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1
Safety Precautions
5
1.1.
General Guidelines
5
1.2.
Leakage Current Check
5
1.3.
UV Precaution and UHM Lamp Precautions
5
2
Ext Option
6
2.1.
Procedure to enter EXT OPTION
6
2.2.
EXT OPTION Menu and Functions
6
2.3.
Canceling EXT OPTION
7
3
Self-Check Mode
7
3.1.
Procedure to enter the self-check mode
7
3.2.
Self Check Display and Contents
8
3.3.
Canceling the self-check mode
8
4
Service Mode
9
4.1.
Procedure to enter the service mode
9
4.2.
Canceling the service mode
9
5
Flicker Adjustment Mode
9
5.1.
Procedure to enter the adjustment mode
9
5.2.
Adjustment Display and Contents
9
5.3.
Canceling the flicker adjustment mode
9
6
Using the SERIAL Connector
10
6.1.
Connection
10
6.2.
Pin Layout and Signal Names for SERIAL Connector 10
6.3.
Communication Settings
10
6.4.
Basic Format
11
6.5.
Control / Query Commands
11
6.6.
Communication Cable Specifications
13
6.7.
Signal Selector Connecting Cable Specifications
14
7
Disassembly Instructions
15
7.1.
Printed Circuit Board and Main Parts Location
15
7.2.
Removal of Upper Case
16
7.3.
Removal of A-P.C.Board
16
7.4.
Removal of G-P.C.Board
16
7.5.
Removal of S-P.C.Board
16
7.6.
Removal of WL-P.C.Board (PT-LB50NTU/E/EA only) 16
7.7.
Removal of K-P.C.Board
17
7.8.
Removal of P-Module
17
7.9.
Removal of B/Q-Module
18
7.10. Removal of Z-P.C.Board
18
7.11. Removal of Lamp Unit
18
7.12. Removal of Analysis Block and Lens
18
7.13. Removal of LCD Block
19
7.14. Replacement of LCD Panel (B)
19
7.15. LCD Panel Discrimination
20
7.16. LCD Panel Combination
20
7.17. Replacement of Incidence Polarizer (R and B)
20
7.18. Replacement of Incidence Polarizer (G)
21
7.19. Replacement of Projection Polarizer
21
7.20. Replacement of PBS Array (Analysis Block)
22
8
Measurement and Adjustments
23
8.1.
Adjustment Procedure Flowchart
23
8.2.
Cautions for Adjustment
23
8.3.
Setting Before Adjustment
23
8.4.
Convergence Adjustment
23
8.5.
Lighting Area Adjustment
25
8.6.
Software for Adjustment
26
8.7.
Flicker Adjustment
28
8.8.
Input Level Adjustment
28
8.9.
Model Information Setup
29
9
Troubleshooting
31
10 Interconnection Block Diagram
43
10.1. Interconnection Block Diagram (1/2)
43
10.2. Interconnection Block Diagram (2/2)
44
11 Block Diagram
45
11.1. Power Supply
45
11.2. Signal Processing (1/3)
46
11.3. Signal Processing (2/3)
47
11.4. Signal Processing (3/3)
48
12 Schematic Diagram
49
12.1. A-P.C.Board (1/4)
50
12.2. A-P.C.Board (2/4)
51
12.3. A-P.C.Board (3/4)
52
12.4. A-P.C.Board (4/4)
53
12.5. WL-P.C.Board (1/3)
54
12.6. WL-P.C.Board (2/3)
55
12.7. WL-P.C.Board (3/3)
56
12.8. B-Module (1/2)
57
12.9. B-Module (2/2)
58
12.10. K-P.C.Board, S-P.C.Board, G-P.C.Board, Z-P.C.Board 59
13 Circuit Boards
61
13.1. A-P.C.Board
61
13.2. WL-P.C.Board, S-P.C.Board
62
14 Terminal guide of ICs and transistors
63
15 Exploded Views
64
16 Replacement Parts List
67
CONTENTS
Page
Page
4
PT-LB50NTU / PT-LB50NTE / PT-LB50NTEA / PT-LB50U / PT-LB50E / PT-LB50EA / PT-LB50SU / PT-LB50SE / PT-LB50SEA
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