Adjustment Item And A Procedure; Polarizer Adjustment - Panasonic PT-EZ770Z Service Manual

SECTION 3 ADJUSTMENTS

1. Adjustment item and a procedure

When the following parts are disassembled or replaced, please adjust the items according to the table below.
Adjustment Item

1.1. Polarizer adjustment

1.2. Convergence adjustment
1.3 Flicker adjustment
1.4. EEPROM data transfer
1.5 G amma data/Color uniformity
correction data transfer
1.6. Model information setup
1.7. Clog sensor calibration
1.8. Date and time setup
[Note] W hen using the service software with RS-232C terminal, if the [EMURATE] setting of [RS232C] is set to "Other compa-
nies", return its setting to "FACTORY DEFAULT".
1. 1. Polarizer adjustment
1. 1. 1. Preparation
1. Loosen the screw-(A) on the lamp cover and slide it until the screw-(B) on the prism cover appears.
2. Loosen the screw-(B) and take the prism cover out.
3. Close the lamp cover and tighten the screw-(A).
* The interlock switch on the [A]-P.C.Board is turned on.
A
Replaced Component
Optical block, Each polarizer (IN)
Optical block
Optical block / [A]-P.C.Board
[A]-P.C.Board
[A]-P.C.Board
[A]-P.C.Board
[A]-P.C.Board / [Z]-P.C.Board
[A]-P.C.Board
ADJ-2
Remarks
Adjust if there are the color shading on the
screen
Transfer the data from old [A]-P.C.Board to new
one
Transfer the data from old [A]-P.C.Board to new
one
Not necessary when the item "1.4. EEPROM data
transfer" was taken
B