Download  Print this page

2-pole And 4-pole Magnet Adjustment; Adjustment Of 2-pole Magnets; Green, Red, Blue Adjustment Of 4-pole Magnets; Blue Left Side Dot Adjustment Of 2-pole Magnets - Sony KP-FX432M31 Service Manual

Ax-1 chassis, crt projection tv.
Hide thumbs

Advertisement

3-5. 2-POLE AND 4-POLE MAGNET
ADJUSTMENT

3-5-1. Adjustment of 2-pole magnets

1. Receive the Dot signal (1080i/50Hz) from HD/DVD 1 termi-
nal.
2. Place the caps on the red and blue lens so that only the green
color is shown.
3. Turn the green focus volume of focus pack counter-clock-
wise, so that diameter of the dot become large.
4. Adjust the 2-pole magnet, counter-clockwise and clockwise
center of the dot doesn't move. (Use focus volume)
5. Center position is changed by 2-pole magnet adjustment.
So, center magnet adjustment and 2-pole magnet adjustment
are needed tracking adjustment.
6. Repeat same adjustment method for red and blue.
Use the center dot
Fig. 3-7
3-5-2. Green, Red, Blue adjustment of 4-pole
magnets
1. Turn Grenn focus volume of focus pack clockwise.
2. By using 4 pole magnets make the spot size round.
3. Repeat for red and blue.
4. Turn focus pack counter-clockwise and "Just Focus" red,
green and blue.
NG
Fig. 3-9
3-5-3. Blue left side dot adjustment of 2-pole
Magnets
1. Turn blue focus volume of focus pack counter-clockwise, so
that diameter of the dot becomes large, and can see bright core
position.
2. Pay attentio to left side dot of the screen. (Fig.3-10)
3. Adjustment 2 pole magnet, so that bright core position of dot
become center position of dot. (Fig.3-11)
Use the center dot
Fig. 3-10
Blue 2 Pole magnet
Adjustment Position
Fig. 3-11
Left-end dot
Right-end dot
(BLUE)
(BLUE)
NG
OK
Fig. 3-8
OK
NG
Bright Core
KP-FX432M31/FX432M91/FX532M91

3-6. BLUE DEFOCUS ADJUSTMENT

1. Receive 1080i/50Hz dot signal from HD/DVD 1 terminal.
2. Set "Hi Fine" and PICTURE 100%, other 50% and white
balance "COOL". (VM OFF)
3. Blue 4 pole : make round in the center of screen.
4. Confirm that center dot focus is adjusted in focus. (Fig.3-12a)
5. Adjust blue electrical focus to make the left side spot nearly
round by minimizing width and height. (Slight overfocus is
OK) (Fig.3-12b)
6. Confirm that the green to blue spot size is within spec.
Blue center dot height shall be
7. Return making condition data to orignal data.
Blue 2 Defocus
Adjustment Position
3-7. GREEN, RED AND BLUE FOCUS
ADJUSTMENT

3-7-1. Green, Red and Blue lens focus adjustment

1. Input a cross hatch signal into VIDEO 1. (composite video
input)
2. Place a lens cover over red and blue lenses and project only
green.
3. Rotate the green lens and adjust to obtain the best lens focus at
the center area.
4. Fix lens screw.
5. Repeat above process for red and blue.
Adjust Point center

3-7-2. Green and Red electrical focus adjustment

1. Input a cross-hatch signal into VIDEO 1.
2. Project only Green.
3. Rotate the green focus volume on the focus pack and adjust to
obtain the best focus at the center screen.
4. Repeat above process for red.
– 18 –
RM-998
RM-998
1.2 times the green dot heght.
Fig. 3-12a
OK
Fig. 3-12b
Fig. 3-13
Adjust Point
Fig. 3-14
RM-998

Advertisement

Table of Contents

   Also See for Sony KP-FX432M31

   Related Manuals for Sony KP-FX432M31

This manual is also suitable for:

Kp-fx532m91Kp-fx432m91

Comments to this Manuals

Symbols: 0
Latest comments: