Sony KP-41PX1 / KP-41PX1K / KP-41PX1R Service Manual ▷ View online
– 37 –
KP-41PX1/41PX1K/41PX1R
K
RM-892
RM-892
RM-862
6-2. REGISTRATION ADJUSTMENT
6-2-1. Registration Adjustment Method
1. Turn on the main power switch of the set and enter into
standby mode.
2. Press the following sequence of buttons on the Remote
Commander.
CENTER ADJUSTMENT
1. Adjust H Position and V Position.
3. Press “MENU” on the commander.
4. Move to the corresponding adjustment using the joystick
(v or V : up or down) on the commander.
5. Move the joystick to the right (B) to enter the selected
adjustment.
With the joystick
:
v or V Items change
b or B Data change
b or B Data change
In internal pattern :
ITEM : Convergence
ITEM : Convergence
OSD CHSW = “00” Internal pattern (crosshatch)
OSD CHSW = “01” External pattern
OSD CHSW = “01” External pattern
Color of internal pattern :
ITEM : Convergence
ITEM : Convergence
GH GSEL = “00”
Green + Red
GH GSEL = “01”
Green
BH BSEL = “00”
Blue + Green
BH BSEL = “01”
Blue + Red
6-2-2. Main Deflection Adjustment
1. Receive the PAL SPCB signal.
2. Select 16 : 9 mode.
2. Select 16 : 9 mode.
Press “
(blue key)” : 4 : 3
b 16 : 9
Need geometry adjustment to 16 : 9 mode and 4 : 3 mode.
Production spec of each mode.
Production spec of each mode.
3. Select service mode and enter adjustment item for green sig-
nal.
Enter the
“TT MODE”
5
(DIGIT 5)
(VOLUME +)
(TV MODE)
ON SCREEN
DISPLAY
( )
Signal : PAL SPCB
H SIZE
V SIZE
16 : 9
16.6
±
0.2 sq
12.6
±
0.2 sq
4 : 3
17.1
±
0.2 sq
12.4
±
0.2 sq
H Position
V Position
SIZE ADJUSTMENT
1. Make Convergence GH SIZE data “00”.
2. Adjust Geometry H Size.
3. Make Convergence GV SIZE data “00”.
4. Adjust Geometry V Size.
5. Adjust Geometry S Correction.
2. Adjust Geometry H Size.
3. Make Convergence GV SIZE data “00”.
4. Adjust Geometry V Size.
5. Adjust Geometry S Correction.
V Size
H Size
– 38 –
KP-41PX1/41PX1K/41PX1R
K
RM-892
RM-892
RM-862
SUB DEFLECTION ADJUSTMENT ITEM
Adjustment
<
: Yes
– : No
Display
Adjustment item
Adjustment type
GH
GV RH
RV
BH BV
GSEL
COL SELECT
O
–
–
–
–
–
BSEL
COL SELECT
–
–
–
–
O
–
CENT
CENT
O
O
O
O
O
O
SKEW
SKEW
O
O
O
O
O
O
BOW
BOW
O
O
O
O
O
O
4BOW
4TH BOW
O
–
O
–
O
–
SIZE
SIZE
O
O
O
O
O
O
LIN
LIN
O
O
O
O
O
O
MSIZ
MID SIZE
O
O
O
O
O
O
MLIN
MID LIN
O
–
O
–
O
–
MKEY
MID KEY
–
O
–
O
–
O
KEY
KEY
O
O
O
O
O
O
SSKW
SUB SKEW
O
O
O
O
O
O
MPIN
MID PIN
O
O
O
O
O
O
PIN
PIN
O
O
O
O
O
O
SBOW
SUB BOW
O
O
O
O
O
O
WAVW
WAVE
–
O
–
O
–
O
MBOW
MID BOW
O
–
O
–
O
–
4PIN
4TH PIN
O
O
O
O
O
O
4SBO
4TH SUB BOW
O
–
O
–
O
–
MWAV
MID WAVE
–
–
–
O
–
O
7. Adjust Lo Corn Pin
Correct the screen bottom section line bow.
Lo Corn Pin
Up Corn Pin
6. Adjust Up Corn Pin
Correct the screen top section line bow.
PIN Phase
5. Adjust PIN Phase
Correct the vertical left and right lines to be in parallel with
each other.
each other.
4. Adjust PIN Amp
Correct the vertical left and right lines and eliminate pin-
cushion-shaped distortion.
cushion-shaped distortion.
PIN Amp
6-2-3. Sub Deflection Adjustment
1. Receive the PAL SPCB signal.
2. Select 16 : 9 mode.
2. Select 16 : 9 mode.
Press “
(blue key)” : 4 : 3
b 16 : 9
Need geometry adjustment to 16 : 9 mode and 4 : 3 mode.
Production spec of each mode.
Production spec of each mode.
3. Select service mode and enter adjustment item for green sig-
nal.
MAIN DEFLECTION ADJUSTMENT
1. Adjust V Linearity.
Correct linearity of the horizontal top and bottom lines.
V Linearity
2. Adjust AFC Angle
Correct the vertical center line to be in parallel with the screen
edges and other colors.
edges and other colors.
AFC Angle
3. Adjust AFC Bow
Correct linearity of the vertical center line.
AFC Bow
– 39 –
KP-41PX1/41PX1K/41PX1R
K
RM-892
RM-892
RM-862
GREEN VERTICAL LINE ADJUSTMENT
1. Receive the PAL SPCB signal.
2. Carefully watching out for the GH CENT screen center sec-
2. Carefully watching out for the GH CENT screen center sec-
tion, adjust GH CENT, GH BOW, GH SKEW.
3. GH 4BOW adjustment. Correct the corner distortion which
could not be adjusted with GH BOW.
Watch out only for the
GH CENT center point.
GH CENT center point.
Watch the vertical center line.
GH CENT
GH BOW
GH SKEW
GH 4BOW
GREEN HORIZONTAL LINE ADJUSTMENT
1. Receive the PAL SPCB signal.
2. Finely adjust the center position of the vertical line at the
2. Finely adjust the center position of the vertical line at the
center of the screen with GV CENT.
3. Using GV SKEW and GV BOW, correct the tilt and bow of
the horizontal line at the centre of the screen.
Watch the horizontal
center line.
center line.
Watch out only for the
GV CENT center point.
GV CENT center point.
Watch out only for the GV
CENT center point.
CENT center point.
GV CENT
GV BOW
GV SKEW
GREEN SIZE AND LINEARITY ADJUSTMENT
1. Receive the Internal pattern (crosshatch) signal.
2. Balance the sizes at both sides of the center section of the
2. Balance the sizes at both sides of the center section of the
screen with GH MLIN.
3. Balance the sizes on both end sections of the screen with
GH LIN.
4. While tracking, adjust with GH MLIN and GH LIN so
that the sizes of the horizontal line at the center of the
screen are symmetrical left and right.
screen are symmetrical left and right.
MLIN
LIN
– 40 –
KP-41PX1/41PX1K/41PX1R
K
RM-892
RM-892
RM-862
SS KW
KEY
SSKW
GREEN VERTICAL SIZE ADJUSTMENT
1. Receive the Internal pattern (crosshatch) signal.
2. Adjust GV MSIZ so that the sizes at the top and bottom and
2. Adjust GV MSIZ so that the sizes at the top and bottom and
centre are equal.
3. Set the vertical size to correct specification.
4. While tracking adjust GV MSIZ and GV SIZE so that the
4. While tracking adjust GV MSIZ and GV SIZE so that the
space intervals for the vertical line of the screen are equal,
also the vertical size should be within space.
also the vertical size should be within space.
5. Adjust again if GV LIN has been altered after completing
the above adjustments.
GREEN HORIZONTAL TRAPEZOIDAL DISTORTION
ADJUSTMENT
ADJUSTMENT
1. Receive the Internal pattern (crosshatch) signal.
2. Adjust GH SSKW so that the tilt of the vertical lines at both
2. Adjust GH SSKW so that the tilt of the vertical lines at both
edges of the screen are symmetrical left and right.
3. Adjust GH KEY so that there is no tilt in the vertical lines at
both edges of the screen.
4. While tracking adjust GH KEY and GH SSKW.
GREEN HORIZONTAL SIZE ADJUSTMENT
1. Receive the Internal pattern (crosshatch) signal.
2. Adjust with GH MSIZ, so that the sizes of both edges and
2. Adjust with GH MSIZ, so that the sizes of both edges and
centre are equal.
3. Adjust with GH SIZE, so that the horizontal sizes of both
edges and centre are equal.
4. While tracking adjust GH MSIZ and GH SIZE so that the
space intervals for the horizontal section of the screen are
equal.
equal.
5. Adjust again if M LIN is changed after GH MSIZ
and GH SIZE are complete.
GREEN VERTICAL LINEARITY ADJUSTMENT
1. Receive the Internal pattern (crosshatch) signal.
2. Adjust GV LIN so that the vertical lines at the top and bot-
2. Adjust GV LIN so that the vertical lines at the top and bot-
tom of the screen are symmetrical.
MSIZ
SIZE
GH MLIN
GH MSIZ
GH LIN
GH SIZE
GH MSIZ
MSIZ
SIZE
GV LIN
GV SIZE
GV MSIZ
GV MSIZ
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