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Sony PVM-9L2 Service Manual Page 34

Trinitron color video monitor.
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4-2-2-2.
Composite
Input
4-2-3.
NTSC SETUP
7.5
Mode
Adjustment
I
1.
Input
the
NTSC SETUP
0 100
%
color bar signal
to
the
VIDEO
IN
connector
of
INPUT
A.
2.
Adjust
Y
LEVEL
(A2-23)
of
the
menu
until
the
waveform
at
TP
106 meets
the standard value.
3.
Adjust
C LEVEL
(A2-2E)
of
the
menu
xmtil
the
waveform
at
TP
107 meets
the
standard
value.
4-2-3-1.
Y/C
Input
1.
Input the
NTSC
SETUP
7.5
100
%
color bar
signal to
the
Y/C IN
connector of
INPUT
A.
2.
Adjust
Y
LEVEL
(A2-28)
of
the
menu
until
the
waveform
at
TP
106 meets
the
standard value.
Standard
value
:
A
= 310
±10
mV
B
Standard value
:
B
= 610
±10
mV
4.
Adjust
SUB
CHROMA
(AO-74)
of
the
menu
until
the
portions
A
and
D
of
the
waveform
at
TP350
(B
board)
become
flat.
4-2-3-2.
Composite
Input
1
.
Input the
NTSC
SETUP
7.5
100
%
color
bar
signal to
the
VIDEO
IN
connector of
INPUT
A.
2.
Adjust
Y
LEVEL
(A2-24)
of the
menu
until
the
waveform
at
TP106
meets
the standard value.
A
Standard
value
;
A
=
310
±10
mV
5.
Adjust
SUB
PHASE
(A0-8A)
of the
menu
until
the
portions
B
and
C
of
the
waveform
at
TP350 become
flat.
4-4
PVM-9U

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