Sony Trinitron Multiscan CPD-1302 Service Manual page 57
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2-2.
CIRCUIT BOARDS LOCATION
Note: The components identified by shading and mark
til
are critical for safety. Replace only with
part number specified.
f«~rn.;;;-x~r :~:~;-:·:~~\;::~:~~~~t.:i:;~mm:U~;~~~~J.L~;
' : ' ... _
.:,~
. . .
;~;~~-:;~J.:;:;;~~~
tt
Nota: Las compossnts idantifi6s par una trame at
~
0!
Plr une marque
til
sont d'una importance
~
~~
.
critique pour II. s6curit6. Ne les
ramp.l~cer
m
#'
aue par des pulces de num6ro sp6clfl6.
~
~k~~t!~::~J~:~~J~~~i~ti;~?k~U~t.W.;~:;: -~::)'-~;
.)){rr~0.~~~~
Not.:
•
All capacitors are in /IF unless otherwise noted. p
:
/l/lF 50WV
or
less
are not
indicated
except for electrolytics.
•
All resistors are in ohms, I/SW unless otherwise
noted.
k :
1000n, M
:
1000kn.
• -e-
:
nonflammable
resitor.
•
All variable and adjustable resistors have characteristic
curve
B,
unless otherwise noted.
•
~
:
fusible resitor.
•
a
:
internal
component.
•
c=J:
panel designation.
•
if
:
selected to yield optimum performance
.
•
The
components indentifled
by
B
in
this
manual have been
carefully factory·selacted for each sat
in
order to satisfy reo
gulations regarding X·ray radiation. Should replacement be
required, replace only with the value originally used.
•
When replacing components identified by (;iii mark the neces·
sary adjustments
indicated.
If
results do not meet the specified
value, change the component identified by
B
and
repeat the
adjustment until the specified value IS achieved.
(Refer to R339, R41S, R489 adjUStment on page II, 12.1
When replacing the part
in
below table, be usre to perform
the
related adjustment
.
Pan ,.pl.eld
I
tii )
Ad,uumlnl
I Y}
IG Baardl
D6SJ,
R65B. R659. T65J
tSA BOlrdl
IC401,
IC404
,
IC405,
Q409, R409. R410. R4",
R416, R4B9
R412, R41J, R414, R415, A416, A417. A41B"
I.B MAXI
A419, A424. R425, R448, A479, A4BO, A4BB,
A4B9,
IBA Balrdl
1C301, ICJ02, AlOl, Rl02, AJJ5, RJJ6, RJJ7,
AJl9
AllB. AlJ9, AJ40. AJ41. AJ42, OJ04
IHV HOLD OOWNI
10 Baardl A565, A568
•
Voltages are de with respect to ground unless otherwise noted.
•
Readings are taken with a 10 Mn digital multlmeter
.
•
Voltage variations my
be
noted due to normal production
tolerances
.
•
Readings are taken with a color-bar signal Input
.
(MU L TI
SCAN GENERATOR JIGI
•
c=J:
adjustment to repair.
•
no mark
:
with 15.7SkHz (SOHz VI color-bar signal received.
(
I:
w ith 31 .52kHz (70Hz VI color-bar signal received.
MULTI SCAN GENERATOR JIG VR POSITION
FREO
I
POSITION
Al-I
(V 1
-::-
NORMAL MODE
1576kHz
A
B
160HzI
A
B
2
1
3
7
F
2H
MODE
3152kHz
9
1
2
2
5
170Hzl
I
A
B
c
o
E
F
G
H
J
n
CPD-1302
CPD-1302
2-3. SCHEMATIC DIAGRAMS
1
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