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Service Manual
Important safety notice . . . . . . . . . . . . . . . . . . . 2
Safety precautions. . . . . . . . . . . . . . . . . . . . . . . . 2
General guidelines . . . . . . . . . . . . . . . . . 2
X-ray precautions . . . . . . . . . . . . . . . . . . 2
Leakage current cold check . . . . . . . . . . 2
Leakage current hot check . . . . . . . . . . . 2
Insulation test . . . . . . . . . . . . . . . . . . . . . 2
X-ray radiation . . . . . . . . . . . . . . . . . . . . 2
About lead free solder (PbF) . . . . . . . . . . . . . . 3
Suggested Pb free solder . . . . . . . . . . . . 3
Important safety tests . . . . . . . . . . . . . . . . . . . . 4
Measuring H.V. . . . . . . . . . . . . . . . . . . . 4
(EHT) Protector operation check . . . . . . 4
Service notes . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Leadless chip component . . . . . . . . . . . . 6
Component removal . . . . . . . . . . . . . . . . 6
Chip component installation . . . . . . . . . . 6
How to replace Flat-IC . . . . . . . . . . . . . . 6
Feature table . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Boards designation . . . . . . . . . . . . . . . . . . . . . . 9
PTV - Location of controls . . . . . . . . . . . . . . . 10
Quick reference control operation . . . . 10
Convergence Alignment . . . . . . . . . . . . . . . . . 11
Convergence Alignment Template . . . . 11
Disassembly for service . . . . . . . . . . . . . . . . . 12
PTV Screen Preparation. . . . . . . . . . . . 12
Placement of Screens in
PTV screen frame . . . . . . . . . . . . . 13
Frame and Customer Control
Panel Installation . . . . . . . . . . . . . . 14
Cabinet back lower cover removal . . . . 15
Cabinet Top and Mirror
Panel Installation . . . . . . . . . . . . . . 17
Parts list . . . . . . . . . . . . . . . . . . . . . . . . 18
Abbreviations Guide . . . . . . . . . . . . . . . 27
Содержание PT-53WX52CF
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