Read Panasonic TC-19LX50 / TC-23LX50 / TC-19LE50 / TC-23LE50 Service Manual online
1 Safety Precautions
3
1.1.
General Guidelines
3
2 Warning
3
2.1.
Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
3
2.2.
About lead free solder (PbF)
4
3 Location of Controls and Components
5
4 Service Mode
6
4.1.
How to enter into adjustment mode
6
4.2.
Cancellation
6
4.3.
Contents of adjustment mode
6
5 Troubleshooting Guide
7
5.1.
Self-check function
7
6 Disassembly and Assembly Instructions
8
6.1.
Removing the hinge cover
8
6.2.
Removing the pedestal
8
6.3.
Removing the back cover (TC-23LX50/LE50)
8
6.4.
Removing the back cover (TC-19LX50/LE50)
8
6.5.
Removing the tuner cover
8
6.6.
Removing the shield cover
9
6.7.
Removing the button panel and K-board
9
6.8.
Removing the chassis
9
6.9.
Removing the A-Board, AP-Board and Power Unit
9
6.10. Removing the speaker, and V-Board
10
6.11. Removing the LCD mount metal
10
6.12. Removing the LCD panel (TC-23LX50/LE50)
10
6.13. Removing the LCD panel (TC-19LX50/LE50)
11
6.14. Removing the LCD fixing metal
11
6.15. Location of Lead Wiring
12
7 Measurements and Adjustments
13
7.1.
Video Signal Level Adjustment (RF)
13
8 Block Diagram
15
8.1.
Block Diagram (1 of 3)
15
8.2.
Block Diagram (2 of 3)
16
8.3.
Block Diagram (3 of 3)
17
9 Wiring Connection Diagram
19
10 Schematic Diagrams
21
10.1. Schematic Diagram Notes
21
10.2. A-Board (1 of 6) Schematic Diagram
22
10.3. A-Board (2 of 6) Schematic Diagram
23
10.4. A-Board (3 of 6) Schematic Diagram
24
10.5. A-Board (4 of 6) Schematic Diagram
25
10.6. A-Board (5 of 6) Schematic Diagram
26
10.7. A-Board (6 of 6) Schematic Diagram
27
10.8. AP-Board Schematic Diagram
28
10.9. K-Board and V-Board Schematic Diagram
29
11 Printed Circuit Views
31
11.1. A-Board
31
11.2. AP-Board
34
11.3. K-Board and V-Board
35
12 Exploded View and Replacement Parts List
37
12.1. Parts Layout
37
12.2. Packing Exploded Views
38
12.3. Mechanical Replacement Parts List
39
13 Electrical Parts List
40
13.1. Electrical Parts List Notes
40
13.2. Electrical Replacement Parts List
41
Dimensions ( W × H × D )
Including TV Stand
20.2 “ × 18.1 “ × 10.2 “ (514 mm × 459 mm × 259 mm) (TC-19LX50, TC-19LE50)
24.1 “ × 19.9 “ ×10.2 “ (612 mm × 505 mm × 259 mm) (TC-23LX50, TC-23LE50)
TV Set Only
20.2 “ × 15.6 “ ×4.9 “ (514 mm × 395 mm × 125 mm) (TC-19LX50, TC-19LE50)
24.1 “× 17.4 “ ×4.9 “ (612 mm × 441 mm × 125 mm) (TC-23LX50, TC-23LE50)
Mass (Weight)
8.5 kg (18.7 lb.) NET (TC-19LX50, TC-19LE50)
9.5 kg (20.9 lb.) NET (TC-23LX50, TC-23LE50)
Note:
Design and Specifications are subject to change without notice. Weight and Dimensions shown are approximate.
CONTENTS
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TC-19LX50 / TC-23LX50 / TC-19LE50 / TC-23LE50
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