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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 –...
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.
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.
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...
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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 ×...
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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 –...
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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 ×...
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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.
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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 –...
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.
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...
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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 –...
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...
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.
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).
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.
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 •...
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• 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...
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...
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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 —...
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.
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(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...
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(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...
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-...