PLE1700S Service Manual
05/12/2006
TABLE OF CONTENTS
PAGE
1. PRECAUTION AND NOTICES------------------------------------------ --- -- -------------------------------------- 1
1.1. SAFETY PRECAUTIONS ---------------------------------------------------------------------------------------- 1
1.2. PRODUCT SAFETY NOTICE ----------------------------------------------------------------------------------- 1
1.3. SERVICE NOTES--------------------------------------------------------------------------------------------------1
2.
SERVICE TOOL & EQUIPMENT REQUIRED
---------------------------------------------------------2
3. SPECIFICATIONS----------------------------------------------------------------------------------------------------- 2~4
3.1.
PRODUCT SPECIFICATIONS
-----------------------------------------------------------------------------2
3.2.
FACTORY SUPPORTING MODES
------------------------------------------------------------------------ 3
3.3. D-SUB CONNECTOR --------------------------------------------------------------------------------------------3
3.4. DVI CONNECTOR------------------------------------------------------------------------------------------------4
4. EXPLODED VIEW AND PARTS LIST ---------------- --- -- --- -- - -- --- -- - ---- - ----------------------------------- 5~6
4.1. EXPLODED VIEW------------------------------------------------------------------------------------------------ 5
4.2. EXPLODED VIEW PARTS LIST--------------------------------------------------------------------------------6
5. BLOCK DIAGRAM----------------------------------------------------------------------------------------------------7
6. SCHEMATIC DIAGRAM --------------------------------------------------------------------------------------------8~15
6.1. Input----------------------------------------------------------------------------------------------------------------- 8
6.2. Dc to Dc-------------------------------------------------------------------------------------------------------------9
6.3. Scaler----------------------------------------------------------------------------------------------------------------10
6.4. Panel Interface----------------------------------------------------------------------------------------------------- 11
6.5. Key Pad -------------------------------------------------------------------------------------------------------------12
6.6. Audio ----------------------------------------------------------------------------------------------------------------13
6.7. Inverter--------------------------------------------------------------------------------------------------------------14
6.8. Power----------------------------------------------------------------------------------------------------------------15
7. WORKING THEOREM-----------------------------------------------------------------------------------------------16~19
8. WIRING DIAGRAM---------------------------------------------------------------------------------------------------20
9. PCB LAYOUT-----------------------------------------------------------------------------------------------------------21~24
9.1. MAIN PCB TOP VIEW -------------------------------------------------------------------------------------------21
9.2. MAIN PCB BOTTOM VIEW-------------------------------------------------------------------------------------22
9.3. POWER & KEYPAD PCB TOP VIEW -------------------------------------------------------------------------23
9.4. POWER & KEYPAD PCB BOTTOM VIEW-------------------------------------------------------------------24
10. TROUBLE SHOOTING FLOW CHART-------------------------------------------------------------------------25~29
10.1. NO POWER -------------------------------------------------------------------------------------------------------- 26
10.2. NO DISPLAY------------------------------------------------------------------------------------------------------- 27
10.3. LOSE COLOR------------------------------------------------------------------------------------------------------ 28
10.4. NO AUDIO --------------------------------------------------------------------------------------------------------- 29
11. ADJUSTMENT---------------------------------------------------------------------------------------------------------- 30~31
11.1. ADJUSTMENT CONDITIONS AND PRECAUTIONS-------------------------------------------------------30
11.2. MAIN ADJUSTMENTS ------------------------------------------------------------------------------------------- 30
11.3. ALIGNMENT PROCEDURES----------------------------------------------------------------------------------- 30~31
12. ELECTRICAL PARTS LIST----------------------------------------------------------------------------------------- 32~40