1
Safety Precautions
3
1.1.
General Guidelines
3
2
Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
3
3
About lead free solder (PbF)
4
4
Self-check function
5
4.1.
How to access
5
4.2.
Screen display
5
5
Chassis Board Layout
6
6
Disassembly for Service
7
6.1.
Pedestal ass’y
7
6.2.
Rear cover
7
6.3.
TA-Board
7
6.4.
A-Board
8
6.5.
Power unit
8
6.6.
V-Board
9
6.7.
Speaker (left and right)
9
6.8.
JG-Board and JG-Board bracket
10
6.9.
GS-Board
10
6.10. Main chassis
11
6.11. LCD panel
11
7
Location of Lead Wiring
12
8
Adjustment method
13
8.1.
How to enter into adjustment mode
13
8.2.
Cancellation
13
8.3.
Contents of adjustment mode
13
8.4.
Video Signal Level Adjustment
14
8.5.
LCD GAMMA Adjustment
14
8.6.
MTS Adjustment
15
9
Conductor Views
17
9.1.
A-Board
17
9.2.
JG-Board
20
9.3.
GS, TA and V-Board
22
10 Block and Schematic Diagram
25
10.1. Schematic Diagram Notes
25
10.2. Power Block Diagram
26
10.3. Signal Block Diagram
27
10.4. A-Board (1 of 5) Schematic Diagram
28
10.5. A-Board (2 of 5) Schematic Diagram
29
10.6. A-Board (3 of 5) Schematic Diagram
30
10.7. A-Board (4 of 5) Schematic Diagram
31
10.8. A-Board (5 of 5) Schematic Diagram
32
10.9. JG-Board (1 of 2) Schematic Diagram
33
10.10. JG-Board (2 of 2) Schematic Diagram
34
10.11. GS, TA and V-Board Schematic Diagram
35
11 Parts Location & Mechanical Replacement Parts List
37
11.1. Parts Location
37
11.2. Packing Exploded View
38
11.3. Mechanical Replacement Parts List
39
12 Replacement Parts List
40
12.1. Replacement Parts List Notes
40
12.2. Electrical Replacement Parts List
41
CONTENTS
Page
Page
2
TC-20LB30
