 Insert the shafts B of the traverse mechanism assembly into the slide grooves F on the lifter unit 2 Shift the hook of the lifter unit to the edge and shift the sliding lever inside the side bracket unit to the edge as well 3 With each hole and lever shifted to the edge mount the lifter unit and side bracket unit from the side Check each attached section and check that the two shafts C of the lifter unit are correctly inserted into the holes g of the side bracket unit After mounting check that the levers move together 4 Turn the lifter unit upside down As shown in Fig 35 slide the lever 30 mm away from the edge then mount the li
35. moved when tray partly r E1 03 00 19 etracted Lifter raise error Lifter lower error Poston motormoperaive a initialize error ali Eject position time out Position motor inoperative E1 02 00 41 Note The 1st error code is indicated by E1 while the 2nd and 3rd error codes are respectively indicated by E2 and E3 1 21 CH X400 CH X450 When the laser diode correctly E Flow chart for reading TOC Table of contents When the pickup correctly moves emits Power ON Set Function to CD to the inner area of the disc E Microprocessor 84 Microprocessor 33 go gt Disc inserted commands commands FMO e m TC9462 Im ov Pickup feed to the inner area FEED MOTOR TERMINAL YES IC581 20 2V Laser emitted REST SW When correctly focused No disc 50 2109 display Focus Servo Loop ON YES When the disc correctly rotates Microprocessor RF signal eye pattern commands 84 86 200 remains closed DMO LI v Tracking loop closed 9462 6 Wynn RF signal eye pattern Spindle opens p motor j 3 2V TOC readout sure t Rough 2 Accdleration Servo i Servo CLV 0 28ec 0 55 Jump to the first track Tracking Servo Loop ON RF signal Rough Servo Mode AS CLV Servo Mode XX XX XX Prog CLV Servo Mode Lead In Area Digital 0 1 22
36. row clockwise until the front slider is shifted to the outermost position 2 Remove the E washer securing the front slider to remove the front slider from the chassis Top plate 1 Remove the nine screws 3 securing the top plate 2 Disconnect the section e attached to the rear of the unit then lift the top plate slightly 3 Slide the top plate toward the rear of the unit to remove the upper rod from the top plate g Slide lt Top Plate CH X400 CH X450 Can be removed at the stud position at the widest hole Remove Third gear Fig 16 7 22 gt and remove the rod inside py 8 7 3 S CH X400 CH X450 Lifter unit 1 Unhook the elevator spring located on the front side of the unit Be sure to first unhook the spring from the lifter side as shown in the upper part of the diagram 2 Lift the lifter unit upward then remove the lower rod to remove the lifter unit from the chassis Unhook this part first Lifter bracket 1 Remove the two lifter bracket fixing screws 4 located on the back of the lifter unit 2 Remove the lower rod Proper orientation Side bracket and traverse mechanism 1 Remove the two side bracket unit fixing screws 5 to disconnect the side bracket unit from the lifter unit 2 Remove the three shafts on the traverse mechanism assem
37. rts number Parts name Remarks Area Parts number Parts name Remarks Area Q921 Q922 0941 0942 Q 943 0944 0971 0972 0981 R 101 R 102 R 103 R 104 R 105 R 106 R 107 R 108 8112 8 201 8 202 8 203 8 204 8 205 8 206 8 207 8 208 501 502 8 503 504 8 505 R 506 R 507 R 508 R 509 R510 R511 R512 R513 R514 R521 522 8 523 524 525 8 531 8 532 8 533 534 8 536 8 537 541 542 543 544 R 545 R 547 571 R 581 R 582 R 583 R 584 R 601 25 2412 2SA1037AK R X 2SB941 A QP 25D1994A RS T DTA114EKA X DTC114EKA X 2SA1037AK R X 25 2412 25D1994A RS T RSA63J 273X RSA63J 123X RSA63J 333X RSA63J 223X RSA63J 223X RSA63J 103X RSA63J 471X RSA63J 682X RSA63J 470X RS181J 273X RSA63J 123X RSA63J 333X RSA63J 223X RSA63J 223X RSA63J 103X RSA63J 471X RSA63J 682X RSA63J 473X RSA63J 473X RS181J 104X RSA63J 473X RSA63J 473X RSA63J 104X RSA63J 220X RSA63J 220X RSA63J 273X RSA63J 393X RSA63J 222X RSA63J 153X RSA63J 682X RSA63J 473X RSA63J 472X RSA63J 472X RSA63J 472X RSA63J 472X RSA63J 103X RSA63J 103X RSA63J 473X RSA63J 683X RSA63J 474X RSA63J 333X RSA63J 103X RSA63J 122X RSA63J 103X RSA63J 332X RSA63J 332X RSA63J 332X RSA63J 332X RSA63J 101X RS181J 332X RSA63J 123X RSA63J 102X RS181J 102X N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N
38. se when applying grease Remove 1 a and E Exterior section turn in the direction Removing the bottom cover and front panel of the arrow assembly 1 Remove the screw 1 a to unlock the mounting direction knob located on the side of the main unit 2 Turn the mounting direction knob in the direction of the arrow using a coin etc to remove it The knob can be removed only when it is set to this position 3 Remove the four top cover fixing screws 1 at the triangle A marks on the side of the main unit Perform the same operation on both sides 4 Turn the unit upside down so the bottom surface is facing upward 5 Lift the rear edge of the bottom cover slightly and lift the side by grasping the DIN jack section on the side panel then turn it toward the front raise upward to remove the bottom cover 6 Unhook the four catches located on both sides of the front Remove 1 a and panel and turn the front panel toward the top cover lower turn in the down to remove the front panel direction of the arrow The front panel can be separated by raising the cover Slightly lift the jack section to remove CH X400 CH X450 Removing the top cover 1 Pull out the dampers being careful not to damage When reattaching a damper insert your finger to push out the center of the damper to mount it on the damper shaft as shown in Fig 6 1 2 Turn the damper spring bracket toward the top at a right
39. sembly so that the shaft of the lift arm is inserted into the longer hole on the white resin located on the back of the sensor PCB assembly 3 Attach the shorter spring to the hook of the lift arm Sensor assembly fixing screws Shorter spring Mounting the main PC board assembly 1 Rotate the third gear clockwise until section E of the front slider and the third hole from the right are lined up Be sure to set properly If incorrectly set the switches on the PCB assembly may be damaged 2 After they are correctly positioned mount the main PCB assembly Position so that the slider hole and third hole from the right are lined up CH X400 CH X450 JC12 Forced eject procedures Magazine eject does not function YES RESET Press EJECT for 3 sec Completed Check that the trays remain no more than 10 mm inside the magazine Are trays stored in the magazine Check visually Remove the bottom cover Improperly positioned NO Is the disc set in the playing Wen Peel off the sticker on the left side position of the unit Insert a screwdriver and press the internal lever to forcibly eject the magazine Remove the dampers and the top Rotate the third gear clockwise and cover to take out the mechanism unchuck the disc Completed Remove the item s causing the Disconnect the tr
40. supply voltage terminal 4 5 7 TEST4 Test mode terminal Normal keep at open TSMOD Local test mode selection terminal 0 Reset signal input terminal Reset at L level 9 9 9 10 1 33 CH X400 CH X450 TA2109F X 1C501 amp 1 Pin layout _ 1 12 00000000 2 Block diagram 15k ohm 30k ohm 10k ohm 7 67k ohm 10k ohm i 16062 30k ohm 20PF 21k ohm 29kohm 10kohm b 2VRO 0 24k ohm 24k ohm VRO Se TEB O 3 21k ohm 50uA QER SE 12k ohm 47k ohm Swi_ SELO E MW lt 12k ohm m RFIS E LDO 2 20k ohm 1 7 av PEAK Es qul RFGO BOTTOM MD 11 52 20pF 13k ohm 2i2konm 9 i 6 RFGC MNO 12k oh E XN q El LI re 130 n 288 e m 20k ohm gt EN 1 53k gt VCC 3 Pin function Kin Symboll O Pin function Kin Symboll O Pin function 1 Vcc Power supply input terminal 13 SBAD 0 Sub beam adder signal output terminal 2 FNI Main beam I V amp input terminal 14 FEO O Focus error signal output terminal 3 I beam
41. te the motor from the circuit and check again whether or not voltage is present If voltage is present next check that the armature resistance of the position motor resistance between motor terminals is approx 12 Q If the resistance is excessively low 1 2 Q the motor is defective Trays cannot be opened or closed when exchanging or ejecting discs Does the tray move when changing or ejecting discs YES 55 NO 6 5Check that TRAY OUT SW 5602 and TRAY IN SW S603 function correctly 5602 8 IC601 pin 46 S603 8 601 45 6Check that the drive voltage is applied to the motor terminal If the voltage is present check the tray mechanism If the voltage is not present separate the motor from the circuit and check again whether or not the voltage is present Does the feed pickup unit return to the inner area of the disc when ejecting YES 7 NO 8 9 7 Check the rest switch 8lf the feed gear is rotated check the feed transfer mechanism 9lf the feed gear is not rotated check the motor driver and the pattern Other errors occurring in the receiver or controller E8 Connection error When selecting the CD Changer mode using function keys etc the unit does not enter the CD changer mode or the E8 error display appears This signifies trouble relating to communications aCheck the connection cables between the CD changer and the receiver CD changer controller bCheck the CD changer power cord and
42. up be sure to short circuit the Fia 23 grounding points First short circuit the PCB section and 19 then immediately short circuit the pickup section Pickup assembly Shaft holder WSL Feed slide shaft assembly Middle gear Feed motor Remove gears and motors only when required Fig 24 Rack arm 52 p _ 9 Fig 25 CH X400 CH X450 Tray motor 1 Remove the two screws 11 securing the tray motor 2 Remove the two screws 12 to remove the tray motor assembly from the tray motor holder Separation of the chassis L assembly and ahassis R assembly 1 Remove the two screws 13 retaining the chassis L and R assemblies 2 Slide the chassis L assembly toward the front and detach it then remove the chassis L upward Slide and remove upward as shown by the arrow Fig 26 Tray motor assembly Tray motor holder Tray motor Fig 27 N ARN 2 Precautions on reassembling When reassembling also refer to the disassembling procedures Mounting the traverse mechanism 1 When mounting the pickup assembly attach the feed slide shaft assembly to the traverse chassis Apply E JC 525 grease to the shaft 2 Mount the middle gear and the feed slide shaft to the traverse chassis and secure them with the screw 14 through the shaft holder 3 Before mounting the mechanis
43. utput at TP3 YES Check 521 1 24 Signal processing section Is the sound output from both channels L R Normal YES No sound from either channel Is 9V present at 101 8 Is the audio signal including sampling output components output to 521 pins and during Is the audio signal output at IC101 pins 1 and7during playback YES Check the muting circuit CH X400 CH X450 Compare the L ch and R ch to locate the defective point Check the vicinity of the Q981 audio power supply Check 521 and its peripheral circuits Check IC101 and its peripheral circuits 1 25 CLI X400 CLI X450 Wiring connections Lifter Motor Ass y WJMOO17 O01A mum Main Board Ass y Sensor Ass y Connect Board CN903 Spindol Motor Ass y Feed Motor Ass y Tray Motor Ass y Mechanism m Board Ass y SURFACE SIDE N K 5 8 m Pick Up Ass y LJ LM 19h AO i 2 T LV30450 003A Wiring of mechanism board section 1 26 A B C Pickup replacement procedure 1 Remove the bottom cover front panel and top cover from the exterior section 2 Unplug the flexible ribbon wire from connector CN502 on the traverse mechanism PC board assembly 3 Turn the rear slider and third gear in the lifter section counterclockwise until the traverse mechanism assembly is in the lowermost bottom position
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