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— 9 —

SECTION 3

DISASSEMBLY

Note :

Follow the disassembly procedure in the numerical order given.

SET

FRONT CABINET

CONTROL (1) BOARD

TUNING KNOB

UPPER CABINET

MECHANISM DECK

PRIMARY BOARD

REC SW BOARD

MAIN BOARD

POWER BOARD

BATT BOARD

OPTICAL PICK-UP SECTION

CONTROL (2) BOARD

HEADPHONES BOARD

 The equipment can be removed using the following procedure.

3-1.

FRONT CABINET, CONTROL (1) BOARD, CONTROL (2) BOARD, HEADSPHONES BOARD

1

 Screws

    +BVTP 3 

×

 12

4

 Screws

    +BVTP 3 

×

 12

2

 STOP/EJECT

Handle

Cabinet (upper) assy

Tape operation button

Rear cabinet

6

5

7

3

3-2.

UPPER CABINET

Front cabinet

Rear cabinet

6

 CONTROL (1) board

 CONTROL (2)

     board

5

 BVTP 2.6 

×

 8

 Screw +BVTP 2.6 

×

 8

7

 Screws

     +BVTP 2.6 

×

 8

9

 Screws

    +BVTP 2.6 

×

 8

3

 BVTP 3 

×

 14

3

 Screws

    +BVTP 3 

×

 14

8

 TUNING KNOB

!™

 Headphones board

2

1

4

Summary of Contents for CFD-V25 - Cd Radio Cassette-corder

Page 1: ... a distance of about 200 mm from the objective lens surface on the optical pick up block with 7 mm aperture Spindle speed 200 r min rpm to 500 r min rpm CLV Number of channels 2 Frequency response 20 20 000 Hz 1 2 dB Wow and flutter Below measurable limit 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 secti...

Page 2: ...RTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY ATTENTION AU COMPOSANT AYANT RAPPORT À LA SÉCURITÉ LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT NE REMPLACER CES COMPOSANTS QUE PAR D...

Page 3: ...bjective lens CHUCK PLATE JIG ON REPAIRING On repairing CD section playing a disc without the CD lid use Chuck Plate Jig Code number of Chuck Plate Jig X 4918 255 1 LASER DIODE AND FOCUS SEARCH OPERATION CHECK 1 Press CD open knob 2 Open the lid for CD 3 Push on SWITCH as following figure 4 Confirm the laser diode emission while observing the objecting lens When there is no emission Auto Power Con...

Page 4: ...NG knob 9 PRESET SOUND MODE buttons V35 only º TONE H button V25 only CD operating TONE L button V25 only 2 DISPLAY ENTER button VOLUME button PLAY MODE button MEGA BASS button VOLUME button ª Information display 1 POWER AC ONLY button 2 Number buttons 3 VOL buttons 4 CD operation buttons 5 CD button 6 TAPE button 7 LOOP button 8 BAND select buttons 9 TONE H L buttons CV25A º MODE button MEGA BASS...

Page 5: ... 5 ...

Page 6: ... 6 ...

Page 7: ... 7 ...

Page 8: ... 8 ...

Page 9: ...ARD The equipment can be removed using the following procedure 3 1 FRONT CABINET CONTROL 1 BOARD CONTROL 2 BOARD HEADSPHONES BOARD 1 Screws BVTP 3 12 4 Screws BVTP 3 12 2 STOP EJECT Handle Cabinet upper assy Tape operation button Rear cabinet 6 5 7 3 3 2 UPPER CABINET Front cabinet Rear cabinet 6 CONTROL 1 board º CONTROL 2 board 5 Screws BVTP 2 6 8 Screw BVTP 2 6 8 7 Screws BVTP 2 6 8 9 Screws BV...

Page 10: ...BVTP 3 10 Mechanism deck REC SW board BATT board MAIN board PRIMARY board Rear cabinet 3 Screws BVTP 3 10 6 Screws BVTP 3 10 8 Screws BVTP 3 10 Screws BVTP 3 10 5 CNP301 4pin 7 9 POWER board 2 4 º 3 Wire Flat type 16 core to MAIN board CNP701 2 CNP702 6pin 1 5 CD Motor board Optical pick up section 4 Remove solder ...

Page 11: ... record playback head pinch roller erase head rubber belts capstans 2 Demagnetize the record playback head with a head demagnetizer Do not bring the head demagnetizer close to the erase head 3 Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compound to the parts adjusted Torque Measurement Tape Tension Measurement Meter Reading 60g cm 0 42 0 8...

Page 12: ...L3 620kHz CV1 3 4 1 400kHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L1 86 5MHz CV1 1 4 109 5MHz AM SECTION FM SECTION Put the lead wire antenna close to the set 30 amplitude modulation by 400Hz signal Output level as low as possible AM RF signal generator 0 01µF FM RF signal generator telescopic antenna terminal 75kHz 100 amplitude modulation by 1kHz signal Output level a...

Page 13: ...1 Modulation no modulation Output level 0 1V 100dB Frequency counter 0 01µF 33k Ω IC1 Pin 4 IC1 Pin 7 RED 10 70MHz BLUE 10 67MHz ORANGE 10 73MHz BLACK 10 64MHz WHITE 10 76MHz color mark CF1 Adjustment Location MAIN board Component side CF1 T2 L2 L4 L3 T1 RV1 IC701 CV1 1 4 CV1 2 4 L1 L2 FM Tracking CV1 3 4 L3 AM Tracking FM Frequency Coverage Adjustment CV1 4 4 L4 ANT IN AM Frequency Coverage Adjus...

Page 14: ...rmal noises 3 Press p button Confirm that focus search operation stops If it does not press p button again longer How to Enter the Set into Test Mode 1 Turn the AC CORD IN Adaptor LCD 501 indicator blinks the test mode pattern 2 Short circuit between the lands as shown on the control 1 board How to Exit the Test Mode Turn the POWER OFF CONTROL 1 BOARD CD SECTION E F Balance Check Adjustment Locati...

Page 15: ...omponent side See page 23 A frequency response analyzer is necessary in order to perform this check exactly However this gain has a margin so even if it is slightly off there is no problem Focus Tracking gain determines the pick up follow up vertical and horizontal relative to mechanical noise and mechanical shock when the 2 axis device operate Tracking Gain Symptoms Focus The time until music sta...

Page 16: ... tracking waveform low focus gain high focus gain low tracking gain high tracking gain high fundamental wave than for low gain MAIN BOARD 100mV 0V VOLT DIV 100mV TIME DIV 1ms VOLT DIV 100mV TIME DIV 2ms 200mV 0V VOLT DIV 100mV TIME DIV 2ms 75mV 0V VOLT DIV 1V TIME DIV 2ms 0V VOLT DIV 1V TIME DIV 2ms 0V VOLT DIV 1V TIME DIV 2ms 0V TP FE TP RF TP TE TP TE TP FE TP VC TP VC Osilloscope DC range Incor...

Page 17: ...rd BATT board CD MOTOR board MAIN board POWER board LED board CONTROL 2 board CONTROL 1 board PRIMARY board HEADPHONE board LAMP board V35 JUCK RETAINER board RMC board SECTION 5 DIAGRAMS 5 1 CIRCUIT BOARDS LOCATION ...

Page 18: ...h Input from LIVE TONE key Input from VOCAL TONE key Input from VOL key Input from VOL key Mode check from RADIO SOUND Open close sense from CD door Input from RADIO BAND switch Input from CD key A D Input from TAPE FUNCTION key Input from FM RADIO key Input from AM FUNCTION key Input from CD FUNCTION key Reset input 4 19 MHz input 4 19 MHz output Microprocessor reference GND ON OFF terminal of LC...

Page 19: ...ENS SQSO 4 SQCK 70 XTAI 71 XTAO XLAT SENS RFO FOK C OUT DATA XLT CLK MDP 17 XLON MUTE SPOA XRST 16 13 FEO TEO SLO IC703 1 2 FOCUS TRACKING COIL SLED SPINDLE MOTOR DRIVER IC703 1 2 SPINDLE MOTOR DRIVER IC701 CD RF SERVO PROSSESOR 26 19 T IN 27 17 18 VR PD PD 2 1 12 11 25 F IN 3 SL IN 9 14 15 SP IN 7 MUTE F F T T SL SL SP SP M M MOTOR M702 SLED MOTOR M701 SPINDOL S701 LIMIT L OUT R OUT IC703 SIGNAL ...

Page 20: ... D513 G 14 D602 C 9 D603 C 8 D604 C 8 D605 C 7 D606 B 9 D607 B 8 D608 B 7 D901 G 2 D902 G 2 D903 H 3 D904 H 3 D905 G 4 D906 E 5 D907 H 4 D908 H 4 D951 I 8 D952 I 8 D953 I 7 D954 I 7 D955 I 9 D957 I 9 D958 H 8 D959 I 8 IC1 F 19 IC301 J 15 IC302 F 9 IC304 F 7 IC501 F 16 IC502 G 14 IC503 F 17 IC601 C 18 IC701 I 21 IC702 H 19 IC703 I 17 Q1 E 18 Q301 I 13 Q308 H 9 Q309 G 7 Q501 F 18 Q502 G 14 Q503 G 14...

Page 21: ... voltage is dc 9 V and fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground un der no signal detuned conditions no mark CD PLAY FM AM Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances Waveforms are taken with a oscilloscope Signal path F FM f AM Abbreviation CND Canadian 3...

Page 22: ... no signal detuned conditions no mark CD PLAY TAPE PLAY TAPE REC Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances Waveforms are taken with a oscilloscope Signal path F FM E PB a REC J CD Abbreviation CND Canadian Note The components identi fied by mark or dotted line with mark are criti cal for safety Replace only with part num...

Page 23: ...M FRONT END AM FRONT END VCO MPX REG 1 2 COUNTER 1 2 COUNTER PD1 PD2 MUTING DECODER AMP MONO ST SELECT RIPPLE FILTER AUTOBLEND BAND PASS MUTE TUNING INDICATOR FM IF DISCRI AM IF DET GND PLL LPF2 MPX REG VCO FM DISCRI MUTE AM OSC AFC FM OSC REG FM RF AM RF IN FM RF IN BAND SELECT AM IF IN FM IF IN TUNE IND GND VCC L CH OUT R CH OUT ST IND VCO CHECK PILOT DET LPF2 PILOT DET LPF2 PLL LPF1 AGC AFC2 AG...

Page 24: ...206 01 SHAFT MD 61 3 009 196 31 BUTTON REC 62 3 009 199 31 BUTTON PLAY 63 3 009 198 31 BUTTON REW 64 3 009 197 31 BUTTON FF 65 3 009 200 31 BUTTON STOP 66 3 009 195 31 BUTTON PAUSE 67 3 009 214 01 SPRING REC 68 4 951 620 01 SCREW 2 6 8 BVTP 69 1 668 333 11 REC SW BOARD 70 3 009 201 31 HANDLE 71 3 923 736 01 COVER CD 72 1 777 955 11 WIRE FLAT TYPE 16 CORE 73 3 910 095 11 RUBBER VIBRATION PROOF 74 3...

Page 25: ...SSY 205 3 932 997 01 GEAR CAM 206 3 932 999 01 SLIDER SW 207 3 932 998 01 SPRING GROUND TORSION 208 3 009 648 01 LEVER S OFF 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 217 3 937 760 01 SPRING GROUND COMPRESSION 218 3 934 336 01 BEARING 219 3 939 383 02 S...

Page 26: ... UP SECTION KSM 213CDM C2NP 5 not supplied M702 M701 253 254 252 251 255 251 2 626 908 01 SHAFT SLED 252 2 627 003 02 GEAR B RP 253 2 626 907 01 GEAR A 254 8 848 483 05 KSS 213C Q RP 255 X 2626 202 1 CHASSIS ASSY MB RP MOTOR INCLUDING M702 SPINDLE M701 X 2625 769 1 GEAR ASSY MB RP MOTOR SLED ...

Page 27: ... 4W R654 1 249 437 11 CARBON 47K 5 1 4W R655 1 249 437 11 CARBON 47K 5 1 4W R656 1 249 437 11 CARBON 47K 5 1 4W R657 1 249 431 11 CARBON 15K 5 1 4W R658 1 249 431 11 CARBON 15K 5 1 4W R659 1 249 431 11 CARBON 15K 5 1 4W R660 1 249 431 11 CARBON 15K 5 1 4W R661 1 249 431 11 CARBON 15K 5 1 4W SWITCH S650 1 762 798 11 SWITCH KEYBOARD LOOP S651 1 762 798 11 SWITCH KEYBOARD POWER S652 1 762 798 11 SWIT...

Page 28: ...P BOARD V35 CABLE HOLDER KH306 1 573 287 11 HOLDER CABLE 2P V35 PILOT LAMP PL361 1 517 474 11 LAMP PILOT V35 1 668 349 11 LED BOARD DIODE D606 8 719 059 97 DIODE L 34HD A 3321 097 A MAIN BOARD COMPLETE V35 A 3321 108 A MAIN BOARD COMPLETE V25 US CND A 3321 300 A MAIN BOARD COMPLETE V25 E 3 009 192 01 GEAR TUNING CAPACITOR 3 019 789 01 HOLDER LCD 3 019 795 01 SHEET DIFFUSION V35 7 621 773 95 SCREW ...

Page 29: ...1uF 10 50V C546 1 162 294 31 CERAMIC 0 001uF 10 50V C547 1 162 294 31 CERAMIC 0 001uF 10 50V C548 1 162 294 31 CERAMIC 0 001uF 10 50V C549 1 162 294 31 CERAMIC 0 001uF 10 50V C550 1 162 294 31 CERAMIC 0 001uF 10 50V C551 1 162 294 31 CERAMIC 0 001uF 10 50V C552 1 162 306 11 CERAMIC 0 01uF 20 16V C553 1 162 306 11 CERAMIC 0 01uF 20 16V C554 1 162 306 11 CERAMIC 0 01uF 20 16V C555 1 162 306 11 CERAM...

Page 30: ... 162 11 PIN CONNECTOR PC BOARD 10P CNP505 1 580 160 11 PIN CONNECTOR PC BOARD 8P CNP506 1 580 154 11 PIN CONNECTOR PC BOARD 2P CNP701 1 770 674 11 CONNECTOR FFC FPC 16P VARIABLE CAPACITOR CV1 1 141 559 11 CAP VAR DIODE D1 8 719 991 33 DIODE 1SS133T 77 D2 8 719 991 33 DIODE 1SS133T 77 D501 8 719 991 33 DIODE 1SS133T 77 D502 8 719 991 33 DIODE 1SS133T 77 D503 8 719 991 33 DIODE 1SS133T 77 D504 8 719...

Page 31: ...N 1K 5 1 4W F R512 1 249 429 11 CARBON 10K 5 1 4W R513 1 249 429 11 CARBON 10K 5 1 4W R514 1 249 417 11 CARBON 1K 5 1 4W F R515 1 249 417 11 CARBON 1K 5 1 4W F R516 1 249 417 11 CARBON 1K 5 1 4W F R517 1 249 417 11 CARBON 1K 5 1 4W F R518 1 249 417 11 CARBON 1K 5 1 4W F R519 1 249 417 11 CARBON 1K 5 1 4W F R520 1 249 417 11 CARBON 1K 5 1 4W F R521 1 249 417 11 CARBON 1K 5 1 4W F R522 1 249 417 11 ...

Page 32: ...3K 5 1 4W R741 1 249 417 11 CARBON 1K 5 1 4W F R742 1 249 417 11 CARBON 1K 5 1 4W F R744 1 249 417 11 CARBON 1K 5 1 4W F R745 1 249 417 11 CARBON 1K 5 1 4W F R746 1 249 417 11 CARBON 1K 5 1 4W F R747 1 249 437 11 CARBON 47K 5 1 4W R757 1 249 417 11 CARBON 1K 5 1 4W F R758 1 249 437 11 CARBON 47K 5 1 4W R760 1 249 437 11 CARBON 47K 5 1 4W R764 1 247 843 11 CARBON 3 3K 5 1 4W R765 1 249 417 11 CARBO...

Page 33: ...62 306 11 CERAMIC 0 01uF 20 16V C958 1 162 306 11 CERAMIC 0 01uF 20 16V C959 1 162 306 11 CERAMIC 0 01uF 20 16V CONNECTOR CNP308 1 580 165 11 PIN CONNECTOR PC BOARD 4P CNP313 1 580 165 11 PIN CONNECTOR PC BOARD 4P CNP902 1 506 986 11 PIN CONNECTOR PC BOARD 4P DIODE D351 8 719 991 33 DIODE 1SS133T 77 D352 8 719 991 33 DIODE 1SS133T 77 D951 8 719 991 33 DIODE 1SS133T 77 V25 CND E V35 CND D952 8 719 ...

Page 34: ... DIODE 1SS133T 77 D906 8 719 991 33 DIODE 1SS133T 77 D907 8 719 991 33 DIODE 1SS133T 77 D908 8 719 991 33 DIODE 1SS133T 77 FUSE F902 1 533 618 11 FUSE GLASS CRYSTAL 3 15A 250V CABLE HOLDER KH901 1 573 287 11 HOLDER CABLE 2P KH902 1 565 385 11 HOLDER CABLE 4P LINE FILTER LF901 1 402 663 11 TRANSFORMER LINE FILTER LFT RESISTOR R901 1 247 807 31 CARBON 100 5 1 4W R902 1 249 401 11 CARBON 47 5 1 4W F ...

Page 35: ...CND ENGLISH 3 861 412 21 MANUAL INSTRUCTION V25 CND FRENCH 3 861 413 11 MANUAL INSTRUCTION V25 E SPANISH 3 861 414 11 MANUAL INSTRUCTION V35 ENGLISH 3 861 414 21 MANUAL INSTRUCTION V35 CND FRENCH 4 991 047 01 COVER BATTERY FOR REMOTE COMMANDER 8 917 624 90 REMOTE COMMANDER RMT CV25A SET 8 917 626 90 REMOTE COMMANDER RMT CV35A SET V35 HARDWARE LIST 1 7 685 647 79 SCREW BVTP 3 10 TYPE2 N S 2 7 685 5...

Page 36: ... 54 CFD V25 V35 Sony Corporation Personal A V Products Company 98B167042 1 Printed in Singapore 1998 2 Published by Quality Engineering Dept Shibaura 9 923 315 11 ...

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