Monday, June 06, 2016

Panasonic projectors - Panasonic PT-F200 - PT-F200E – How to enter to ext option menu – Self check mode access – Flickering adjustment – Disassembling procedure – Ballast Schematic diagram

Ext Option

This projector has EXT OPTION in addition to standard on-screen menus.
There are SELF CHECK and TEST PATTERN for service, etc.
Procedure to enter EXT OPTION
1. Press "MENU" button on the main unit or remote control unit to display "MENU" screen, then select "OPTION" and press "ENTER" button.
2. Select "INPUT GUIDE" on "OPTION" menu and press "ENTER" button 3 seconds or longer.
MENU > OPTION > INPUT GUIDE
Self-Check Mode
This mode is used to narrow down the location of the failure.
Procedure to enter the self-check mode
Select "SELF CHECK" on "EXT OPTION" menu and press "ENTER" button on the main unit or remote control unit.
Test Pattern
This projector displays seven kinds of test patterns [Horizontal lines, Vertical lines, Dots, Crosshatch, White cross, Black cross and
White (No pattern)] in the four colors (White, Red, Green and Blue).
Note:
Because the above patterns can be displayed by each color without test equipment such as PC or SG, use it for simplified adjustments by your eyes and so on.
Procedure to display test patterns
Select "TEST PATTERN" on "EXT OPTION" menu and press "ENTER" button on the main unit or remote control unit.
Note:
On the test pattern screen, pressing the up-arrow  or down-arrow button allows the test pattern selection and the left-arrow or right-arrow  button the color selection (White / Red / Green / Blue).
Flicker Adjustment Mode
If replacing the optical parts (LCD Panel / LCD block) of this projector and/or A-P.C.Board (assembly), enter the flicker adjustment
mode and minimize the flicker.
Procedure to enter the adjustment mode
Select "FLICKER ADJUST" on "EXT OPTION" menu and press "ENTER" button on the main unit or remote control unit.
Note:
"DESK setting (blue)" is displayed when entering the adjustment mode.
Adjustment Display and Contents
Setting value is increased and decreased with the right-arrow and left-arrow buttons. : Decrease , right arrow: Increase
Adjust the setting value to minimize the flicker on the screen.
Execute the adjustment by 6 patterns below.
The pattern (adjustment display) is switched with the up-arrow and down-arrow buttons.: Forward direction, : Reverse direction.
There are 6 patterns of "DESK setting (blue)", "DESK setting (red)", "DESK setting (green)", "CEILING setting (blue)", CEILING setting (red)" and "CEILING setting (green)".
The setting value is saved into this projector when the pattern is switched.
Canceling the flicker adjustment mode
Press "MENU" button on the main unit or remote control unit.
Note:
When "MENU" button is pressed, the setting value at that time is saved into this projector and the adjustment mode is canceled.
DISASSEMBLING
Removal of Upper Case
1. Turn the projector upside down.
2. Unscrew the 8 screws.
3. Return the projector to the normal position.
4. Lift the upper case upward.
5. Disconnect the flexible cable between D-P.C.Board and RP.C.Board, then remove the upper case.
Convergence Adjustment
Execute this adjustment when replacing the LCD panel (B) .
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.
Preparation
1. Loosen 2 screws fixing the panel adjuster and 2 screws fixing the panel attachment, then tighten the 4 screws temporarily just until the LCD panel can be shifted by your finger.
2. Reassemble the projector in the reverse order of disassembling, but leave the upper case and the screws fixing the AP.C.Board block as they are removed.
3. Disconnect the connector between L-P.C.Board and A-P.C.Board (A26).
4. 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
5. 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.
Adjustment Procedure
Prepare 2 pieces of thick black paper (23 mm × 100 mm) that can be shaded.
Cover and shade LCD panels (R) and (G) with the paper.
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.

BALLAST CIRCUIT DIAGRAM 
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