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Panasonic
LCD TV
TX-LR32C20
Panasonic TX-LR32C20
109 pages
Manual
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TX-LR32C20
6
3
Service Navigation
3.1.
Service Hint
Board Name
Function
A BOARD
A
VSW
, TUN, GENX, PEAKS-A
VCEEP
, TEMP TUN
V BOARD
REMOTE, LED, LUMINUNCE SENSOR
K BOARD
CONTROL BUTTON, POWER BUTT
ON
P BOARD
POWER AC / DC
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
Applicable Signals
7
4 Specifications
8
5 Service Mode
10
How to Enter into Service Mode
10
Contents of Adjustment Mode
10
How to Exit
10
Srv-Tool
11
How to Access
11
Display of SOS History
11
Power on Time/Count
11
Exit
11
Service Mode Adjustment
12
Self Check Mode
12
Hotel Mode Adjustment
12
Hotel Mode
12
6 Troubleshooting Guide
13
Check of the IIC Bus Lines
13
How to Access
13
Exit
13
Screen Display
13
Check Point
13
Power LED Blinking Timing Chart
14
No Power
14
7 Disassembly and Assembly Instructions
15
AC Cord Dressing
15
AC Cord Installation
16
VESA Rail Installation
17
VESA Metal Assembly
18
Vesa Metal Top Assembly
19
Control Panel Assembly
20
Side AV Preparation and Installation
21
SP Installation
22
LCD Panel Installation
23
LED Panel Installation & Fitting
24
LCD Mounting Installation
25
Metal Bracket Installation
26
LVDS Cable Installation
27
PCB and Clamper Assembly
28
PB MTG Installation
29
Pedestal Assembly
30
Pedestal Assembly
31
Rear Cover
31
Stand MTG Assembly
32
8 Measurements and Adjustments
33
Voltage Chart of A-Board
33
Voltage Chart of P-Board
33
Picture Level Adjustment (RF)
33
Picture Level Adjustment (VIDEO)
34
Picture Level Adjustment (YUV)
34
9 Block Diagram
35
Main Block Diagram
35
10 Wiring Connection Diagram
36
11 Schematic Diagram
37
Schematic Diagram Notes
37
A Board
38
A Board - Sheet : 002 (1 / 4)
38
A Board - Sheet : 002 (2 / 4)
39
A Board - Sheet : 002 (3 / 4)
40
A Board - Sheet : 002 (4 / 4)
41
A Board - Sheet : 003 (1 / 3)
42
A Board - Sheet : 003 (2 / 3)
43
A Board - Sheet : 003 (3 / 3)
44
A Board - Sheet : 005 (1 / 3)
45
A Board - Sheet : 005 (2 / 3)
46
A Board - Sheet : 005 (3 / 3)
47
A Board - Sheet : 007 (1 / 4)
48
A Board - Sheet : 007 (2 / 4)
49
A Board - Sheet : 007 (3 / 4)
50
A Board - Sheet : 007 (4 / 4)
51
A Board - Sheet : 009 (1 / 4)
52
A Board - Sheet : 009 (2 / 4)
53
A Board - Sheet : 009 (3 / 4)
54
A Board - Sheet : 009 (4 / 4)
55
A Board - Sheet : 010 (1 / 6)
56
A Board - Sheet : 010 (2 / 6)
57
A Board - Sheet : 010 (3 / 6)
58
A Board - Sheet : 010 (4 / 6)
59
A Board - Sheet : 010 (5 / 6)
60
A Board - Sheet : 010 (6 / 6)
61
A Board - Sheet : 012 (1 / 3)
62
A Board - Sheet : 012 (2 / 3)
63
A Board - Sheet : 012 (3 / 3)
64
A Board - Sheet : 015 (1 / 4)
65
A Board - Sheet : 015 (2 / 4)
66
A Board - Sheet : 015 (3 / 4)
67
A Board - Sheet : 015 (4 / 4)
68
A Board - Sheet : 016 (1 / 4)
69
A Board - Sheet : 016 (2 / 4)
70
A Board - Sheet : 016 (3 / 4)
71
A Board - Sheet : 016 (4 / 4)
72
A Board - Sheet : 017 (1 / 4)
73
A Board - Sheet : 017 (2 / 4)
74
A Board - Sheet : 017 (3 / 4)
75
A Board - Sheet : 017 (4 / 4)
76
A Board - Sheet : 018 (1 / 1)
77
K Board
78
K Board (1 / 2)
78
K Board (2 / 2)
79
P Board
80
P Board (1 / 5)
80
P Board (2 / 5)
81
P Board (3 / 5)
82
P Board (4 / 5)
83
P Board (5 / 5)
84
Board
85
Board (1 / 3)
85
Board (2 / 3)
86
Board (3 / 3)
87
12 Printed Circuit Board
88
A-Board
88
A-Board
89
K-Board
90
V-Board
90
P-Board
91
P-Board
93
13 Exploded View and Replacement Parts List
94
Exploded View and Mechanical Replacement Parts List
94
Electrical Replacement Parts List
94
Replacement Parts List Notes
94
Electrical Replacement Parts List
95
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