Schematic Diagram (2/2) - Sony WM-FX671 Service Manual

WM-FX671

6-4. SCHEMATIC DIAGRAM (2/2)

1 2 3 4
A
B
C
D
E
F
G
H
I
J
K
L
M
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5 6 7 8 9 10 11 12 13 14
• Waveform
2 3 4
IC3 &¢ XOUT 5µsec/div
IC2 !¶ VCO 5µsec/div IC801 5 PLAY 5µsec/div
0.5V/div
50mV/div 1V/div
75kHz
— 23 —
15 16 17 18 19
Note
• All capacitors are in µF unless otherwise noted. pF: µµF • Voltages are taken with a VOM (Input impedance 10 MΩ).
50 WV or less are not indicated except for electrolytics Voltage variations may be noted due to normal produc-
and tantalums. tion tolerances.
• All resistors are in Ω and
1 / W or less unless otherwise • Waveforms are taken with a oscilloscope.
4
specified. Voltage variations may be noted due to normal produc-
• % : indicates tolerance. tion tolerances.
• U : B+ Line. • Circled numbers refer to waveforms.
• C : panel designation. • Signal path.
• H : adjustment for repair. F : FM
• Power voltage is dc 1.5 V and fed with regulated dc power E : PLAY (TAPE)
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : PLAY
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