Sony CDP-CX250 Service Manual Download

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Model Name Using Similar Mechanism

NEW

CD Mechanism Type

CDM-40

Base Unit Type

KSM-213BKN/M-N

Optical Pick-up Type

KSS-213B/S-N

SPECIFICATIONS

MICROFILM

COMPACT DISC PLAYER

US Model

Canadian Model

AEP Model

E Model

Australian Model

CDP-CX250

SERVICE MANUAL

,Canada

Europe and Singapore

220V-230V AC, 50Hz

110V-120V or 230-240V AC,
adjustable, 50/60 Hz

Summary of Contents for CDP-CX250

Page 1: ...Type KSM 213BKN M N Optical Pick up Type KSS 213B S N SPECIFICATIONS MICROFILM COMPACT DISC PLAYER US Model Canadian Model AEP Model E Model Australian Model CDP CX250 SERVICE MANUAL Canada Europe and Singapore 220V 230V AC 50Hz 110V 120V or 230 240V AC adjustable 50 60 Hz E ...

Page 2: ... 58 7 6 Base Unit Section 1 KSM 213BKN M N 59 7 7 Base Unit Section 2 KSM 213BKN M N 60 8 ELECTRICAL PARTS LIST 61 4 982 813 CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous ra diation exposure The laser component in this product is capable of emitting radiation exceeding the limit for Class 1 This appliance is classified...

Page 3: ...A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of aVOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a pas sive VOM that is suitable Nearly all battery operated di...

Page 4: ...5 PROGRAM button 6 REPEAT button 7 TIME TEXT button 8 Front cover 9 MEMO SEARCH button º INPUT button Remote sensor JOG dial ENTER button CHECK button CLEAR button p stop button P pause button play button ª AMS button º OPEN button GROUP buttons 1 8 TIMER switch AMS is the abbreviation for Automatic Music Sensor ª º 1 234567 8 0 9 ...

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Page 12: ...L ASSEMBLY 3 Two screws BVTT3x6 2 Three screws BVTT3x6 4 Flat type wire CN601 1 Connector CN501 3 Five screws BVTT3x6 4 Two screws BVTP3x10 2 Four screws BVTT3x6 6 Back panel 5 Remove the PC board holder 3 2 BACK PANEL ASSEMBLY 7 Front panel assembly 1 Two screws BVTP 3x8 6 Remove the claw 5 Remove the claw ...

Page 13: ...e screws BVTT3x6 5 Three holder assemblies 3 4 MECHANISM DECK Illumination board 3 Connector CN303 2 Screw BVTT3x6 1 Four screws BVTT3x6 4 Connector CN308 Jack board 5 Guide assembly º Mechanism deck 6 Flat type wire 23core CN303 Main board 7 Connector CN304 8 Connector CN504 Main board Jack board 9 Nine screws BVTT3x8 ...

Page 14: ... 14 3 5 BASE UNIT 1 Screw BVTT3x6 2 Fulcrum plate BU UPPER assy 3 Base unit ...

Page 15: ...n the left side and the number of the buttons will be displayed on the right side However these will not be displayed for the following special buttons p stop button FL segment check Refer to FL Tube Check Patterns P pause button FL grid check Refer to FL Tube Check Patterns The pause LED also lights up simultaneously play button All FL segment and grid will light up The play LED also lights up si...

Page 16: ...e pressing the STOP button turn ON the POWER button The test mode is set 5 The POWER button LED starts blinking Test mode LED POWER button STOP button GROUP 1 button GROUP 5 button GROUP 1 button GROUP 5 button Cam Pulley POWER NOTE 1 The cam will start rotating when the GROUP 1 or GROUP 5 button is pressed continuously in the test mode NOTE 2 If the power cannot be supplied the cam can be rotated...

Page 17: ...acket sensor Table assembly Swing LEVER stopper assembly Cam PAUSE button PLAY button 3 Loosen the fixed screw by 60 to 90 and use a tapering screwdriver to adjust the screw as shown in the figure Move the bracket sensor with the tapering screwdriver little by little and fix the fixed screw at where the play button s LED green is switched to the pause button s LED orange or its reverse 4 Moving th...

Page 18: ...apering screwdriver and set the position of the guide disc T to A B 1 1 3 Loosen the fixed screw by about 60 Guide disc T Cam Holder guide T Fixed screw Disc Guide disc T A B Disc Holder guide T Tapering screwdriver Cam Guide disc T Holder guide T 1 Rotate the cam and adjust to the position shown in the figure ...

Page 19: ... the figure 3 After applying screw lock to the part rotate the thrust screw until the holder Disc A comes to the center of the disc Cam Thrust screw Cam Disc Disc Holder disc A Thrust screw Holder disc A 0 1 mm 2 Check that the state is as shown in the figure Holder disc A 123 123 ...

Page 20: ...t Disc pulley Disc hole Holer disc A Fixed screw Bracket BU adjustment A B 3 Remove the Magnet assembly Cam Base unit Bracket BU adjustment Magnet assembly Cam Magnet assembly Tapering screwdriver Loosen the fixed screw by 60 to 90 and move and adjust the bracket BU adjustment up and down using a tapering screwdriver so that the positions of the disc hole and disc pulley become A B or between A B ...

Page 21: ...to the posi tion shown in the figure Cam Adjustment screw Magnet assy B A Disc Magnet holder Magnet assy Adjustment screw 123 123 Adjustment screw 2 Rotate the adjustment screw until A B or between A B 2 1 and 1 2 3 Apply screw lock to the part after adjusting ...

Page 22: ...rack 4 Confirm that oscilloscope waveform is clear and check RF signal level is correct or not Note A clear RF signal waveform means that the shape can be clearly distinguished at the center of the waveform RF signal waveform oscilloscope TP RF TP VC oscilloscope level 1 2 Vp p VOLT DIV 200mV TIME DIV 500ns 0 25 0 20 symmetry within 3 1 Vp p A B 5 2 ELECTRICAL BLOCK CHECKING TP FE1 TP VC E F Balan...

Page 23: ...ter TP PLCK BD TEXT board 2 Turn Power switch on 3 Put the disc YEDS 18 in to play the number five track Confirm that reading on frequency counter is 4 3218MHz Adjustment Location BD TEXT BOARD Side B MAIN BOARD Component Side IC307 IC303 R311 R310 R337 IC301 TP302 AFADJ TP FE1 TP RF TP TE TP VC IC103 TP PLCK IC101 TP301 ADJ ...

Page 24: ...6 DIAGRAMS 6 1 CIRCUIT BOARDS LOCATION MAIN board T SENS board ILLUMINATION board DISP board DOOR SW board JOG board RAY CATCHER board T MOTOR board JACK board L MOTOR board L SW board LUMINOUS board BD TEXT board ...

Page 25: ...utput for analog EFM PLL Open VCO input from analog EFM PLL Connected to Ground TEST pin connected normally to Ground Connected to Ground Digital Ground TEST pin connected normally to Ground TEST pin connected normally to Ground Charge pump output for analog EFM PLL Open Charge pump output for variable pitch PLL Open Clock input from variable pitch external VCO Connected to Ground Analog power sup...

Page 26: ...P output when PSSL 0 Open DA 10 output when PSSL 1 XUGF output when PSSL 0 Open DA 09 output when PSSL 1 XPLCK output when PSSL 0 Open DA 08 output when PSSL 1 GFS output when PSSL 0 Open DA 07 output when PSSL 1 RFCK output when PSSL 0 Open DA 06 output when PSSL 1 C2PO output when PSSL 0 Open DA 05 output when PSSL 1 XRA0F output when PSSL 0 Open DA 04 output when PSSL 1 MNT3 output when PSSL 0 ...

Page 27: ...d Input pin for anti shock Connected to Ground Serial data input supplied from CPU Latch input supplied from CPU Serial data transfer clock input supplied from CPU Numbers of track counted signal output Open Digital power supply Mirror signal output Open Defect signal output Open Focus OK output Open Output to select spindle motor output filter Open Output to control ON OFF of spindle motor Open O...

Page 28: ...ess SRAM address SRAM write enable PLAY LED control H Lighting up PAUSE LED control L Lighting up SRAM enable Front foor switch H Open Clock for CD TEXT CD TEXT data CD TEXT IC control H Active CONTROL A1 out Loading motor PWM output for outside direction Loading motor PWM output for inside direction Table motor PWM output for left turn Table motor PWM output for right turn Power control H Power O...

Page 29: ...ut L Active Latch for digital filter IC Clock for servo IC and digital filter IC Audio mute H Mute ON Data for servo IC and digital filter IC Clock for sub code Q Sub code Q data input Open Servo sensor signal Jog input Remote control signal Jog input Latch for LED driver IC Latch for fluorescent indicator driver IC Synchronous signal for CD TEXT Sub code Q synchronous signal Start at rising edge ...

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Page 36: ...s remplacer que par une piéce portant le numéro spécifié 2 Ref No Part No Description Remark Ref No Part No Description Remark 1 3 363 099 01 SCREW CASE 3 TP2 2 4 982 946 11 CASE 3 A 4699 040 A MAIN BOARD COMPLETE US CND 3 A 4699 041 A MAIN BOARD COMPLETE EXCEPT US CND 4 1 773 183 11 WIRE FLAT TYPE 23 CORE 5 1 777 345 11 WIRE FLAT TYPE 19 CORE 6 4 982 807 01 COVER FFC 7 4 982 813 01 PANEL BACK US ...

Page 37: ...DING TABLE 51 1 661 466 11 T MOTOR BOARD 52 X 4947 230 1 BRACKET TABLE ASSY 53 X 4947 607 1 GEAR PULLEY ASSY 54 3 325 697 21 WASHER 55 4 982 867 01 BELT TIMING 56 4 982 893 01 GEAR CENTER 2 57 4 982 891 01 GEAR TABLE 58 4 982 892 01 SHAFT CENTER 59 1 661 468 11 LUMINOUS BOARD 60 1 661 469 11 RAY CATCHER BOARD 61 1 661 470 11 T SENS BOARD 62 3 356 601 11 SCREW STEP 63 3 701 446 21 WASHER 8 64 X 494...

Page 38: ... 50 ORNAMENTAL EXCEPT US CND 110 4 977 358 11 CUSHION 8X12 5 111 4 963 404 21 EMBLEM 5 A SONY 112 X 4947 219 1 PLATE A ASSY FULCRUM 113 4 982 797 11 SPRING A TORSION 114 4 982 799 01 CUSHION STOPPER 115 4 982 793 01 STOPPER A 116 3 917 216 21 KNOB TIMER 117 A 4699 047 A DISP BOARD COMPLETE 118 4 982 811 01 HOLDER FL 119 1 661 464 11 DOOR SW BOARD 120 4 982 798 11 SPRING B TORSION 121 X 4947 220 1 ...

Page 39: ...VER B 156 X 4947 240 1 LEVER A ASSY 157 4 982 854 01 HOLDER DISC A 158 4 982 855 01 HOLDER DISC B 159 4 982 856 01 PAD 160 4 976 458 01 HOLDER MAGNET 161 X 4946 326 1 HOLDER CLAMP ASSY 162 4 983 777 01 SPRING MG TENSION 163 A 4672 092 A MAGNET ASSY 164 3 366 559 02 MAGNET CHUCK 165 4 960 633 01 YOKE MAGNET 166 4 960 632 11 PULLEY B 167 4 983 319 01 SPRING THRUST COMPRESSION 168 4 976 456 01 WASHER...

Page 40: ...2 4 976 466 01 GEAR LOADING 2 203 4 982 893 01 GEAR CENTER 2 204 X 4947 607 1 GEAR PULLEY ASSY 205 4 982 867 01 BELT TIMING 206 3 325 697 21 WASHER 207 1 661 465 11 L MOTOR BOARD 208 1 661 467 11 L SW BOARD 209 3 489 073 00 SCREW THRUST 210 X 4947 227 1 LEVER STOPPER ASSY 211 4 951 291 01 SCREW 212 X 4947 234 1 SLIDER LOCK ASSY 213 4 982 857 01 BEARING CAM 214 4 982 860 01 CAM A 215 4 982 861 01 C...

Page 41: ...ef No Part No Description Remark Ref No Part No Description Remark 251 3 356 601 11 SCREW STEP 252 X 4947 244 1 SLIDER BU ADJUSTMENT ASSY 253 X 4947 243 1 HOLDER BU ASSY 254 4 982 859 01 HOLDER DAMPER 255 4 982 878 01 SPRING F COMPRESSION 256 4 982 872 01 SPRING F 2 TENSION 257 4 982 871 01 SPRING F 1 TENSION 258 4 982 858 01 DAMPER 259 4 960 617 01 CAP F ...

Page 42: ...e numéro spécifié 305 306 302 not supplied 303 304 301 17 17 M102 13 Ref No Part No Description Remark Ref No Part No Description Remark 301 A 4699 163 A BD TEXT BOARD COMPLETE 302 2 626 907 01 GEAR A S 303 2 627 003 01 GEAR B RP 304 1 769 069 11 WIRE FLAT TYPE 16 CORE 305 2 626 908 01 SHAFT SLED 306 8 848 376 01 OPTICAL PICK UP BLOCK KSS 213B S N M101 X 2626 234 1 T T CHASSIS ASSY MG K SPINDLE M1...

Page 43: ...27PF 5 50V C157 1 163 145 00 CERAMIC CHIP 0 0015uF 5 50V C159 1 163 019 00 CERAMIC CHIP 0 0068uF 10 50V C161 1 163 038 91 CERAMIC CHIP 0 1uF 25V CONNECTOR CN101 1 770 072 11 CONNECTOR FFC 23P CN102 1 770 014 11 CONNECTOR FFC FPC 16P IC IC101 8 752 369 78 IC CXD2545Q IC102 8 759 176 09 IC BA6392FP IC103 8 752 072 45 IC CXA1821M T6 IC104 8 759 428 57 IC LC89170M MOTOR M101 X 2626 234 1 T T CHASSIS A...

Page 44: ...5 1 4W F R705 1 249 409 11 CARBON 220 5 1 4W F R706 1 249 434 11 CARBON 27K 5 1 4W R710 1 249 415 11 CARBON 680 5 1 4W F R711 1 249 417 11 CARBON 1K 5 1 4W F R712 1 249 419 11 CARBON 1 5K 5 1 4W F R713 1 249 421 11 CARBON 2 2K 5 1 4W F R714 1 247 843 11 CARBON 3 3K 5 1 4W R715 1 249 427 11 CARBON 6 8K 5 1 4W F R716 1 249 431 11 CARBON 15K 5 1 4W R717 1 249 415 11 CARBON 680 5 1 4W F R718 1 249 417...

Page 45: ...R R116 1 249 409 11 CARBON 220 5 1 4W F R216 1 249 409 11 CARBON 220 5 1 4W F R502 1 249 429 11 CARBON 10K 5 1 4W R504 1 249 425 11 CARBON 4 7K 5 1 4W F R505 1 249 429 11 CARBON 10K 5 1 4W R506 1 249 393 11 CARBON 10 5 1 4W F SWITCH S501 1 762 151 11 SWITCH SLIDE COMMAND MODE S502 1 572 675 11 SWITCH POWER VOLTAGE CHANGE VOLTAGE SELECTOR E TRANSFORMER T501 1 429 666 11 TRANSFORMER POWER US CND T50...

Page 46: ...00V C208 1 126 052 11 ELECT 100uF 20 10V C301 1 128 489 11 ELECT 3300uF 20 16V C302 1 124 360 00 ELECT 1000uF 20 16V C303 1 128 563 11 ELECT 100uF 20 100V C304 1 126 851 11 ELECT 22uF 20 35V C305 1 126 163 11 ELECT 4 7uF 20 50V C306 1 126 101 11 ELECT 100uF 20 16V C307 1 126 163 11 ELECT 4 7uF 20 50V C308 1 124 472 11 ELECT 470uF 20 10V C309 1 126 163 11 ELECT 4 7uF 20 50V C310 1 126 163 11 ELECT ...

Page 47: ...RESISTOR R101 1 249 436 11 CARBON 39K 5 1 4W R102 1 249 436 11 CARBON 39K 5 1 4W R103 1 249 431 11 CARBON 15K 5 1 4W R104 1 249 431 11 CARBON 15K 5 1 4W R105 1 249 437 11 CARBON 47K 5 1 4W R106 1 249 437 11 CARBON 47K 5 1 4W R108 1 249 419 11 CARBON 1 5K 5 1 4W F R109 1 249 419 11 CARBON 1 5K 5 1 4W F R110 1 249 441 11 CARBON 100K 5 1 4W R111 1 249 409 11 CARBON 220 5 1 4W F R112 1 249 409 11 CARB...

Page 48: ...1 249 382 11 CARBON 1 2 5 1 6W F R366 1 249 382 11 CARBON 1 2 5 1 6W F R367 1 247 883 00 CARBON 150K 5 1 4W R368 1 249 393 11 CARBON 10 5 1 4W F R373 1 249 427 11 CARBON 6 8K 5 1 4W F R374 1 247 843 11 CARBON 3 3K 5 1 4W R375 1 249 439 11 CARBON 68K 5 1 4W R376 1 249 427 11 CARBON 6 8K 5 1 4W F R377 1 249 427 11 CARBON 6 8K 5 1 4W F R378 1 249 417 11 CARBON 1K 5 1 4W F R385 1 249 429 11 CARBON 10K...

Page 49: ...AUS 3 856 766 11 MANUAL INSTRUCTION ENGLISH FRENCH SPANISH SWEDISH EXCEPT US AUS 3 856 766 21 MANUAL INSTRUCTION ENGLISH US AUS 3 856 766 31 MANUAL INSTRUCTION CHINESE SP 3 856 766 41 MANUAL INSTRUCTION GERMAN DUTCH ITALIAN PORTUGUSES AEP G 4 984 086 01 BOOKLET 100 4 983 803 01 CUSHION 4 983 811 01 INDIVIDUAL CARTON US CND 4 983 812 01 INDIVIDUAL CARTON AEP G 4 983 813 01 INDIVIDUAL CARTON AUS 4 9...

Page 50: ... 68 Sony Corporation Home A V Products Company 9 960 722 11 English 96G0984 1 Printed in Japan 1996 7 Published by Quality Engineering Dept Shibaura CDP CX250 ...

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