Sony wm sx 77 service manual

Page 2

WM-SX77

TABLE OF CONTENTS

Section Title

I§

SERVICENOTE----------------
SECTION 1.
SECTION 2.
SECTION 3.
SECTION 4.
SECTION 5.
EH.
5*2.
5-3.
5-4.
55.
SECTION 6.
6-1.
6-2.
5-3.

SECTION 7. ELECTRICAL PARTS LIST

#0)

GENERAL'------------
DISASSEMBLY

«.71

MECHANICAL ADJUSTMENT - - ' - '
ELECTRICAL ADJUSTMENT - - - - -

DIAGRAMS
Block Diagram- - ~ - - . - . . .

mm

cow

IC Block Diagram - - - - - - - .
- IO
'10
'13

Semiconductor Lead Layouts - -
Schematic Diagram- - - r - - -
Printed Wiring Boards- ' - - '

EXPLODED VIEWS
Cabinet Section- - - - - - - - .17
' I8

'19

Main Board Section - - - - - -
MDSeCtion---......

'20

SAFETY-RELATED COMPONENT WARNINGI!

COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A 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 BV SONY.

About the headphones with remote controller

0 The supplied headphones with remote controller is to be used
only with this unit.

0 This unit cannot be operated with headphones supplied to
other models though they have the same plug as the
headphones supplied to this unit.

Also other models cannot be operated with the headphones
supplied to this unit. (But sound can be heard in either case.)

Notes on chip component replacement

0 Never reuse a disconnected chip component.

0 Notice that the minus side of a tantalum capacitor may be
damaged by heat.

Flexible Circuit Board Repairing

0 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).

0 Be careful not to apply force on the conductor when soldering
or unsoldering.

ATTENTION AUCOMPOSANT AYANT RAPPORT
A LA SECURITE!

LES COMPOSANTS IDENTIFIES PAR UNE MARQUE A
sun LES DIAGRAMMES scHéMATtoues ET LA LISTE
DES PIECES som- camouEs POUR LA sécuntré
DE FONCTIONNEMENT. NE REMPLACER ces com-
POSANTS QUE PAR DES Ptécss souv DONT LES
Numénos SONT DONNES DANS cs MANUEL ou
DANS LES SUPPLEMENTS PUBLIES PAR soNv.