Sony wm ex 5 service manual

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WM-EX5

SERVICE MANUAL Us Model

Canadian Model
AEP Model

UK Model

E Model

Tourist Model

Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type MT-WMEX5-125
SPECIFICATIONS
Tape section Supplied accessories Some features are:
Battery case (1) - You can enjoy high treble sounds
Eagle's; "gimme Stereo headphones with remote to tow bass sounds restored by the
o y o COMYOI (1) powerful headphone
omllayback: 3018000 Hz Battery charger (1) - You can choose from 3 different
P" A Rechargeable battery em hasizin tones: REVIVE
Headphones (REMOTEO jack) NC-6WM,1.2V, 600mm Ni-Cd MEIEA BASE; and GROOVE/m

Load impedance 8-300 ohms
Power 0 utput
5 mW + 5 mW (16 ohms)

General

Power requirements
1.5 V
Rechargeable battery
One R6 (size AA) battery
Dimensions (wln/d)
Approx. 79 x 111.7 x 22.8 mm
(3% x 4% x 29/31), inc]. projecting
parts and controls
Mass
Approx. 145 g (6 oz,)
Approx 245 g (3.7 oz) (incl.
rechargeable battery, headphones
with remote control and cassette)

" Dolby noise reduction manufactured
under license from Dolby
laboratories Licensing Corporation.
DOLEYand the double-D symbol
III are trademarks of Dolby
Laboratories Licensing Corporation.

Sgggfingzigsgflth and adjust to your favorite sound

. - AMS (Automatic Music Sensor)
Nfiafimgqg kzfidrzegogfilgg; function that lets you find the
countries {mime/1) beginning of the previous and

Rechargeable battery carrying case SuCceeding 9 tracks

(1) - Repeat Single Track function that
Carrying pouch (1) lets you listen to a single track
Cleaning cloth (1) repeatedly
AC plug adaptor (1) (Excluding - Music Scan function that lets you

UK, European continent, Korea, listen to the beginning of each

USA and Canada) track for 10 seconds

' Remote control equipped with the
Design and specifications subject to EL (electroluminescent)
change without 0 illumination LCD (liquid crystal

display) that lets you check

t' th at k
Battery life (APProxrhours) Operalonin a a1-

Rechargeable

battery Tape playback
NC-6WM 12
NH-9WM(N) 22

CASSETTE PLAYER

SONE

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TABLE OF CONTENTS

1. GENERAL ..................................................................... 3
2. SERVICING NOTE ..................................................... 4
3. DISASSEMBLY ..... . 6
4. MCHANICAL ADJUSTMENTS ............................ 8
5. ELECTRICAL ADJUSTMENT ............................... 8
6. DIAGRAMS

6-1. Printed Wiring Boads .. . 9
6-2. Schematic Diagram . 13
6-3. IC Pin Function Description . 19
7. EXPLODED VIEWS ................................................... 21
8. ELECTRICAL PARTS LIST .................................... 24

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARK A OR 0011 ED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRIHCAL T0 SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

FIexible Clrcufl Board Ropalrlng

- Keep the temperature of the soldering iron around 270 'C during
repairing.

0 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.

Notes on chlp component replacement

0 Never reuse a disconnected chip component.

- Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.

ATTENTION Au COMPOSANT AYANT RAPPORT
A LA SEcunITEI

LES COMPOSANTS IDENTIFIES PAR UNE MAROUE A
sun LES DIAGRAMMES SCHEMATIOUES ET LA LIS'rE
DES PIECES SONT CRITIQUES POUR LA SEcunrrE
DE FONCTIONNEMENT. NE REMPLAGER CES cou-
POSANTS QUE PAR DES PIECES SONY DON'I' LES
Nqunos sour DONNES DANS CE MANUEL ou
DANS LES SUPPLEMENTS PUBLIES PAR SONY.

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