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Set-up Adjustment; Preparations - Sony PVM-9L2 Service Manual

Trinitron color video monitor.
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Section 2
Set-up
Adjustment
2-1.
Equipment
Required
2-2.
Preparations
(1
)
Oscilloscope
Tektronix
2465
or equivalent (with
bandwidth of 350
MHz)
NTSC/PAL
component
signal
generator
Tektronix
TG2000
+AVG1
(option
module)
+AWVG1
(option
module)
or equivalent
SDI
signal
generator
Tektronix
TSG-422
Monoscope
signal
generator
ShibaSoku
TP22AX
or equivalent
VG
(programmable
video
signal
generator)
VG854
or equivalent
Frequency
counter
Advantest
TR5821AK
or
equivalent
Digital
VOM
Advantest
TR6845
or equivalent
Slide induction
transformer
High
tension voltmeter
DC
power
supply
Ammeter
Luminance
meter
Minolta
CA-100
or
equivalent.
If
the
Minolta
CA-100
is
not
available,
perform
the
measurement by
visual inspection
by comparing
the
monitor
that
has
already
been
adjusted
earlier
with
the
monitor
that
you
want
to adjust.
I
Note
I
Start
the
following adjustments 5 minutes
after
the
main
power
is
turned
on.
* In
this
chapter,
service
mode.
indicates
the control
items
in
the
Example
;
|60
H-FREQ
Service
Mode
This
set
is
provided with
a
switch
for service
on
the front
panel
that
can be used
to
make
various adjustments.
The
operation
method
of
this
switch
is
explained
in detail
below.
1
.
Entering
the service
mode
Simultaneously
press the
[ENTER]
key
and
the
[DEGAUSS]
key
shown
on
the display of the
menu.
2.
Operating
the
Service
Mode
Select the desired service
item with
the
[{^],
[^]
key
and
press the
[ENTER]
key
to
enter the
adjustment
mode.
Press the [^]
key
to
increase the
adjustment
value.
Press the
[{^]
key
to
decrease
the
adjustment
value.
Press the
[ENTER]
key
to
save
the
adjustment
value.
Press the
[MENU]
key
to
cancel the
entry.
3.
Finishing
the service
mode
Simultaneously
press the
[ENTER]
key
and
the
[DEGAUSS]
key
shown
on
the display of the
menu.
4.
Easy
ON/OFF
of
the service
mode
If
once
entering the service
mode
after
having
turned
on
the
power, easy
ON/OFF
is
possible
by once
more
pressing the
LINE
A,
LINE
B,
OPTION
A
or
OP-
TION B
switch
on
the front
panel
(the
LED
lights)
as
long
as the
power
is
not turned
off
or
as
long
as
the
service
mode
is
not
finished.
PVM-9L2
2-1

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