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TC-K222ESG/K850ES
TABLE
OF CONTENTS
Section
Title
Page
SPECIFICATIONS + +ccccccccccccccescsssccceecvccesces
1
MODEL
IDENTIFICATION
«ccccccccccccecceccssevces
3
SAFETY
'CHECK =ODUT «sss s0se0vewavausey
ees coum eaes
3
1. GENERAL sitet corieetieuimivangs
fess ears vores
4
2. DISASSEMBLY ---- occ e cece cece ccc ereesssecccenes
5
3. ADJUSTMENTS
3-1.
Mechanical
Adjustments -++-+++ssrsreeeeeers
7
3-2.
Electrical
Adjustments --++s+ssssrseeeeeeees
10
4. DIAGRAMS
4-1.
Block
Diagram :++s+etreeee
cece ree ceeeecees
15
4-2.
Semiconductor Lead Layouts :+:-++++++++e+ 17
4-3.
Circuit Boards
Location --+++++++seseeeeeee
18
4-4,
IC Block Diagrams:++++++seseeseeseeeeeeees
18
4-5.
Printed
Wiring
Boards
— Main
Section — ccerecsceessccececvcccccee
20
4-6.
Schematic
Diagram
— Main
Section — ecrseceecreecccceeccevcees
25
4-7.
Schematic Diagram
— Panel
section — crrrrrcscecccseeteecreeece
30
4-8,
Printed
Wiring Boards
— Panel Section —errererecseccerscscecnvens
33
. EXPLODED
VIEWS
5-1.
Overall
Section-:sssccscrececscreeencvescvce
35
5-2.
Panel
Section
«eccsssccrccssccccccescevvvece
36
5-3.
Mechanism
Section (1) srrresreerereeseeeee 37
5-4, Mechanism Section (2) s++++rrrereereseeeee 38
.
ELECTRICAL
PARTS
Ry
So
22
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.
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 circuit board
(within
3 times).
¢ Be
careful
not
to apply
force
on
the
conductor
when
soldering
or unsoldering,
Notes
on
chip component
replacement
e Never
reuse
a disconnected
chip
component.
*« Notice
that
the minus
side of a tantalum
capacitor
may
be damaged
by heat,
Dolby noise reduction and HX Pro headroom extension
manufactured under license from Dolby Laboratories
Licensing Corporation. HX Pro originated by Bang &
Olufsen.
Oyel-Te-stlare melt ele (=
Before connecting the unit to the power source, check
that the operating voltage of your unit is the same as the
local power supply.
If your model has a voltage selector on the rear panel
and it must be reset, disconnect the AC power cord
and set the selector to the appropriate voltage.
VOLTAGE
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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