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Sony PVM-9L2 Service Manual Page 71

Trinitron color video monitor.
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Section 9
Diagrams
^ote:
Parts
marked
"
*
"
differ
according
to
the model/destination.
Refer
to
the
mount
table
for
each
function.
The
parts
marked
"
#
"
on
schematic diagrams
are not
mounted.
All
capacitors are
in
\iF
unless otherwise
noted. pF:
|i|j-F
50WV
or
less
are not
indicated
except
for electrolytics.
All
electrolytics
are
in
50
V
unless otherwise
specified.
:
fusible resistor
-^3
:
nonflammable
resistor
A
:
internal
component
I
1
:
panel designation
and
adjustment
for
repair
Caution
when
replacing chip parts
New
parts
must be
attached
after
removal
of
the
chip.
Be
careful
not
to
heat the
minus
side
of
a
tantalum
capacitor,
because
It
is
easily
damaged
by
the
heat.
Reference
information
RESISTOR
RN
:
METAL
FILM
RC
:
SOLID
FPRD
:
NONFLAMMABLE CARBON
FUSE
:
NONFLAMMABLE
FUSIBLE
RS
:
NONFLAMMABLE
METAL
OXIDE
RB
:
NONFLAMMABLE CEMENT
RW
:
NONFLAMMABLE WIREWOUND
^
:
ADJUSTMENT
RESISTOR
COIL
LF-8L
:
MICRO INDUCTOR
CAPACITOR
TA
:
TANTALUM
PS
:
STYROL
I
PP
:
POLYPROPYLENE
PT
:
MYLAR
MPS
:
METALIZED
POLYESTER
MPP
:
METALIZED
POLYPROPYLENE
ALB
:
BIPOLAR
ALT
:
HIGH
TEMPERATURE
ALR
:
HIGH RIPPLE
[Measuring
conditions, voltage
and
waveform]
A
voltage value
Is
the reference value
between
the
measurement
point
and
the
earth,
when
the
NTSC
color
bar
signal
is
received
from
the color
bar
generator,
(digital
multi-meter
used:
1
0
M
ohms/
VDC)
Unit of
voltage
Is
V
(volt).
(Voltage variations
may
occur
due
to
normal
production
tolerances.)
rrr^
:
B+line
:
B~
line
No
mark
:
NTSC
(3.58
MHz)
color
bar
signal.
lir
:
Measurement
disabled.
Circled
numbers
indicate
the reference
waveform.
I
:
Signal path.
The components
Identified
marked
A
are
critical
for safety.
Replace
only with the
part
number
specified.
Les composants
identifies
par
la
marque
A
sent
critiques
pour
la
security.
Ne
les
remplacer
que
par
une
piece
portant
le
numero
specifie.
The components marked
H
In
this
schematic diagram have
been
carefully
factory-selected
for
each
set
in
order
to satisfy
regulations
regarding X-ray
radiation.
>
When
replacing
components marked
B
,
make
the
necessary
ad-
'
justments
Indicated.
If
results
do
not
meet
the specified value,
change
the
component marked
H
and
repeat the adjustment
until
the specified value
Is
achieved.
When
replacing
a
part
shown
in
the
table
below,
be
sure
to
perform
the
related
adjustment.
PVM-9L2
9-1
9-1

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