Sony A941 Service Manual
Sony A941 - SPP Cordless Phone Manual
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Sony A941 manual content summary:
- Sony A941 | Service Manual - Page 1
SERVICE MANUAL Ver 1.1 1999. 11 SPP-A941 US Model Canadian Model SPECIFICATIONS CORDLESS TELEPHONE WITH ANSWERING SYSTEM MICROFILM - Sony A941 | Service Manual - Page 2
5-6. SCHEMATIC DIAGRAM - BASE RF Board - • See page 43 for IC Block Diagrams. SPP-A941 - 25 - - 26 - (Page 30) - Sony A941 | Service Manual - Page 3
5-8. SCHEMATIC DIAGRAM - BASE MAIN Board - • See page 31 for Waveform. • See page 43 for IC Block Diagrams. - 29 - SPP-A941 (Page 26) (Page 33) (Page 33) - 30 - (Page 36) - Sony A941 | Service Manual - Page 4
5-10. SCHEMATIC DIAGRAM - BASE I-TAD Board - • See page 31 for Waveform. (Page 30) (Page 30) - 33 - SPP-A941 - 34 - - Sony A941 | Service Manual - Page 5
SPP-A941 5-11. PRINTED WIRING BOARD - BASE KEY Board - 1 2 BASE KEY BOARD A 3 4 5 BLK RED SP1 KP0 REC/MEMO B 16 9 U1 (MESSAGE COUNTER) KP1 C ERASE 1 8 6 KP2, LD1 ANSWER - Sony A941 | Service Manual - Page 6
SPP-A941 5-14. SCHEMATIC DIAGRAM - HAND RF Board - • See page 43 for IC Block Diagrams. - 39 - - 40 - (Page 42) - Sony A941 | Service Manual - Page 7
5-15. SCHEMATIC DIAGRAM - HAND MAIN Board - • See page 31 for Waveform. • See page 44 for IC Block Diagrams. SPP-A941 - 41 - (Page 40) - 42 - - Sony A941 | Service Manual - Page 8
• IC Block Diagrams U1 U2765B-AFSG3 (BASE RF Board) U1 U2765B-AFSG3 (HAND RF Board) VCC2 LO REF LO IN GND2 NC VCC3 LIM1 OUT GND3 LIM2 IN LIM2 REF GND4 DEM NTANK DEM TANK DEM OUT 28 27 26 25 24 23 22 21 20 19 18 17 16 15 LOCAL OSC BUFFER MIX LIMITER AMP LIMITER AMP DEMODULATOR VCC/2 RSSI
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MICROFILM
SERVICE MANUAL
CORDLESS TELEPHONE
WITH ANSWERING SYSTEM
US Model
Canadian Model
SPECIFICATIONS
SPP-A941
Ver 1.1
1999. 11