Panasonic PT-LB80NTU / PT-LB80NTE / PT-LB80NTEA / PT-LB80U / PT-LB80E / PT-LB80EA / PT-LB75NTU / PT-LB75NTE / PT-LB75NTEA / PT-LB75U / PT-LB75E / PT-LB75EA Service Manual ▷ View online
PT-LB80NTU
PT-LB80NTE
PT-LB80NTEA
PT-LB80U
PT-LB80E
PT-LB80EA
PT-LB75NTU
PT-LB75NTE
PT-LB75NTEA
PT-LB75U
PT-LB75E
PT-LB75EA
PT-LB80NTE
PT-LB80NTEA
PT-LB80U
PT-LB80E
PT-LB80EA
PT-LB75NTU
PT-LB75NTE
PT-LB75NTEA
PT-LB75U
PT-LB75E
PT-LB75EA
LCD Projector
ORDER NO. VED0804386C0
D10
2
PT-LB80NTU / PT-LB80NTE / PT-LB80NTEA / PT-LB80U / PT-LB80E / PT-LB80EA / PT-LB75NTU / PT-LB75NTE / PT-LB75NTEA / PT-LB75U / PT-LB75E / PT-LB75EA
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
CONTENTS
Page
Page
3
PT-LB80NTU / PT-LB80NTE / PT-LB80NTEA / PT-LB80U / PT-LB80E / PT-LB80EA / PT-LB75NTU / PT-LB75NTE / PT-LB75NTEA / PT-LB75U / PT-LB75E / PT-LB75EA
2.2.
EXT OPTION Menu and Functions
6
2.3.
Canceling EXT OPTION
8
3
Self-Check Mode
8
3.1.
Procedure to enter the self-check mode
8
3.2.
Self Check Display and Contents
9
3.3.
Canceling the self-check mode
10
4
Test Pattern
10
4.1.
Procedure to display test patterns
10
4.2.
Canceling the test pattern display
10
5
Flicker Adjustment Mode
10
5.1.
Procedure to enter the adjustment mode
10
5.2.
Adjustment Display and Contents
10
5.3.
Canceling the flicker adjustment mode
10
6
Using the SERIAL Connector
11
6.1.
Connection
11
6.2.
Pin Layout and Signal Names for SERIAL Connector 11
6.3.
Communication Settings
11
6.4.
Control commands
12
6.5.
Communication Cable Specifications
12
7
Disassembly Instructions
13
7.1.
Printed Circuit Board and Main Parts Location
13
7.2.
Removal of Upper Case
14
7.3.
Removal of A-P.C.Board
14
7.4.
Removal of K1-P.C.Board and K2-P.C.Board Block
14
7.5.
Removal of S-Module
15
7.6.
Removal of WL-P.C.Board (Only for PT-
LB80NT**/LB75NT**)
15
7.7.
Removal of Z-P.C.Board
15
7.8.
Removal of B/Q-Module
15
7.9.
Removal of P-Module
16
7.10. Removal of Lamp Unit
17
7.11. Removal of Analysis Block and Projection Lens
17
7.12. Removal of LCD Block
17
7.13. Replacement of LCD Panel (B)
18
7.14. Replacement of Incidence Polarizer (G)
18
7.15. Replacement of Incidence Polarizer (R and B)
19
7.16. Replacement of Projection Polarizer
19
7.17. Replacement of PBS Array (Analysis Block)
20
8
Measurement and Adjustments
21
8.1.
Cautions for Adjustment
21
8.2.
Setting Before Adjustment
21
8.3.
Convergence Adjustment
21
8.4.
Software for Adjustment
22
8.5.
Flicker Adjustment
27
8.6.
Input Level Adjustment
27
8.7.
Model Information Setup
27
9
Troubleshooting
29
10 Interconnection Block Diagram
41
10.1. Interconnection Block Diagram (1/2)
41
10.2. Interconnection Block Diagram (2/2)
42
11 Block Diagram
43
11.1. Power Supply
43
11.2. Signal Processing (1/3)
44
11.3. Signal Processing (2/3)
45
11.4. Signal Processing (3/3)
46
12 Schematic Diagram
47
12.1. A-P.C.Board (1/6)
48
12.2. A-P.C.Board (2/6)
49
12.3. A-P.C.Board (3/6)
50
12.4. A-P.C.Board (4/6)
51
12.5. A-P.C.Board (5/6)
52
12.6. A-P.C.Board (6/6)
53
12.7. WL-P.C.Board (1/2)
54
12.8. WL-P.C.Board (2/2)
55
12.9. S-Module
56
12.10. K-P.C.Board
57
12.11. B-Module (1/2)
58
12.12. B-Module (2/2)
59
13 Circuit Boards
61
13.1. A-P.C.Board
61
13.2. S-Module, WL-P.C.Board
62
14 Terminal guide of ICs and transistors
63
15 Exploded Views
64
16 Replacement Parts List
68
4
PT-LB80NTU / PT-LB80NTE / PT-LB80NTEA / PT-LB80U / PT-LB80E / PT-LB80EA / PT-LB75NTU / PT-LB75NTE / PT-LB75NTEA / PT-LB75U / PT-LB75E / PT-LB75EA