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Sony CFD-S28L Service Manual

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SERVICE MANUAL
Ver 1.0 1999. 04
MICROFILM
CFD-S28L
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Optical Pick-up Name
Model Name Using Similar Mechanism
TAPE
Section
Tape Transport Mechanism Type
SPECIFICATIONS
CD RADIO CASSETTE-CORDER
AEP Model
UK Model
Australian Model
NEW
KSM-213CDM
KSS-213C
CFD-V10
MF-V10-117
– Continued on next page –

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  Summary of Contents for Sony CFD-S28L

  • Page 1 CFD-S28L SERVICE MANUAL AEP Model UK Model Ver 1.0 1999. 04 Australian Model Model Name Using Similar Mechanism CD Mechanism Type KSM-213CDM Section Optical Pick-up Name KSS-213C Model Name Using Similar Mechanism CFD-V10 TAPE Section Tape Transport Mechanism Type MF-V10-117 SPECIFICATIONS –...
  • Page 2: Table Of Contents

    OPERATION. REPLACE THESE COMPONENTS WITH • Never reuse a disconnected chip component. SONY PARTS WHOSE PART NUMBERS APPEAR AS • Notice that the minus side of a tantalum capacitor may be dam- SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- aged by heat.
  • Page 3: Servicing Notes

    SECTION 1 SERVICENG NOTES HOW TO CHANGED THE CERAMIC FILTERS CHUCK PLATE JIG ON REPAIRING This model is used two ceramic filters of CF1 and CF2. You must used same type of color marked ceramic filters in order On repairing CD section, playing a disc without the lid (CD), use to meet same specifications.
  • Page 4: General

    SECTION 2 This section is extracted from instruction manual. GENERAL – 4 –...
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  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY • This set is can be disassembled in the order shown below. Front cabinet Wires Power Cabinet (upper) Main Lid (CD) assy transformer assy board Cassette Tuner holder assy board CD mechanism block Tape mechanism block Note: Follow the disassembly procedure in the numerical order given. FRONT CABINET ASSY 1 battery case lid 2 two screws...
  • Page 8 WIRES 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. FRONT CABINET CABINET (REAR) POWER TRANSFORMER 1 two screws (BVTP3 × 10) 1 two screws (BVTP3 ×...
  • Page 9 TUNER BOARD 2 telescopic antenna 1 screw (B3 × 8) 6 Remove the solder of two connector leads. 4 two retainer boards 5 TUNER board 3 screw (BVTP3 × 10) – 9 –...
  • Page 10 CABINET (UPPER) ASSY 2 Open the cassette holder assy. 3 three screws (BVTP3 × 10) 3 three screws (BVTP3 × 10) 1 Open the lid (CD). 4 cabinet (upper) 3 screw assy (BVTP3 × 10) 5 handle MAIN BOARD 3 two screws 4 screw (BVTP3 ×...
  • Page 11 6 Remove the lid (CD). LID (CD) 1 Push and open the lid (CD). 5 two bosses 3 damper 4 spring (CD) 2 screw (BVTP3 × 10) CASSETTE HOLDER ASSY 7 cassette holder assy 2 Open the cassette holder assy. 6 two bosses 1 Push the eject button.
  • Page 12 CD MECHANISM BLOCK 2 two screws 1 two screws (2.6 × 10) (2.6 × 10) 2 CD mechanism block TAPE MECHANISM BLOCK 1 two screws (BVTP3 × 10) 2 tape mechanism block wiring stopper 1 screw (BVTP3 × 10) – 12 –...
  • Page 13: Mechanical Adjustments

    SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION PRECAUTION 1. Clean the following parts with a denatured-alcohol-moistened 1. Setting swab : SOUND control : OFF record/playback head pinch roller erase head rubber belts TAPE DECK SECTION 0 dB=0.775 V capstan idlers 2.
  • Page 14: Tuner Section

    0 dB=1 µV AM IF ADJUSTMENT TUNER SECTION Adjust for a maximum reading on level meter [MW/LW] 450 kHz Setting: Function : RADIO MW VCO VOLTAGE CONFIRMATION BAND button : MW or LW Frequency Display Reading on Digital Voltmeter Put the lead-wire + 0.7 V AM RF signal 531 kHz...
  • Page 15 Adjustment Location: Antenna – TUNER BOARD – Terminal (Component Side) LW Tracking Adjustment L3-2 JW17 MW Tracking LW VCO Voltage Adjustment L3-1 Adjustment FM VCO Voltage FM Tracking Adjustment Adjustment AM IF Adjustment – 15 –...
  • Page 16: Cd Section

    CD SECTION CD section adjustments are done automatically in this set. In case of operation check, confirm that focus bias. Focus Bias Check 1. Connect the oscilloscope to TP (RF) and GND on the MAIN board. 2. Insert the disc (YEDS-18). (Part No. : 3-702-101-01) fl...
  • Page 17: Diagrams

    CFD-S28L SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – CD Section – MAIN BOARD (1/2) FILTER DIGITAL SIGNAL PROCESSOR, CLV SERVO, D/A CONVERTER IC703 ERROR CNP701 CORRECTOR PD1 I-V AMP PCMD PCMDI DETECTOR BCKI OVER ASYMMETRY SERIAL SUMMING DIGITAL PLL PD2 I-V AMP...
  • Page 18: Block Diagram - Tuner Section

    CFD-S28L 6-2. BLOCK DIAGRAM – TUNER Section – TUNER BOARD (1/2) 10.7MHz ANT1 FM TELESCOPIC ANTENNA FM/AM RF AMP, MIX, OSC, FM/AM IF AMP, DET, MPX CNP2 (1/2) CF1, 2 FM RF FM/AM LOUT L-CH 10.7MHz IF IN MIX OUT B.P.F.
  • Page 19: Block Diagram - Main Section

    CFD-S28L 6-3. BLOCK DIAGRAM – MAIN Section – MAIN BOARD (2/2) HEADPHONE • SIGNAL PATH BOARD : CD PLAY VREF L-CH (Page 18) REC/PB EQ AMP : TUNER (FM/MW/LW) IC301 MIC IN KH303 : TAPE PLAY MUTE (1/2) L.CD : TAPE RECORD...
  • Page 20 CFD-S28L • Circuit Boards Location PRIMARY board BATTERY board CD MOTOR board SECONDARY board BATTERY COMMON board HEADPHONE board CONTROL board TUNER board MAIN board – 25 –...
  • Page 22: Schematic Diagram - Tuner Section

    6-5. SCHEMATIC DIAGRAM – TUNER Section – • See page 45 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 24: Schematic Diagram - Main Section (1/3)

    CFD-S28L 6-7. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 45 for IC Block Diagrams. • Waveforms – MAIN Board (1/3) – 1 Q323 Collector (REC mode) 4 Q301 Base (REC mode) 20 V/DIV, 20 µs/DIV 500 mV/DIV, 10 µs/DIV 1 Vp-p 34.4 Vp-p...
  • Page 25: Schematic Diagram - Main Section (2/3)

    CFD-S28L 6-8. SCHEMATIC DIAGRAM – MAIN Section (2/3) – • See page 39 for Waveforms. • See page 46 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF • Voltages are taken with a VOM (Input impedance 10 MΩ).
  • Page 26: Schematic Diagram – Main Section (3/3)

    CFD-S28L 6-9. SCHEMATIC DIAGRAM – MAIN Section (3/3) – Note on Schematic Diagram: • 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 W or less unless otherwise specified.
  • Page 27 • Waveforms – MAIN Board (2/3) – – MAIN Board (3/3) – 1 IC701 $∞ TEO (CD PLAY mode) 6 IC703 $£ BCK (CD PLAY mode) 1 IC501 #¡ EXTAL 100 mV/DIV, 1 ms/DIV 2 V/DIV, 200 ns/DIV 2 V/DIV, 100 ns/DIV Approx.
  • Page 29: 6-11. Schematic Diagram - Power Supply Section

    CFD-S28L 6-11. SCHEMATIC DIAGRAM – POWER SUPPLY Section – (Page 34) Note on Schematic Diagram: • U : B+ Line. • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics •...
  • Page 30 • IC Block Diagrams – TUNER Board – IC1 TA2104AN IC2 LC72137-D IC701 CXA1992BR GND1 FM RF OUT FM RF 22 NC 33 32 31 30 VCC1 FM RF IN AM RF IN AM LOW OUT PD 2 PD 1 I-V AMP I-V AMP MIX OUT...
  • Page 31 IC702 BA6898FP REGULATOR LEVEL LEVEL SHIFT SHIFT – REGULATOR DRIVER BIAS, T.S.D. MUTE MONITOR BIAS LEVEL LEVEL SHIFT SHIFT 11 12 13 14 15 – 47 –...
  • Page 32 IC703 CXD2589Q 59 58 57 54 53 52 51 SYSM SERIAL-IN INTERFACE LRCKI LRCK AVSS OVER SAMPLING ASYO DIGITAL FILTER ASYI ASYMMETRY DEMODULATOR CORRECTOR AVDD BIAS 3rd-ORDER AVDD NOISE SHAPER AOUT1 AIN1 CLTV LOUT1 AVSS ERROR XVDD AVSS CORRECTOR XTAI SUB CODE PROCESSOR DIGITAL...
  • Page 33: 6-12. Ic Pin Function Description

    6-12. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC501 CXP83620-007Q (SYSTEM CONTROLLER) Pin No. Pin Name Description C-SCOR Subcode sync (S0+S1) detection signal input from the CXD2589Q (IC703) Sircs remote control signal input terminal Not used (open) 3, 4 Not used (open) C-SENS Internal status signal (sense signal) input from the CXD2589Q (IC703) C-SENS2...
  • Page 34 Pin No. Pin Name Description Tape function control signal output to the TA2068N (IC301) TAPE “L”: radio or CD on, “H”: tape on RADIO Power on/off control signal output for the radio +6V power supply “H”: radio power on Power on/off control signal output for the CD +5V power supply “L”: CD power on —...
  • Page 35: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark may have some difference from the original are seldom required for routine service.
  • Page 36 (2) CABINET (REAR) SECTION ANT1 T901 not supplied The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 51...
  • Page 37 (3) CABINET (UPPER) SECTION MF-V10-117 S501 S305 S304 supplied KSM-213CDM LCD501 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3320-814-A HOLDER ASSY, CASSETTE 3-910-095-21 RUBBER, VIBRATION PROOF (GREEN) 3-032-027-01 LID (CD) 3-910-095-31 RUBBER, VIBRATION PROOF (RED) 1-452-899-11 MAGNET 3-921-725-01 SCREW (2.6X10) 3-019-395-01 PLATE, CHUCKING...
  • Page 38 (4) TAPE MECHANISM SECTION-1 (MF-V10-117) HRP301 HE301 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-933-010-01 SPRING (S/P), TORSION * 162 3-008-587-01 SLIDER (STOP) 3-933-025-01 SPRING (P), TORSION * 163 3-008-591-01 SLIDER (PAUSE) 3-933-026-01 LEVER (P) 3-933-004-01 CLAW, REEL 3-933-024-01 ROLLER, PINCH * 165...
  • Page 39 (5) TAPE MECHANISM SECTION-2 (MF-V10-117) S303 M301 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-933-029-01 LEVER, ERASING PREVENTION 3-932-993-01 CHASSIS, OUTSERT 3-933-182-01 SPRING, CASSETTE 3-343-358-01 RING, RETAINING 3-932-995-01 GEAR (MID) 3-933-005-01 SPRING (CAM), COMPRESSION X-3371-667-1 CLUTCH ASSY 3-016-349-01 WASHER 3-932-997-01 GEAR (CAM) 3-937-760-01 SPRING (GROUND), COMPRESSION...
  • Page 40 (6) OPTICAL PICK-UP SECTION (KSM-213CDM) not supplied M701 M702 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ! 251...
  • Page 41: Electrical Parts List

    BATTERY SECTION 8 ELECTRICAL PARTS LIST BATTERY COMMON CD MOTOR NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they are seldom required for routine service. parts list may be different from the parts speci- CONTROL fied in the diagrams or the components used Some delay should be anticipated when order-...
  • Page 42 CONTROL HEADPHONE MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S624 1-762-798-11 SWITCH, KEYBOARD (FLASH) C192 1-162-303-11 CERAMIC 0.0033uF 20% C201 1-162-301-11 CERAMIC 0.0015uF 20% ************************************************************ C202 1-104-664-11 ELECT 47uF 1-673-211-11 HEADPHONE BOARD C203 1-127-883-21 CERAMIC 0.039uF ***************** C204...
  • Page 43 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C362 1-162-294-31 CERAMIC 0.001uF C716 1-136-165-00 FILM 0.1uF C381 1-126-937-11 ELECT 4700uF C717 1-137-370-11 FILM 0.01uF C502 1-162-306-11 CERAMIC 0.01uF C503 1-124-443-00 ELECT 100uF C718 1-131-377-00 TANTALUM 10uF C504 1-104-664-11 ELECT...
  • Page 44 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C952 1-162-306-11 CERAMIC 0.01uF C953 1-104-666-11 ELECT 220uF < TRANSISTOR > C957 1-162-306-11 CERAMIC 0.01uF C958 1-162-306-11 CERAMIC 0.01uF Q301 8-729-281-53 TRANSISTOR 2SC1815-GR C959 1-124-443-00 ELECT 100uF Q302 8-729-281-53 TRANSISTOR 2SC1815-GR Q303...
  • Page 45 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R242 1-249-426-11 CARBON 5.6K 1/4W R521 1-249-417-11 CARBON 1/4W R523 1-249-417-11 CARBON 1/4W R281 1-249-429-11 CARBON 1/4W R524 1-249-417-11 CARBON 1/4W R282 1-249-420-11 CARBON 1.8K 1/4W R525 1-249-417-11 CARBON 1/4W R283...
  • Page 46 MAIN PRIMARY SECONDARY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R591 1-247-878-00 CARBON 1/4W R772 1-247-887-00 CARBON 220K 1/4W R780 1-249-430-11 CARBON 1/4W R592 1-249-425-11 CARBON 4.7K 1/4W R781 1-249-430-11 CARBON 1/4W R593 1-249-431-11 CARBON 1/4W R782 1-249-430-11 CARBON...
  • Page 47 SECONDARY TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D405 8-719-991-33 DIODE 1SS133T-77 1-162-306-11 CERAMIC 0.01uF D406 8-719-991-33 DIODE 1SS133T-77 1-162-306-11 CERAMIC 0.01uF D407 8-719-991-33 DIODE 1SS133T-77 1-162-281-31 CERAMIC 91PF D408 8-719-991-33 DIODE 1SS133T-77 1-162-301-11 CERAMIC 0.0015uF 30% D901 8-719-046-07 DIODE 2A02M...
  • Page 48 TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-781-344-11 FILTER, CERAMIC 1-249-425-11 CARBON 4.7K 1/4W < CONNECTOR > 1-247-815-11 CARBON 1/4W 1-249-393-11 CARBON 1/4W CNP1 1-506-987-11 PIN, CONNECTOR (PC BOARD) 5P 1-249-431-11 CARBON 1/4W * CNP2 1-580-159-11 PIN, CONNECTOR (PC BOARD) 7P 1-247-843-11 CARBON 3.3K...
  • Page 49 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** 7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S 7-685-783-09 SCREW +PTT 2X6 (S) 7-685-533-19 SCREW +BTP 2.6X6 TYPE2 N-S 7-682-548-04 SCREW +B 3X8 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S 7-621-770-87 SCREW +B 2.6X5 7-685-648-79 SCREW +BVTP 3X12 TYPE2 N-S ************************************************************...
  • Page 50 CFD-S28L Sony Corporation 99D0556-1 Printed in Japan © 1999. 4 9-926-985-11 Personal A&V Products Company Published by Quality Engineering Dept. – 66 – (Shinagawa)