Panasonic PT-RZ475U / PT-RZ475E / PT-RZ475EA Service Manual ▷ View online
1. Adjustment item and a procedure
1. 1. Lighting area adjustment
1. 1. 1. Lighting area confirmation
1. After replacing the DMD block, check if any shade is visible in the DMD effective display area.
* Make the projection environment as dark as possible and project an all-white and all-black pattern (internal test pattern) for this check.
2. When the Lighting area interferes with the effective area, adjust the lighting area.
1. 1. 2. Lighting area adjustment
1. Projection "All White" in internal test pattern.
(light power "NORMAL" and picture mode "DYNAMIC")
2. Remove the sponge1 (one screw) and sponge2.
* Do not reuse sponges, please replace
the new sponge.
3. Loosen the fixing screws (2 pcs) in hex driver (2.5mm).
When the following components in this projector are replaced, adjustments are required. Adjust each item according
to the table below.
to the table below.
1.3. EEPROM data transfer
DMD block / Optical block each part
1.6. Drive Current, White balance,
Color luminance adjustment
Color luminance adjustment
LD, LED-R, LED-B, Phosphor wheel
1.7. Color luminance adjustment
PD-P.C.Board
1.1. Lighting area adjustment
A-P.C.Board
Save data to a PC before A-PCB exchange and write it
into a new A-PCB.
into a new A-PCB.
Adjustment Items
1.4. Model information setup
A-P.C.Board
When 1.2 Data Transfer is successful, this is not
necessary.
necessary.
1.5. Airflow sensor compensation
A-P.C.Board / M3-P.C.Board
Adjust to after EEPROM data transmission is completed.
Replaced parts
Remarks
1.2. Focus adjustment
DMD block / Projection lens
Effective area
Lighting area
Sponge 1
Sponge 2
Fixing screws
50～100N･cm
ADJ - 2
4. Adjustment screw coordinates the horizontal direction
of the Lighting area with flat-blade screwdriver.
* Rotation of a screw is stopped in the middle position
where a lighting area edge appears in right and left.
5. Adjustment bracket coordinates the vertical direction
of the Lighting area with flat-blade screwdriver.
* Rotation of a screw is stopped in the middle position
where a lighting area edge appears in up and down.
6. When adjustment is completed, tighten two fixation screws.
7. Stick the new sponge1 and sponge2, to original position.
* Do not reuse the old sponges.
1. 2. Focus adjustment
1. 2. 1. Preparation
・Set up the projector to the position of 1.212 m distance
from the screen.
from the screen.
【Note】
・It is necessary for the optical axis of projector to be
・It is necessary for the optical axis of projector to be
perpendicular to the screen.
(for accurate check and adjustment.)
1. 2. 2. Focus balance check
1. Go into the service mode and select "Convergence pattern" in internal test pattern.
2. Adjust the focus to be the same level at points ① to ⑤ on the screen. <Fig 1>
Adjustment
screw
Adjustment
bracket
bracket
(flat-blade screwdriver)
L
L
Screen
Screen
< L = 1.212 m >
①
②
③
④
⑤
< Fig 1 >
ADJ - 3
3. Criteria for determining
・ Check the projection image at points ① to ⑤ on the screen, please focus adjustment in the case of NG level.
1. 2. 3. Focus adjustment method
1. Adjust the quantity of shim of the lens mount.
・ Shims of thickness 0.3mm and 0.05mm are set as factory.
Is corrected by a combination of shims (0.1mm) as needed. (Included with the repair parts)
・ Part number : 0.3mm shim TENC5815-1, 0.05mm shim TENC5895, 0.1mm shim TENC5816-1
・ Screws, please tighten from thickness low point of the shims.
・ Screws, please tighten from thickness low point of the shims.
[Note]
Tightening torque : 70 ± 10 N・cm
2. Diagonal tilt adjustment
・ Diagonal point of increased the shim, reduce the same amount it.
(Example)
0.1mm reduce thickness of shim on [A] and add 0.1mm onto shim on [D].
・ Measure of image plane movement
OK level
NG level
Pixels can be clearly
recognizable.
recognizable.
Each lines can be clearly
recognizable.
(interval of line is clear)
recognizable.
(interval of line is clear)
Each lines can be
recognizable.
(interval of line is not clear)
recognizable.
(interval of line is not clear)
Each lines can not
recognizable.
recognizable.
Shim correction amount
Image plane movement amount
± 0.1 mm
± 0.2 mm
± 0.3 mm
± 100 mm
± 200 mm
± 300 mm
Shim point [A]
Shim point [B]
Shim point [C]
Shim point [D]
Reduce thickness of shim
on [D] and add the same
amount onto shim on [A].
on [D] and add the same
amount onto shim on [A].
Reduce thickness of shim
on [A] and add the same
amount onto shim on [D].
on [A] and add the same
amount onto shim on [D].
Reduce thickness of shim
on [C] and add the same
amount onto shim on [D].
on [C] and add the same
amount onto shim on [D].
Reduce thickness of shim
on [B] and add the same
amount onto shim on [C].
on [B] and add the same
amount onto shim on [C].
ADJ - 4
3. Vertical tilt adjustment
・ Vertically opposite point of increased the shim, reduce the same amount it.
(Example)
0.1mm reduce thickness of shims on [A] and [C], and add 0.1mm onto shims on [B] and [D].
・ Measure of image plane movement
4. Horizontal tilt adjustment
・ horizontally opposite point of increased the shim, reduce the same amount it.
(Example)
0.1mm reduce thickness of shims on [A] and [B], and add 0.1mm onto shims on [C] and [D].
・ Measure of image plane movement
Shim correction amount
± 0.1 mm
± 0.2 mm
± 0.3 mm
Image plane movement amount
± 100 mm
± 200 mm
± 300 mm
± 0.1 mm
± 0.2 mm
± 0.3 mm
Image plane movement amount
± 50 mm
± 150 mm
± 300 mm
Shim correction amount
Reduce thickness of shims on [B][D]
and add the same amount onto shim
on [A][C].
and add the same amount onto shim
on [A][C].
Reduce thickness of shims on [A][C]
and add the same amount onto shim
on [B][D].
and add the same amount onto shim
on [B][D].
Reduce thickness of shims on [C][D]
and add the same amount onto shim
on [A][B].
and add the same amount onto shim
on [A][B].
Reduce thickness of shims on [A][B]
and add the same amount onto shim
on [C][D].
and add the same amount onto shim
on [C][D].
ADJ - 5
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