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Sony A941 - SPP Cordless Phone Service Schematics

Cordless telephone with answering system.
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SPP-A941
SERVICE MANUAL
US Model
Canadian Model
Ver 1.1 1999. 11
SPECIFICATIONS
CORDLESS TELEPHONE
WITH ANSWERING SYSTEM
MICROFILM

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   Summary of Contents for Sony A941 - SPP Cordless Phone

  • Page 1

    SPP-A941 SERVICE MANUAL US Model Canadian Model Ver 1.1 1999. 11 SPECIFICATIONS CORDLESS TELEPHONE WITH ANSWERING SYSTEM MICROFILM...

  • Page 2

    SPP-A941 5-6. SCHEMATIC DIAGRAM – BASE RF Board – • See page 43 for IC Block Diagrams. (Page 30) – 25 – – 26 –...

  • Page 3

    SPP-A941 5-8. SCHEMATIC DIAGRAM – BASE MAIN Board – • See page 31 for Waveform. • See page 43 for IC Block Diagrams. (Page 26) (Page 33) (Page 33) (Page 36) – 29 – – 30 –...

  • Page 4

    SPP-A941 5-10. SCHEMATIC DIAGRAM – BASE I-TAD Board – • See page 31 for Waveform. (Page 30) (Page 30) – 33 – – 34 –...

  • Page 5

    SPP-A941 5-11. PRINTED WIRING BOARD – BASE KEY Board – 5-12. SCHEMATIC DIAGRAM – BASE KEY Board – BASE KEY BOARD REC/MEMO KP2, LD1 ANSWER ON/OFF (MESSAGE COUNTER) ERASE VOLUME – KP42 KP41 KP40 TIME/SET SELECT MENU KP31 KP30 KP12, LD4 KP12 KP22 KP20...

  • Page 6

    SPP-A941 5-14. SCHEMATIC DIAGRAM – HAND RF Board – • See page 43 for IC Block Diagrams. (Page 42) – 39 – – 40 –...

  • Page 7

    SPP-A941 5-15. SCHEMATIC DIAGRAM – HAND MAIN Board – • See page 31 for Waveform. • See page 44 for IC Block Diagrams. (Page 40) – 41 – – 42 –...

  • Page 8

    • IC Block Diagrams TA31103F (BASE MAIN Board) TA31103F (HAND MAIN Board) U2765B-AFSG3 (BASE RF Board) U2765B-AFSG3 (HAND RF Board) 15 14 13 27 26 25 24 23 21 20 19 18 17 16 – – – SWITCH LOCAL OSC MUTE CONTROL BUFFER...

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