Lighting Area Adjustment - Panasonic PT-LB10NTU Service Manual

PT-LB10NTU / PT-LB10NTE / PT-LB10U / PT-LB10E / PT-LB10VU / PT-LB10VE / PT-LB10SU / PT-LB10SE
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 red and/or blue crosshatch pattern
is overlapped with green one.
8.5.

Lighting Area Adjustment

8.5.1. 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.
8.5.2. Preparation
1. Remove the connector panel and grounding metal (2)
according to the steps 1 through 4 in the section 7.3.
"Removal of A-P.C.Board".
2. Unscrew the screws (PT-LB10NTU/E: 5, Others: 2).
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.
8.5.3. Adjustment Procedure
8.5.3.1. Outline
When the lighting area is off from the adjustment and color
unevenness appears, adjust the lighting area into correct
position.
Symptom
Magenta unevenness G Reflector Adjustment
Cyan unevenness R Reflector Adjustment
Yellow unevenness B Reflector Adjustment
· Shifting the mirror adjusting lever horizontally, adjust color
unevenness on the screen upper/lower sides.
· Twisting the mirror adjusting lever, adjust color unevenness
on the screen right/left sides.
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Measure