Thursday, May 19, 2016

Sony bravia projector - Sony VPL-VW60 – How to enter to service mode – How to adjust white balance – Power supply board Schematic diagram – Projector repair and service

Service Mode Setting

1. Set the “Screen” of "Preferences” to “On” in the MENU.
2. MENU is erased.
3. Press the buttons in the following order:
ENTER > ENTER > LEFT ARROW > ENTER
4. The message “Do you wish to enter into the SERVICE MODE? Yes No” will be displayed.
5. Select “Yes”.
NOTE
When leaving the FACTORY MODE, perform item 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 Factory 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 the original values cannot be restored, turn off the power to 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.
Model Name Display (Shop Demonstration) Mode Setting
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:
ENTER > UP ARROW > DOWN ARROW > ENTER
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”.
NOTE
To exit the Model Name Display mode, perform step 2.
“Do you wish to display the model name? Yes No” is displayed. Select “No”.
White Balance Adjustment on Servicing
Preparation
Set Picture Mode to “Cinema” and make the following
settings.
Contrast: 80
Bright: 50
Color: 50
Hue: 50
Sharpness: 10
NR: OFF
Black Level Adjust: OFF
Gamma Correction: OFF
Advanced Iris: OFF
Set each GAIN and each BIAS for RGB to 128.
Bring the ZOOM position of the lens to the center.
Adjustment
High
Set Color Temp to “High”.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the HDMI1 terminal and adjust R for white balance and BIAS for B until the chromaticity (x20, y20) is as close as the following value.
(x20, y20) = (0.2830, 0.2937)
Input 1080/60i 80 IRE flat field (RGB 3 color) into the HDMI1 terminal and adjust B for white balance and GAIN for G until the chromaticity (x80, y80) is as close as the following value.
(x80, y80) = (0.2827, 0.2943)
Continue adjusting 80 IRE and 20 IRE until they are as close as the target values.
# If the Bias value for R rises to 130 or more, redo the adjustments with R128 as the adjustment standard.
Save the adjusted values.
Middle
Set Color Temp to “Middle”.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the HDMI1 terminal and adjust R for white balance and BIAS for B until the chromaticity (x20, y20) is as close as the following value.
(x20, y20) = (0.2921, 0.3029)
Input 1080/60i 80 IRE flat field (RGB 3 color) into the HDMI1 terminal and adjust B for white balance and GAIN for G until the chromaticity (x80, y80) is as close as the following value.
(x80, y80) = (0.2912, 0.3064)
Continue adjusting 80 IRE and 20 IRE until they are as close as the target values.
# If the Bias value for R rises to 130 or more, redo the adjustments with R128 as the adjustment standard.
Save the adjusted values.
Low
Set Color Temp to “Low”.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the HDMI1 terminal and adjust B for white balance and BIAS for R until the chromaticity (x20, y20) is as close as the
following value.
(x20, y20) = (0.3145, 0.3398)
Input 1080/60i 80 IRE flat field (RGB 3 color) into the component terminal and adjust B for white balance and GAIN for G until the chromaticity (x80, y80) is as close as the following value.
(x80, y80) = (0.3129, 0.3389)
Continue adjusting 80 IRE and 20 IRE until they are as close as the target values.
# If the Bias value for R rises to 130 or more, redo the adjustments with R128 as the adjustment standard.
Save the adjusted values.
CUSTOM
Set Gain and Bias for CUSTOM 1 to 3 to the following values.
CUSTOM 1: Set the Bias value for R/G/B to 128, and the
Gain value for R/G/B to +30.
CUSTOM 2: Copy the Gain and Bias values for MIDDLE, and set the Gain value for R/G/B to 0.
CUSTOM 3: Copy the Gain and Bias values for LOW, and set the Gain value for R/G/B to 0.
Save the set values.
Switch the Advanced Iris between “AUTO1” and “MANUAL”, and adjust each setting.
There are 6 types of adjustment data for color temperature and 3 types for Advanced Iris, for a total of 18 types.