Panasonic PT- 47WX49E, Руководство по обслуживанию

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