Panasonic PT-LB20NTU Service Manual

Also see for PT-LB20E: Operating instructions

Panasonic PT-LB20NTU Service Manual Manual pdf 4 page image

1.2. Leakage Current Check 51.3. UV Precaution and UHM Lamp Precautions 52 Ext Option 62.1. Procedure to enter EXT OPTION 62.2. EXT OPTION Menu and Functions 62.3. Canceling EXT OPTION 73 Self-Check Mode 73.1. Procedure to enter the self-check mode 73.2. Self Check Display and Contents 83.3. Canceling the self-check mode 84 Service Mode 94.1. Procedure to enter the service mode 94.2. Canceling the service mode 95 Flicker Adjustment Mode 95.1. Procedure to enter the adjustment mode 95.2. Adjustment Display and Contents 95.3. Canceling the flicker adjustment mode 96 Using the SERIAL Connector 106.1. Connection 106.2. Pin Layout and Signal Names for SERIAL Connector 106.3. Communication Settings 106.4. Basic Format 116.5. Control / Query Commands 116.6. Communication Cable Specifications 136.7. Signal Selector Connecting Cable Specifications 147 Disassembly Instructions 157.1. Printed Circuit Board and Main Parts Location 157.2. Removal of Upper Case 167.3. Removal of A-P.C.Board 167.4. Removal of WL-P.C.Board (PT-LB20NTU/E/EA only) 177.5. Removal of S1-P.C.Board 177.6. Removal of S2-P.C.Board 177.7. Removal of K-P.C.Board 177.8. Removal of B/Q-Module 187.9. Removal of P-Module 187.10. Removal of Lamp Unit 197.11. Removal of Analysis Block and Lens 197.12. Removal of LCD Block 207.13. Replacement of LCD Panel 207.14. LCD Panel Discrimination 217.15. LCD Panel Combination 217.16. Replacement of Incidence Polarizer (R and B) 217.17. Replacement of Incidence Polarizer (G) 227.18. Replacement of Projection Polarizer 227.19. Replacement of PBS Array (Analysis Block) 238 Measurement and Adjustments 248.1. Adjustment Procedure Flowchart 248.2. Cautions for Adjustment 248.3. Setting Before Adjustment 248.4. Convergence Adjustment 248.5. Lighting Area Adjustment 258.6. Software for Adjustment 278.7. Flicker Adjustment 288.8. Input Level Adjustment 288.9. Model Information Setup 299 Troubleshooting 3010 Interconnection Block Diagram 4110.1. Interconnection Block Diagram (1/2) 4110.2. Interconnection Block Diagram (2/2) 4211 Block Diagram 4311.1. Power Supply 4311.2. Signal Processing (1/3) 4411.3. Signal Processing (2/3) 4511.4. Signal Processing (3/3) 4612 Schematic Diagram 4712.1. A-P.C.Board (1/4) 4812.2. A-P.C.Board (2/4) 4912.3. A-P.C.Board (3/4) 5012.4. A-P.C.Board (4/4) 5112.5. WL-P.C.Board (1/2) 5212.6. WL-P.C.Board (2/2) 5312.7. B-Module (1/2) 5412.8. B-Module (2/2) 5512.9. K-P.C.Board 5612.10. S1-P.C.Board, S2-P.C.Board 5713 Circuit Boards 5913.1. A-P.C.Board (Foil Side) / WL-P.C.Board (FoilSide/Component Side) 5913.2. A-P.C.Board (Component) / S1-P.C.Board (FoilSide/Component Side) 6014 Terminal guide of ICs and transistors 6115 Exploded Views 6216 Replacement Parts List 654PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA