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ADJ-10
SECTION 3 ADJUSTMENTS
< JX200F >
1. 5. Focus adjustment
1. 5. 1. Preparation
1. Set the wide end of zoom lens.
2. Set the throw distance at 1.06 m (approx 40inch)
[Note] • Install the projector so that an optical axis becomes perpendicular to screen.
S
cre
en
1.06 m
Projector
S
cre
en
1.06 m
Projector
1. 5. 2. Focus check
1. After turning on the power, carry out aging for more than 30 minutes.
2. Project the crosshatch pattern of internal test pattern.
3. Adjust the focus balance at the center and four corners of the screen.
( Fig 1 :
① - ⑤ )
4. Check the outline of the center and four corners image.
• OK : Each lines can be confirmed.
(but border of each lines is not clear)
• NG : Part of lines cannot be confirmed for indistinct.
[Note]
• For accurate checking, the optical axis must be perpendicular to
the screen.
①
②
③
④
⑤
1. 5. 3. Focus adjustment method
1. Set the focus position where just focus is at the backmost in the each corners on screen.
2. Check the corner where the hithermost focus point is.
3. Adjust the shims according to the following table.
Hithermost corner ① (Upper left) ② (Lower left) ③ (Upper right) ④ (Lower right)
Shim location
A & C
A
B & C
B
Adjust shim
1 piece remove 1 piece remove 1 piece remove 1 piece remove
• If the hithermost focus point is more than 300mm, please check the mounting
of DMD.
• Shims (0.1mm:TMKX510) are included with the lens unit or lighting case unit
for repair parts.
[ Example ]
1) In the case of the figure below, the hithermost focus point is
② (lower left).
2) Remove the shim from adjustment location A.
Ａ
B
C
①
②
Hithermost focus
③
④
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