Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this receiver.
Text excerpt from page 11 (click to view)
21LF-90H
HOW TO UPDATE THE TECHNICAL INFORMATION APPEARED ON THIS SERVICE MANUAL
1. Web site: https://www.vestelservice.com 2. Select: Technical Support 3. Login: 101278 4. Password: SHPII278 By this access you can consult the latest schematic diagram or request the Parts Listing of a concrete Production Date / Serial Number. By this way it can be also consulted the issued Technical Reports (Service Bulletins).