Sony CFD-V37 free download

File name CFD-V37.pdf

CFD-V37 SERVICE MANUAL Ver 1.0 1999 . 04 E Model Model Name Using Similar Mechanism Optical Pick-up Type CD Section Tape Section CFD-V34 KSM-213CDM MF-V10-117 Tape Transport Mechanism Type SPECIFICATIONS CD player section System Laser diode properties Cassette-corder section Recording system 4 -track 2 channel stereo Fast winding time Approx. 120 s (sec.) with Sony cassette C-60 Frequency response TYPE1 (normal) : 70 ­ 10,000 Hz General Speakers Outputs Power output Power requirements Full range : 10 cm dia., 3.2 , cone type (2) Headphones jack (stereo minijack) For 16 ­ 64 impedance headphones 2.5 W + 2.5 W (at 3.2 , 10 % harmonic distortion) For CD radio cassette-corder : 110 ­ 120 V, 220 ­ 240 V AC Selectable, 50/60 Hz(E4,EA) 120V 60 Hz(E92) 9V DC, 6 size D (R 20) batteries For memory controller : 3V DC, 2 size AA (R 6) batteries Spindle speed Number of channels Frequency response Wow and flutter Radio section Frequency range Compact disc digital audio system Material: GaAlAs Wavelength: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.) 200 r/min (rpm) to 500 r/min (rpm) (CLV) 2 20 ­ 20,000 Hz + 1/-2 dB Below measurable limit IF Aerials FM : 87.6 ­ 107 MHz(E4,EA) 87.6 ­ 108 MHz(E92) AM : 530 ­ 1,605 MHz(E4,EA) 530 ­ 1,710 MHz(E92) FM : 10.7MHz AM : 455kHz FM : Telescopic aerial AM : Built-in ferrite bar aerial -- Continued on next page -- CD RADIO CASSETTE-CORDER MICROFILM CFD-V37 5-5. SCHEMATIC DIAGRAM -- TUNER/SYSTEM SECTION -- · Refer to page 34 for IC Block Diagrams. E92 MODEL C1 47p L1,CT1(1/4) FM TRACKING L2, CT1(2/4) FM FREQUENCY COVERAGE E92 MODEL E4,EA MODEL:4.7p E92 MODEL:3.3K L4,CT1(4/4) FM FREQUENCY COVERAGE E4,EA MODEL E92 MODEL 220 L3,CT1(3/4) AM TRACKING AM 27p · Waveform SWITCH 1 IC501 #Ў 1.0V/div 0.1µsec/div Mark: Ref.No. C7 C8 C18,19 R5 E4 MODEL 5.6p 3.3p 0.01 330 E92 MODEL 5.6p 1.5p 0.015 470 EA MODEL 6.8p 3.3p 0.01 330 4.0MHz 4.0Vp-p 1.0V/div 1.0µsec/div 2 IC501 &ў 28 500kHz 4.5Vp-p 470 28 32 Note: · 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. · C : panel designation. · 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 (detuned) conditions. no mark : CD PLAY ( ) : FM [ ] : AM · 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. · Signal path. F : FM f : AM · Abbreviation E4 : 220V ­ 240V AC area EA : Saudi Arabia E92 : 120V AV area -- 23 -- -- 24 -- -- 25 -- -- 26 -- CFD-V37 5-6. SCHEMATIC DIAGRAM -- POWER SECTION -- 23 · Waveform