Panasonic PT52LCX66 Service Manual - Page 2

Contents - power board

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PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 CONTENTS 1 Safety Precautions 1.1. General Guidelines 1.2. Leakage Current Cold Check 1.3. Leakage Current Hot Check 1.4. UV-Precaution 2 Warning 2.1. Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices 3 Service Navigation 3.1. Introduction 3.2. About Lead Free Solder (PbF) 4 Specifications 5 Location of Controls and Components 5.1. Operation Instructions 5.2. Replacement of Lamp 6 Service Mode 7 Troubleshooting Guide 7.1. Troubleshooting Hints for Block Level Repair 8 Disassembly and Assembly Instructions 8.1. Cabinet Section 9 Measurements and Adjustments 9.1. Adjustment Procedures 1 10 Maintenance 10.1. Cleaning Methods 11 Block Diagrams 12 Schematic Diagrams Page 3 3 3 3 3 4 4 5 5 5 6 7 7 10 11 21 21 32 32 47 47 50 50 51 61 Page 12.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES 61 12.2. INTERCONNECTION SCHEMATIC DIAGRAM 62 12.3. FRONT JACK / OPERATION SCHEMATIC DIAGRAM 63 12.4. POWER SWITCH / THERMISTOR 2 / COVER SWITCH SCHEMATIC DIAGRAMS 64 12.5. VOLTAGE CHART 65 13 Printed Circuit Board 67 13.1. FRONT JACK / OPERATION P.C.B. / POWER SWITCH P.C.B. / THERMISTOR 2 P.C.B. / COVER SWITCH P.C.B. 67 14 Exploded Views 69 14.1. MAIN PARTS SECTION 69 14.2. BASE BODY SECTION 71 14.3. DISPLAY SECTION 72 14.4. SCREEN SECTION 74 14.5. PROJECTION SECTION 76 14.6. TV UNIT SECTION 77 14.7. PACKING PARTS AND ACCESSORIES SECTION 78 15 Replacement Parts List 79 15.1. REPLACEMENT NOTES 79 15.2. MECHANICAL REPLACEMENT PARTS LIST 80 15.3. OPTIONAL ACCESSORY REPLACEMENT PARTS LIST 81 15.4. ELECTRICAL REPLACEMENT PARTS LIST 81 2

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1 Safety Precautions
3
1.1. General Guidelines
3
1.2. Leakage Current Cold Check
3
1.3. Leakage Current Hot Check
3
1.4. UV-Precaution
3
2 Warning
4
2.1. Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
4
3 Service Navigation
5
3.1. Introduction
5
3.2. About Lead Free Solder (PbF)
5
4 Specifications
6
5 Location of Controls and Components
7
5.1. Operation Instructions
7
5.2. Replacement of Lamp
10
6 Service Mode
11
7 Troubleshooting Guide
21
7.1. Troubleshooting Hints for Block Level Repair
21
8 Disassembly and Assembly Instructions
32
8.1. Cabinet Section
32
9 Measurements and Adjustments
47
9.1. Adjustment Procedures 1
47
10 Maintenance
50
10.1. Cleaning Methods
50
11 Block Diagrams
51
12 Schematic Diagrams
61
12.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT
NOTES
61
12.2. INTERCONNECTION SCHEMATIC DIAGRAM
62
12.3. FRONT JACK / OPERATION SCHEMATIC DIAGRAM 63
12.4. POWER SWITCH / THERMISTOR 2 / COVER SWITCH
SCHEMATIC DIAGRAMS
64
12.5. VOLTAGE CHART
65
13 Printed Circuit Board
67
13.1. FRONT JACK / OPERATION P.C.B. / POWER SWITCH
P.C.B. / THERMISTOR 2 P.C.B. / COVER SWITCH
P.C.B.
67
14 Exploded Views
69
14.1. MAIN PARTS SECTION
69
14.2. BASE BODY SECTION
71
14.3. DISPLAY SECTION
72
14.4. SCREEN SECTION
74
14.5. PROJECTION SECTION
76
14.6. TV UNIT SECTION
77
14.7. PACKING PARTS AND ACCESSORIES SECTION
78
15 Replacement Parts List
79
15.1. REPLACEMENT NOTES
79
15.2. MECHANICAL REPLACEMENT PARTS LIST
80
15.3. OPTIONAL ACCESSORY REPLACEMENT PARTS LIST
81
15.4. ELECTRICAL REPLACEMENT PARTS LIST
81
CONTENTS
Page
Page
2
PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16