Table Of Contents - Sony SPP-A2480 Service Manual

TABLE OF CONTENTS

1. GENERAL
Identifying the Parts (A2480) ......................................... 3
Identifying the Parts (S2430) .......................................... 4
Setting Up the Base Phone ............................................. 5
Preparing the Battery Pack ............................................. 5
Entering the Area Code ................................................... 6
Setting Up the Phone Services ........................................ 7
Setting the Day and Time ............................................... 8
Making Calls ................................................................... 8
Receiving Calls ............................................................... 10
Telephone Features ......................................................... 11
Answering Machine Features (A2480) .......................... 15
Caller ID Features ........................................................... 19
2. DISASSEMBLY
......................................................... 23
3. TEST MODE
Base Unit ......................................................................... 26
Handset ............................................................................ 29
4. DIAGRAMS
4-1. Block Diagram - BASE UNIT Section - ...................... 33
4-2. Block Diagram - HANDSET Section - ........................ 35
4-3. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 37
4-4. Printed Wiring Board
- BASE MAIN Board (Component Side)- .................... 39
4-5. Printed Wiring Boards - BASE MAIN
(Conductor Side)/BASE MIC Boards - ......................... 41
4-6. Schematic Diagram
- BASE MAIN (1/2)/BASE MIC Boards - ................... 43
4-7. Schematic Diagram - BASE MAIN Board (2/2) - ........ 45
4-8. Printed Wiring Boards
- BASE KEY/KEY LED Boards - ................................. 47
4-9. Schematic Diagram
- BASE KEY/KEY LED Boards - ................................. 49
4-10. Printed Wiring Board - HAND MAIN Board - .......... 51
4-11. Schematic Diagram - HAND MAIN Board - .............. 53
4-12. IC Pin Function Description ........................................... 56
5. EXPLODED VIEWS
6. ELECTRICAL PARTS LIST
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED
LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
................................................ 62
............................... 65
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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