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PVM-1 440QM/1 442QM/1
444QM
P
5.
ANTI-PAL
Adjustment
(RV290)
(1)
Receive
the
special
PAL
color-bar.
(2)
Connect
an
oscilloscope
to
emitter
of
Q333
on
A
board,
and
adjust
RV290
(PHASE)
so
that
R-Y
anti-PAL
portion
becomes
flat
as following
figure.
(3)
Connect
an
oscilloscope
to
emitter
of
Q330
on
A
board,
and
adjust
RV2
inside
SEP270
so
that
B-Y anti-PAL
portion
becomes
flat
as
following
figure.
(4)
Adjust
L405
(B-Y)
so
that the
non-colored
portion
level
becomes
flat.
I
SECAIvTaDJUSTMENTS
(T401
,
L403, L405)~
1.
Receive
SECAM
color-bar.
2.
Bell
Filter
Adjustment (T401)
(1)
Connect
an oscilloscope
to emitter of
Q265.
(2)
Adjust
T401
(Bell
Filter)
so
that
the
chroma
waveform becomes smooth.
3.
Color
Balance
Adjustment (L403)
(1)
Connect
an oscilloscope
to pin
©
(R-Y)
of
BA-1
connector.
(2)
Adjust
L403
(R-Y)
so
that the non-colored portion
level
becomes
flat.
(3)
Connect
an oscilloscope
to pin
®
(B-Y)
of
BA-1
connector.
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