Electrical Adjustments; Preparations; Required Equipment; How To Enter The Service Mode - Sony VPL-VW528 Service Manual

2-1. Preparations

Perform the adjustments at least 15 minutes after turning on the power.

2-1-1. Required Equipment

. VG (Programmable video signal generator)
. Chrominance difference gauge

2-1-2. How to Enter the Service Mode

1. Display the menu by remote controller or pressing [MENU] button of this unit.
2. Set the "Status" to "On" in the "Setup" MENU.
3. Close the menu by pressing [MENU] button if its displayed.
4. Press the buttons in the following order in 5 seconds:
" " → " " → " " → " "
5. The message "Do you wish to enter into the SERVICE MODE? Yes No" will be displayed.
6. Select "Yes".
How to exit the service mode
When leaving the SERVICE MODE, perform step 4.
"Do you wish to return to the USER MODE? Yes No" will be displayed. Select "Yes".
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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.

2-1-3. How to Enter the Model Name Display (Shop Demonstration) Mode

1. Display the menu by remote controller or pressing [MENU] button of this unit.
2. Set the "Status" to "On" in the "Setup" MENU.
3. Close the menu by pressing [MENU] button if its displayed.
4. Press the buttons in the following order in 5 seconds:
" " → " " → " " → " "
Demonstration mode screen is displayed.
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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.
5. Select "Model Name Display".
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To exit the Model Name Display mode, perform step 3.
"Demonstration mode screen" is displayed. Select "Off".
VPL-VW520
Section 2

Electrical Adjustments

2-1 (E)