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Panasonic DT-M3050W Service Manual page 34

Color video/data monitor, h05f-2 chassis
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DT-M3050W
(3) Adjust the
TINT
control of the remote
control unit to
equalize
amplitude
•s•
of
the TPKB waveform
and
amplitude
"C" of
it.
(4) Check
amplitude "A"
and
"D"
and
amplitude "B"
and
•c•.
If
necessary, repeat
step (2) and (3).
A
B
C
TPKB
Waveform
DAF Adjustment
G-P.C. Board
1. Equipment to
be
used
RGB
Signal
Generator:
Cross
Hatch Pattern
RGB input
Oscilloscope:
TPG1
-
An.ode of 01520
(GND)
2. Initial
conditiQns
ASPECT:
FULL
SCAN:
OVER
Adjustment Mode:
Adjustment Mode 1
3. Adjustment
Procedures
(1) Receive a
33.750kHZ Cross
Hatch
Pattern
signal.
(2)
Adjust
OAF
ADJ
VR
(R1519) to set
"B" of the TPG1
waveform to 100±25V.
(3)
Check that
"A"
of
the
TPG1
waveform is
1000±200V.
(4)
Check
that
"C"
of the
TPG1
waveform is 200:tSOV.
r----......,~--:
-~
-
-
-
-
-
-
A
V"-
-
-
-
-
-
-
-
-
-
L..--'
-
C
B
TPG1
Waveform
PAL Color Output Adjustment
PAL Delay
Line Adjustment
(V-P.C. Board)
1. Equipment
to
be used
PAL
Signal
Generator: PAL
Color
Bar Pattern
VIDEO input
Oscilloscope:
TPV52
- TPV1 {GND)
2. Initial conditions
TV
SYSTEM:
AUTO or PAL
PAL
DELAY
LINE 1 VR (R635): CENTER
Adjustment
Mode:
Adjustment
Mode
1
3. Adjustment P•rocedures
(1)
Receive
a
PAL
Color
Bar Pattern
signal.
(2)
Adjust PAL DELAY LINE
1 VR (R635)
to
set
the
waveform amplitude of TPV52 to 0.85:t0.1 Vp-p.
(3)
Adjust PAL DELAY LINE 2
(L603)
to match waveform
"B"
of
the
first
H
and that of
the
second H
and to
balance
the
four
places.
(4)
Adjust PAL
DELAY
LINE 1 VR
(R635) to
match
waveform
"A'
of the first Hand that of the
second
H.
(5)
Check
the
"B"
part
and the waveform amplitude.
If necessary, repeat step
(2)
through
(4).
TPV52
Waveform
PAL
Color Output Adjustment
(Y-P.C.
Board)
1. Equipment
to be used
0.85±0.1V
PAL Signal
Generator: PAL
Color
Bar
Pattern
VIDEO input
Oscilloscope:
TPKB
-
TPY6 (GND)
2.
Initial
conditions
TV SYSTEM:
AUTO
or
PAL
CONTRAST:
MAX
Adjustment
Mode:
Adjustment
Mode 2
3. Adjustment Procedures
(1)
Receive
a
PAL
Color
Bar
Pattern signal.
(2)
Adjust
the
COLOR control
of the
remote control
unit to
equalize amplitude "A"
of
the TPKB waveform and
amplitude
"D" of it.
(3)
Adjust
the
TINT
control of
the remote
control unit to
equalize amplitude
"B" of
the TPKB waveform and
amplitude "C"
of it.
(4)
Check amplitude
"A"
and
'D"
and amplitude
"B" and
"C".
If necessary, repeat
step (2)
and (3).
A
TPKB Waveform
3, Video
Contrast
Adjustment
{1)
Check that CONTRAST
is 127.
.If
necessary, set
it to
127.
4. Video Sharpness Adjustment
(1)
Check
that
SHARPNESS is 50.
If
necessary, set
it to
50.
-
34 -

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