Sony CFD-S28 free download

File name CFD-S28.pdf

CFD-S28 SERVICE MANUAL Ver 1.0 1999. 03 US Model E Model Model Name Using Similar Mechanism CD Section CD Mechanism Type Optical Pick-up Name TAPE Section Model Name Using Similar Mechanism Tape Transport Mechanism Type NEW KSM-213CDM KSS-213C CFD-V10 MF-V10-117 SPECIFICATIONS ­ Continued on next page ­ CD RADIO CASSETTE-CORDER MICROFILM 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. · All resistors are in and 1/4 W or less unless otherwise specified. ў · : 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. · Voltages and waveform are dc with respect to ground under no-signal (detuned) conditions. no mark : FM ( ) : AM · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveform is taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveform. · Signal path. F : FM f : AM (Page 37) (Page 33 ) · Waveform 1 IC2 @є XIN (FM mode) 500 mV/DIV, 5 µs/DIV 1.8 Vp-p 13.3 µs ­ 27 ­ ­ 28 ­ CFD-S28 · Waveforms ­ MAIN Board (1/3) ­ 1 Q323 Collector (REC mode) 20 V/DIV, 20 µs/DIV 4 Q301 Base (REC mode) 500 mV/DIV, 10 µs/DIV 6-7. SCHEMATIC DIAGRAM ­ MAIN Section (1/3) ­ · See page 45 for IC Block Diagrams. 34.4 Vp-p 1 Vp-p 20.8 µs 2 Q322 Emitter, Base Q323 Emitter, Base Q324 Collector (REC mode) 5 V/DIV, 20 µs/DIV 20.8 µs 5 Q301 Collector (REC mode) 1 V/DIV, 10 µs/DIV 3.6 Vp-p 9.8 Vp-p 20.8 µs 20.8 µs 3 Q324 Base, Q325 Collector (REC mode) 50 mV/DIV, 10 µs/DIV 128 mVp-p 20.8 µs 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 and 1/4 W or less unless otherwise specified. · 2 : nonflammable resistor. · C : panel designation. Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. · U : B+ Line. · Power voltage is dc 9 V and fed with regulated dc power supply from battery terminal. · Voltages and waveforms are dc with respect to ground under no-signal conditions. no mark : TAPE PLAY ( ) : TAPE REC · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms. · Signal path. F : TUNER (FM/AM) E : TAPE PLAY a : TAPE REC J : CD PLAY (Page 36) (Page 28) (Page 44) (Page 37) ­ 32 ­ ­ 33 ­ ­ 34 ­ CFD-S28 6-8. SCHEMATIC DIAGRAM ­ MAIN Section (2/3) ­ · See page 39 for Waveforms. · See page 46