Sony SPP-A940 - 900 Mhz Cordless Telephone, Service Manual

The Sony SPP-A940 - 900 Mhz Cordless Telephone features crystal clear communication and enhanced convenience. Stay connected with ease using this reliable cordless telephone. To get the most out of this product, simply visit our website to download the Operating Instructions Manual for free.

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SERVICE MANUAL

SUPPLEMENT - 1

File this Supplement with the Service Manual.

Subject : Change of DSP Board

(ECN-CP800943)

Canadian Model

Serial No. 0,101,999 and later

SPP-A940

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Summary of Contents for SPP-A940 - 900 Mhz Cordless Telephone

Page 1: ...SERVICE MANUAL SUPPLEMENT 1 File this Supplement with the Service Manual Subject Change of DSP Board ECN CP800943 Canadian Model Serial No 0 101 999 and later SPP A940 ...

Page 2: ...4 Q14 C 1 ZD1 H 4 ZD2 C 3 Ref No Location r Semiconductor Location Note X parts extracted from the component side r Through hole b Pattern from the side which enables seeing The other layers patterns are not indicated Caution Pattern face side Parts on the pattern face side seen from Conductor Side the pattern face are indicated Parts face side Parts on the parts face side seen from Component Side...

Page 3: ...e is dc10V and fed with regulated dc power supply from external power voltage jack J8 Voltages and waveforms are dc with respect to ground under no signal conditions Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circ...

Page 4: ...A22130 DSP 9 923 737 86 Sony Corporation Personal Mobile Communication Company Ref No Part No Description Remark Ref No Part No Description Remark DSP 98L02042 1 Printed in Japan 1998 12 Published by Quality Assurance Dept SPP A940 8 IC2 8 719 018 89 PHOTO COUPLER LTV817 C IC3 8 759 579 40 IC LM340MPX 5 0 IC4 8 759 441 31 IC MC14053BDTR2 IC6 8 759 489 41 IC TC88411BF 121 IC7 8 759 579 39 IC LH531V...

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