Panasonic PT-AX100U Service Manual page 23

Note:
· See figures in the section 6.12. "Replacement of LCD Panel (B)" for 2 screws fixing the panel adjuster and 3 screws
fixing the panel attachment.
2. Reassemble the projector in the reverse order of disassembling, but leave the upper case and the screws fixing the A-
P.C.Board block as they are removed.
3. Connect the service kit (extension cables).
· Each flexible cable of LCD Panels (R/G/B) - Connectors (A1/A2/A3) on A-P.C.Board
· Thermosensor (Intake air) connector - Connector (A7) on A-P.C.Board
· Intake fan connector - Connector (A15) on A-P.C.Board
· Power fan connector - Connector (A16) on A-P.C.Board
· Lamp fan connector - Connector (A18) on A-P.C.Board
4. Covering with an insulator (cloth or the like) to prevent a short circuit, set the A-P.C.Board block on the main unit.
Note:
· Handle with care not to apply external force to connecting parts which connect the main unit and A-P.C.Board.
7.4.3. Adjustment Procedure
Prepare 2 pieces of thick black paper (23 mm × 100 mm) that can be shaded.
· Cover and shade LCD panels with the paper except the panel that attempts to be adjusted.
1. Display the green crosshatch pattern and adjust the lens focus.
2. Display green and blue crosshatch patterns.
3. Adjust focus by shifting the panel adjuster for LCD panel (B) back and forth, then tighten the 2 screws.
4. Adjust the LCD panel (B) position so that the vertical center of blue crosshatch pattern is overlapped with the vertical center of
green crosshatch pattern.
5. Adjust the LCD panel (B) position so that the horizontal center of blue crosshatch pattern is overlapped with the horizontal
center of green crosshatch pattern.
6. Correct the tilt of the blue crosshatch pattern by adjusting the LCD panel (B) position.
7. Display green, red and blue crosshatch patterns and confirm the convergence. If it is necessary, fine adjust the convergence
so that the blue crosshatch pattern is overlapped with green one.
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PT-AX100U / PT-AX100E