Sony RM-PJAW15 / RM-PJHW15J / RM-PJVW70 / VPL-HW10 / VPL-HW15 Service Manual ▷ View online
2-1
VPL-HW10
Section 2
Electrical Adjustments
2-1. Preparations
2-1-1. Required Equipment
. Oscilloscope
Tektronix 2465 or equivalent
(bandwidth: 350 MHz or more)
. NTSC, PAL, SECAM component signal generator
Tektronix TG2000
+AVG1 (optional module) +AWVG1
(optional module) or equivalent
. VG (Programmable video signal generator)
VG849C or equivalent
. Digital voltmeter
Advantest TR6845 or equivalent
. Luminance meter
. Chrominance difference gauge
. Chrominance difference gauge
n
Perform the following adjustments at least 15 minutes after turning on the power.
Perform the following adjustments at least 15 minutes after turning on the power.
2-1-2. How to Enter the Service Mode
1.
Set the “Status” to “On” in the “Setup” MENU.
2.
Close the menu by pressing [MENU] button if its displayed.
3.
Press the buttons in the following order in 5 seconds:
“
”
→
“
”
→
“
”
→
“
”
4.
The message “Do you wish to enter into the
SERVICE MODE? Yes No” will be displayed.
5.
Select “Yes”.
n
When leaving the SERVICE MODE, perform step 3.
“Do you wish to return to the USER MODE? Yes No” will be displayed. Select “Yes”.
When leaving the SERVICE MODE, perform step 3.
“Do you wish to return to the USER MODE? Yes No” will be displayed. Select “Yes”.
. Note that when the items (W/B, Device Adjust) that can be adjusted in the Service mode are adjusted
and stored in memory, they are saved in NVM and the factory default data will be lost.
. Be sure to perform “Save to memory” after entering and exiting the Gamma adjustment mode. If the
values are changed in the Gamma adjustment mode and you want to reset to the original value, turn off
the power of the unit and turn it on again. The UF data does not change even if the mode for Advanced
the power of the unit and turn it on again. The UF data does not change even if the mode for Advanced
Iris in Cinema Black Pro in Picture Adjust is changed without performing “Save to memory”. When
“Save to memory” is performed at that time, the UF data of each Iris mode will be overwritten and lost.
“Save to memory” is performed at that time, the UF data of each Iris mode will be overwritten and lost.
2-2
VPL-HW10
2-1-3. How to Enter the Model Name Display (Shop Demonstration) Mode
1.
If the menu is being displayed, press the [MENU] button to close the menu.
2.
Press the buttons within 5 seconds in the following order:
“
”
→
“ ”
→
“ ”
→
“
”
Even if the message “Not applicable!” is displayed, ignore it. If the key operations failed, wait for at
least 6 seconds since the last key is pressed, and perform the key operations again.
3.
“Do you wish to display the model name? Yes No” is displayed.
4.
Select “Yes”.
n
To exit the Model Name Display mode, perform step 2. “Do you wish to display the model name? Yes
To exit the Model Name Display mode, perform step 2. “Do you wish to display the model name? Yes
No” is displayed. Select “No”.
2-2. Service Know-How
2-2-1. When the Optical Unit Assembly is Replaced
1.
Write the LookUpTable/3DGamma/OGMTable/CSMatrixTable data contained in the attached CD-R.
See “2-7-4. Data Write Method of LookUpTable/3DGamma/DDC/OGMTable/CSMatrixTable” for
more about how to write data.
more about how to write data.
2.
Change the IRIS data to the values of the IRIS adjustment data stored in the supplied CD-R. For how
to change the data, refer to “2-4-1. IRIS”.
to change the data, refer to “2-4-1. IRIS”.
3.
Change the Panel Driver Gain B data to the values of the adjustment data stored in the supplied CD-
R.
R.
For how to change the data, refer to “2-4-2. Panel Driver Gain B”.
2-3
VPL-HW10
2-2-2. When Replacing the QA Board
n
If possible, take note the each value of the IRIS/OGMTable/Panel driver Gain B on the board before
If possible, take note the each value of the IRIS/OGMTable/Panel driver Gain B on the board before
replacing.
1.
Change the IRIS data to the values of the IRIS adjustment data before replacement.
(For the method to change the IRIS data, refer to “2-4-1. IRIS”.)
(For the method to change the IRIS data, refer to “2-4-1. IRIS”.)
In case if the data cannot be changed, perform the IRIS adjustment.
(For the IRIS adjustment, refer to “2-5. IRIS Adjustment.” )
(For the IRIS adjustment, refer to “2-5. IRIS Adjustment.” )
2.
Obtain the former OGMTable data from the original QA board before replacement as follows.
(For the method of obtaining the former OGM Table data from the original QA board before replace-
(For the method of obtaining the former OGM Table data from the original QA board before replace-
ment, refer to “2-7-5. Data Obtain Method of the LookUpTable/3DGamma/DDC/OGMTable/
CSMatrixTable Data from the Board”.)
CSMatrixTable Data from the Board”.)
Write down the obtained OGMTable data as follows.
(For the method of writing down the obtained OGMTable data, refer to “2-7-4. Data Write Method of
(For the method of writing down the obtained OGMTable data, refer to “2-7-4. Data Write Method of
LookUp Table/3DGamma/DDC/OGMTable/CSMatrixTable”.)
In case if the former OGMTable data cannot be obtained from the original QA board before replace-
In case if the former OGMTable data cannot be obtained from the original QA board before replace-
ment, perform the W/B adjustment.
(For the W/B adjustment, refer to “2-3. White Balance Adjustment on Servicing”.)
(For the W/B adjustment, refer to “2-3. White Balance Adjustment on Servicing”.)
3.
Return the Panel Driver/Gain B value back to its original value before the QA board is replaced.
(For the method of returning the above value to the original value, refer to “2-4-2. Panel Driver Gain
(For the method of returning the above value to the original value, refer to “2-4-2. Panel Driver Gain
B”.)
In case if the data cannot be changed, perform the Panel Driver Gain B Adjustment.
In case if the data cannot be changed, perform the Panel Driver Gain B Adjustment.
(For the method of Panel Driver Gain B Adjustment, refer to “2-6. Panel Driver Gain B Adjust-
ment”.)
ment”.)
2-2-3. When Replacing the C Board
Remove IC200 from the old C board and install it to the new C board before replacement.
2-2-4. When the GA, GB, HA, HB, NF, QB, TL, U, or V Board is Replaced
No particular adjustments are needed.
2-4
VPL-HW10
2-3. White Balance Adjustment on Servicing
Preparation
Set Picture Mode to “Cinema” and make the following settings.
Contrast: 90
Bright: 50
Bright: 50
Color: 50
Hue: 50
Hue: 50
Gamma Correction: OFF
Advanced Iris: OFF
Advanced Iris: OFF
Lamp Control: High
Set each GAIN and each BIAS for RGB to 128.
Bring the ZOOM position of the lens to the center.
Bring the ZOOM position of the lens to the center.
2-3-1. High Mode of Video
1.
Set Color Temp to “High”.
2.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the HDMI1 terminal and adjust BIAS of white
balance for R and B until the chromaticity (x20, y20) satisfies the specification.
Specification (VPL-HW10): (x20, y20) = (0.284
±
0.002, 0.298
±
0.002)
Specification (VPL-HW15): (x20, y20) = (0.276
±
0.002, 0.288
±
0.002)
3.
Input 1080/60i 80 IRE flat field (RGB 3 color) into the HDMI1 terminal and adjust GAIN of white
balance for B and G until the chromaticity (x80, y80) satisfies the specification.
Specification (VPL-HW10): (x80, y80) = (0.284
±
0.002, 0.298
±
0.002)
Specification (VPL-HW15): (x80, y80) = (0.276
±
0.002, 0.288
±
0.002)
4.
Repeat the adjustments at 80 IRE and 20 IRE until the each specification is satisfied.
5.
Save the adjusted values.
2-3-2. Middle Mode of Video
1.
Set Color Temp to “Middle”.
2.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the HDMI1 terminal and adjust BIAS of white
balance for R and B until the chromaticity (x20, y20) satisfies the specification.
balance for R and B until the chromaticity (x20, y20) satisfies the specification.
Specification: (x20, y20) = (0.294
±
0.002, 0.310
±
0.002)
3.
Input 1080/60i 80 IRE flat field (RGB 3 color) into the HDMI1 terminal and adjust GAIN of white
balance for B and G until the chromaticity (x80, y80) satisfies the specification.
Specification: (x80, y80) = (0.294
±
0.002, 0.310
±
0.002)
4.
Repeat the adjustments at 80 IRE and 20 IRE until the each specification is satisfied.
5.
Save the adjusted values.
Click on the first or last page to see other RM-PJAW15 / RM-PJHW15J / RM-PJVW70 / VPL-HW10 / VPL-HW15 service manuals if exist.