Apple recently expanded the iBook Logic Board Repair Program to iBook models manufactured between May 2001 and October 2003 that are experiencing specific component failures.
"The Expanded iBook Logic Board Repair Extension Program covers iBooks that have a specific component failure on the logic board, resulting in the computer starting up but the built-in and attached external displays exhibiting one or more of the following symptoms:"
• Scrambled or distorted video
• Appearance of unexpected lines on the screen
• Intermittent video image
• Video freeze
• Computer starts up to blank screen
More Info:
Apple – Support – iBook – Expanded Logic Board Repair Extension Program – FAQ
