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This adjustment procedure is divided into the following sections:
Screen Centering
Geometry Alignment
Convergence Alignment
Grey Scale Alignment
If the ACS module has been replaced, the following adjustment should be performed in the order listed:
Geometry
Convergence
Grey Scale
If the Large Signal Board (LSB) has been changed:
Screen Centering
Geometry
Convergence
If the CRTs have been changed:
Screen Centering
Geometry
Convergence
Grey Scale
If the SSM (Small Signal Module) has been changed:
Convergence
Screen Centering
After replacing the CRTs, it will be necessary to perform Screen Centering. Place the Convergence Template
on the TV screen or place a string from corner to corner to determine the screen center. Apply a center cross
pattern to the TV. Enter the SAM mode, described in the Geometry section and disable Convergence. Cover
the Red and Blue CRTs. Using the Centering rings on the Green CRT, center the cross onto the center of the
template. Uncover the Red CRT and center the Red onto the Green cross. Follow the same procedure with the
Blue CRT. Only perform the Screen Centering for the first mode to be adjusted. Do NOT repeat the adjustment
for the other modes.
Geometry Alignment
The Geometry alignment data is stored in the NVM located on the ACS module. Whenever the ACS module or
the Large Signal Board (LSB) has been changed, a Geometry alignment will be necessary. The Geometry
Alignment is performed in the SAM/GDE alignment mode. To enter the SAM mode, press 0, 6, 2, 5, 9, 6, Index
on the Remote Control. Make sure the set is in the mode in which you wish to align before entering the SAM
mode. Use the AV button on the Remote to select the input with a signal applied after entering the SAM mode.
The following screen will appear after entering the SAM mode. Press the Cursor Down key on the Remote to
view SMART SETTINGS and GDE SAM.