Vertical Deflection Part Adjustments; Horizontal Deflection Part Adjustments - Sony PVM-1444QM Service Manual

1
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maubitron
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PVM-1 440QM/1 442QM/1
444QM
7.
H.
BLK Adjustment
(RV513)
(1)
Adjust with
RV513
(H.
BLK) so that the vertical
line
of
the
white frame of
monoscope
signal
is
blanked as following figure.
Make
to
blank the
vertical line
of
the
white frame
of
monoscope
signal.
8.
Screen
Phase Adjustment
(RV512)
(1)
Adjust
RV512
(Video Phase)
so as to equalize
the
width
of the
white frame
of
monoscope
signal
on both
sides of
screen right
and
left.
A
B
A
=
B
VERTICAL DEFLECTION
PART
ADJUSTMENTS
(RV506, RV507,
RV508, RV511)
1.
Receive
a
monoscope
signal.
2.
•
CONTRAST
70%
•
BRIGHTNESS
50%
3.
Adjust
RV506
(V.
SIZE) so
that the vertical size
of
monoscope
signal
becomes
12 frames.
12 frames
4.
Adjust
RV508
(V.
LIN) the
vertical linearity.
5.
Adjust
RV507
(V.
CENT)
the
vertical position.
6.
Adjust
RV506
(V.
SIZE) so that the
vertical size
of
monoscope
signal
becomes
11.75
±0.2
frames.
7.
Set
U/S
(Under Scan) switch
to
Under mode.
8.
Adjust
with
RV511
(U.V.
SIZE) as follows.
Screen
is
not
wane
on the four corners.
HORIZONTAL DEFLECTION PART
ADJUSTMENTS
(RV502,
RV503, RV504, RV505, RV509, RV510,
RV550)
1
.
Receive
a
monoscope
signal.
2.
•
CONTRAST
70%
•
BRIGHTNESS
50%
3.
H.
CENT
Adjustment
(RV502)
(1)
Adjust
RV502
(H.
CENT)
the horizontal position.
4.
H.
SIZE
Adjustment (RV503)
(1)
Adjust
RV503
(H.
SIZE) the horizontal size.
5.
PIN
AMP,
PIN
PHASE,
V.
ANG,
BOW
Adjustments
(RV505, RV504, RV509, RV550)
• PIN
AMP
(RV505)
-
19
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