XG-P20XE (serv.man26). Vertical lines in the projected image - Sharp Projector Technical Bulletin (repair manual). Page 3

LV063

Sharp Electronics (UK) Ltd., Technical Services Group

After replacement of OUTPUT UNIT
• Call the process mode and enter all the data you noted down before replacement of

OUTPUT UNIT.

• Readjust the white balance.
(1) Set the other projector (P20X or P25X) side by side.
(2) Feed the multi pattern (infocomm SMPTE133 test pattern) signal.
(3) Adjust the value of R1-BLK/B1-BLK of OUTPUT1 so that gray colour becomes the

same level.

(4) Apply the amount of adjusted value of R1-BLK/B1-BLK of OUTPUT1 to the R1-BLK/B1-

BLK of VIDEO2. (Example: Refer to the table below.)

• Readjust the common adjustment.

(1) Feed the Common Bias Adjustment Pattern signal.

(It can be downloaded from http://172.24.145.13/tcg-qrc/prj/prj-e.asp )

(2) Match the output signal resolution from PC with the LCD panel’s resolution.

(Example: Set the resolution to XGA when the projector is P20X.)

(3) Adjust the value of RC/GC/BC of OUTPUT3 in order to minimise the flicker.

• If the projector is the model for America/Canada, make an initialising.

(1) In the process menu ‘SSS’, select ‘S4’.
(2) Press the ENTER key.