TABLE OF CONTENTS
1 Safety Precaution ------------------------------------------------------------------------------------------------ 3
2 Warning ------------------------------------------------------------------------------------------------------------- 4
3 Service Navigation ----------------------------------------------------------------------------------------------- 6
3.1. Service Hint -------------------------------------------------------------------------------------------------- 6
3.2. Applicable signals ------------------------------------------------------------------------------------------ 7
4 Specifications ----------------------------------------------------------------------------------------------------- 8
5 Troubleshooting Guide ----------------------------------------------------------------------------------------- 9
5.1 No Power ----------------------------------------------------------------------------------------------------- 9
5.2 Abnormal Display ------------------------------------------------------------------------------------------ 10
5.3 No Display --------------------------------------------------------------------------------------------------- 11
5.4 Sound Problem --------------------------------------------------------------------------------------------- 12
7 Block Diagram ---------------------------------------------------------------------------------------------------- 18
8 Schematic Diagram --------------------------------------------------------------------------------------------- 19
8.1 Main Board -------------------------------------------------------------------------------------------------- 19
8.2 Power Board ------------------------------------------------------------------------------------------------ 29
8.3 Key Board ---------------------------------------------------------------------------------------------------- 32
8.4 IR Board ------------------------------------------------------------------------------------------------------ 33
9.1. Caution Statement -------------------------------------------------------------------------------------- 34
9.2. Wiring -------------------------------------------------------------------------------------------------------- 34
10.1. Exploded View ------------------------------------------------------------------------------------------ 35
2
Page