Sony mz f 40 service manual

Page 1

MZ

-F40

SERVICE MANUAL

US Model

Canadian Model

Photo : US model

AEP Model
E Model
Tourist Model

MICBQEILM

US and foreign patents licensed from Dolby
Laboratories Licensing Corporation

MD Section

Audio playing system

MiniDIscdlgital audio system

Laser diode properties

Material; GaAIAs

Wavelength, t = 780 nm

Emission duration: continuous

Laser output: less than «(46 uW'

'This output is the value measured at a distance
of 200 mm from the obiective lens surface on the
optical pick-up block with 7mm aperture

Revolutions

400 rpm to 900 rpm (CLV)

Error correction

Advanced Cross lnterleave Reed Solomon Code

(ACIRC)

Sampling frequency

4 kHz

Coding

Adaptive TRansiorm Acoustic Coding (ATRAC)

Modulation system

EFM (Eight to Fourteen Modulanon)

Number of channels

2 stereo channel:

1 monaurnl channel

Frequency response

20 to 20,000 Hz x 3 dB

Wow and Flutter

Below measurable limit

Outputs

Headphones: stereo mini-lack, maximum output

level IS nlW +15 mW, load impedance 16 ohm

Radio sectiod
Frequency range
US. Canadian Model »
FM'87 5 >108MHZ
AM:. 0 l710kHz
AER E Modcl
FM:87.5 A 108MHz
AM2531 71602LHZ
Tourist Model ,
TV: I , lZCH
FM 76 0 , 90 MHz
AM 53l , 1710kHz

Model Name Using Similar Mechanism NEW
MD Mechanism Type MT-MZF40~109
Optical Pick-up Mechanism Type KMS-240A/J2N
SPECIFICATIONS

General

Power requirements

Sony AC Power Adaptor Ac-E45HGlEXCEFr

Tounsl Model : not Supplied), ACMSSA (Tounsl

Model ; supplied} connected to the DC IN 4.5V jack >

220230V AC. 50/60 Hz (AEP MODEL),

120V AC. 60HZ tUS, Canadian mod

cl).

100240V AC. 50/60Hz (ETounst modei)
Two LR6 (size AA) batteries (not supplied)

Nickel metal hydrlde recharge
BP-DMZO (not supplied)
Dimensions

tale battery

Approx 123 x 275 x796 mm (w/h/d) is x

1'/sx3/lln,)
Mass

Approx 200 g (7.0 02) the player only
Approx 293 g (103 oz) incl 3 premnstered MD,
headphones, and two Sony alkaline LRfi (SC)

batteries
Supplied accessories

Headphones with .1 remote control (I)

Carrying case (1)
Ear pads (2)

Design and specifitations are subject to change

W i thout notice.

RADIO MINIDISC PLAYER

SO

NY;

Page 2

TABLE OF CONTENTS

Specifications

1. SERVICING NOTE ........................................................ 3
2. GENERAL ........................................................................ 4

3. DISASSEMBLY
3-1. Panel Assy, Bottom Removal . 12
3-2. Lid Assy, Upper Removal ..... . 12
3-3. Main Board Removal ................... . 13
3-4. MD Mechanism Section Removal . 13
3-5. Optical Pick-up Block Assy, CLV Board Removal .. l4

3-6. MD Control Board Removal . 14
3-7. TU Board Removal ............... . IS
4. TEST MODE .................................................................. 16
5. ELECTRICAL ADJUSTMENTS ................................. 2]

For customers in Europe

CLASS 1 LASER PRODUCT

a CLASS I LASER product.
LUOKAN 1 LASERLAITE

KLASS I LASERAPPARAT

IN NO EVENT SHALL SELLER BE
LIABLE FOR ANY DIRECT.
INCIDENTAL OR CONSEQUENTIAL
DAMAGES OF ANY NATURE. OR
LOSSES OR EXPENSES RESULTING
FROM ANY DEFECTIVE PRODUCT
OR THE USE OF ANY PRODUCT.

MD WALKMAN" is a trademark of Sony
Corporation.

This Mini Disc Player is classified as

The CLASS I LASER PRODUCT
label is located on the bottom exterior.

CAUTION

Use of controls or adjustments or performance of procedures other
than those specified herein may result in hazardous radiation expo-
sure,

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 cir-
cuit board (within 3 times),

0 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.

6. EXPLANATION OF ICTERMINALS

7. DIAGRAMS
7-], Block Diagram - Tuner Section -
7-2, Block Diagram - Main Section -
73. Printed Wiring Boards - Tuner Section -
7v4. Schematic Diagram - Tuner Section - ..
7-5. Printed Wiring Boards - Main Section -
7-6. Schematic Diagram - Main Section (1/3)
7-7. Schematic Diagram - Main Section (2/3) -
7-8, Schematic Diagram - Main Section (3/3) - .

8. EXPLODED VIEWS
8-], Upper Panel. Bottom Panel Section
8-2, Chassis Section
8-3. Mechanism Deck Section .

9. ELECTRICAL PARTS LIST

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE
WITH MARK A. ON THE SCHEMATIC DIAGRAMS AND IN THE
PARTS LIST ARE CRITICALTO SAFE OPERATION.

REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONV.

ATTENTION AU COMPOSANT AVANT RAPPORT
A LA SEOURITEI

LES COMPOSANTS IDENTIFIES PAR UNE MARouE A suR LES
DIAGRAMMES SCHEMATIOUES ET LA LISTE DEs PIECES SONT
CRITIQUES POUR LA SECURITE DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS OUE PAR DES PIECES SONY
DONT LES NUMEROS SONT DONNES DANS CE MANUEL OU
DANS LES SUPPLEMENTS PUELIEs PAR SONV.