Kortek corporation
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PDP R&D Center
INDEX (1 of 2)
1. Precautions…
p4
1.1 Safety Precautions
1.2 Servicing Precautions… p7
1.3 Precautions for Electrostatically Sensitive Devices(ESDs)… p8
2. Reference Information…
p9
2.1 Tables of Abbreviations and Acronyms
3. Electrical Specifications
3.1 Block Diagram… p11
3.2 Display Performance… p12
3.3 Power… p13
3.3.1 General
3.3.2 Power Management
3.3.3 Input Power Connector Location… p14
3.3.4 Input Power Voltage Source and Pin Assignment… p15
3.4 Video… p16
3.4.1 Input
3.4.2 Supplied Video Timing Chart
3.4.3 Image Outputs Specification… p17
3.4.4 Pin Assignment… p18
4. Alignment and Adjustments…
p19
4.1 Service Mode
4.1.1 Service Mode Entry Method
4.1.2 Initial DISPLAY State in times of SERVICE MODE Switch overs
4.1.3 Buttons Operations within SERVICE MODE
4.1.4 White Balance Adjust Method… p20
4.2 Discharge Voltage Adjustment Method… p21
4.3 Fault Finding Using Multimeter… p22
5. Circuit Description…
p24
5.1 Power Supply… p25
5.1.1 Power Supply Systematic Diagram & Wiring Diagram
5.1.2 Outline(PDP SMPS)
5.1.3 SMPS Specification… p26
5.2 Driver Circuit… p29
5.2.1 Driver Circuit Overview
5.2.2 Drive Pulse and Functions… p31
5.2.3 Analysis of Driving Pulse… p32
5.2.4 Principle of FET’s Operation and High Voltage Switching.
5.2.5 Driving Circuit Diagram… p33
5.2.6 Base Configuration & Driving Description of Driver… p34
5.3 Logic Part… p36
5.3.1 Block Diagram and Configuration of Logic MAIN Board
5.3.2 An Explanation of logic main board by the block… p37
5.3.3 How to select internal/external CLOCK & NTSC/PAL… p46