Panasonic PT- 47WX49E Service Manual

Also see for PT- 47WX49E: Schematic Notes

Contents

- 4 -Service ManualImportant Safety Notice . . . . . . . . . . . . . . . . . . . 2Safety Precautions . . . . . . . . . . . . . . . . . 2General Guidelines . . . . . . . . . . . . . . . . . 2X-ray Precautions . . . . . . . . . . . . . . . . . . 2Leakage Current Cold Check . . . . . . . . . 2Leakage Current Hot Check . . . . . . . . . . 2Insulation Test . . . . . . . . . . . . . . . . . . . . . 2X-ray Radiation . . . . . . . . . . . . . . . . . . . . 2Important Safety Tests . . . . . . . . . . . . . . . . . . . . 3Measuring H.V. . . . . . . . . . . . . . . . . . . . . 3(EHT) Protector Operation Check . . . . . . 3Leadless Chip Component(surface mount) . . . . . . . . . . . . . . . . . 5Component Removal. . . . . . . . . . . . . . . . 5Chip Component Installation . . . . . . . . . . 5How to Replace Flat-IC . . . . . . . . . . . . . . 5Feature Table . . . . . . . . . . . . . . . . . . . . . . . . . . . 6PCBs Designation . . . . . . . . . . . . . . . . . . . . . . . 7PTV - Location of Controls . . . . . . . . . . . . . . . . 8Quick Reference Control Operation . . . . 8Remote - Location of Controls . . . . . . . . . . . . . 9Disassembly for Service . . . . . . . . . . . . . . . . . 10Speaker Grille Removal. . . . . . . . . . . . . 10Keyboard Removal . . . . . . . . . . . . . . . . 10Speakers Replacement . . . . . . . . . . . . . 10Cabinet Back Lower Cover Removal. . . 10Cabinet Back Cover Removal . . . . . . . . 10Mirror Removal . . . . . . . . . . . . . . . . . . . 10Screen Frame Removal. . . . . . . . . . . . . 11Screen Assembly. . . . . . . . . . . . . . . . . . 11Main Chassis Block . . . . . . . . . . . . . . . . 11Chassis Assembly . . . . . . . . . . . . . . . . . 11Disassembly for CRT Replacement. . . . 12CRT Replacement . . . . . . . . . . . . . . . . . 12Optical Block Position Adjustment . . . . . 13PTV Screen Assemblies . . . . . . . . . . . . 14Dynamic Focus Adjustments . . . . . . . . . 14Trapezoid Adjustment (EWTRA) . . . . . . 15Pincushion Adjustment (PCC) . . . . . . . . 15Convergence Alignment Template . . . . . . . . . 15Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16G, K-Board schematic and layout. . . . . . . . . . . . 27A-Board schematic (left portion) . . . . . . . . . . . . . 28A-Board schematic (left middle portion) . . . . . . . 29A-Board schematic (right middle portion) . . . . . . 30A-Board schematic (right portion). . . . . . . . . . . . 31A-Board voltages . . . . . . . . . . . . . . . . . . . . . . . . 32