SONY DSJ01
Manual de Servicio

D-SJ01

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OPTICAL PICK-UP BLOCK (DAX-22EG)

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Note on Printed Wiring Boards: � Y : parts extracted from the conductor side. � a : Through hole. � b : Pattern from the side which enables seeing. Caution: Pattern face side: (Side B) Parts face side: (Side A) Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated.

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Common Note on Schematic Diagram: � 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 4.5 V and fed with regulated dc power supply from external power voltage jack. � Voltages and waveforms are dc with respect to ground in playback mode. no mark : CD PLAY � : Impossible to measure � 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. Voltage variations may be noted due to normal production tolerances. � Circled numbers refer to waveforms. � Signal path. J : CD

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� 22 �