Sony KP-48PS2 / KP-61PS2 Service Manual ▷ View online
– 25 –
KP-48PS2/61PS2
K
RM-903
2. Blue Adjustment
1) Place a cap on the red lens so that green and blue colors are
displayed.
2) Press “3” button on the commander to select BLU mode.
3) Adjust the following items so that blue lines overlap with
green lines.
• BLU CENT (horizontally/vertically)
Adjust so that the pictures coincide in the center of screen.
• BLU SKEW (horizontally/vertically)
Correct the tilt of horizontal lines and vertical lines.
• BLU LIN (horizontally)
Adjust so that each space at the right end and at the left end of
screen is equal.
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
• BLU SIZE (horizontally/vertically)
Adjust so that each distance from center to left end and to right
end is equal.
Adjust so that each distance from center to top and to bottom is
equal.
• BLU PIN (vertically)
Adjust so that upper and lower horizontal lines on the screen be-
come straight.
• BLU KEY (vertically)
Adjust so that upper and lower horizontal lines on the screen be-
come parallel.
4) Press “9” button on the commander to enter the fine adjust-
ment mode.
5) Make fine adjustment so that horizontal lines and vertical lines
overlap with green lines.
6) Press “9” button on the commander to return to the rough
adjustment mode.
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
Push the joystick to
– 26 –
KP-48PS2/61PS2
K
RM-903
3. Red Adjustment
1) Place a cap on the blue lens so that green and red colors are
displayed.
2) Press “3” button on the commander to select RED mode.
3) Hereinafter, use same manner as that of blue adjustment to
adjust so that the red lines overlap with green lines.
4. Registration Data Writing
1) After each adjustment of green, blue, and red for the
DRC100 (PAL) mode finished, press “
(MUTE)”+“-”
buttons on the commander to write registration data to the
NVM.
<Copy of Registration Data>
1. Make sure that the adjustment for DRC100 (PAL) mode fin-
ished and the data have already been written.
2. Select the Projector Engine mode.
3. Press “2”+“-” button on the commander.
4. The data of DRC100 (PAL) mode are copied to all other
modes.
<Adjustment for DRC50 (PAL) Mode>
1. Enter the PAL SPCB signal to set the DRC50 (PAL) mode.
2. Select the Projector Engine mode.
3. Press “6” button on the commander to display internal test
signal (crosshatch).
4. Press “9” button on the commander to enter the fine adjust-
ment mode.
5. Using the lens caps as necessary, perform a fine adjustment
so that green, blue, and red vertical lines and horizontal lines
become straight, and respective color lines overlap with
green lines.
6. Press “9” button on the commander to return to the rough
adjustment mode.
7. After each adjustment of green, blue, and red for the DRC50
(PAL) mode finished, press “
(MUTE)”+“-” buttons on
the commander to write registration data to the NVM.
DRC50
(PAL)
DRC100
(PAL/16:9)
DRC100
(PAL)
DRC100
(NTSC)
DRC50
(NTSC)
Copy Registration Data.
<Copy of Registration Data from PAL to NTSC>
1. Make sure that the adjustment for DRC50 (PAL) mode fin-
ished and the data have already been written.
2. Select the Projector Engine mode.
3. Press “
(ON SCREEN DISPLAY)”+“-” buttons on the
commander.
4. Respective data of DRC50 (PAL) mode and DRC100 (PAL)
mode are copied to the NTSC mode.
<Adjustment for DRC100 (PAL/16 : 9) Mode>
1. Place the caps on the red and blue lenses so that only the
green color is displayed.
2. Enter the PAL SPCB signal to set the DRC100 (PAL) mode.
3. Set the screen format to 16 : 9.
4. Select the Projector Engine mode.
5. Press “6” button on the commander to display internal test
signal (crosshatch).
6. Select “GRN SIZE”, and press v or V key on the joystick to
fix the data in vertical direction to “–150”.
7. Select “GRN PIN” and adjust so that upper and lower hori-
zontal lines on the screen become straight.
8. Fix the other item data.
9. Press “9” button on the commander to enter the fine adjust-
ment mode.
10. Make a fine adjustment so that horizontal lines and vertical
lines become straight.
11. Press “9” button on the commander to return to the rough
adjustment mode.
12. Hereinafter, use same manner as that of adjustment for
DRC100 (PAL) mode to perform the blue and red adjust-
ments.
13. After each adjustment of green, blue, and red
for the DRC100 (PAL/16 : 9) mode finished, press
“
(MUTE)”+“-” buttons on the commander to write reg-
istration data to the NVM.
14. Set the screen format to 4 : 3.
DRC50
(PAL)
DRC50
(NTSC)
DRC100
(PAL)
DRC100
(NTSC)
Copy Registration Data from PAL to NTSC.
– 27 –
KP-48PS2/61PS2
K
RM-903
5-3. AUTO CONVERGENCE OFFSET
This adjustment must be performed after the registration adjust-
ment was made or after readjustment was made by any reason.
1. Darken the periphery of this set.
2. Enter the PAL SPCB signal to set the DRC100 (PAL) mode.
3. Select the Projector Engine mode.
4. Press “
(AUTO CONVERGENCE)” button on the front
panel of the set.
5. Select “29 ERR” of Projector Engine mode and confirm
ERR data value is “00” .
6. In the same manner, select DRC50 (PAL) and DRC100
(PAL/16 : 9) modes respectively, and press the “
(AUTO
CONVERGENCE)” button in the Projector Engine mode.
7. Enter the NTSC signal, and perform the same steps in the
DRC100 (NTSC) and DRC50 (NTSC) modes respectively.
5-4. PICTURE CENTER ADJUSTMENT
1. Enter the SPCB signal.
2. Select the TT mode, and press “3”+“2” buttons on the
commander.
TT32 : Horizontal center adjustment for MID-X input
3. Pressing b or B key on the joystick, move the picture in
horizontal direction to center the picture on the OSD mark.
4. Press “
(TV MODE)” or “
(OK)” button on the com-
mander to return to normal TV mode.
Adjust picture center to
the position of this OSD mark.
the position of this OSD mark.
5-5.
WHITE BALANCE ADJUSTMENT
1. Enter the monoscope signal.
2. Press “MENU” button on the commander to enter the Picture
Adjustment menu.
3. Set the Picture Mode to “Personal”, and the Digital Mode to
“DRC100”.
4. Enter the Service menu, and select “Device Register Set-
ting”
b “Backend”.
5. Adjust “13 Sub Bright” so that 10 IRE section barely grows.
6. Enter all-white pattern signal.
7. Fix “17 G-Cutoff” to “31”, and adjust “15 R-Cutoff” and “19
B-Cutoff” so as to attain the optimum white balance.
8. Adjust “13 Sub Bright” so that 100 IRE section barely
grows.
9. Adjust “10 R-Drive” and “12 B-Drive” so as to attain the
optimum white balance.
10. Repeatedly adjust the white balance for the minimum and
maximum picture setting.
5-6.
SUB BRIGHT ADJUSTMENT
1. Enter the monoscope signal.
2. Press “MENU” button on the commander to enter the Picture
Adjustment menu.
3. Set respective items as follows:
• Picture Mode
c Personal
• AI (Artificial Intelligence)
c OFF
• Contrast
c Minimum
• Brightness
c 50%
4. Enter the Service menu, and select “Device Register Set-
ting”
b “Backend”.
5. Adjust “13 Sub Bright” so that the border between 0 IRE and
10 IRE becomes distinct.
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KP-48PS2/61PS2
K
RM-903
5-7.
SUB COLOR ADJUSTMENT
1. Enter the color bar signal.
2. Connect the oscilloscope probe to the CN4500 pin 5 on the E
board.
3. Enter the Service menu, and set respective items as follows.
However, record current set values so that they can be re-
stored later.
1) Select “Device Register Setting”
b “Backend”.
• 1 D-Col
c OFF
• 2 Contrast
c 31
• 5 Color
c 31
• 18 DPIC-Level
c 0
• 20 DC-Tran.
c 0
2) Select “Initializing”
b “Feature Setting”.
• 6 PictBoostBypass
c ON
4. Select “Device Register Setting”
b “Backend”.
5. Measure waveform, and adjust “29 Sub Color” so that the
height of “a” and “b” is same as shown in figure.
6. Return the data set in step 3 to original values.
5-8. SUB COLOR OFFSET (61 inch model only)
1. Confirm the result performed in
5-7. SUB COLOR AD-
JUSTMENT
.
2. Enter the Service menu, and select “Device Register Set-
ting”
b “Backend”.
3. Select “29 Sub Color”, and set existing data value +2.
(61 inch model only)
a
b
Same level
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