Sony wm fx 50 service manual

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WM-EX50/FX50

SERVICE MANUAL

WM-EX50

U5 Model
AEP Model
E Model

WM-EX50/FX50

UK Model

WM-EX50

Canadian Model
WM-FX50

WM-FXSO

TABLE OF CONTENTS
GENERAL

Messages, warnings and tips..

Test equipment, Jigs and material

Feature ............................................

Location and function of controls
Users instruction (WM-EX50 only)
Service notes
REMOVAL ..........
LCD BLOCK INFORMATION(WM-EX50 only),i..
Data code chart and indication mode
BLOCK DIAGRAMS
SCHEMATICS AND BOARD DIAGRAMS ...... 11-19

Semiconductor layouts

IC layouts ........................
SPARE PARTS LIST

Exploded Views and mechanical parts

Electrical parts .................................. ..
ADJUSTMENTS ................................................

Mechanical measurements .

Mechanical adjustments.

Electrical alignments .
Adjustment location . . 29-30

SPECIFICATIONS

WM-2091

Model Name Usmg Similar Mechanism WM-F2095

WM-EX50 : MTvWMEXSO-Ol

Tape Transport
Mechanism

WM-FXST! : MT-WMFXSD-O]

Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
DOLBY and the double-D symbol DU are trade-

marks of Dolby Laboratories Licensing Corporation.

CASSETTE PLAYER

WM-EX50

~MRAD|0 CASSETTE PLAYER

WM-FX50

SONE

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GENERAL

Messages, warnings and tips

CAUTION

Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the equipment manufacturer.
Discard used batteries according to manufactures

instructions.

ADVARSEL!
Lithiumbatteri - Eksplosionsfare ved fejlagtig handtering.
Udskiftning ma kun ske med batteri

af samme fabrikat 0g type.

Lever det brugte batteri tilbage til leverandtren.

ADVARSEL
Lithiumbatteri - Eksplosjonsfare.
Ved utskifting benyttes kun batteri som
anbefalt av apparatfabrikanten.
Brukt batteri retuneres apparatleverandrtreni

VARNING
Explosionsfara vid felaktigt batteribyte.
Anvand samma batterityp eller en ekvivalent
typ som rekommenderas av apparattillverkaren.
Kassera anvant batteri enligt fabrikantens

instruktion.

VAROITUS
Paristo voi raja'htéa, jos se on virheellisesti asennettu.
Vaihda paristo ainoastaan laitevalmistajan suosittelernaan
tyyppiin. Havita kaytetty paristo valmistajan ohjeiden

mukaisesti.

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
PUBLISHED BY SONY.

ATTENTION AU COMPOSANT AYANT
RAPPORT A LA SECURITE!

LEs COMPOSANTS IDENTIFIEs PAR UNE
MARQUE A sun as DIAGRAMMES scné.
MATIQUES ET LA LISTE DES PIECEs SONT
CRITIQUES POUR LA sEcumrE DE FONCTION-
NEMENT. NE REMPLACER CES COMPOSANTS
QUE PAR DES PIECES SONY DONT LEs
NUMERos SONT DONNEs DANS CE MANUEL ou
DANS LEs SUPPLEMENTS PUBLIEs PAR SONY.

Precautions

Notes on battery

° Remove the battrey when you will not use the unit
for a long time to prevent damage from battery
leakage and corrosion.

- When the sound becomes unstable, try a new

battery.

External power sources

The following external power sources can be con-

nected through the DO IN 1.5V jack.

-House current using an AC-E15L AC power
adaptor.

The illustration shows the polarity of DC IN 1.5V

jack. Use only a power cord having the same polarity.

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