8.2. Cautions for Adjustment
·
Never unplug the power cord until the power indicator
on the projector illuminates red.
·
To maintain and ensure safety, always use the
designated components for replacement parts.
·
If removing any clamps, lead wires or connectors,
always place them back in their proper locations.
·
Be careful not to damage the lead wires or components
when using a soldering iron or similar tool.
8.3. Setting Before Adjustment
·
Set up the projector to obtain the projection distance below.
·
Turn the zoom ring of the projector to obtain the largest size
of the picture.
8.4. Convergence Adjustment
Execute this adjustment when replacing the LCD panel .
8.4.1. Tools to be used
Service Kit (Part No. TZSH07015): This kit is composed of 3
extension flexible cables and 3 connector extension cables.
Note:
·
Consult your dealer or Authorized Service Center for the
service kit.
8.4.2. Preparation
1. Loosen 2 screws fixing the panel adjuster and 3 screws
fixing the panel attachment, then tighten the 5 screws
temporarily just until the LCD panel can be shifted by your
fingers.
Note:
·
See figures in the section 7.13. "Replacement of
LCD Panel" 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
·
Power fan connector - Connector (A16) on A-P.C.Board
·
Exhaust fan connector - Connector (A17) on A-
P.C.Board
·
PBS fan connector - Connector (A19) 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.
8 Measurement and Adjustments
8.1. Adjustment Procedure Flowchart
24
PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA