TABLE
OF
CONTENTS
ection
Title
Page
SECTION
1.
GENERAL
Parts
[dentification
...........scsscsessessceceserecssccsssccssensssencecseessseseseeesserserssenereees
3
SECTION2.
DISASSEMBLY
2-1.
Removal
of
Cassette
Lid
Assembly
.........cesccesecesessseeeseseeeeesenenes
4
2-2.
Removal
of
Case
and
Ornament
(L)
Assemblies
.
.
4
2-3.
Removal
of
Main
Board
...............
trite
terse
as
ta05
2-4.
Removal
of
Reel
Motor......
oar
2-5.
Removal
Of
Drum
ASSEMDILy
..........
ee
ecssseeceseceetessearsreneeseeceeseees
6
SECTION3.
TEST
MODE
3-1.
Test
Mode
Types
oo...
cccssssssscsssescsesenssesssseresssnsesseenseseereneessneassees
7
3-2,
Setting
Test
Modes
........sssssssccsssrsecsssssscseseeeneestesserseneertenseseerenees
7
3-3.
Caution
Display
in
Test
MOde
..........ssssssscssscssesesesseseessneseneenenees
8
3-4.
Normal
Test
Mode
=0
oo...
eccssesscsssesscesessscserssenscsssseeeseseersesseee
8
3-5.
Error
Rate
Measurement
Mode
=
1
uu...
eeesessssseseeseseeseessseeeenes
9
3-6.
Mechanism
Individual
Operation
Mode
(No
Tape)
=
2
........se00
10
3-7.
End
Sensor
Check
Mode
=
5.0...
cssccccscesseernseecssnesessenssecsneesenes
11
SECTION
4.
MECHANICAL
ADJUSTMENTS
PreCAULIONS
......ccccsssrosscerssenengeresessesscosssssoceeressssesesonesveasenessceassoenscossncent
sees
12
Torque
Check
.......ssssvesscssessesessresscssseeseecsssoecsocansssssenenscncsnenssnssessoassenencenes
12
Tape
Path
Adjustment
.......sssccoescsssesssssssesssssseccsssssssneesssneenssnessennessnsesens
12
SECTION5.
IC
PINFUNCTIONS
1C401
Playback
Equalizer
Amplifier
(CXA1354Q)
....cssesecssecsentereseneens
14
1C501
Dat
Signal
Processing
for
Playback
Exclusively
(CXD2606R)
..
15
1C503
System
Control
(CXP80620-457R)
...ssssssessesrsesssersseestenneenseeneoreess
17
SECTION6.
DIAGRAMS
G1,
BlOcK
Diagram
os
ccssscscsscnsscsssscsssssessscssseeeseaeseeseeesenseeacersenseenes
20
6-2.
Semiconductor
Lead
Layouts
........cccscscssesseesesesssesteneserseeesense
23
6-3.
Printed
Wiring
Boards
0.0.0...
.csesssscsesssscseeseeseseenssssesseseneeeeeneseeees
24
6-4,
Schematic
Diagram
..........cscessesessssesseeeseesenerssesesesenessesersensenee
27
6-5.
IC
Block
Diagrams
oc
scsessssscsseersessenseseseesensssesenscenenseneene
31
SECTION
7.
EXPLODED
VIEWS
7-1.
Case
and
Front
Panel
Assemblies
..........cccsesssssseereeeeeseseeenenees
34
7-2.
Mechanism
Assembly
(1)
(MT-WMDDT1I-108)
......-...sssesssesseees
35
7-3.
Mechanism
Assembly
(2)
(MT-WMDDT1-108)
.........ecseeseeees
36
SECTION
8.
ELECTRICAL
PARTS
LIST...
ee
37
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
CRITICAL
TO
SAFE
OPERATION.
REPLACE
THESE
COMPONENTS
WITH
SONY
PARTS
WHOSE
PART
NUMBERS
APPEAR
AS
SHOWN
IN
THIS
MANUAL
OR
IN
SUPPLEMENTS
PUB-
LISHED
BY
SONY.
ATTENTION
AU
COMPOSANT
AYANT
RAPPORT
A
LA
SECURITE!
LES
COMPOSANTS
IDENTIFIES
PAR
UNE
MARQUE
/\
SUR
LES
DIAGRAMMES
SCHEMATIQUES
ET
LA
LISTE
DES
PIECES
SONT
CRITIQUES
POUR
LA
SECURITE
DE
FONCTIONNEMENT.
NE
REMPLACER
CES
COM-
POSANTS
QUE
PAR
DES
PIECES
SONY DONT
LES
NUMEROS
SONT
DONNES
DANS
CE
MANUEL
OU
DANS
LES
SUPPLEMENTS
PUBLIES
PAR
SONY.
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