Sony SPP-98, Руководство по обслуживанию

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TABLE OF CONTENTS
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE
WITH MARK ! 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 PUBLISHED BY SONY.
1. GENERAL
Read this first ........................................................................... 3
Checking the package contents ............................................... 3
Setting up the base unit ........................................................... 3
Preparing the battery pack ....................................................... 4
Making calls ............................................................................ 5
Receiving calls ......................................................................... 5
Phone Directory ....................................................................... 6
Paging ...................................................................................... 7
Resetting the digital security code ........................................... 7
Mounting the base unit on a wall ............................................ 8
2. DISASSEMBLY
2-1. Cabinet (Lower) .................................................................. 9
2-2. Base Main board ............................................................... 10
2-3. Cabinet (Rear) ................................................................... 11
2-4. Hand Main Board .............................................................. 11
3. TEST MODE
Base Unit Section .................................................................. 12
Handset Section ..................................................................... 14
4. ELECTRICAL ADJUSTMENTS
Base Unit Section .................................................................. 17
Handset Section ..................................................................... 19
5. DIAGRAMS
5-1. Block Diagram –Base Section– ........................................ 21
5-2. Block Diagram –Handset Section– ................................... 23
5-3. Printed Wiring Board –Base Section– ............................... 25
5-4. Schematic Diagram –Base Section– ................................. 27
5-5. Printed Wiring Board –Hand Main Section– .................... 29
5-6. Schematic Diagram –Hand Main Section– ....................... 31
5-7. Printed Wiring Board –Hand Key Section– ...................... 33
5-8. Schematic Diagram –Hand Key Section– ......................... 35
5-9. IC Pin Descriptions ........................................................... 38
6. EXPLODED VIEWS
6-1. Base Unit Section .............................................................. 40
6-2. Handset Section ................................................................. 41
7. ELECTRICAL PARTS LIST
........................................ 42
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.