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Warning Order No. TSD0806S004
This service information is designed for experienced repair technicians only and is not designed for use by the
general public. It does not contain warnings or cautions to advice non-technical individuals of potential dangers in
attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced
professional technicians. Any attempt to service or repair the product or products dealt with in this service manual by
anyone else could result in serious injury or death.

Service Manual
PT-D4000

Subject : CW INDEX Adjustment.

Please use this service information together with the Service Manual as follows :
Model No. Order No. Modification applied from

PT-D4000U/E VED0708382A0 -

The service manual for the subject posted on the service website did not include certain information.
The following is the additional information.

CW INDEX "EXT OPTION" is added to the MENU.

When the color wheel is replaced, adjusts it with and buttons.

"Red gradation" is used for CW INDEX adjustment.
a. Decrease CW INDEX setting value from the default value (426) by 50, and set it to 376.
A blue-purple color mixture appears in the upper right or the upper of the screen.
(When CEILING setting, appears it in the Lower left or the lower of the screen.)

b. Increase CW INDEX setting value by 1, and record the value where the color mixture disappears.
(The recorded value is assumed to "A".)

c. Increase CW INDEX setting value from the default value (426) by 50, and set it to 476.
A yellow-green color mixture appears in the lower right or the lower of the screen.
(When CEILING setting, appears it in the upper left or the upper of the screen.)

d. Decrease CW INDEX setting value by 1, and record the value where the color mixture disappears.
(The recorded value is assumed to "B".)

e. Set the mean value (omission below decimal point) of "A" and "B" to the CW INDEX setting value.