6-1
TROUBLE SHOOTING
TABLE OF CONTENTS
Page
1. No Display on Screen (Screen is Black, LED is Amber) -------------------------------------------- 6-2
2. No Display on Screen (Screen is Black, LED is Green) -------------------------------------------- 6-3
3. Checking the Back Light Unit ------------------------------------------------------------------------------ 6-5
4. Abnormal Screen --------------------------------------------------------------------------------------------- 6-6
5. Abnormal Plug and Play Operation ---------------------------------------------------------------------- 6-7
6. Checking the Sync Signal Interface Circuit ------------------------------------------------------------ 6-8
6.1 Checking the Horizontal Sync Pulse Control Circuit ----------------------------------------------- 6-8
6.2 Checking the Vertical Sync Pulse Control Circuit --------------------------------------------------- 6-9
7. Checking the Scaling IC Movement --------------------------------------------------------------------- 6-10
8. No Power On -------------------------------------------------------------------------------------------------- 6-11
9. Checking the Audio Operation ---------------------------------------------------------------------------- 6-12