Сервисный мануал источника звука Sony ECM-TS125

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2-1. SCHEMATIC DIAGRAM
TOTAL CURRENT MIC UNIT CONNECT : 700uA DISCONNECT : 460uA
LITHIUM BATTERY
2-2. PRINTED WIRING BOARD
AMP BOARD
UNIT BOARD
UNIT BOARD
AMP BOARD
Note on Schematic Diagram:· All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolyticsand tantalums.
· All resistors are in
W or less unless otherwise
: indicates tolerance.
: panel designation.
· Power voltage is dc 3 V and fed with regulated dc power
supply from battery terminal.
Note on Printed Wiring Board:
: parts extracted from the component side.
: Through hole.
: Pattern of the rear side.
Caution:Pattern face side:
Parts on the pattern face side seen from
(Conductor B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component A)
the parts face are indicated.
· Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
· Voltages are taken with a VOM (Input impedance 10 M
Voltage variations may be noted due to normal produc-tion tolerances.
· Signal path.
· Semiconductor