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TH-L42E5A
Page 6 (Service Navigation)
Panasonic TH-L42E5A - Service Navigation; Service Hint
70 pages
Manual
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TH-L42E5A
6
3
Service Navigation
3.1.
Service Hint
Board Name
Main Device
Remarks
A BOARD
TUN, OFDM, ADV
, LD4, STBY EEP
Repairable
P BOARD
Power Supply
Repairable
GK BOARD
Function SW for LGD panel
Repairable
K BOARD
LED/RM/CA
TS
Repairable
5
7
Table of Contents
Main Page
Default Chapter
1
Table of Contents
1
1 Safety Precautions
3
General Guidelines
3
Leakage Current Cold Check
3
Leakage Current Hot Check (See Figure 1.)
3
2 Warning
4
Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices
4
About Lead Free Solder (Pbf)
5
3 Service Navigation
6
Service Hint
6
4 Specifications
7
5 Service Mode
8
How to Enter into Service Mode
8
Contents of Adjustment Mode
8
How to Exit
8
Srv-Tool
9
How to Access
9
Display of SOS History
9
Power on Time/Count
9
Exit
9
Self Check Mode
10
Hotel Mode Adjustment
10
Hotel Mode
10
6 Troubleshooting Guide
11
Check of the IIC Bus Lines
11
How to Access
11
Exit
11
Screen Display
11
Power LED Blinking Timing Chart
12
No Power
12
7 Disassembly and Assembly Instructions
13
Control Button Fixing
13
Speaker Bracket & Metal Bottom
14
LCD Panel Assembly
15
LCD Panel Fixing & Handling Method
16
LED Panel and Bracket Assembly
17
Screw Fixing
18
Bracket Assembly
19
Lvds Ffc 1
21
Lvds Ffc
22
Barrier and Metal CH Frame Assembly
23
Shading Sheet Sticking
25
Shading Plate Sticking
26
Bottom Cover Fixing
27
Back Cover Assembly
28
8 Measurements and Adjustments
29
Voltage Chart of A-Board
29
Voltage Chart of P-Board
29
9 Block Diagram
30
Main Block Diagram
30
Detailed Block Diagram (1/2)
31
Detailed Block Diagram (2/2)
32
10 Wiring Connection Diagram
33
Wire Dressing
33
11 Schematic Diagram
34
Schematic Diagram Notes
34
A-Board (1/17) Schematic Diagram
35
A-Board (2/17) Schematic Diagram
36
A-Board (3/17) Schematic Diagram
37
A-Board (4/17) Schematic Diagram
38
A-Board (5/17) Schematic Diagram
39
A-Board (6/17) Schematic Diagram
40
A-Board (7/17) Schematic Diagram
41
A-Board (8/17) Schematic Diagram
42
A-Board (9/17) Schematic Diagram
43
A-Board (10/17) Schematic Diagram
44
A-Board (11/17) Schematic Diagram
45
A-Board (12/17) Schematic Diagram
46
A-Board (13/17) Schematic Diagram
47
A-Board (14/17) Schematic Diagram
48
A-Board (15/17) Schematic Diagram
49
A-Board (16/17) Schematic Diagram
50
A-Board (17/17) Schematic Diagram
51
GK-Board Schematic Diagram
52
K-Board Schematic Diagram
53
P-Board Schematic Diagram
54
12 Printed Circuit Board
55
A-Board
55
K-Board
57
P-Board
58
13 Exploded View and Replacement Parts List
60
Exploded View and Mechanical Replacement Parts List
60
Electrical Replacement Parts List
60
Replacement Parts List Notes
60
Electrical Replacement Parts List
61
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