[2]
DLP ALIGNMENT PROCEDURE
Enter into Service Alignment Screen as described in the previous post {whenever necessary}
- Once the parameter {P} has been selected for a particular alignment, the Volume ( < ) or Volume ( > ) buttons can be used to change the data value {V} of the alignments selected. Most electrical alignments for this DLP instrument must be done using Chipper Check.
VERTICAL & HORIZONTAL CENTERING
Vertical and Horizontal centering adjustments should only be performed after replacing the Light Engine.
- Turn ON the TV set and select the channel that will be used for testing.
- Select the Service Screen Menu.
- Select "2" Service Alignment Item.
- Once the Service Alignment Screen is displayed, use the Volume ( > ) on the remote control, or at the key board to adjust parameter Zero {P:0} to a value of [V:80]
- With parameter zero {P:0} value at {V:80}, press the Channel (UP) button on the front keyboard or remote control. This will put the TV into the vertical and Horizontal centering mode. See the illustration:
- Press the [Skip] or [Info] button on the remote control will bring up the test patterns one after an other.
- Press [Go-back] or [Reset] on the remote control to display the first test pattern.
- Press [Menu] button on the remote control to toggle the display between the test pattern & the turned channel or video.
- Press [Power] button on the remote control to 'EXIT' the adjustment display {V:80}.
MECHANICAL PICTURE ADJUSTMENT
- Remove the back cover.
- Loosen the '2' screws at the lowest of '3' T320 screws holding the Light Engine in position.
- Turn ON the TV, and select that to be used for testing.
- Enter Service Alignment Mode.
- With Volume ( > ) on the remote control to adjust parameter zero {P:0} to a value of {V:80}.
- With parameter zero value at 80 {V:80} press the 'Channel Up' button on the remote control, to put the TV into vertical & horizontal centering mode.
- Press the "Skip" or "Info" button on the remote control to bring up the 'Cross-Hatch' pattern.
- While supporting the Light Engine Lamp Enclosure back of the tension on theTthird Upper Screw, until the Light Engine will rotate with light pressure.
- While viewing the Cross-Hatch on the front screen, rotate the Light Engine, so that, the Horizontal Lines are parallel with the cabinet frame.
- Press the [Menu] button on the remote control to toggle the display from the cross-hatch to the channel video. Ensure that, tuned video and crosshatch pattern are displayed with proper geometry.
- Tighten the Light Engine screws and perform the Electrical centering Procedure.
Light Engine Screw position:
