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Sony CDP-791, Service Manual

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Summary of Contents for CDP-791

Page 1: ...8 dBm Output level max 1 0 mW Load impedance 32 ohms General Power requirements US Canadian Model 120 VAC 60 Hz AEP Model 220 V 230 V AC 50 60 Hz UK Model 240 V AC 50 Hz Model Name Using Similar Mechanism CDP 291 391 CD Mechanism Type CDM14 5BD1 Optcal Pick Up Block Type BU 5BD1 Power consumption 1 2 W Dimensions approx 430 X 1 1 o X 280 mm w h d including projections 1 7 X 47 X 1 1 7 inches Weigh...

Page 2: ...ll battery operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Meta Parts on Set 0 15pF p 1 5kil Z AC voltmeter 0 75 V Earth Ground Fig A Using an AC voltmeter to check AC leakage TABLE OF CONTENTS Section Title Page Specifications 1 Safety Check out 2 Model Identification 2 1 GENERAL Notes on Handling the Optical Pick up Block or Base Unit 3 Notes on Laser Diode...

Page 3: ...e CLASS 1 LASER PRODUCT label is located on the rear exterior Adjusting Operating Voltage For the customers of the model equipped with the voltage selector Check that the voltage selector is set to the local power line voltage If not set the selector to the correct position before connecting AC power cord to a wall outlet 110 1 20 V 220 240 V h r 1 This section is extracted from instruction manual...

Page 4: ...h buttons j manual search buttons INDEX buttons j M 4 WAMS buttons j II pause button j play button 1 CLEAR REPEAT A B repeat clear repeat button TIME button 20 over 20 button j CONTINUE button BASE UNIT REMOVAL SECTION 2 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 1 Remove CD mechanism from the set and turn over 2 Turn the cam O in the Arrow direction by the driv...

Page 5: ...e lead wire connected in step 2 Note Try to mesure several times to make sure that the ratio of A B or B A is more than 10 7 Take sweep time as long as possible and light up the brightness to obtain best waveform BO board Tp RF O TP VC O oscilloscope P Procedure 1 Connect oscilloscope to test point TP RF on BD board 2 Turn Power switch on 3 Put disc YEDS 18 in and playback 4 Confirm that oscillosc...

Page 6: ... Confirm that reading on frequency counter is 4 3218MHz Focus Tracking Gain This gain has a margin so even if it is slightly off There is no problem Therefore do not perform this adjustment Please note that it should be fixed to mechanical cen ter position when you moved and do not know original position Adjustment Locations BD board conductor side Main board Component Side 6 ...

Page 7: ...ort Non connected 21 LOCK 1 Sled free run protection is operate at L 22 CLK I Serial data transmission clock input form digital signal processor 23 XLT I Latch input from digital signal processor 24 DATA I Serial input from digital signal processor 25 SENS 0 Outputs internal state corresponding to address 26 XRST 1 System reset input Reset at L 27 C OUT 0 Tracking counter output 28 D GND Digitel g...

Page 8: ...4 1 BLOCK DIAGRAM 8 ...

Page 9: ...TROL SIRCS 8S IN T VL UP 2j z VL A DOWN ST qX40I _T 4MHzI I IC49I 2 REMOTE V CONTROL SENSOR A P IG 8G 1 4 40 47 50 55 58 63 KEY0 YEY3 21 22 SI92 191 FL040I 0AD IN LOAD OUT dispiav SWITCH SWITCH 1 Lflr 0421 SWITCH V 4 5 9 12 13 IC403 FLIP FLOP IX7XiTHj5 0419 SWITCH FUNCTION SWITCH kD 1 M 191 LOADING MOTOR IC47I VOLUME MOTOR DRIVE RV45I VLUME DRIVE MOTOR L 01 20 I 042 1 XD4I8 TD4I9 PROGRAM CONTINUE ...

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Page 11: ...C471 1 7 D403 E 3 IC491 H 2 D404 E 3 D405 E 3 Q101 D 22 D406 B 9 Q201 F 19 D407 B 9 Q202 G 18 D408 B 9 Q203 F 18 D409 B 9 Q204 H 18 D410 B 9 Q205 H 18 D41 1 B 9 Q206 H 17 D412 B 4 Q207 G 18 D413 B5 Q208 G 18 D414 B 5 Q209 F 16 D415 B6 Q341 0 13 D416 B 6 Q342 D 14 D417 D 8 Q343 D 13 D418 D 3 Q344 G 13 0419 F 2 Q371 B 14 D420 F 3 Q372 0 16 0421 F 2 Q373 B 14 0471 J 7 Q374 C 16 Q375 C 14 IC101 0 21 Q...

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Page 17: ...mu ilia mu aaGS SS2K i J20 1 J ZQM U ZQm 5 2 Sal SDi IBS J llHiiteogSmul IqSq o o pSjoJ NbS9 S Ems2 ISM ii Ef SjD ik b i ETW1 IM I KHs 3 SI pB S s pS pB B Bp B almiia Ik IIhuuhbhuhi mu D41I IN4MM TA anal mm INIl i ail g S rrrfrTY ietueebI 1MD ime iad m s m 16 ...

Page 18: ...ick Diagram 10 11 1 12 rm i ml CN402 2LJ 1 TP AMP 401 p trrgTii m ass an aa ass m LO as i MM oao SsSSsB b8b8 bbbb F5sSlSi iHt ta 3IBIB CT MffcnzmETig S I S raSal ...

Page 19: ...SlOl ft 04 7 M T IB I BD BOARD 7 loading I MOTOR MAIN BOARD ...

Page 20: ...ECTOR RF AMP N0T REPIACE8LE BUILT IN TRANSFORMER KSS 240A mst 32V REG IC201 L r 5 3 4 oL T is 0 T 3 2 0 0V LOADING BOARD SB 1 LOADING MOTOR DRIVE GND 2 2 1 NSW 3 3 u LOAD 4 4 J LOAD c 5 5 o CN30I t 5P S 27 1 1 3 11 0 cnuj moaoaw con i u uj _ V P O i h sis 5 S Rft Liar C203 Z fci 3300 16V D204 IIES2 TA1B BD BOARD 0202 203 REG 0204 V 206 B SWITCH 1C203 r 9 5 RCA558P g 5 3 0 1 d 7 J AIN BOARD ...

Page 21: ...tifies par une manque A sont critiques pour la sdcuritd Ne les remplacer que par une pi6ce portent le num6ro speci fic EEi B Line PE53 B Line I I adjustment for repair Voltages and waveforms are dc with respect to ground under no signal detuned conditions Wavefroms are taken with a oscilloscope Voltage variations may be noted due to normal production tolerances Circled numbers refer to wavefroms S...

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Page 23: ... 1C Block Diagram IC101 CXA1372Q IC301 CXD2500AQ AVOD m RF mV 9 OAO t OA02 OA05 OA04 A05 I OA06 CA07 I QA06 OA09 QQGl OGO IC202 M5290P 1 6 IC302 CXD1244S u u u u M COEF ROM X r 19 ...

Page 24: ...IC305 CXD2552Q 3 O U VSS L VDD VSUB XVSS XVDD VDD R VSS IC403 74HC175 20 ...

Page 25: ... BUSHING S 4616 CORD US Cs ned I en 3 703 244 00 BUSHING 2104 CORD AEP UK 4 886 821 11 SCREW S TIGHT PTTWH 3X6 4 933 236 01 PLATE RAY CATCHER e 4 941 237 01 HEAT SINK 4 908 846 01 EMBLEM SONY e 3 349 025 41 HOLDER PC BOARD e 4 924 098 01 HOLDER PC BOARD X 3304 938 2 FOOT ASSY 4 845 317 01 PANEL FRONT MADE IN F R A NC Es AEP UK 4 942 641 31 PANEL FRONT US Cs ns d i in 4 942 641 1 1 PANEL FRONT MADE...

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Page 27: ...64 01 GEAR P FLATNESS 105 A 4617 161 A BD BOARD COMPLETE Ref No Part No Description Remark 106 1 575 001 11 WIRE FLAT TYPE 12 CORE 107 A 8 848 144 1 1 DEVICE OPTICAL KSS 240A M101 X 4917 523 3 BASE OUTSERT ASSY M102 X 491 7 504 1 MOTOR ASSY SLED Note The components identified by mark A or dotted line with mark A ate critical for safety Replace only with part number specified ...

Page 28: ... CHIP 1 164 161 11 CERAMIC CHIP 1 164 161 11 CERAMIC CHIP 1 163 038 00 CERAMIC CHIP 1 163 038 00 CERAMIC CHIP 1 164 161 11 CERAMIC CHIP 1 163 989 11 CERAMIC CHIP 1 163 019 00 CERAMIC CHIP 1 163 038 00 CERAMIC CHIP 1 163 006 11 CERAMIC CHIP 1 164 161 11 CERAMIC CHIP 1 163 023 00 CERAMIC CHIP 1 163 038 00 CERAMIC CHIP 1 163 038 00 CERAMIC CHIP 1 163 038 00 CERAMIC CHIP 1 163 038 00 CERAMIC CHIP 0 lu...

Page 29: ...LM WITH TERMINAL Ref No Part No Description Remark DIODE D406 8 719 107 94 DIODE 1SS202 1 MADE IN FRANCE D406 8 719 987 63 DIODE 1N4148M MADE IN JAPAN D407 8 719 107 94 DIODE 1SS202 1 MADE IN FRANCE D407 8 719 987 63 DIODE 1N4148M MADE IN JAPAN D408 8 719 107 94 DIODE 1SS2Q2 I MADE IN FRANCE D408 8 719 987 63 DIODE 1N4148M MADE IN JAPAN D409 8 719 107 94 DIODE 1SS202 1 MADE IN FRANCE D409 8 719 98...

Page 30: ...TOR IIP 1 638 212 11 KEY BOARD MADE IN JAPAN 1 638 212 21 KEY BOARD MADE IN FRANCE D40 1 D401 D402 D402 D403 D403 D404 D404 D40S D405 D418 D419 D420 D421 R418 R419 R420 R42 1 8 719 107 8 719 987 8 719 107 8 719 987 8 719 107 8 719 987 8 719 107 8 719 987 8 719 107 8 719 987 DIODE 94 DIODE 1SS202 1 63 DIODE 1N4148M 94 DIODE 1SS202 1 63 DIODE 1N4148M 94 DIODE 1SS202 1 63 DIODE 1N4148M 94 DIODE 1SS20...

Page 31: ...LE 20 S444 1 554 303 81 SWITCH TACTILE A SPACE A CUE MADE IN FRANCE 5438 1 554 303 21 SWITCH TACTILE 10 5439 1 554 303 21 SWITCH TACTILE 15 5440 1 554 303 21 SWITCH TACTILE 20 S444 1 554 303 21 SWITCH TACTILE A SPACE A CUE MADE IN JAPAN 4 1 632 202 11 LOADING BOARD MADE IN JAPAN 1 632 202 21 LOADING BOARD MADE IN FRANCE SWITCH MADE IN FRANCE S401 1 554 303 81 SWITCH TACTILE KM S402 1 554 303 81 SW...

Page 32: ...335 1 162 205 31 CERAMIC 18PF 5 50V D204 8 719 200 82 DIODE 11ES2 C34 1 1 161 494 00 CERAMIC 0 022uF 25 V 0342 1 126 022 11 ELECT 47uF 20 16V D205 8 719 200 82 DIODE 11ES2 D206 8 719 200 82 DIODE 11ES2 0343 1 161 494 00 CERAMIC 0 022uF 25V 0207 8 719 114 49 DIODE RD7 5JS B2 0344 1 161 494 00 CERAMIC 0 022uF 25V 0208 8 719 109 89 DIODE RD5 6ES B2 0345 1 126 022 11 ELECT 47uF 20 16V 0346 1 164 159 1...

Page 33: ... R207 1 249 417 11 CARBON IK 5X 1 4W R365 R208 1 249 423 11 CARBON 3 3K 5 1 4W R366 R209 1 249 413 11 CARBON 470 5 1 4W R367 R210 1 249 429 11 CARBON 10K 5X I 4W R368 R211 1 249 410 11 CARBON 270 5X 1 4W R359 R212 1 249 385 11 CARBON 2 2 5X 1 6W R370 R213 1 249 385 11 CARBON 2 2 5X 1 6W R371 R214 1 249 417 11 CARBON IK 5 1 4W R372 1 249 423 11 CARBON 1 249 429 11 CARBON 1 249 423 11 CARBON 1 249 4...

Page 34: ...14 11 CARBON 560 5X 1 4W R392 1 249 405 11 CARBON 100 5X 1 4W R471 1 249 411 11 CARBON 330 5X 1 4W R393 1 249 406 11 CARBON 120 5X 1 4W R472 1 249 417 11 CARBON IK 5 1 4W R394 1 249 435 11 CARBON 33K 5X 1 4W R473 1 249 417 11 CARBON IK 5X 1 4W SWITCH S201 A 1 571 722 1 1 SWITCH VOLTAGE SELECTION 1 10 1 2 0 V 22 0 2 40V CRYSTAL X351 1 579 161 11 VIBRATOR CRYSTAL 45MHz 1 638 213 11 MOTOR VR BOARD MA...

Page 35: ... 547 09 SCREW 8 3X6 5 7 682 548 09 SCREW 8VTT 3X8 S It 7 7 685 646 79 SCREW BVTP 3X8 TYPE2 N S I 8 7 685 647 79 SCREW 8VTP 3X10 TYPE2 N S It 9 7 685 870 01 SCREW BVTT 3X5 S ACCESSORY 8 PACNING MATERIAL c 1 465 594 11 COMMANDER REMOTE RM D791 1 558 27 1 1 1 CORD CONNECTION MADE IN FRANCE AEP UN 1 559 533 11 CORD CONNECTION Canadian MADE IN JAPAN AEP 3 704 343 01 SHEET STANDARD PROTECTION 3 707 584 ...

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