Sony TVP0460 free download

File name TVP0460.pdf

CONFIDENTIAL CSV-1 Sony Service Company National Technical Services Service Bulletin A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656 TV Products Model: VPL-W400Q No. 460 Subject: Green Edge Appears when all Gray Signal is Date: February 9, 2000 inputted Symptom: (133x) When an all black picture is inputted, the upper right and lower left edges of the picture appears green Solution: If the customer should complain of this symptom the following circuit change may be needed. Serial number range affected 2,000,001-2,003,210 1. Open cabinet of unit, and top cover of optical unit. 2. Remove prism unit from the VPL-W400Q. Note: As shown in fig 1, the prism unit has: Cover Glass-held in place with black RTV LCD panel-held in place with white RTV, and connected to cable LCD panel holder Caution: Cut RTV only deep enough to cut the black RTV, not the white RTV. Be careful not to cut the cable to the LCD Do not push knife under the cover glass further than 1mm black border; if you do, you will scratch the glass. 3. Cut all four edges of black RTV (around four sides of cover glass) to separate RTV from cover glass. (See Fig 1) 4. Place knife underneath cover glass (not more than 1mm) and lift cover glass to remove it from the LCD panel. 5. Remove debris from RTV. 6. Unscrew (2) screws attaching LCD panel to prism. Caution: Do not dislocate LCD panel. (locking compound is applied to four corners to prevent dislocation) Reference: SB B&P 1999-099 PRINTED IN USA TV Products Service Bulletin No. 460 7. Insert plate over LCD panel in place of cover glass. 8. Tighten two screws attaching LCD panel to prism. 9. Implement steps 3 through 8 for three panels of R, G, and B. 10. Assemble optical unit. Description Part Number Quantity Plate 4-070-318-01