Book Title: "LED LCD TV Repairing and Screen Bypassing Guide" (not specific to Master 39, but general)
Book Details:
LCD Panel & COF Problems: Detailed practical examples for repairing Chip-on-Film (COF) issues and understanding COF codes. Book Title: "LED LCD TV Repairing and Screen
You can find the book on various online platforms, including: Book Title: "LED LCD TV Repairing and Screen