Sanyo Xp 55 Manual

-11-
1Remove 2 screws Ato take the Prism Base ass’y
upward off.
2Remove 2 screws Bto take the Lens Shift Motor and
Sensor SW Holder from the Base. Mechanical Disassemblies
1Remove 3 screws Ato take the Power Board off.
2Remove 4 screws Bto take Holder off from the cabinet
bottom.
Fig.8
Fig.7 Prism Base removal
7
Power Board removal8
Prism Base Ass’y
Motor and
Sensor Holder
B B A A
Power Board
Power Board
Holder B BA
A
B B A 

1Remove 1 screw A to take Interlock Switch(SW902).
2Remove 2 screws B to take Filter Board Holder and
remove 2 screws 
Cto take Filter Board from the Holder.
3Remove 1 screw D to take Thermal Switch(SW905).
-12- Mechanical Disassemblies
Fig.9 Filter Board & Interlock SW & Thermal SW
removal
9
D
Interlock Switch
(SW902)
Filter Board
C
C
A BB
Holder
Thermal Switch
(SW905)
1Remove 4 screws Ato take Air-duct Top off.
2Remove 1 screw B(small) and 1 screw C(big) to take
Duct Cover-A.
3Remove 2 screws Dto take...

-13-
■Optical Parts Disassemblies
Before taking this procedure, remove Cabinet Top and Main Board following to the “Mechanical Disassemblies”.
Disassembly requires a 2.0mm or 2.5mm hex wrench and a slot screwdriver.
1Remove each hex screw and pull the Polarized Glass-In ass’y upward.
2Remove a stopper and take the glass off upward.
Polarized Glass-In removal
Fig.2-1
Fig.2-2
Stopper
polarized glass
*Glass should be placed as the
printed marker comes to the
upper left corner.
Phase Sheet
Part No. is...

-14-
1Remove 4 hex screws Aand take the LCD/Prism ass’y off upward.
2Remove 3 screws B and take the Glass Holder, and then pull the polarized
Glass-Out and the wide view glass upwards off. These glasses are mount-
ed for R, G and B LCD panels respectively.
Note:
To avoid the CG and focus alignments slipping off, please be careful to
handle the LCD/Prism assy. 
LCD Panel/Prism Ass’y
Note:
Do not replace the LCD panel
separately otherwise it can
not obtain proper picture.
Fig.4-1
Polarized Glass-Out and...

-15-
Optical Parts Disassemblies
1Remove 7 screws to take the Optical Unit Top off upward.
Optical Unit Top removal
1Remove 2 hex screws Aand take the Condenser Lens ass’y.
2Release 4 hooks B to  take the Lens off from the holder.
A
Fig.6-2
Fig.6-1B
Holder
Condenser Lens A
Condenser Lens disassembly
*Lens should be placed
as the flat surface side
comes to the holder
side.
Condenser Lens
Fig.5 

-16-
Optical Parts Disassemblies
When the optical parts in the optical unit mounting or assembling,
the parts must be mounted in the specified location and direction as
shown in figure below.
14
12
8
Fig.7
3141
24
9
Locations and Directions
13
6
1Condenser lens (R)
2Condenser lens
3Condenser lens
4Mirror (B)
5Optical filter (UV cut)
6Dichroic mirror (B
7Dichroic mirror (G)
8Mirror (W)
9Condenser lens (IN)
10 PBS (prism beam splitter)
11 Integrator lens (OUT)
12 Integrator lens (IN)
13 Relay lens (IN)
14...

-17-
■LCD Panel/Prism Ass’y Replacement
1Remove the cabinet top and main board following to
“Mechanical Disassemblies”.
2Remove 4 screws by using the 2.0 mm hex driver and
take the LCD Panel/Prism ass’y off upward from the
optical unit.
LCD Panel/Prism
Ass’y
After replacing or installing the LCD Panel/Prism assy,
please make sure to obtain the best focus in both TELE
and WIDE zoom. If the focus adjustment is required,
please adjust the positioning of LCD Panel/Prism Ass’y by
following the below...

-18-
WARNING:
- For continued safety, replace with a lamp assembly of the same type. 
- Allow the projector to cool for at least 45 minutes before you open the
lamp cover. The inside of the projector can become very hot.
- Do not drop the lamp module or touch the glass bulb! The glass can
shatter and cause injury.
Pr
ocedure
1Turn off the projector and disconnect the AC cord. Allow the projector to
cool for at least 45 minutes.
2Loosen 2 screws with a screwdriver and open the lamp cover.
3Loosen 2 screws...

-19-
B-Polarized Glass
Mounting Assy
and Base
R-Polarized Glass
Mounting Assy
and Base
G-Polarized Glass
Mounting Assy
and Base
A
A
A
Fig.1-2
■Optical Adjustments
Main Board
Before taking optical adjustments below, remove the Cabinet Top and Main Board following to the “Mechanical
Disassemblies”
Adjustments require a 2.0mm hex wrench and a slot screwdriver. 
Note: Do not disconnect connectors K8L, K8X, K8D, K8G and K8E on the main board, because the projector can
not turn on due to operate the power...

-20-
Optical Adjustments
Fig.2-2
1 Turn the projector on by a state of without FPC cables.
2 Adjust the adjustment base of condenser lens ass’y to make color
uniformity in white.
1) If the shading appears on the left or right of the screen as
shown in Fig.2-1, loosen 2 screws 
Awith the 2.0mm hex driv-
er, and adjust the slot 
Bto make color uniformity in green by
using a slot screwdriver.
2) If the shading appears on the top or bottom of the screen as
shown in Fig.2-2, loosen 1 screw 
Cwith the 2.0mm...