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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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