Sony SPP-A700 Service manual

SPP-A700

SERVICE MANUAL

For RM-X2S (Remote Commander), please refer to RM-X2S/X3S Service Manual (9-960-039-∏) previously issued.

Photo: HCD-D270

SPECIFICATIONS

US Model

Canadian Model

MICROFILM

CORDLESS TELEPHONE

TABLE OF CONTENTS

SERVICING NOTES

1. GENERAL.................................................................... 3

2. DISASSEMBLY..........................................................21

3. TEST MODE

3-1. Base Unit ......................................................................... 23

3-2. Handset ............................................................................25

4. ELECTRICAL ADJUSTMENTS

4-1. Base Unit Section ............................................................ 27

4-2. Handset Section ...............................................................29

5. DIAGRAMS

5-1. Schematic Diagram – DSP Section – .............................. 35

5-2. Printes Wiring boar d – Base Unit/DSP Section –............ 37

5-3. Schematic Diagram – Base Unit Section –...................... 39

5-4. Schematic Diagram – Handset Section – ........................ 42

5-5. Printed Wiring board – Handset Section – ...................... 45

5-6. IC Pin Function Description ............................................ 48

6. EXPLODED VIEWS ................................................. 52

7. ELECTRICAL PARTS LIST .................................. 54

Flexible Circuit Board Repairing

• Keep the temperature of the soldering iron around 270 ˚C during

repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering or

unsoldering

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 ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY P AR TS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!

LES COMPOSANTS IDENTIFIÉS P AR UNE MARQ UE ! SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT . NE REMPLACER CES COM- POSANTS QUE P AR DES PIÈCES SONY DONT LES NUMÉR OS SONT DONNÉS DANS CE MANUEL OU D ANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

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