Sony MDR-IF230 Service Manual page 5

3-2. SCHEMATIC DIAGRAM
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 Ω and
1 / W or less unless otherwise
4
specified.
• : internal component.
¢
• U : B+ Line.
• Power voltage is dc 1.2V and fed with regulated dc power
supply from battery terminal.
Voltages are dc with respect to ground under no-signal
conditions.
• Signal path.
F : AUDIO
J : RF
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MDR-IF230/IF330R
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