Sony CDX-424RF - Compact Disc Changer System, Service Manual

Page 1: ...ERVICE MANUAL COMPACT DISC CHANGER SYSTEM US Model Canadian Model E Model SPECIFICATIONS CDX 424RF Model Name Using Similar Mechanism CDX 505RF CD Drive Mechanism Type MG 250C 137 Optical Pick up Name KSS 521A J2N ...

Page 2: ...e in the optical pick up block may suffer electro static breakdown because of the potential difference generated by the charged electrostatic load etc on clothing and the human body During repair pay attention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts The flexible board is easily damaged and should be handled with care Laser D...

Page 3: ... 3 SECTION 2 GENERAL This section is extracted from instruction manual ...

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Page 7: ...cal order given SECTION 3 DISASSEMBLY 1 screw PTT2 6 6 1 screw PTT2 6 6 2 cover upper 1 screw PTT2 6 6 1 screw PTT2 6 6 1 screw PTT2 6 6 3 lever FL 3 lever FL 4 front panel ass y 2 tension spring FL 2 tension spring FL 1 two dampers 250 1 two dampers 250 3 jack flexible board CNJ901 4 mechanism deck MG 250C 137 ...

Page 8: ...BOARD Remove the jack board of the arrow 1 ground point screw PTT2 6 6 2 jack board 1 main flexible board CNJ12 6 three screws FP 7 main board 2 connector CNP301 3 screw BVTT2 4 4 heat sink 5 two precision screws P1 7 2 5 ...

Page 9: ... M104 ESCUTCHEON 1 screw PTT2 3 2 bracket EVM 3 elevator motor ass y M104 2 Remove the claw of the arrow A 4 Remove the ditch of the arrow B A B 5 Remove the escutcheon of the arrow C 4 ditch 3 claw C 3 two claws 1 screw M2 3 ...

Page 10: ...PPER ASS Y CHASSIS ASS Y 1 three screws PTT2 4 1 two screws PTT2 4 2 4 Remove the case upper ass y of the arrow B 3 Remove the edge of the arrow A 1 screw PTT2 4 A B 3 chassis ass y 1 two polyethylene washers 2 2 ...

Page 11: ...53 5 RF board 2 two screws PS2 4 1 OP flexible board CNJ11 3 1 two screws ESCUTCHEON 4 Turn at the direction of the arrow then remove shaft sled ass y 2 sled motor ass y M102 3 optical pick up KSS 521A J2N RF BOARD SLED MOTOR ASS Y M102 OPTICAL PICK UP KSS 521A J2N ...

Page 12: ...ASS Y M103 8 two screws P1 7 2 2 7 3 spring chucking 6 retainer disc 4 screw P2 2 2 5 bracket CP 9 Remove the spindle motor ass y M101 of the arrow 2 SW board 1 screw P2 2 2 2 two screws P2 2 5 4 chucking motor ass y M103 1 connector CNP51 3 retainer CHM ...

Page 13: ...re the chuck plate is moved down to the lower limit A B 4 stop ring 2 0 E type 5 tension spring DH 2 washer 2 5 3 optical pick up complete ass y Note Insert the shaft A first shaft A gear LOAD 2 gear LOMINI marking Fig A chuck plate 2 Attach the gear LOMINI at the position shown in Fig A shaft rotary prevention C 1 Move the lever LOCK 3 fully in direction B to move the chuck plate up B 4 stop ring...

Page 14: ...er moves in direction C to move down the chuck plate if the gear LOAD 1 is rotated in direction A or the chuck plate moves up and the slider moves in direction D if the gear is rotated in direction B chuck plate slider gear LOAD 1 ass y A B C D ...

Page 15: ... 5 and 6 as shown below adjust the following 5 Press repeatedly the DISC and buttons on the master unit so that the elevator shafts moves from address 6 to address 5 or from 5 to 6 At this time adjust RV301 on the main board so that the elevator shaft positions smoothly between comb teeth A and B 6 Further place the set horizontally and make same adjustment as mentioned above 7 After adjustment at...

Page 16: ... OFFSET CHECK RF BOARD Conductor Side Procedure 1 Connect the oscilloscope to BP11 TE and TP VC on the RF board 2 Put the set into play mode by loading the disc 3 Press the AMS button and check the traverse wave form 4 Confirm that the oscilloscope waveform is symmetrical on the top and bottom in relation to 0 V dc and check this level Traverse waveform This is the tracking error wave form appears...

Page 17: ...Circled numbers refer to waveforms Signal path J CD Caution Pattern face side Parts on the pattern face side seen from Conductor Side the pattern face are indicated Parts face side Parts on the parts face side seen from Component Side the parts face are indicated Note The components identi fied by mark or dotted line with mark are criti cal for safety Replace only with part number specified Note L...

Page 18: ...CDX 424RF 19 20 Semiconductor Location Ref No Location IC11 C 6 IC51 B 7 IC52 G 4 Q11 D 6 7 2 PRINTED WIRING BOARDS RF Section Page 24 ...

Page 19: ...C Block Diagrams The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une piéce portant le numéro spécifié 21 22 Page 27 ...

Page 20: ...C 8 D417 C 8 D501 E 6 D502 E 7 D503 E 7 D504 E 7 D505 E 6 IC101 B 11 IC202 G 8 IC204 E 8 IC301 G 7 IC302 E 11 IC401 B 9 Q202 C 6 Q203 H 8 Q204 H 8 Q205 G 8 Q301 F 12 Q401 D 8 Q402 D 7 Q403 D 7 Q404 D 7 7 4 PRINTED WIRING BOARDS MAIN Component Side JACK Board Semiconductor Location Ref No Location Page 20 ...

Page 21: ...CDX 424RF 25 26 7 5 PRINTED WIRING BOARD MAIN Board Conductor Side IC201 F 9 IC203 D 9 Q201 D 8 Semiconductor Location Ref No Location ...

Page 22: ...CDX 424RF 27 28 7 6 SCHEMATIC DIAGRAM MAIN Section 1 2 See page 31 for Waveforms See page 33 for IC Block Diagrams Page 22 ...

Page 23: ...CDX 424RF 29 30 7 7 SCHEMATIC DIAGRAM MAIN Section 2 2 See page 31 for Waveforms See page 33 for IC Block Diagrams ...

Page 24: ...NCE WINDOW COMPARATOR ATSC WINDOW COMPARATOR TZC COMPARATOR TRACKING PHASE COMPENSATION CENTER VOLTAGE GENERATOR FZC COMPARATOR FOCUS PHASE COMPENSATION CHARGE UP FSET ISET IIC DATA REGISTER INPUT SHIFT REGISTER ADDRESS DECODER SENSE SELECTOR OUTPUT DECODER TTL IIL IIL TTL IIL TTL RF SUMMING AMP FOCUS OK COMPARATOR PEAK BOTTOM HOLD PEAK BOTTOM HOLD DEFECT AMP MIRR COMPARATOR 36 34 31 30 29 28 27 3...

Page 25: ...TOR DIGITAL PLL CLOCK GENERATOR D A INTERFACE DIGITAL CLV SUB CODE PROCESSOR TIMING LOGIC CPU INTERFACE SERVO AUTO SEQUENCER ERROR CORRECTOR 16K RAM DIGITAL OUT OSC EFM DEMODULATOR TES6 VDD VSS EXCK SBSO SCOR WFCK TES5 EMPH DOUT C4M FSTT XTSL MNT0 MNT1 MNT3 XROF C2PO RFCK GFS XPCK XUGF GTOP VDD VSS TES4 BCK TES3 PCMD TES9 LRCK WDCK ASYE ASYO ASYI BIAS RF AVDD CLTV AVSS FILI FILO PCO VCTL V16M VCKI...

Page 26: ...RIN CONTROL LOGIC TSD POWER SAVE DRIVER DRIVER DIGITAL FILTER CIRCUIT ATTENUATOR OPERATIONAL CIRCUIT DEEMPHASIS FILTER CIRCUIT D MODULATION CIRCUIT INTERFACE CIRCUIT TEST CIRCUIT OUTPUT CIRCUIT ANALOG FILTER TIMING GENERATOR OSC MICROCOMPUTER INTERFACE CIRCUIT OUTPUT CIRCUIT ANALOG FILTER 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 24 LRCK BCK DATA HS SM ATT EMP SH BS LA VDX XO XI ...

Page 27: ...r on 15 to 23 O Not used open 24 AUTO ON OFF I Setting terminal for the automatic adjustment L automatic adjustment H manual adjustment fixed at L in this set 25 to 29 O Not used open 30 RESET I System reset signal input from the reset signal generator IC202 and SONY bus interface IC204 L reset For several hundreds msec after the power supply rises L is input then it changes to H 31 EXTAL I Main s...

Page 28: ... I Initialize signal input for the EEPROM H format Fixed at L in this set 67 O Not used open 68 SINGLE I Setting terminal for the single disc multiple discs mode L single mode H multiple discs mode fixed at H 69 FOK I Focus OK signal input from the CXA1992BR IC11 L NG H OK 70 GFS I Guard frame sync signal input from the CXD2530Q IC101 L NG H OK 71 SENS1 I Internal status signal sense signal input ...

Page 29: ...R T E 3 1 664 628 11 JACK FLEXIBLE BOARD 4 1 672 620 11 JACK BOARD 5 X 3376 770 1 DOOR ASSY US Canadian 5 X 3376 773 1 DOOR 626T ASSY E 6 3 376 464 11 SCREW PTT 2 6X6 GROUND POINT 7 3 030 560 11 PANEL FRONT US Canadian 7 3 022 002 81 PANEL T FRONT E 8 3 012 388 01 SCREW M2X3 9 3 010 105 01 ESCUTCHEON US Canadian 9 3 022 006 02 ESCUTCHEON T E 10 3 010 106 01 BUTTON EJ US Canadian 10 3 022 007 02 BU...

Page 30: ...Remark Ref No Part No Description Remark 2 MECHANISM DECK SECTION 1 MG 250C 137 51 X 3375 497 1 CHASSIS U SUB ASSY 52 3 024 161 01 SPRING SUT 3 3 3 51 52 54 53 53 4 965 759 01 WASHER POLYETHYLENE 54 3 011 997 01 SPRING STOPPER LOWER ...

Page 31: ...50C 137 Ref No Part No Description Remark Ref No Part No Description Remark 101 3 024 170 01 SPRING SB TENSION 102 3 024 172 01 BRACKET EVM 103 X 3375 498 4 CHASSIS D SUB ASSY M104 A 3301 123 A ELJ MOTOR ASSY ELEVATOR 102 101 103 M104 12 ...

Page 32: ...HM 154 3 321 813 01 WASHER COTTER POLYETHYLENE 155 3 017 139 01 GEAR WORM LOAD A 156 3 010 255 01 ARM LSW 157 3 573 936 00 STOPPER REEL 158 X 3373 552 1 GEAR LOAD 1 ASSY 159 3 010 252 01 ROLLER CRE 160 3 010 268 01 SPRING DH TENSION 161 A 3290 194 F CHASSIS EVY MAIN ASSY 162 3 010 254 01 SHAFT ROTARY PREVENTION C 163 3 010 253 01 GEAR LOMINI 164 3 701 438 11 WASHER 2 5 165 1 664 627 11 MAIN FLEXIB...

Page 33: ...with part num ber specified Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro spécifié Ref No Part No Description Remark Ref No Part No Description Remark 208 1 664 104 11 SW BOARD 209 A 3301 077 A BASE OPT J ASSY 210 1 664 626 11 OP FLEXIBLE BOARD 211 8 820 010 05 OPTICAL PICK UP KSS 521A J2RP 212 3 010 262 01 DETENT SLED...

Page 34: ...k 251 1 473 881 21 RF UNIT HIDEAWAY 252 1 777 519 12 CORD WITH CONNECTOR POWER US Canadian 252 1 777 519 31 CORD WITH CONNECTOR POWER E 6 HIDEAWAY UNIT SECTION F1 1 532 731 11 FUSE BLADE TYPE AUTO FUSE 3A 32V F2 1 532 798 11 FUSE BLADE TYPE AUTO FUSE 1A 32V 251 252 F1 F2 ...

Page 35: ... 00 CERAMIC CHIP 0 1uF 25V C308 1 163 038 00 CERAMIC CHIP 0 1uF 25V C309 1 163 038 00 CERAMIC CHIP 0 1uF 25V C310 1 163 038 00 CERAMIC CHIP 0 1uF 25V C401 1 124 589 11 ELECT 47uF 20 16V C402 1 163 038 00 CERAMIC CHIP 0 1uF 25V C403 1 163 038 00 CERAMIC CHIP 0 1uF 25V C404 1 126 513 11 ELECT 47uF 20 6 3V C405 1 126 513 11 ELECT 47uF 20 6 3V C406 1 163 038 00 CERAMIC CHIP 0 1uF 25V C407 1 126 157 11...

Page 36: ...RES CHIP 220K 5 1 10W R103 1 216 073 00 METAL CHIP 10K 5 1 10W R104 1 216 061 00 METAL CHIP 3 3K 5 1 10W R105 1 216 061 00 METAL CHIP 3 3K 5 1 10W R106 1 216 073 00 METAL CHIP 10K 5 1 10W R201 1 216 073 00 METAL CHIP 10K 5 1 10W R202 1 216 049 11 RES CHIP 1K 5 1 10W R203 1 216 089 00 RES CHIP 47K 5 1 10W R204 1 216 097 00 RES CHIP 100K 5 1 10W R205 1 216 077 00 METAL CHIP 15K 5 1 10W R206 1 216 05...

Page 37: ...CNP11 1 580 055 21 PIN CONNECTOR SMD 2P CNP51 1 580 055 21 PIN CONNECTOR SMD 2P CNP52 1 580 055 21 PIN CONNECTOR SMD 2P CNP53 1 580 055 21 PIN CONNECTOR SMD 2P IC IC11 8 752 082 14 IC CXA1992BR IC51 8 759 071 79 IC BA6297AFP IC52 8 759 040 83 IC BA6287F TRANSISTOR Q11 8 729 141 48 TRANSISTOR 2SB624 BV345 RESISTOR R11 1 218 348 11 RES CHIP 110K 5 1 16W R12 1 216 839 11 METAL CHIP 33K 5 1 16W R13 1 ...

Page 38: ...5 851 04 SCREW BVTT 2X4 S 12 7 685 780 09 SCREW PTT 2X3 S ACCESSORIES PACKING MATERIALS 1 473 112 72 WIRED REMOTE COMMANDER RF RM X64 3 865 017 11 MANUAL INSTRUCTION ENGLISH FRENCH US Canadian 3 865 018 11 MANUAL INSTRUCTION INSTALL ENGLISH FRENCH US Canadian 3 866 343 11 MANUAL INSTRUCTION ENGLISH SPANISH CHINESE E 3 866 344 11 MANUAL INSTRUCTION INSTALL ENGLISH SPANISH CHINESE E A 3291 950 C MAG...