Sony cfd v 37 service manual

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CFD-V37 5-5. SCHEMATIC DIAGRAM Ñ TUNER/SYSTEM SECTION Ñ 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 W 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 un- der no-signal (detuned) conditions. no mark : CD PLAY ( ) : FM []: AM ¥ Voltages are taken with a VOM (Input impedance 10 MW). 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 Ð 240V AC area EA : Saudi Arabia E92 : 120V AV area ¥ Waveform 1 IC501 #Á 2 IC501 &¢ 4.0Vp-p 4.5Vp-p 4.0MHz 500kHz1.0V/div 0.1µsec/div 1.0V/div 1.0µsec/div E92 MODEL L2, CT1(2/4) L1,CT1(1/4) FM FREQUENCY COVERAGEL4,CT1(4/4) E4,EA MODEL:4.7p E92 MODEL:3.3K FM FREQUENCY COVERAGE 27p FM TRACKING 220 C1 47p E92 MODEL E4,EA MODEL E92 MODEL 470 L3,CT1(3/4) AM TRACKING AM Mark: Ref.No. E4 MODELE92 MODEL EA MODEL C7 C8 C18,19 R55.6p 5.6p 6.8p 3.3p 1.5p 3.3p 0.01 0.015 0.01 330 470 330 SWITCH 28 28 32 Ñ 23 ÑÑ 24 ÑÑ 25 ÑÑ 26 Ñ ¥ Refer to page 34 for IC Block Diagrams.