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Sony WM-FX50 - User Manual

Sony WM-FX50
30 pages
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WM-EX90/FX90
SERVICE
MANUAL
WM-EX50
TABLE
OF
CONTENTS
GENERAL:
.
westecsstinpiessiniiocntetcncetasanueiaenenaarmnes
2-
6
Messages,
warnings
and
tipS.........ccsssccccessessseeeeeees
2
Test
equipment,
Jigs
and
material
.................006
3
PCAGURG:
Gls
si4
sup
cehnetabaaashovecaevuusenisasoucieen
erseemaacmorses
3
Location
and
function
of
controls
...................0ee
4
User’s
instruction
(WM-EX50
only)
..............
5-
6
DET
VICE
MOLES:
ivivavelpesgbadvortabecsieesstianvbocecoussJemeeveee
6
FRE
MOV
AT
ccsccrcvasticsrest
titers
cueviausdestandivscnutanne
nus
eews
ri
LCD
BLOCK
INFORMATION(WM-EX50
only)....
8
Data
code
chart
and
indication
mode
.................
8
BLOCK.
DIAGRAMS
xeiisssct
sasccnssmunsacchietearlinss
ees
9-10
SCHEMATICS
AND
BOARD
DIAGRAMS
.......
11-19
Semiconductor
layouts
...........cccccsssssssecceeeeeeeeeeenes
14
POC
Fey
GUE
Ses
haces
neve
veteh
cen
on
eshite
ce
baesios
cau
Qaeusecesncenrcnsawents
19
SPARE
PARTS
LIB
DE
ncdGuteecokecetitiaiacs
20-28
Exploded
views
and
mechanical
parts............
20-22
Electrical
parts
cctusctascnctiicenitiaciintivacewsn
23-28
ADUOSTIMERINGS:
sites.
dsSieoessaints
ceuurelstecbentetedecaines
29-32
Mechanical
measurements
...........ceeeeeseeeeeeeeeeneeees
29
Mechanical
adjustments
...............ceeeeeeeseseeneeeeeeeeee
29
Electrical
alignments
........cccesscceseeeeeeeeeeeetees
30-32
Adjustment
location
s...cicccccicccasscnvsessicnorersseness
29-30
SPECIE
IC
A
TIONS
s.fius
pe
coccedecteadeceeccinusavedsvsperasniohs
34
US
Model
AEP
Model
E
Model
WM-EX50/FX50
UK
Model
WM-EX50
Canadian
Model
WM-FX50
WWN-FX50
WM-EX50
:
MT-WMEX50-01
Tape
Transport
Mechanism
WM-FX50
:
MT-WMFX50-01
Dolby
noise
reduction
manufactured
under
license
from
Dolby
Laboratories
Licensing
Corporation.
*DOLBY”
and
the
double-D
symbol
OO
are
trade-
marks
of
Dolby
Laboratories
Licensing
Corporation.
CASSETTE
PLAYER
WM-EX50
RADIO
CASSETTE
PLAYER
WM-FX50
SONY.
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Sony WM-FX50 Specifications

General IconGeneral
TypeCassette Player
BrandSony
ModelWM-FX50
TunerFM/AM
Power Supply2 x AA Batteries
Headphone Jack3.5 mm
Mega BassYes
Water ResistanceNo
Wow and Flutter0.15% (WRMS)

Summary

GENERAL

Safety-Related Component Identification

Identifies critical components for safe operation and specifies replacement parts.

Service and Repair Notes

Key information for servicing, including flexible circuit board repair and chip component replacement.

REMOVAL

Tuner Unit Removal Procedure

Step-by-step instructions for safely removing the tuner unit from the cassette lid assembly.

SPARE PARTS LIST

Mechanical Parts and Exploded Views

Illustrated breakdown of mechanical components with part numbers and assembly references.

ADJUSTMENTS

Mechanical Measurement Procedures

Steps for measuring key mechanical parameters of the tape transport mechanism.

Tape Speed Adjustment

Procedure and specification for correctly adjusting the tape playback speed using RV601.

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