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LF320EM4 A
FUNAI LF320EM4 A Manuals
Manuals and User Guides for FUNAI LF320EM4 A. We have
2
FUNAI LF320EM4 A manuals available for free PDF download: Service Manual
FUNAI LF320EM4 A Service Manual (144 pages)
32” LCD TV
Brand:
FUNAI
| Category:
LCD TV
| Size: 13 MB
Table of Contents
Service Manual
1
Important Safety Notice
2
Table of Contents
3
Specifications
4
Safety Precautions for LCD TV Circuit
5
Antenna Cold Check
5
Leakage Current Hot Check
5
Important Safety Precautions
5
Product Safety Notice
6
Hot Chassis Warning
6
Observe Original Lead Dress
6
Design Alteration Warning
6
Precautions During Servicing
7
Safety Check after Servicing
8
Clearance Distance
8
Leakage Current Test
8
Leakage Current Ratings for Selected Areas
8
How to Remove / Install Flat Pack-IC
9
Circuit Board Indications
9
Pb (Lead) Free Solder
9
Standard Notes for Servicing
9
With Soldering Iron
10
Installation
11
With Iron Wire
11
Instructions for Handling Semi-Conductors
12
Ground for Human Body
12
Ground for Workbench
12
Important Precautions Concerning the LCD Panel Assembly
13
Disassembly Flowchart
13
Disassembly Method
13
Cabinet Disassembly Instructions
13
Figure D1
14
Figure D2
15
Figure D3
16
Figure D4
17
TV Cable Wiring Diagram
18
How to Set up the Service Mode
19
Purity Check Mode
19
Electrical Adjustment Instructions
19
VCOM Adjustment
20
White Balance Adjustment
21
How to Initialize the LCD TV
23
Firmware Update Procedure
24
Firmware Renewal Mode
24
Factory Upgrade (Firmware Upgrade/Flash Upgrade)
25
Power Supply Section Troubleshooting
26
Troubleshooting
26
Video Signal Section Troubleshooting
28
Audio Signal Section Troubleshooting
29
System Control Block Diagram
30
Block Diagrams [TYPE A, TYPE B]
30
Video/Audio Block Diagram
31
Digital Signal Process Block Diagram
32
LED Backlight Drive Block Diagram
33
Power Supply Block Diagram
34
System Control Block Diagram (Type C)
35
[Type C]
35
Video/Audio Block Diagram (Type C)
36
Digital Signal Process Block Diagram (Type C)
37
LED Backlight Drive Block Diagram (Type C)
38
Power Supply Block Diagram (Type C)
39
System Control Block Diagram (Type D)
40
[Type D]
40
Video/Audio Block Diagram (Type D)
41
Digital Signal Process Block Diagram (Type D)
42
LED Backlight Drive Block Diagram (Type D)
43
Power Supply Block Diagram (Type D)
44
System Control Block Diagram (Type E)
45
[Type E]
45
Video/Audio Block Diagram (Type E)
46
Digital Signal Process Block Diagram (Type E)
47
LED Backlight Drive Block Diagram (Type E)
48
Power Supply Block Diagram (Type E)
49
System Control Block Diagram (Type F, Type G)
50
[Type F, Type G]
50
Video/Audio Block Diagram (Type F)
51
Video/Audio Block Diagram (Type G)
52
Digital Signal Process Block Diagram (Type F, Type G)
53
LED Backlight Drive Block Diagram (Type F, Type G)
54
Power Supply Block Diagram (Type F, Type G)
55
Schematic Diagrams / CBA and Test Points
56
Test Point Information
57
List of Caution, Notes and Symbols Used in the Schematic Diagrams on the Following Pages
57
How to Read Converged Lines
57
Voltage Indications on the Schematics
57
Digital Main 1 Schematic Diagram [TYPE A, TYPE B]
58
Digital Main 2 Schematic Diagram [TYPE A,TYPE B]
59
Digital Main 3 Schematic Diagram [TYPE A,TYPE B]
60
Digital Main 4 Schematic Diagram [TYPE A, TYPE B]
61
Digital Main 5 Schematic Diagram [TYPE A, TYPE B]
62
Digital Main 1 Schematic Diagram [TYPE C]
63
Digital Main 2 Schematic Diagram [TYPE C]
64
Digital Main 3 Schematic Diagram [TYPE C]
65
Digital Main 4 Schematic Diagram [TYPE C]
66
Digital Main 5 Schematic Diagram [TYPE C]
67
Digital Main 1 Schematic Diagram [TYPE D]
68
Digital Main 2 Schematic Diagram [TYPE D]
69
Digital Main 3 Schematic Diagram [TYPE D]
70
Digital Main 4 Schematic Diagram [TYPE D]
71
Digital Main 5 Schematic Diagram [TYPE D]
72
Digital Main 6 Schematic Diagram [TYPE D]
73
Digital Main 1 Schematic Diagram [TYPE E]
74
Digital Main 2 Schematic Diagram [TYPE E]
75
Digital Main 3 Schematic Diagram [TYPE E]
76
Digital Main 4 Schematic Diagram [TYPE E]
77
Digital Main 5 Schematic Diagram [TYPE E]
78
Digital Main 1 Schematic Diagram [TYPE F]
79
Digital Main 2 Schematic Diagram [TYPE F]
80
Digital Main 3 Schematic Diagram [TYPE F]
81
Digital Main 4 Schematic Diagram [TYPE F]
82
Digital Main 5 Schematic Diagram [TYPE F]
83
Digital Main 6 Schematic Diagram [TYPE F]
84
Digital Main 1 Schematic Diagram [TYPE G]
85
Digital Main 2 Schematic Diagram [TYPE G]
86
Digital Main 3 Schematic Diagram [TYPE G]
87
Digital Main 4 Schematic Diagram [TYPE G]
88
Digital Main 5 Schematic Diagram [TYPE G]
89
Digital Main 6 Schematic Diagram [TYPE G]
90
Function Schematic Diagram
91
Digital Main CBA Top View [TYPE A, TYPE B]
92
Digital Main CBA Bottom View [TYPE A, TYPE B]
93
Digital Main CBA Top View [TYPE C]
94
Digital Main CBA Bottom View [TYPE C]
95
Digital Main CBA Top View [TYPE D]
96
Digital Main CBA Bottom View [TYPE D]
97
Digital Main CBA Top View [TYPE E]
98
Digital Main CBA Bottom View [TYPE E]
99
Digital Main CBA Top View [TYPE F]
100
Digital Main CBA Bottom View [TYPE F]
101
Digital Main CBA Top View [TYPE G]
102
Digital Main CBA Bottom View [TYPE G]
103
Wiring Diagram
104
Exploded Views
105
Packing - Diagram
106
Mechanical Parts
107
LCD Panel Assembly Parts
107
Parts List
107
Electrical Parts
108
Digital Main CBA Unit Parts
108
Function CBA Unit Part
109
Type a Parts List [LF320EM4 a (Serial No.: DS2)]
110
Mechanical Parts (Type A) [LF320EM4 a (Serial No.: DS2)]
110
Electrical Parts (Type A)[LF320EM4 a (Serial No.: DS2)]
111
Type a Parts List [32ME303V/F7 a (Serial No.: DS1)]
112
Mechanical Parts (Type a [LF320EM4 a (Serial No.: DS2)])
112
Electrical Parts (Type a [LF320EM4 a (Serial No.: DS2)])
113
Type B Parts List [LF320EM4 a (Serial No.: ME2)]
114
Mechanical Parts (Type B [LF320EM4 a (Serial No.: ME2)])
114
Electrical Parts (Type B [LF320EM4 a (Serial No.: ME2)])
115
Type C Parts List [LF320EM4 a (Serial No.: ME5)]
116
Mechanical Parts (Type C [LF320EM4 a (Serial No.: ME5)])
116
Electrical Parts (Type C [LF320EM4 a (Serial No.: ME5)])
117
Type D Parts List [LF320EM4 a (Serial No.: ME1)]
118
Mechanical Parts (Type D [LF320EM4 a (Serial No.: ME1)])
118
Electrical Parts (Type D [LF320EM4 a (Serial No.: ME1)])
119
Type D Parts List [LF320EM4 a (Serial No.: ME6)]
120
Mechanical Parts (Type D [LF320EM4 a (Serial No.: ME6)])
120
Electrical Parts (Type D [LF320EM4 a (Serial No.: ME6)])
121
Mechanical Parts (Type D [32ME303V/F7 a(Serial No.: ME1)])
122
Type D Parts List [32ME303V/F7 a(Serial No.: ME1)]
122
Electrical Parts (Type D [32ME303V/F7 a(Serial No.: ME1)])
123
Type D Parts List [LF320EM5F (Serial No.: ME1)]
124
Mechanical Parts (Type D [LF320EM5F (Serial No.: ME1)])
124
Electrical Parts (Type D [LF320EM5F (Serial No.: ME1)])
125
Type D Parts List [LF320EM5F (Serial No.: ME2)]
126
Mechanical Parts (Type D [LF320EM5F (Serial No.: ME2)])
126
Electrical Parts (Type D [LF320EM5F (Serial No.: ME2)])
127
Mechanical Parts (Type E [LF320EM4 a (Serial No.: ME4)])
128
Type E Parts List [LF320EM4 a (Serial No.: ME4)]
128
Electrical Parts (Type E [LF320EM4 a (Serial No.: ME4)])
129
Type F Parts List [LF320EM5F (Serial No.: ME3)]
130
Type F Parts List [32ME303V/F7 a(Serial No.: ME2)]
132
Type F Parts List [LF320EM4 a(Serial No.: ME7)]
134
Type G Parts List [LF320EM4 a(Serial No.: ME8)]
136
Type G Parts List [LF320EM4 a(Serial No.: ME9)]
138
Type G Parts List [32ME303V/F7 a(Serial No.: ME3)]
140
Revision History
142
Comparison List of Model Names
143
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FUNAI LF320EM4 A Service Manual (84 pages)
32” LCD TV
Brand:
FUNAI
| Category:
LCD TV
| Size: 6 MB
Table of Contents
Service Manual
1
Important Safety Notice
2
Table of Contents
3
Specifications
4
Important Safety Precautions
5
Precautions During Servicing
7
Safety Check after Servicing
8
Clearance Distance
8
Leakage Current Test
8
Leakage Current Ratings for Selected Areas
8
How to Remove / Install Flat Pack-IC
9
Circuit Board Indications
9
Pb (Lead) Free Solder
9
Standard Notes for Servicing
9
Installation
11
Instructions for Handling Semi-Conductors
12
Ground for Human Body
12
Ground for Workbench
12
Disassembly Flowchart
13
Important Precautions Concerning the LCD Panel Assembly
13
Cabinet Disassembly Instructions
13
TV Cable Wiring Diagram
17
How to Set up the Service Mode
18
Electrical Adjustment Instructions
18
Purity Check Mode
19
VCOM Adjustment
19
White Balance Adjustment
20
How to Initialize the LCD TV
21
Firmware Update Procedure
22
Firmware Renewal Mode
22
Factory Upgrade (Firmware Upgrade/Flash Upgrade)
23
Troubleshooting
24
Block Diagrams
28
Schematic Diagrams / CBA and Test Points
34
Caution, Notes and Symbols Used in the Schematic Diagrams
35
CBA Views
51
Wiring Diagram
55
[Type B]
56
Exploded Views and Parts List
57
Lcd Panel Assembly
59
Parts List
59
Revision History
82
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