Technická informácia Plasma TV Repair

Content
1. Introduction...............................................................7
2. Basic Plasma Panel Theory............................................10
2.1- Addressing The Plasma Pixels..................................11
2.2- Illuminating The Plasma Pixels.................................13
2.3- Making Sense Of It All...........................................13
2.4-Dual- Scan Panels Vs Single- Scan Panels.....................15
3. Plasma Panel Troubleshooting Introduction......................19
3.1- RGB..................................................................20
3.2- No Video.............................................................20
3.3- Panel Prming.......................................................21
3.4- Pixel That Are Primed............................................22
3.5- Pixel That Are Not Primed.......................................22
3.6- Distortion In Video Reproduction..............................23
3.7- Rows Or Columns Of Pixels Lit Or Unlit.....................23
3.8- Address Line Failures.............................................23
3.9- Scan line Failures..................................................27
3.10- Stationary Faulty Pixel Lighting..............................28
3.11- Pixel Lighting That’s Random & Erroneous...............30
3.12- Inadequate Pixel Lighting......................................30
3.13- Retention Of Picture Images...................................31
3.14- Known Y/Z-Sustain Component Failure....................32
3.15- Z-Sustain Component Failure.................................37
3.16- Logic Control Board Failure..................................40
3.17- Control Board Component Failure List.....................44
A- Y-Buffer Board Failures...................................44
B- Important Tip on Y-buffer................................45
C- Additional Tip on Y-buffer...............................46
D- No Display- Power Board failure........................46
E- Power Board Voltage Usage..............................47
F-X Address Circuits...........................................48
4. Various XYZ Board Test Points.....................................50
4.1- Waveform Data....................................................51
4.2- Oscilloscope Probe Use...........................................53
4.3- Basic Troubleshooting Reference Principles.................54
4.4- Digital Board (Main Board).....................................56
5. Review On Display Faults.............................................72
a. Single Scan Plasma Display Fault...........................73
b. Dual Scan Plasma Display Fault.............................76
c. Dual/Triple Scan Plasma Display Faults..................82
d. Single/Triple Scan Plasma Display Faults..................85
e. Plasma Display Mal-Discharge Symptoms.................90
6. Some Plasma TV Repair Case Histories...........................95
7. Standard Parts Replacement List..................................100
8. Conclusions..............................................................107
9. Recommended Resources............................................108