Sony TVP0462 free download

File name TVP0462.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. 462 Subject: Abnormal picture or sound Date: February 2, 2000 Symptom: (133X) The following symptoms may occur: Serial Number range 2,000,001-2,001,663 1. No picture produced when unit is operated with no signal input. 2. No audio. 3. Abnormal red color. 4. Auto wide options become invalid and the main ROM is earlier then V2.00. SOLUTION: Replace the ROM and perform reset. Serial number range 2,000,001-2,001,763 SYMPTOM: The following symptom may occur: 1, When playing back NTSC software on a Panasonic PAL DVD player, there is no color output. The ROM version is early then V2.20. Note: Color will be reproduced in forcible PAL mode To verify the main ROM version, enter service mode and see the SET INFO menu. Solution: Replace the ROM and perform reset. Description Part number Qty. M27C512-W400-V2.20 8-759-544-82 1 Circuit Change Procedure: 1. Turn power ON. 2. Set initial setting status to ON. Reference: SB B&P 301998223 PRINTED IN USA TV.Products Service Bulletin No. 462 3. To enter service mode, sequentially press (Enter) (twice), , , (Enter) from control panel or remote controller and follow instructions of each message which appears. 4. Enter factory mode, sequentially press (Enter) (twice), , (Enter) and follow instructions of each message that appears. 5. Enter in Device ADJUST and note values of R-VCOM, G-VCOM, B-VCOM. 6. Turn power OFF. 7. Place unit so lens faces you. 8. Remove right sides shield case on C Board. 9. Carefully replace IC5205 in main ROM IC socket with new IC. 10. Assemble unit and turn power ON. 11. Since user's data H POLARITY/V POLARITY in initial setting (SET SETTING) IS LOST, RESET H POLARITY/VPOLARITY. 12. Turn power ON and enter service mode and factory mode. 13. Confirm that main ROM version is V2.20. 14. Read out factory setting.