Panasonic CT-34WDM60 Service Manual ▷ View online
- 40 -
•
"H-POSITION" adjustment
•
"H-SIZE" adjustment
•
When there is a monoscope pattern
→
Press the "
,
" buttons on the remote control and
adjust so that the center of the vertical lines of the built-in
cross-hatch pattern becomes stable at the specified value
of the following table.
cross-hatch pattern becomes stable at the specified value
of the following table.
(mm)
→
Press the "
,
" buttons on the remote control and
adjust so that the position 5 lines to the left from the cen-
ter of the vertical lines of the built-in cross-hatch pattern...
(C) and the position 5 lines to the right from the center...
(D) becomes stable at the specified value of the following
table.
ter of the vertical lines of the built-in cross-hatch pattern...
(C) and the position 5 lines to the right from the center...
(D) becomes stable at the specified value of the following
table.
(mm)
→
Press the "
,
" buttons on the remote control and
adjust so that the left (
α
and the right (
α
’) end of the scale
at the sides of the received monoscope pattern for each
aspect ratio becomes stable at the specified value of the
following table.
aspect ratio becomes stable at the specified value of the
following table.
(Scale)
NTSC FULL WARM
DEF ADJ
H-POSITION
DEF ADJ
H-POSITION
IIC
A
B
NTSC FULL WARM
DEF ADJ
H-SIZE
DEF ADJ
H-SIZE
IIC
C
D
NTSC 4:3 WARM
DEF ADJ
H-SIZE
DEF ADJ
H-SIZE
A
B
NTSC FULL
395
355
1080i
380
330
C
D
NTSC FULL
282
285
1080i
285
275
α=α
’
NTSC FULL
2.5±0.1
NTSC ZOOM
2.5±0.2
NTSC JUST
2.8±0.1
6. Adjustment methods for distortion correction
!"#$
- 41 -
•
"SIDE-PCC" correction
•
"H-PARALLEL" adjustment
•
"H-LINEARITY" adjustment
→
When the vertical lines of the built-in cross-hatch pattern
show bow-shaped distortion (like the dotted lines in the
figure on the left), use the center of the vertical lines as
figure on the left), use the center of the vertical lines as
reference, press the "
,
" buttons on the remote con-
trol and adjust so that the reference line becomes a
straight line.
straight line.
→
When the lines at the left and right edge have a parallelo-
gram component (like the dotted lines in the figure on the
left), use the center of the vertical lines as reference,
left), use the center of the vertical lines as reference,
press the "
,
" buttons on the remote control and
adjust so that the reference line becomes a vertical line.
→
Press the "
,
" buttons on the remote control and
adjust so that the position 3 lines to the left from the cen-
ter of the vertical lines of the built-in cross-hatch pattern...
(E) and the position 3 lines to the right from the center...
(F) becomes stable at the specified value of the following
table.
ter of the vertical lines of the built-in cross-hatch pattern...
(E) and the position 3 lines to the right from the center...
(F) becomes stable at the specified value of the following
table.
F - E = 2 ± 5 (mm)
NTSC FULL WARM
DEF ADJ
SIDE-PCC
DEF ADJ
SIDE-PCC
IIC
NTSC FULL WARM
DEF ADJ
H-PARALLEL
DEF ADJ
H-PARALLEL
IIC
NTSC FULL WARM
DEF ADJ
H-LINEARITY
DEF ADJ
H-LINEARITY
IIC
E
F
( !"#$
- 42 -
•
"V-POSITION" adjustment
•
"TRAPEZOID" adjustment
•
"V-LINEARITY" adjustment
→
Press the "
,
" buttons on the remote control and
adjust so that the center of the horizontal lines of the built-
in cross-hatch pattern becomes stable at the specified
value of the following table.
in cross-hatch pattern becomes stable at the specified
value of the following table.
(mm)
→
When the vertical lines of the built-in cross-hatch pattern
show trapezoidal distortion (refer to the dotted lines in the
figure on the left), use the vertical lines on the outside as
figure on the left), use the vertical lines on the outside as
reference, press the "
,
" buttons on the remote con-
trol and adjust so that the reference line becomes a verti-
cal line.
cal line.
→
Press the "
,
" buttons on the remote control and
adjust so that the line interval between adjacent horizontal
lines in the upper half and in the lower half of the built-in
cross-hatch pattern becomes uniform (I = J).
lines in the upper half and in the lower half of the built-in
cross-hatch pattern becomes uniform (I = J).
*When the "V-LINEARITY" is adjusted, also adjust the "V-
S CORRECTION" at the same time.
S CORRECTION" at the same time.
*Refer to page 44 for the "V-S CORRECTION" adjust-
ment.
ment.
NTSC FULL WARM
DEF ADJ
V-POSITION
DEF ADJ
V-POSITION
IIC
G
H
NTSC FULL WARM
DEF ADJ
TRAPEZOID
DEF ADJ
TRAPEZOID
IIC
NTSC FULL WARM
DEF ADJ
V-LINEARITY
DEF ADJ
V-LINEARITY
IIC
I
J
G
H
NTSC FULL
217
205
1080i
205
200
!"#$
- 43 -
•
"V-SIZE" adjustment
•
When there is a monoscope pattern
•
"PCC" adjustment
→
Press the "
,
" buttons on the remote control and
adjust so that the position 4 lines to the top from the cen-
ter of the horizontal lines of the built-in cross-hatch pattern
... (K) and the position 4 lines to the bottom from the cen-
ter... (L) becomes stable at the specified value of the fol-
ter of the horizontal lines of the built-in cross-hatch pattern
... (K) and the position 4 lines to the bottom from the cen-
ter... (L) becomes stable at the specified value of the fol-
lowing table.
(mm)
→
Press the "
,
" buttons on the remote control and
adjust so that the top (
β
) and the bottom (
β
’) of the scale
of the received monoscope pattern for each aspect ratio
becomes stable at the specified value of the following
table.
becomes stable at the specified value of the following
table.
(Scale)
→
When the vertical lines of the built-in cross-hatch pattern
show pincushion distortion (refer to the dotted lines in the
figure on the left), use the first and the third line on the
outside at the left and right as reference lines, press the
show pincushion distortion (refer to the dotted lines in the
figure on the left), use the first and the third line on the
outside at the left and right as reference lines, press the
"
,
" buttons on the remote control and adjust so that
the reference lines become vertical lines.
NTSC FULL WARM
DEF ADJ
V-SIZE
DEF ADJ
V-SIZE
IIC
K
L
NTSC 4:3 WARM
DEF ADJ
V-SIZE
DEF ADJ
V-SIZE
NTSC FULL WARM
DEF ADJ
PCC
DEF ADJ
PCC
IIC
K
L
NTSC FULL
157
157
1080i
140
140
β = β
’
NTSC FULL
2.0±0.2
NTSC NORMAL
NTSC JUST
1.8±0.1
!"#$
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