Lighting Area Adjustment - Panasonic PT-FW300NTU Service Manual

PT-FW300NTU / PT-FW300NTE / PT-FW300NTEA / PT-FW300U / PT-FW300E / PT-FW300EA / PT-F300NTU / PT-F300NTE / PT-F300NTEA / PT-F300U / PT-F300E / PT-F300EA
9.4.

Lighting Area Adjustment

9.4.1. Tools to be used
Service Kit (Part No. TZSH07022) : This kit is composed of 3 extension flexible cables.
Note:
· Consult your dealer or Authorized Service Center for the service kit.
9.4.2. Preparation
1. Remove the upper case and the connector cover according to the steps 1 and 2 in the section 8.3. "Removal of A-P.C.Board".
2. Unscrew the 3 screws.
3. Disconnect the connector between L-P.C.Board and A-P.C.Board (A26).
4. Disconnect the connector between ACF Drive Unit and A-P.C.Board (A23).
5. Connect the service kit (extension flexible cables).
· Each flexible cable of LCD Panels (R/G/B) - Connectors (A1/A2/A3) on A-P.C.Board
6. 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.
9.4.3. Adjustment Procedure
9.4.3.1. 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
27
Measure