Toshiba TLP541E Service Manual page 10

2. Tighten the S adjusting screws with a wrench for
servicing and fix the Z rotation plate. (Refer to Fig. 1-
3-17.) If the focus adjusted is upset when fixing,
loosen the S adjusting screws and perform the
adjustment in step 1 again.
Fig. 1-3-17 Service wrench
3. Repeat the steps 1 and 2 until the Z rotation plate is
fixed in the best focus condition. Finally, fix the Z
rotation plate perfectly by tightening the S adjusting
screws further with a long-nose plier, etc.
(2) Picture element adjustment
(Convergence adjustment)
– Superimposing pictures on R and B panels with a
picture on G panel.
1. Loosen the upper and lower L adjusting screws fixing
the panel.
2. Shift the XY shifting plate by holding its upper
portion with fingers or a long-nose plier, etc. and
adjust to superimpose the picture on the panel
replaced on that of the G panel.
For the relation between the picture and the XY
shifting plate shifting directions, the picture shifts to
the left when the XY shifting plate shifts to the left
seeing from the incident side of the panel (the picture
shifts to the right when the XY shifting plate shifts to
the right direction.), and the picture shifts to the lower
direction when the XY shifting plate shifts to the
upper direction (the picture shifts to the upper
direction, when the XY shifting plate shifts to the
lower direction.).
3. Fix the panel by tightening the upper/lower L
adjusting screws with a wrench for servicing. If a
focus is upset when fixing the panel, loosen the
upper/lower L adjusting screws and perform the step 2
again.
4. Repeat the steps 2 and 3 until the panel is fixed with
the picture superimposed in the best condition.
< Holder fixing >
1. Apply screw lock to the S adjusting screws.
2. Fix the Z rotation plate and the holder support, and
the Z rotation plate to the XY shifting plate by using
a silicone bond at the appropriate locations.
3-14-2. Mirror Adjustment Procedures
(After polarizing plate replacement)
1. Loosen screws fixing three mirror holder (WM, RM,
BM).
RM fixing screw
2. Set G single color screen. Move the WM fixing screw
along the long hole and fix it where the upper and
lower edges of the screen does not show the dark
band.
3. Set R single color screen. Fix the RM fixing screw in
the same way as shown in step 2.
4. Set B single color screen. Fix BM fixing screw in the
same way as shown in step 2.
5. Apply screw lock to each fixing screw. (For the screw
lock position, refer to the figure shown below.)
1-8
WM fixing screw
BM fixing screw
Fig. 1-3-18
Fig. 1-3-19