Sony RM-PJ5 / VPL-CS21 / VPL-CX21 Service Manual ▷ View online
2-9
VPL-CX21/CS21
Remarks
Channel Memory
Image Flip Memory
Fan Memory
HDTV (YP b Pr)
HDTV (GBR)inc.
Double speed
Video
S Video
Input-A
Up/Down
inversion
posssible
Up/Down
inversion not
posssible
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Non Adjustable
Chroma Memory
Memory Name
2-10
VPL-CX21/CS21
2-4. Service Know-How
2-4-1. When the Prism Block is Replaced
1.
Perform the V COM adjustment. (Refer to Section “2-
2. VCOM Adjustment”.)
2. VCOM Adjustment”.)
2.
Write LUT and 3D GAMMA data that are supplied
with the prism block.
with the prism block.
3.
Perform the white balance adjustment. (Refer to
Section “2-5. White Balance Adjustment”.)
Section “2-5. White Balance Adjustment”.)
4.
Perform the Auto Focus adjustment.
(Refer to Section “2-6. AF Adjustment”.)
(Refer to Section “2-6. AF Adjustment”.)
2-4-2. When the Lens is Replaced
1.
Perform the Auto Focus adjustment.
(Refer to Section “2-6. AF Adjustment”.)
(Refer to Section “2-6. AF Adjustment”.)
2-4-3. When the Board is Replaced
n
No item needs to be adjusted when boards other than the C
No item needs to be adjusted when boards other than the C
board are replaced.
When the C board is replaced
1.
Install the IC702 that are removed from the old C
board, into the new C board.
2.
Enter the Factory Mode, and select Other in DEVICE
MENU.
3.
Shorten the TILT adjustor to its shortest limit on the
flat workbench.
4.
At this time, the value of 22 Other/X Tilt is read and
inputted in the 19 Other/Tilt C0.
5.
Secure the unit so that it faces upward in the vertical
position.
6.
At this time, the value of 22 Other/X Tilt is read and
inputted in the 20 Other/Tilt C1.
7.
Secure the unit so that it faces downward in the
vertical position.
8.
At this time, the value of 22 Other/X Tilt is read and
inputted in the 21 Other/Tilt C2.
9.
Press the MEMORY key and save the adjustment
value.
n
Perform adjustment under the environment of 25
Perform adjustment under the environment of 25
±
5
dC.
2-5. White Balance Adjustment
Preparation before adjustment
1.
Input the 100 IRE XGA flat field signal to the INPUT-
A connector and allow the warm-up of 10 minutes
A connector and allow the warm-up of 10 minutes
aging at a minimum.
2.
Enter the Service Mode.
Press the keys in the following order.
[ENTER]
[ENTER]
→
[ENTER]
→
[(]
→
[)]
→
[ENTER].
The message [Do you want to enter the Service Mode?
Yes :
Yes :
↑
No :
↓
] appears.
Select [Yes :
↑
].
[Supplementary information: How to Exit the
Service Mode]
Service Mode]
Perform the step 2 KEY operation.
The message [Do you want to return to the User Mode?]
The message [Do you want to return to the User Mode?]
appears.
Select [Yes :
Select [Yes :
↑
].
2-5-1. HIGH Mode of INPUT-A
Input the XGA 10 STEP signal to the INPUT-A connector,
and see the chromaticity of each tone.
and see the chromaticity of each tone.
If the chromaticity of each mode deviates, perform the
following adjustment.
following adjustment.
Before adjusting each mode, confirm that CONTRAST is
80, BRIGHT is 50.
80, BRIGHT is 50.
Select Computer for the Input-A signal type.
1.
Input the 100 IRE XGA flat field signal to the INPUT-
A connector.
A connector.
2.
Measure the chromaticity (x, y). Set CONTRAST and
BRIGHT to MAX only during this measurement. After
BRIGHT to MAX only during this measurement. After
the adjustment is completed, set CONTRAST to 80,
and BRIGHT to 50.
and BRIGHT to 50.
3.
Input the 80 IRE XGA flat field signal to the INPUT-
A connector.
A connector.
4.
Adjust the chromaticity (x, y) to the one set in step 2
by GAIN R and GAIN B of the HIGH mode of W/B.
by GAIN R and GAIN B of the HIGH mode of W/B.
5.
Input the 30 IRE XGA flat field signal to the INPUT-
A connector.
A connector.
6.
Adjust the chromaticity (x, y) to the one set in step 2
by GAIN R and GAIN B of the HIGH mode of W/B.
by GAIN R and GAIN B of the HIGH mode of W/B.
7.
Repeat steps 3 to 6 above until the chromaticity (x
±
0.002, y
±
0.003) with reference to the chromaticity
that is measured at step 2 is obtained.
8.
Press the MEMORY key and save the adjustment value.
2-11
VPL-CX21/CS21
2-5-2. LOW Mode of INPUT-A
1.
The target chromaticity of the adjustment is (0.306,
0.325).
0.325).
2.
Input the 80 IRE XGA flat field signal to the INPUT-
A connector.
A connector.
3.
Adjust the GAIN R and GAIN B in the LOW mode of
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
4.
Input the 30 IRE XGA flat field signal to the INPUT-
A connector.
A connector.
5.
Adjust the GAIN R and GAIN B in the LOW mode of
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
6.
Repeat steps 2 to 5 above until the chromaticity (x
±
0.002, y
±
0.003) with reference to the chromaticity
that is measured at step 1 is obtained.
7.
Press the MEMORY key and save the adjustment value.
2-5-3. HIGH Mode of VIDEO
Set VIDEO GBR for the input A signal type.
1.
The target chromaticity of the adjustment is (0.285,
0.295).
0.295).
2.
Input the 80 IRE Component flat field signal to the
INPUT-A connector.
INPUT-A connector.
3.
Adjust the GAIN R and GAIN B in the HIGH mode of
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
4.
Input the 30 IRE Component flat field signal to the
INPUT-A connector.
INPUT-A connector.
5.
Adjust the GAIN R and GAIN B in the HIGH mode of
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
6.
Repeat steps 2 to 5 above until the chromaticity (x
±
0.002, y
±
0.003) with reference to the chromaticity
that is measured at step 1 is obtained.
7.
Press the MEMORY key and save the adjustment value.
2-5-4. LOW Mode of VIDEO
1.
The target chromaticity of the adjustment is (0.300,
0.310).
0.310).
2.
Input the 80 IRE Component flat field signal to the
INPUT-A connector.
INPUT-A connector.
3.
Adjust the GAIN R and GAIN B in the LOW mode of
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
4.
Input the 30 IRE Component flat field signal to the
INPUT-A connector.
INPUT-A connector.
5.
Adjust the GAIN R and GAIN B in the LOW mode of
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
W/B until the chromaticity (x, y) that is measured at
step 1 is obtained.
6.
Repeat steps 2 to 5 above until the chromaticity (x
±
0.002, y
±
0.003) with reference to the chromaticity
that is measured at step 1 is obtained.
7.
Press the MEMORY key and save the adjustment value.
2-12
VPL-CX21/CS21
2-6. Auto Focus (AF) Adjustment
Place this unit 1.75
±
0.1 m away from the screen (front projection).
Turn on the power of this unit. Set Status to ON and Tilt to 0, and then enter the Factory Mode.
1) Tele End Adjustment
1.
Press the Zoom “-” key and adjust the zoom position to the tele end.
2.
Press the Focus key. Adjust the focus to the optimal position by looking at the OSD showing “FO-
CUS” in the center of the screen.
3.
On “DeviceMENU”, select “Other”.
4.
Select “39 AF/AF Adjust”, and press once the right key on the main unit or the one on the remote
controller.
controller.
5.
Confirm that the value of “39 AF/AF Adjust” changes from “1” to “0”.
2) Wide End Adjustment
After completing the above adjustment, press the Zoom “+” key and adjust the zoom position to the wide
end.
Perform the above adjustment from steps 2 to 5.
Perform the above adjustment from steps 2 to 5.
3) AF Operation Check
1.
Press the Zoom “-” key, and adjust the zoom position to the tele end to throw the image out of focus.
2.
Press the Auto Focus key, and check that the focus is correctly adjusted.
3.
Press the Zoom “+” key, and adjust the zoom position to the wide end to throw the image out of
focus.
focus.
4.
Press the Auto Focus key, and check that the focus is correctly adjusted.
m
. Once the AF adjustment is completed, be sure to check the AF operation.
. Perform AF adjustment while projecting an actual image on the screen.
. Once the AF adjustment is completed, be sure to check the AF operation.
. Perform AF adjustment while projecting an actual image on the screen.
If the projection surface is not flat, or the image is projected on a wall other than a screen, the adjust-
ment may not be performed correctly.
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