Sony CFD-S38 - Cd Radio Cassette-corder, Service Manual

Page 1: ... rpm CLV Number of channels 2 Frequency response 20 20 000 Hz 1 2 dB Wow and flutter Below measurable limit SPECIFICATIONS Continued on next page Radio section Frequency range FM 87 6 108 MHz AM 530 1 710 kHz Aerials FM Telescopic aerial AM Built in ferrite bar aerial Cassette corder section Recording system 4 track 2 channel stereo Fast winding time Approx 120 sec with Sony cassette C 60 Frequenc...

Page 2: ...temperature of the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering Notes on Chip Component Replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat NOTES ON HANDLIN...

Page 3: ...Mechanism Section 2 44 7 6 Optical Pick up Section 45 8 ELECTRICAL PARTS LIST 46 To Exposed Metal Parts on Set 0 15µF 1 5kΩ AC voltmeter 0 75V Earth Ground Fig A Using an AC voltmeter to check AC leakage SAFETY CHECK OUT After correcting the original service problem perform the following safety check before releasing the set to the customer Check the antenna terminals metal trim metallized knobs s...

Page 4: ...ARCH OPERATION CHECK 1 Turn ON the POWER button and press FUNCTION button to CD position 2 Open the lid CD 3 Turn on S501 with screwdriver etc as following figure 4 Press the CD fl button 5 Confirm the laser diode emission while observing the objecting lens When there is no emission Auto Power Control circuit or Optical Pick up is broken Objective lens moves up and down three times for focus searc...

Page 5: ... 5 SECTION 2 GENERAL This section is extracted from instruction manual ...

Page 6: ... 6 ...

Page 7: ...rocedure in the numerical order given 3 1 LID BATTERY CASE Lid battery case Cabinet assy front Wires Transformer power Antenna telescopic Tuner board Cabinet upper assy Main board CD mechanism block Tape mechanism block Set 1 lid battery case 2 screws BVTP 3x10 3 screws BVTP 3x10 4 screws BVTP 3x12 1 CNP307 2 CNP502 3 cabinet assy front ...

Page 8: ...A B C D E F 1 screws BVTP 3x10 2 screws BVTP 3x10 3 screws BVTP 3x10 4 transformer power 6 CNP901 5 CNP902 Put flat cable and wires between the cabinets and push them in the grooves located at A to F in the figure to prevent disconnection before assembling the set ...

Page 9: ... 9 3 6 TUNER BOARD 3 5 ANTENNA TELESCOPIC 1 screw B 3x8 2 antenna telescopic 1 KH1 2 KH2 3 screw BVTP 3x10 4 tuner retainer board 6 TUNER board 5 tuner retainer board ...

Page 10: ...x10 5 holder assy cassette 7 lid CD cabinet upper assy handle 4 CNP902 3 CNP901 1 KH1 2 KH2 3 7 CABINET UPPER ASSY 3 8 MAIN BOARD 1 screws BVTP 3x10 2 screws BVTP 3x10 3 screws BVTP 3x10 4 connector 6 connector 5 wire flat type 16 core 7 CNP301 8 CNP304 9 CNP305 0 MAIN board ...

Page 11: ... 11 3 9 CD MECHANISM BLOCK 3 10 TAPE MECHANISM BLOCK 1 screws 2 6x10 2 screws 2 6x10 3 CD mechanism block 1 screws BVTP 3x10 2 screw BVTP 3x10 3 tape mechanism block ...

Page 12: ...ly suitable locking compound to the parts adjusted 5 The adjustments should be performed with the rated power supply voltage unless otherwise noted Torque Measurement Mode Torque meter Meter reading FWD CQ 102C 30 70 g cm 0 42 0 97 oz inch FWD CQ 102C 1 5 5 5 g cm Back Tension 0 021 0 076 oz inch FF CQ 201B more than 60 g cm more than 0 83 oz inch REW CQ 201B more than 60 g cm more than 0 83 oz in...

Page 13: ...rform tracking adjustment at L4 and CT3 Lastly check the voltage digital voltmeter 100 kΩ TP VT JW17 2 jack J301 set 32 Ω level meter range 0 5 5 V ac Put the lead wire antenna close to the set AM RF signal generator TP FM ANT FM RF signal generator 0 01 µF set TUNER SECTION 0 dB 1 µV FM Section Setting RADIO BAND button FM 75 kHz frequency deviation by 1 kHz signal output level as low as possible...

Page 14: ...that the oscilloscope waveform is as shown in the figure below eye pattern A good eye pattern means that the diamond shape in the center of the waveform can be clearly distinguished RF signal reference waveform eye pattern π Test Point RF level 1 2 0 1 Vp p VOLT DIV 200 mV 10 1 probe in use TIME DIV 500 nS When observing the eye pattern set the oscilloscope for AC range and raise vertical sensitiv...

Page 15: ... set signal output 28 MODE CHECK I Mode set pin 29 SHIFT CLOCK O Shift clock output 30 RST I System reset input 31 EXTAL I Oscillation input 4 19 MHz 32 XTAL O Oscillation output 4 19 MHz 33 VSS GND 34 VL O LCD drive port ON OFF output 35 37 VLC 3 1 O LCD drive voltage terminal 38 41 COM0 3 O LCD drive common output 42 64 SEG0 22 O LCD drive segment output 65 NC Not used 66 A MUTE O Audio mute out...

Page 16: ...PU INTERFACE MDP XLON SENS SQSO SCOR SPOA SQCK DATA XLAT CLOK SYSM XTAI XTAO SERIAL INTERFACE DIGITAL FILTER D A CONVERTER AOUT1 LOUT1 AOUT2 LOUT2 PWM AMP PWM AMP CD L CH R CH MAIN SECTION 1 2 35 18 11 10 12 13 14 79 21 15 17 6 5 57 4 7 8 9 62 70 71 65 67 76 74 DIGITAL SIGNAL PROCESSOR IC703 9 70 78 5 6 8 7 12 11 10 68 1 X701 16 9344MHz XRST SENS2 SENS1 SQSO SQCK SCOR DATA XLAT CLK MUTE C DOOR CD ...

Page 17: ...AL1 TX TXE TUNER 21 20 X501 4 19MHz X502 32 768kHz CLOCK SHIFT Q505 506 RESET IC503 IF REQ Q13 H FREQ CUT Q12 POWER SWITCH Q503 POWER CONTROL Q501 POWER SWITCH Q502 VDD UCOM KH506 5 5 4 4 1 1 3 3 2 2 KH1 VOL 1 2 4 7 1 2 4 7 S601 607 S609 614 S617 624 1 3 IR RECEIVE IC601 CNP602 CNP502 6 6 8 8 VDD SW D601 OPR BATT VDD UCOM AC HI CD SECTION 3 Signal path FM AM PLAY REC CD R ch same as L ch CE CL DI ...

Page 18: ...ll resistors are in Ω and 1 4 W or less unless otherwise specified internal component U B Line H adjustment for repair Power voltage is dc 9 V and fed with regulated dc power supply from battery terminal Voltage and waveforms are dc with respect to ground under no signal detuned conditions no mark FM AM Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to norma...

Page 19: ...Pattern from the side which enables seeing 6 7 PRINTED WIRING BOARD CONTROL SECTION Refer to page 16 for Circuit Boards Location 1 A B C D E F G H 2 3 4 5 6 7 04 11 Note X parts extracted from the component side b Pattern from the side which enables seeing Page 26 Page 26 Page 26 D1 D 1 D2 D 4 D3 B 4 D5 H 5 D6 G 5 D10 B 1 D11 B 1 IC1 F 4 IC2 F 1 Q12 D 3 Q13 D 2 Semiconductor Location tuner board R...

Page 20: ...2 13 14 1 658 023 S701 LIMIT M702 SLED MOTOR CNP707 31 M M701 SPINDLE MOTOR M 1 6 HEADPHONE BOARD CD MOTOR BOARD 04 2 L CH HRP301 RECORD PLAYBACK HEAD R CH 1 S305 REC 2 1 6 M301 CAPSTAN REEL MOTOR S304 TAPE PLAY S303 MOTOR ON OF M 1 2 3 4 CNP1 CNP2 11 C318 C593 C362 C586 C587 C739 11 US CND E MODEL AR SP MODEL Page 23 Page 24 Page 23 Page 34 ...

Page 21: ...upply from battery terminal Voltage and waveforms are dc with respect to ground under no signal detuned conditions no mark PB REC Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F FM E PB a REC Ref No Location D302 C 5 D303 H 5 D351 D 3 D501 D 6 D951 H 5 D952 H 5 D953 I 4 D955 H 5 D957 I 5 IC301 F 8 IC302 F 5 IC303...

Page 22: ...nput impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Signal path J CD Abbreviation AR Argentine model CND Canadian model SP Singapore model Page 27 Page 31 Note The components identi fied by mark or dotted line with mark are criti cal for safety Replace ...

Page 23: ...s unless otherwise specified C panel designation U B Line Power voltage is dc 9 V and fed with regulated dc power supply from battery terminal Voltage and waveforms are dc with respect to ground under no signal detuned conditions no mark FM TAPE CD STOP Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Abbreviation AR Argentine ...

Page 24: ...4 6 12 PRINTED WIRING BOARDS POWER SUPPLY SECTION Refer to page 16 for Circuit Boards Location D401 G 10 D402 F 10 D403 G 9 D404 G 9 D405 G 9 D406 F 8 D407 F 8 D408 G 8 D901 I 8 D902 I 8 D903 I 9 D904 I 9 D905 G 7 D906 G 8 D907 G 8 D908 I 9 D909 I 9 D910 I 10 IC901 F 8 Q401 G 10 Q402 G 10 Q404 F 9 Q405 F 8 Q406 F 9 Q407 G 9 Q408 F 10 Q409 F 10 Semiconductor Location Ref No Location Note X parts ex...

Page 25: ...ions may be noted due to normal produc tion tolerances Abbreviation AR Argentine model CND Canadian model SP Singapore model Page 28 Note All capacitors are in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified C panel designation U B Line Note The components identi fied by mark...

Page 26: ... 11 10 9 8 7 6 5 4 3 2 1 13 14 15 16 17 20 21 UNLOCK DETECTOR POWER ON RESET UNIVERSAL COUNTER CCB I F NC CE DI CL DO XOUT 22 NC AOUT XIN AIN PD VSS VDD B04 FMIN AMIN B01 B02 B03 I01 I02 IFIN PHASE DETECTOR CHARGE PUMP REFERENCE DIVIDER SWALLOW COUNTER 1 16 1 17 4BITS 12BITS PROGRAMMABLE DIVIDER DATA SHIFT REGISTER LATCH 1 2 18 19 CHARGE UP FSET TRACKING PHASE COMPENSATION FOCUS PHASE COMPENSATION...

Page 27: ... 47 46 55 54 53 52 51 59 58 57 56 60 EFM DEMODULATOR ERROR CORRECTOR 16k RAM D A INTERFACE CLOCK GENERATOR SERVO AUTO SEQUENCER CPU INTERFACE DIGITAL OUT SUB CODE PROCESSOR 3rd ORDER NOISE SHAPER OVER SAMPLING DIGITAL FILTER SERIAL IN INTERFACE DIGITAL CLV OSC DIGITAL PLL ASYMMETRY CORRECTOR LRCKI LRCK ASYO ASYI BIAS RF AVDD CLTV AVSS FILI FILO PCO V16M VCTL VCKI VPCO1 TES1 TES0 PWMI MDP VDD SYSM ...

Page 28: ...SP302 1 529 185 11 SPEAKER 10cm R CH 1 2 3 4 4 4 4 5 6 7 8 9 9 9 10 11 12 SP301 SP302 13 1 8 1 8 1 8 1 1 1 1 NOTE The mechanical parts with no reference number in the exploded views are not supplied Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items XX and X mean standardized parts so they may have some differe...

Page 29: ...NAL S BATTERY 59 1 672 387 11 BATTERY COMMON BOARD 60 3 032 029 01 HANDLE 61 3 028 157 01 TERMINAL S BATTERY 62 4 960 167 01 SCREW 3X8 DIA 10 WH ANT1 1 501 891 11 ANTENNA TELESCOPIC F902 1 532 465 51 FUSE TIME LAG T3 15AL 250V AR SP F902 1 576 109 11 FUSE 5A 125V US CND E T901 1 433 638 11 TRANSFORMER POWER US CND E T901 1 433 639 11 TRANSFORMER POWER AR SP 1 1 1 1 1 1 1 1 T901 ANT1 1 5 F902 not s...

Page 30: ... 041 01 BUTTON REC 111 3 032 042 01 BUTTON PLAY 112 3 032 043 01 BUTTON REW 113 3 032 044 01 BUTTON FF 114 3 032 045 01 BUTTON STOP 115 3 032 046 01 BUTTON PAUSE 116 3 910 095 21 RUBBER VIBRATION PROOF 117 3 910 095 31 RUBBER VIBRATION PROOF 118 3 921 725 01 SCREW 2 6X10 PWH 119 A 3321 757 A MAIN BOARD COMPLETE US CND E 119 A 3321 938 A MAIN BOARD COMPLETE AR SP 120 3 032 035 01 HOLDER LCD 121 3 0...

Page 31: ... 158 3 008 590 01 SLIDER REC 159 3 008 592 01 BASE H HEAD 160 3 008 588 01 SLIDER REW 161 3 008 589 13 SLIDER FF 162 3 008 587 01 SLIDER STOP 163 3 008 591 01 SLIDER PAUSE 164 3 933 004 01 CLAW REEL 165 3 933 021 01 SLIDER FRP 166 3 933 006 01 SLIDER EJECT 167 3 934 833 01 SPRING FRP 168 3 022 794 02 SPRING BT 169 3 933 007 01 PLATE LOCK 170 3 012 114 01 LEVER FR HE301 1 543 876 11 HEAD ERASE HRP3...

Page 32: ... 438 01 LEVER K 210 X 3373 572 1 REEL ASSY N T 211 3 933 020 01 BELT 212 X 3372 924 1 FLYWHEEL ASSY 213 3 932 993 01 CHASSIS OUTSERT 214 3 343 358 01 RING RETAINING 215 3 933 005 01 SPRING CAM COMPRESSION 216 3 016 349 01 WASHER 217 3 937 760 01 SPRING GROUND COMPRESSION 218 3 934 336 01 BEARING 219 3 939 383 02 SPRING COMPRESSION 220 3 009 650 02 SPRING K COMPRESSION 221 3 320 454 01 SHEET M301 A...

Page 33: ...3 255 2 626 908 01 SHAFT SLED 256 X 2626 202 1 CHASSIS ASSY MB MOTOR SPINDLE INCLUDING M701 M702 X 2625 769 1 GEAR ASSY MB MOTOR SLED not supplied M702 M701 255 251 253 254 256 252 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 pa...

Page 34: ...1 SWITCH KEY BOARD POWER S602 1 762 798 11 SWITCH KEY BOARD SLEEP S603 1 762 798 11 SWITCH KEY BOARD TIMER S604 1 762 798 11 SWITCH KEY BOARD MEGA BASS S605 1 762 798 11 SWITCH KEY BOARD VOLUME S606 1 762 798 11 SWITCH KEY BOARD VOLUME S607 1 762 798 11 SWITCH KEY BOARD SOUND S609 1 762 798 11 SWITCH KEY BOARD CD S610 1 762 798 11 SWITCH KEY BOARD CD π S611 1 762 798 11 SWITCH KEY BOARD TIME SET T...

Page 35: ...50V C190 1 136 165 00 FILM 0 1uF 5 50V C191 1 124 907 11 ELECT 10uF 20 50V C201 1 162 301 11 CERAMIC 0 0015uF 20 16V C202 1 104 664 11 ELECT 47uF 20 10V C203 1 127 883 21 CAPACITOR 0 039uF 10 50V C204 1 162 302 11 CERAMIC 0 0022uF 20 16V C205 1 162 215 31 CERAMIC 47PF 5 50V C207 1 162 282 31 CERAMIC 100PF 10 50V C241 1 124 907 11 ELECT 10uF 20 50V C242 1 162 301 11 CERAMIC 0 0015uF 20 16V C243 1 1...

Page 36: ...F 20 16V C703 1 162 305 11 CERAMIC 0 0068uF 20 16V C704 1 137 374 11 FILM 0 047uF 5 50V C705 1 162 306 11 CERAMIC 0 01uF 20 16V C706 1 104 664 11 ELECT 47uF 20 10V C707 1 161 494 00 CERAMIC 0 022uF 25V C708 1 136 165 00 FILM 0 1uF 5 50V C709 1 136 165 00 FILM 0 1uF 5 50V C710 1 162 302 11 CERAMIC 0 0022uF 20 16V C711 1 162 199 31 CERAMIC 10PF 5 50V C712 1 162 294 31 CERAMIC 0 001uF 10 50V C713 1 1...

Page 37: ...P83620 007Q IC502 8 759 479 70 IC S 81250SGY B IC503 8 759 511 42 IC S 80730AN IC701 8 752 082 14 IC CXA1992BR IC702 8 759 473 42 IC BA6898FP IC703 8 752 384 13 IC CXD2589Q COIL JW735 1 410 509 11 INDUCTOR 10uH US CND E CABLE HOLDER KH302 1 565 386 11 HOLDER CABLE 5P KH303 1 568 135 21 HOLDER CABLE 7P KH306 1 565 386 11 HOLDER CABLE 5P KH503 1 573 287 11 HOLDER CABLE 2P KH506 1 565 386 11 HOLDER C...

Page 38: ...3K 5 1 4W R325 1 249 425 11 CARBON 4 7K 5 1 4W R326 1 249 399 11 CARBON 33 5 1 4W R338 1 249 417 11 CARBON 1K 5 1 4W R339 1 249 417 11 CARBON 1K 5 1 4W R340 1 249 417 11 CARBON 1K 5 1 4W R341 1 249 413 11 CARBON 470 5 1 4W R344 1 247 863 11 CARBON 22K 5 1 4W R351 1 249 441 11 CARBON 100K 5 1 4W R352 1 249 421 11 CARBON 2 2K 5 1 4W R353 1 249 441 11 CARBON 100K 5 1 4W R354 1 249 417 11 CARBON 1K 5 ...

Page 39: ...710 1 247 885 00 CARBON 180K 5 1 4W R711 1 247 883 00 CARBON 150K 5 1 4W R712 1 247 891 00 CARBON 330K 5 1 4W R714 1 249 429 11 CARBON 10K 5 1 4W R715 1 249 429 11 CARBON 10K 5 1 4W R716 1 247 852 11 CARBON 7 5K 5 1 4W R717 1 247 903 00 CARBON 1M 5 1 4W R718 1 247 899 11 CARBON 680K 5 1 4W R719 1 249 393 11 CARBON 10 5 1 4W R720 1 249 431 11 CARBON 15K 5 1 4W R721 1 249 435 11 CARBON 33K 5 1 4W R7...

Page 40: ...908 8 719 991 33 DIODE 1SS133T 77 D909 8 719 991 33 DIODE 1SS133T 77 D910 8 719 991 33 DIODE 1SS133T 77 IC IC901 8 759 479 70 IC S 81250SGY B TRANSISTOR Q401 8 729 036 77 TRANSISTOR KRC107M Q402 8 729 036 77 TRANSISTOR KRC107M Q404 8 729 036 77 TRANSISTOR KRC107M Q405 8 729 037 34 TRANSISTOR KRA107M Q406 8 729 036 80 TRANSISTOR KRC110M Q407 8 729 037 03 TRANSISTOR KTA1266GR AT Q408 8 729 036 77 TR...

Page 41: ...306 11 CERAMIC 0 01uF 20 16V C93 1 162 306 11 CERAMIC 0 01uF 20 16V C95 1 162 294 31 CERAMIC 0 001uF 10 50V C96 1 162 282 31 CERAMIC 100PF 10 50V C98 1 162 282 31 CERAMIC 100PF 10 50V FILTER CF1 1 760 738 61 FILTER CERAMIC CF3 1 781 171 11 DISCRIMINATOR CERAMIC CF4 1 781 344 11 FILTER AM CERAMIC TRIMMER CT1 1 141 603 11 CAP ADJ 20PF CT3 1 141 601 11 CAP ADJ 10PF DIODE D1 8 719 050 72 DIODE KV1370N...

Page 42: ...692 960 11 SWITCH PUSH 1 KEY CD DOOR OPEN CLOSE SP301 1 529 185 11 SPEAKER 10cm L CH SP302 1 529 185 11 SPEAKER 10cm R CH T901 1 433 638 11 TRANSFORMER POWER US CND E T901 1 433 639 11 TRANSFORMER POWER AR SP Sony Corporation Personal Audio Company 9 926 939 12 99E047029 1 Printed in Singapore C1999 5 Published by General Engineering Dept CFD S38 Ref No Part No Description Remark ACCESSORIES PACKI...

Page 43: ...39 previously issued 2 Main board modification There are the board change and micro computer IC501 change for main board Former n New I n New II MAIN board part No 1 672 381 11 MAIN board part No 1 672 381 12 MAIN board part No 1 672 381 12 IC501 CXP83620 007Q IC501 CXP83620 007Q IC501 CXP83620 010Q When performing service and inspection check the suffix of the part number of the main board and ty...

Page 44: ...on Change of installing position 8 752 905 50 IC CXP83620 007Q Change of installing position 1 249 425 11 CARBON 4 7K 5 1 4W Part No Description Remark No mount Jumper wire 1 249 429 11 CARBON 10K 5 1 4W 8 752 907 79 IC CXP83620 010Q Jumper wire No mount Note Part change should be made at the same time 2 2 Printed Wiring Board Main board Page 25 26 Location D E 5 7 Changed portion 2 3 Schematic Di...

Page 45: ...oard Page 23 Location G H 5 Changed portion 3 3 Schematic Diagram Tuner section Page 21 22 Location F 2 3 Changed portion Former New Part No Description Remark 8 719 923 93 DIODE MTZJ T 77 16C 8 719 991 33 DIODE 1SS133T 77 8 759 549 84 IC TA2104AN Ref No D5 D6 IC1 Part No Description Remark No mount No mount 8 759 644 86 IC TA2104BN Former New Former New 11 11 ...

Page 46: ... 4 Sony Corporation Personal Audio Company 99I0438 1 Printed in Japan C1999 9 Published by General Engineering Dept 9 926 939 81 CFD S38 ...