Sony WM-EX50 Service Manual

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.

Sony WM-EX50 Specifications

General

Brand	Sony
Model	WM-EX50
Category	Cassette Player
Language	English