Sony TVP0470 free download

File name TVP0470.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. 470 Subject: Appearance Of Bright Lines In Picture Date: February 14, 2000 Symptom: (1322) After several hundred hours of LED panel use, bright vertical or horizontal lines may appear in the picture. Solution: If this symptom should appear please perform the following circuit change. 1. Replace prism block, which is a component in the optical unit. (1-473-848-21). Note: Refer to VPL-W400Q Service Manual, section 3 and 4 for the following adjustments. 2. Adjust the Polarizer plate. 3. Enter the Service mode. 4. Adjust V-COM. 5. Adjust the white balance. Description Part Number Qty. Serial Number Range Prism Block 9-939-709-01 1 1,000,001-2,000,150 Reference: B & P SB 301997003 PRINTED IN USA xxx Products Service Bulletin No. xxx xxx Products Service Bulletin No. xxx