HOW TO REMOVE LAMP UNIT – LENS & HOW TO REPLACE LCD PANEL - PANASONIC LCD PROJECTOR - PT-LB60NTU / PT-LB60NTE / PT-LB60NTEA / PT-LB60U / PT-LB60EA / PT-LB55NTE / PT-LB55NTEA / PT-LB55EA

LAMP UNIT REMOVAL

• Turn the projector upside down.
• Loosen the 2 screws until they idle, remove the lamp unit cover.
• Loosen the 2 screws until they idle, remove the lamp unit with the handle.

When installing the lamp unit (or a new one) in the main unit, place it in a specified position and press the connector side and the opposite side of the lamp unit (arrow positions shown in the figure below), and confirm the lamp unit is inserted securely.  Then, tighten the 2 screws fixing the lamp unit, and attach the lamp unit cover.

REMOVAL OF ANALYSIS BLOCK AND THE LENS

• Remove the lamp unit.
• Remove the A-P.C.Board block.
• Unscrew the 3 screws and remove the analysis block, LCD block and lens.
• Unscrew the 4 screws A and remove the lens.
• Unscrew the 2 screws B and remove the LCD block (the analysis block remains).

REMOVAL & REPLACEMENT OF LCD BLOCK

• Remove the A-P.C.Board block.
• Unscrew the 2 screws and remove the LCD block.
• Note:  Be careful not to touch the surface of prism and LCD panel.

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• Remove the LCD block.

Note: Be careful not to touch the surface of prism and LCD panel.

• Cut the 4 LCD panel installation spindles at the position A and remove the LCD panel.
• Cut the 4 LCD panel installation spindles at the position B and remove them.

Notes:

Work carefully not to apply external force around the spindle part by using a cutter, cutting nipper or the like for cutting the spindle.

Adjust the height after the spindle is cut to 1 mm or less.

• Attach the base plate with 4 screws.
• Tighten the 2 screws temporarily just until new LCD panel (with the panel attachment and panel adjuster) can be shifted by your fingers.

Note: The panel adjuster complete set (adjuster, attachment and base plate) is the option for service.

• 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.
• Adjust the convergence according to the "Convergence Adjustment".
• After the adjustment, while paying attention not to vary the adjusting result, tighten the 2 screws fixing the panel attachment with a hexagon head wrench.
• Reassemble the projector as it was.

Note: Prepare a hexagon head wrench processed short.