Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
LG Manuals
LCD TV
42LH50 Series
Training manual
Table Of Contents - LG 42LH50 Training Manual
1080p direct view lcd
Hide thumbs
Also See for 42LH50
:
Owner's manual
(162 pages)
,
Schematics and exploded view
(18 pages)
,
Specifications
(2 pages)
1
Table Of Contents
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
page
of
77
Go
/
77
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Advertisement
42LH50 TABLE OF CONTENTS
TOPICS
PRELIMINARY
.......................... 2
Outline
........................................... 2
Overview
....................................... 3
Safety Notice and Cautions
........... 4
ESD Notice
.................................... 5
Regulatory Info
............................... 5
Contact Information
....................... 6
Handling and Safety
...................... 7
Basic Troubleshooting Steps
......... 8
PRODUCT INFORMATION
..... 9
Feature List
.................................... 10
Pixel Count Explained
................... 11
Product Logos
................................ 12
Remote Control
............................. 13
Accessing Service Menu
............... 14
Rear and Side Inputs
...................... 15
Software Download Screen
........... 16
Dimensions
.................................... 17
TROUBLESHOOTING
.............. 18
Back Cover Removal
..................... 19
Circuit Board Layout
..................... 20
Power Supply Section
.................... 21
Power supply board Removal
........ 22
Master Power Switch Warning
...... 23
Power Supply layout
...................... 24
Power Supply Start Up sequence
... 25
Power Supply Micro commands
.... 26
Power Supply Testing Step 1
......... 27
Power Supply Testing Step 2
......... 28
BACKLIGHT SECTION
............ 29
EEFL Introduction
......................... 30
EEFL to CCFL
............................... 31
Ballast Section of the SMPS
.......... 32
Ballast Turn on signals
................... 33
P-DIM Effect on the drive
............. 34
P201 Connector checks
.................. 35
SK100 and SK101 checks
.............. 36
T-CON SECTION
........................ 37
Removing the T-CON board
.......... 38
Removing the LVDS cables
........... 39
Removing locking tabs
.................. 40
T-CON layout
................................ 41
T-CON component locations
......... 42
T-CON voltage checks
.................. 43
T-CON panel voltage generation
.. 44
CN4 and CN5 voltage checks
........ 45
CN1 voltage checks
....................... 46
CN2 voltage checks
....................... 47
Page 1
MAIN BOARD SECTION
.......... 48
Removing the Main board
.............. 49
Main board layout
.......................... 50
Front side component voltages
....... 51
Main board (Back Side) layout
...... 52
Back side component voltages
....... 53
Crystal checks
................................ 54
LD2400 functions
.......................... 55
Tuner with shield off
...................... 56
Tuner signal checks
........................ 57
Clock and Data lines
...................... 58
P2400 connector check
.................. 59
P1100 connector check
.................. 60
P1101 connector check
.................. 61
P3400 connector check
.................. 62
P2300 connector check
.................. 63
FRONT IR AND LED
................ 64
Connectors identified
..................... 65
Components identified
................... 66
P1 and P2 connector checks
........... 67
SIDE KEY SECTION
.................. 68
P3000 connector checks
................. 69
INVISIBLE SPEAKERS
............ 70
Speakers identified
......................... 71
Tweeter damage warning
............... 72
Tweeter layout
............................... 73
11X17 FOLDOUT SECTION
..... 74
Previous
Page
Next
Page
1
2
3
4
5
6
Show Quick Links
Quick Links:
Circuit Board Layout
Power Supply Section
Power Supply Start up Sequence
Hide quick links:
Permanently
Temporary
Cancel
Advertisement
Table of Contents
Troubleshooting
Basic Troubleshooting Steps
9
TROUBLESHOOTING
19
Related Manuals for LG 42LH50
LCD TV LG 50PS80 Owner's Manual
Lcd tv plasma tv (195 pages)
LCD TV LG 19LD320 Owner's Manual
Lcd tv / led lcd tv / plasma tv (194 pages)
LCD TV LG 22LD320 Owner's Manual
Lcd tv / led lcd tv / plasma tv (194 pages)
LCD TV LG 22LU4010 Owner's Manual
Lcd tv / led lcd tv / plasma tv (194 pages)
TV LG 19LU40 Series Owner's Manual
Lcd tv, led lcd tv, plasma tv (194 pages)
TV LG 19LU40 Series Owner's Manual
Lcd tv plasma tv (176 pages)
LCD TV LG 22LH2020 Owner's Manual
Lcd tv & plasma tv (176 pages)
LCD TV LG 42LH5000 Owner's Manual
Plasma tv (176 pages)
TV LG 42LH50 Owner's Manual
Lcd and plasma tvs (162 pages)
TV LG 42LH50 Owner's Manual
(69 pages)
LCD TV LG 37LH50-UC Owner's Manual
42lh50 47lh50 (67 pages)
TV LG 42LH50 Owner's Manual
Lcd tv; plasma tv (60 pages)
LCD TV LG 42LH4020.AEU Owner's Manual
(19 pages)
LCD TV LG 42LH50 Schematics And Exploded View
Chassis : la91l (18 pages)
LCD TV LG 42LH50 Specifications
42” full hd 1080p broadband 120hz lcd tv (2 pages)
LCD TV LG 42LH50 - - 42" LCD TV Specification
42” full hd 1080p broadband 120hz lcd tv (2 pages)
Related Content for LG 42LH50
37LD320H Table Of Contents
LG 37LD320H
Pro:Centric 43UT570H Table Of Contents
LG Pro:Centric 43UT570H
32LH240H Table Of Contents
LG 32LH240H
42LV3700 Table Of Contents
LG 42LV3700
42LV3700 Table Of Contents
LG 42LV3700
HB906TA Table Of Contents
LG HB906TA
LA62 Series Table Of Contents
LG LA62 Series
32LV3710-TB Table Of Contents
LG 32LV3710-TB
LM62 Series Table Of Contents
LG LM62 Series
Centric X950 Series Table Of Contents
LG Centric X950 Series
32LD650H Table Of Contents
LG 32LD650H
CS47 Series Table Of Contents
LG CS47 Series
47LM960V-ZB Table Of Contents
LG 47LM960V-ZB
24MA32D Table Of Contents
LG 24MA32D
M2255D Table Of Contents
LG M2255D
55WV70MS Table Of Contents
LG 55WV70MS
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL