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Sony CFD-S250 Service Manual
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Sony CFD-S250 Service Manual

Cd radio cassette-corder
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See also: Operating Instructions
SERVICE MANUAL
Ver 1.1 2004. 09
AUDIO POWER SPECIFICATIONS (US model)
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION
With 3.2-ohm loads, both channels driven from
150 - 6,300 Hz; rated 1.8 W per channel-
minimum RMS power, with no more than 10%
total harmonic distortion in AC operation.
Other Specifications
CD player section
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wave length: 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at 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
Sony Corporation
9-877-084-02
2004I04-1
Personal Audio Company
© 2004. 09
Published by Sony Engineering Corporation
CFD-S250
Model Name Using Similar Mechanism CFD-S200
CD
CD Mechanism Type
Section
Optical Pick-up Name
Model Name Using Similar Mechanism CFD-S200
TC
Section Tape Transport Mechanism Type
SPECIFICATIONS
Radio section
Frequency range
FM: 87.5 - 108 MHz
US, CND, E92, MX model:
AM: 530 - 1,710 kHz
TW model:
AM: 531 - 1,611 kHz
AUS, SP model:
AM: 531 - 1,611 kHz (9 kHz step)
530 - 1,610 kHz (10 kHz step)
Antennas
FM: Telescopic antenna
AM: Built-in ferrite bar antenna
Cassette-corder section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. 120 sec. with Sony cassette C-60
Frequency response
TYPE I (normal): 80 - 10,000 Hz
CD RADIO CASSETTE-CORDER
US Model
Canadian Model
E Model
Australian Model
KSM-213RDP
KSS-213R
MF-S200
– Continued on next page –
1

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Summary of Contents for Sony CFD-S250

  • Page 1 Emission duration: Continuous Fast winding time Laser output: Less than 44.6 µW Approx. 120 sec. with Sony cassette C-60 (This output is the value measured at a distance of Frequency response about 200 mm from the objective lens surface on TYPE I (normal): 80 - 10,000 Hz the optical pick-up block with 7 mm aperture.)
  • Page 2 LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

  • Page 3: Table Of Contents

    CFD-S250 TABLE OF CONTENTS 1. SERVICING NOTES ............4 2. GENERAL ................5 3. DISASSEMBLY 3-1. Cabinet (Upper) Assy ............7 3-2. Cabinet (Front) Assy, Cabinet (Rear) Assy ......7 3-3. Wires ................... 8 3-4. MD Block ................8 3-5. Holder (Cassette) ..............9 3-6.

  • Page 4: Servicing Notes

    CFD-S250 SECTION 1 SERVICING NOTES LASER DIODE AND FOCUS SEARCH OPERATION CHUCK PLATE JIG ON REPAIRING CHECK 1. Turn ON the [POWER] button and press [CD] button to CD On repairing CD section, playing a disc without the lid (CD), use position.

  • Page 5: General

    CFD-S250 SECTION 2 GENERAL This section is extracted from instruction manual. Location of controls Remote Control Loading a CD Inserting a cassette With the side you want to play facing you POWER FUNCTION With the labeled side up BAND .,>...

  • Page 6: Disassembly

    CFD-S250 SECTION 3 DISASSEMBLY • The equipment can be removed using the following procedure. 3-1. CABINET (UPPER) ASSY (Page 7) 3-2. CABINET (FRONT) ASSY, 3-10. CD LID 3-11. CD BLOCK ASSY CABINET (REAR) ASSY (Page 11) (Page 12) (Page 7) 3-12.

  • Page 7: Cabinet (Upper) Assy

    CFD-S250 Note : Follow the disassembly procedure in the numerical order given. 3-1. CABINET (UPPER) ASSY 2 screw (2.6) handle 3 screw (2.6) CD lid 4 screw (2.6) 8 cabinet (upper) assy 1 BTP 2.6x10 6 CNP804 5 connector (S801)

  • Page 8: Wires

    CFD-S250 3-3. WIRES Put flat cable and wires between the cabinets and push them in the grooves located at A to E in the figure to prevent disconnection before assembling the set. from HEADPHONE board cabinet front cabinet rear 3-4. MD BLOCK 1 BVTP 2.6x8...

  • Page 9: Holder (Cassette)

    CFD-S250 3-5. HOLDER (CASSETTE) 1 BVTP 2.6x8 2 damper 4 spring (cassette) 3 holder (cassette) 3-6. LCD BOARD 1 BVTP 2.6x8 3 LCD board 2 BVTP 2.6x8 4 bracket (LCD board)

  • Page 10: Main Board

    CFD-S250 3-7. MAIN BOARD 6 BVTP 2.6x8 7 MAIN board 1 PWH 2.6x10 2 HEADPHONE board 3 CNP322 4 CNP902 5 CNP1 3-8. TUNER BOARD 2 telescopic antenna 1 B 3x8 TU chassis 4 BVTP 2.6x8 7 TUNER board 3 CNP1...

  • Page 11: Power Board

    CFD-S250 3-9. POWER BOARD 3 BVTP 2.6x8 4 BVTP 2.6x8 6 POWER board 2 CNP901 5 BVTP 2.6x8 1 CNP902 3-10. CD LID 3 CD lid spring (CD) 2 claw 1 claw...

  • Page 12: Cd Block Assy

    CFD-S250 3-11. CD BLOCK ASSY 3 CD cover claws claws 4 CD block assy 2 PWH 2.6x10 1 PWH 2.6x10 3-12. OPTICAL PICK-UP 6 optical pick-up 5 sled shaft claw 1 gear (A) 2 PWB tapping (M2) 3 PWB tapping (M2)

  • Page 13: R/P Head (Hrp301), Tc Board

    CFD-S250 3-13. R/P HEAD (HRP301), TC BOARD 4 Removal the solders. claws 2 BVTT 2x4 3 TC board 1 R/P head (HRP301) 3-14. MOTOR ASSY (M801), MAIN BELT (B), SUB BELT (B) 6 motor assy (M801) motor bracket 3 main belt (B) 5 pan M2.6x4.5...

  • Page 14: Mechanical Adjustments

    CFD-S250 SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION TAPE SECTION 0 dB = 0.775 V 1. Clean the following parts with a denatured-alcohol-moistened swab : • Standard Output Level record/playback head pinch roller Output terminal HP OUT erase head rubber belts 32 Ω...

  • Page 15: Tuner Section

    CFD-S250 TUNER SECTION 0 dB = 1 µV FM IF ADJUSTMENT • FM Section Adjust for a maximum reading on level meter. Setting: RADIO BAND•AUTO PRESET button: FM 10.7 MHz FM RF signal generator FM FREQUENCY COVERAGE TP (FM IN) ADJUSTMENT 0.01 µ...

  • Page 16: Cd Section

    CFD-S250 Adjustment Location: CT3, L3 TRACKING ADJUSTMENT – MAIN board (component side) – TP (VT) (CONDUCTOR SIDE) CT1, L1 TP (FM IN) TRACKING (CONDUCTOR SIDE) ADJUSTMENT ADJUSTMENT FREQUENCY COVERAGE ADJUSTMENT ADJUSTMENT FREQUENCY COVERAGE ADJUSTMENT CD SECTION CD section adjustments are done automatically in this set.

  • Page 17: Diagrams

    CFD-S250 SECTION 6 DIAGRAMS 6-1. IC PIN DESCRIPTION • IC802 uPD789477GC-A26-8BT (SYSTEM CONTROLLER) Pin No. Pin Name Pin Description Pin No. Pin Name Pin Description 1, 2 — Not used. (Open) Main system oscillation output (4.19 MHz) 3 to 5...

  • Page 18: Block Diagram - Cd Section

    CFD-S250 6-3. BLOCK DIAGRAM — CD SECTION — LCHO INTERPOLATION CD_IN_ L SLICE ERROR MUTE DIGITAL FIN2 EFMIN (Page 19) LEVEL CORRECTION & FILTER CONTROL AUDIO CD ATTENUATION & RCHO CD_IN_R DEEMPHASIS 1-bit DAC PH/BH AUDIO DOUT FIN1 CLV,CAV RF AMP,...

  • Page 19: Block Diagram - Main Section

    CFD-S250 6-4. BLOCK DIAGRAM — MAIN SECTION — IC301 R.RO ELECTRONIC VOLUME R.IN R.LINE POWER AMP REC/PB CD_IN_R IC304 PRE AMP R-CH (Page 18) L.RO IC301 VOL AMP J321 ALC 2 LINE VOUT2 L.LINE VIN2 L.LO CD_IN_L Q942 HRP301 EXCEPT...

  • Page 20: Printed Wiring Board - Cd Section

    CFD-S250 6-5. PRINTED WIRING BOARD — CD SECTION — • Refer to page 17 for Circuit Boards Location. THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) Common Note on Schematic Diagrams: •...

  • Page 21: Schematic Diagram - Cd Section

    CFD-S250 6-6. SCHEMATIC DIAGRAM — CD SECTION — • Refer to page 20 for Common Note on Schematic Diagrams and page 33 for IC Block Diagrams. C727 C726 C724 C725 C721 R717 C730 C720 R716 R728 R727 C722 R718 C723...

  • Page 22: Printed Wiring Board - Tuner Section

    CFD-S250 6-7. PRINTED WIRING BOARD — TUNER SECTION — • Refer to page 17 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. (Page 24) (Page 24) 1-688-455- (11) • Semiconductor Location Ref. No. Location...

  • Page 23: Schematic Diagram - Tuner Section

    CFD-S250 6-8. SCHEMATIC DIAGRAM — TUNER SECTION — • Refer to page 20 for Common Note on Schematic Diagrams and page 34 for IC Block Diagrams. JC12 JC11 C51 C52 JC24 IC B/D IC B/D JC13 ANT1 CNP2 CNP1 (Page 25)

  • Page 24: Printed Wiring Boards - Main Section

    CFD-S250 6-9. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 17 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. (Page 20) J321 C111 D323 JW366 R112 C212 C211 C324 C210 JW368...

  • Page 25: Schematic Diagram - Main Section (1/2)

    CFD-S250 6-10. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 20 for Common Note on Schematic Diagrams, page 24 for Waveforms and page 35 for IC Block Diagrams. R835 R844 R839 R832 R836 IC B/D R843 CNP803...

  • Page 26: Schematic Diagram - Main Section (2/2)

    CFD-S250 6-11. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 20 for Common Note on Schematic Diagrams and page 35 for IC Block Diagrams. R104 C105 D323 C323 R323 R324 C324 R215 R115 C102 C104 JC310 R106...

  • Page 27: Printed Wiring Board - Tc Section

    CFD-S250 6-12. PRINTED WIRING BOARD — TC SECTION — • Refer to page 17 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. T301 C308 C307 C310 C305 R307 R308 C304 R306 C306 CN303 IC301...

  • Page 28: Schematic Diagram - Tc Section

    CFD-S250 6-13. SCHEMATIC DIAGRAM — TC SECTION — • Refer to page 20 for Common Note on Schematic Diagrams and page 35 for IC Block Diagrams. IC301 R103 R112 IC B/D R301 R102 C102 C103 R104 R111 C301 C104 C101...

  • Page 29: Printed Wiring Boards - Control Section

    CFD-S250 6-14. PRINTED WIRING BOARDS — CONTROL SECTION — • Refer to page 17 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. (Page 24) (Page 24) (Page 24) CNP401 S438 S416 R458 R464 R434...

  • Page 30: Schematic Diagram - Control Section

    CFD-S250 6-15. SCHEMATIC DIAGRAM — CONTROL SECTION — • Refer to page 20 for Common Note on Schematic Diagrams. CNP410 FFC410 CNP401 FFC402 JC401 JC410 R459 CNP409 IC401 S417 C405 R458 (Page 25) S438 FFC408 R427 FFC403 S425 R434 C406...

  • Page 31: Printed Wiring Boards - Power Supply Section

    CFD-S250 6-16. PRINTED WIRING BOARDS — POWER SUPPLY SECTION — • Refer to page 17 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards. CNP904 (Page 24) JW901 JW902...

  • Page 32: Schematic Diagram - Power Supply Section

    CFD-S250 6-17. SCHEMATIC DIAGRAM — POWER SUPPLY SECTION — • Refer to page 20 for Common Note on Schematic Diagrams. (Page 26)

  • Page 33: Ic Block Diagrams

    CFD-S250 6-18. IC BLOCK DIAGRAMS IC701 LC78646E-E (CD Board) 78 77 76 75 74 73 72 71 69 68 67 66 65 64 63 62 61 FIN1 – FIN2 – TIN1 TBAL – – TIN2 – – TBAL – RFMON...
  • Page 34 CFD-S250 IC702 BA5826FP-E2 (CD Board) IC1 TA2149BN (TUNER Board) GND1 FM RF-OUT FM RF SP– D.BUFF VCC1 FM RF-IN SL– AM RF-IN D.BUFF AM LOW CUT LEVEL D.BUFF SHIFT MIX OUT FM OSC D.BUFF SPIN LEVEL SHIFT AM OSC BUFF...
  • Page 35 CFD-S250 IC803 CAT24WC02JI-1.8-TE13 (MAIN Board) 1K BIT EEPROM ARRAY 8BIT 7BIT SLAVE • WORD ADDRESS DATA ADDRESS 7BIT DECODER REGISTER REGISTER START STOP CONTROL CIRCUIT HIGH VOLTAGE POWER SUPPLY OCCURENCE CIRCUIT VOLTAGE DETECTION IC301 PT2257 (MAIN Board) VIN2 VOUT2 CLOCK...

  • Page 36: Exploded Views

    CFD-S250 SECTION 7 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied. Example : 0 are critical for safety.

  • Page 37: Cabinet (Front) Section

    CFD-S250 7-2. CABINET (FRONT) SECTION SP301 supplied LCD401 supplied MD block supplied SP302 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3382-901-1 CABINET (FRONT) SUB ASSY (S) 3-248-291-01 BUTTON (FF), MD (SILVER)...(SILVER) (SILVER)...(SILVER) (US) (US,CND,E92,MX) X-3382-902-1 CABINET (FRONT) SUB ASSY (S) 3-248-291-11 BUTTON (FF), MD (SILVER)...(SILVER)

  • Page 38: Cabinet (Upper) (1) Section

    CFD-S250 7-3. CABINET (UPPER) (1) SECTION S801 KSM-213RDP not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-923-736-01 COVER, CD 3-047-468-11 DAMPER 3-931-379-21 RUBBER, VIBRATION PROOF 3-019-395-01 PLATE, CHUCKING 3-931-379-31 RUBBER, VIBRATION PROOF 1-452-899-11 MAGNET 3-921-725-11 SCREW (2.6X10), +PWH...

  • Page 39: Cabinet (Upper) (2) Section

    CFD-S250 7-4. CABINET (UPPER) (2) SECTION not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3382-892-1 CABINET (UPPER) SUB ASSY 3-248-319-01 BUTTON (MODE) (SILVER)...(SILVER) (E92,MX) (SILVER)...(SILVER) (US) 3-248-319-11 BUTTON (MODE) (SILVER)...(SILVER)

  • Page 40: Cabinet (Rear) Section

    CFD-S250 Ver 1.1 7-5. CABINET (REAR) SECTION ANT1 not supplied T901 supplied F902 not supplied The components identified by Les composants identifiés par une mark 0 or dotted line with mark marque 0 sont critiques pour 0 are critical for safety.

  • Page 41: Tape Mechanism Section

    CFD-S250 7-6. TAPE MECHANISM SECTION not supplied M801 not supplied HRP301 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-244-086-01 ARM, PINCH ROLLER 3-237-719-01 CHASSIS, TC 3-244-079-01 BELT (B), SUB 3-030-741-01 SCREW (M2X2) 3-244-080-01 BELT (B), MAIN...

  • Page 42: Cd Mechanism Section

    CFD-S250 Ver 1.1 7-7. CD MECHANISM SECTION (KSM-213RDP) M701 M702 The components identified by Les composants identifiés par une mark 0 or dotted line with mark marque 0 sont critiques pour 0 are critical for safety. la sécurité. Replace only with part number Ne les remplacer que par une piéce...

  • Page 43: Electrical Parts List

    CFD-S250 SECTION 8 BATTERY (1) ELECTRICAL PARTS LIST BATTERY (2) NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
  • Page 44 CFD-S250 CD BUTTON FUNCTION KEY POWER KEY HEADPHONE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R703 1-216-835-11 METAL CHIP 1/10W R452 1-216-825-11 METAL CHIP 2.2K 1/10W R704 1-216-835-11 METAL CHIP 1/10W R453 1-216-821-11 METAL CHIP...
  • Page 45 CFD-S250 HEADPHONE MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > C204 1-126-963-11 ELECT 4.7uF C205 1-162-970-11 CERAMIC CHIP 0.01uF R116 1-216-809-11 METAL CHIP 1/10W C206 1-162-966-11 CERAMIC CHIP 0.0022uF 10% R216 1-216-809-11 METAL CHIP...
  • Page 46 CFD-S250 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < CONNECTOR > < TRANSISTOR > CNB801 1-784-766-11 CONNECTOR, FFC 5P Q122 8-729-905-40 TRANSISTOR 2SC4081T106 CNP302 1-784-726-11 CONNECTOR, FFC 4P Q124 8-729-029-10 TRANSISTOR DTC143TUA-T106 CNP802 1-784-766-11 CONNECTOR, FFC 5P...
  • Page 47 CFD-S250 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R308 1-216-833-11 METAL CHIP 1/10W R839 1-216-829-11 METAL CHIP 4.7K 1/10W R322 1-216-833-11 METAL CHIP 1/10W R840 1-216-841-11 METAL CHIP 1/10W R323 1-216-857-11 METAL CHIP 1/10W...
  • Page 48 CFD-S250 Ver 1.1 MAIN POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R954 1-216-821-11 METAL CHIP 1/10W A-3683-864-A TC BOARD, COMPLETE R955 1-216-821-11 METAL CHIP 1/10W ******************* R956 1-216-833-11 METAL CHIP 1/10W R957 1-216-833-11 METAL CHIP 1/10W <...
  • Page 49 CFD-S250 TEN KEY TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R112 1-216-827-11 METAL CHIP 3.3K 1/10W R463 1-216-821-11 METAL CHIP 1/10W R201 1-216-835-11 METAL CHIP 1/10W R464 1-216-825-11 METAL CHIP 2.2K 1/10W R202 1-216-807-11 METAL CHIP...
  • Page 50 CFD-S250 TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-162-970-11 CERAMIC CHIP 0.01uF 1-216-864-11 METAL CHIP 1/10W 1-162-970-11 CERAMIC CHIP 0.01uF 1-216-864-11 METAL CHIP 1/10W 1-162-970-11 CERAMIC CHIP 0.01uF JC11 1-216-864-11 METAL CHIP 1/10W 1-107-826-11 CERAMIC CHIP 0.1uF...
  • Page 51 CFD-S250 Ver 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3347-773-A VOL BOARD, COMPLETE ACCESSORIES ******************** ************ 3-831-441-11 CUSHION (B) 1-557-287-11 CORD, POWER (E92,MX,TW) 1-690-952-13 CORD, POWER (CND) < JUMPER RESISTOR > 1-696-819-11 CORD, POWER (AUS)
  • Page 52 CFD-S250 MEMO...
  • Page 53 CFD-S250 US Model Canadian Model SERVICE MANUAL E Model Australian Model Ver 1.1 2004. 09 SUPPLEMENT-1 File this supplement with the service manual. Subject: Change of CD Mechanism Block (KSM-213RDP→KSM-213CDP) (SPM-04041) CD mechanism block is changed from KSM-213RDP to KSM-213CDP in the midway of production.
  • Page 54 CFD-S250 CD MECHANISM SECTION (KSM-213CDP) not supplied not supplied (M701 (SPINDLE)) M702 The components identified by Les composants identifiés par une mark 0 or dotted line with mark marque 0 sont critiques pour 0 are critical for safety. la sécurité.
  • Page 55 CFD-S250 MEMO...
  • Page 56 CFD-S250 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2003. 02 2004.

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