Table of Contents
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SPP-N1025/N1026
TABLE OF CONTENTS
1.
2.
................................................................... 5
3.
3-1. Disassembly Flow ........................................................... 6
3-2. H/S Rear Assy ................................................................. 6
3-3. H/S FRT Assy .................................................................. 7
3-4. HAND MAIN Board ....................................................... 7
3-5. Base Bottom .................................................................... 8
3-6. BASE MAIN Board ........................................................ 8
4.
.............................................................. 9
5.
5-1. Block Diagram - BASE UNIT Section - ...................... 13
5-2. Block Diagram - HANDSET Section - ........................ 14
Schematic Diagrams ....................................................... 15
5-4. Schematic Diagram - BASE MAIN Board (1/2) - ....... 16
5-5. Schematic Diagram - BASE MAIN Board (2/2) - ....... 17
5-6. Printed Wiring Board - BASE MAIN Board - ............. 18
5-7. Printed Wiring Board - BASE KEY Board - ............... 19
5-8. Schematic Diagram - BASE KEY Board - .................. 19
5-9. Printed Wiring Board - HAND MAIN Board - ............ 20
5-10. Schematic Diagram - HAND MAIN Board - .............. 21
5-11. IC Pin Function Description ........................................... 22
6.
6-1. Hand Set Section ............................................................. 24
6-2. Base Set Section .............................................................. 25
7.
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.
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.
2
............................................... 3
............................... 26
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
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