Panasonic PT-L759U Service Manual page 51

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Set Up :
If you replace LCD Red Unit, perform
- Supply Green Crosshatch Pattern Signal and project on the screen.
- Rotate the focus ring so that the whole screen is in focus.
1. Supply Red Crosshatch Pattern Signal and project on the screen.
2. Loosen screws (A), (B) and (C) of LCD Red Unit.
3. Insert a (-) screwdriver into Portion (a) and twist it to adjust the
focus on the lower center portion of the screen (Portion (1)).
After the adjustment, tighten screw (A) slightly.
4. Insert a (-) screwdriver into Portion (b) and twist it to adjust the
focus on the upper right portion of the screen (Portion (2)).
After the adjustment, tighten screw (B) slightly.
5. Insert a (-) screwdriver into Portion (c) and twist it to adjust the
focus on the upper left portion of the screen (Portion (3)).
After the adjustment, tighten screw (C) slightly.
6. Confirm that the lower center portion of the screen (Portion (1)) is
in focus. If it is out of focus, repeat steps 3 through 5.
7. Confirm that the whole screen is in focus, and then tighten
screws (A), (B), and (C).
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