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Manuals
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LG Manuals
LCD TV
42LG70 Series
Training manual
Circuit Board Layout - LG 42LG70 Training Manual
42” class lcd 1080p hdtv
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Also See for 42LG70
:
Training manual
(80 pages)
,
Owner's manual
(208 pages)
,
Manual
(148 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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Circuit Board Layout
Circuit Board Layout
Backlight
Connection
To Left Side
Ballast
Under
Shield
Tweeter
Side
Controls
BALLAST p/n EAY56798701
POWER SUPPLY
Backlight
Connection
To Right Side
AC Input
Woofer
Ft Control
T-CON p/n EAT56803001
T-CON Under Shield
LVDS
Cables
Main "Digital"
Under Shield
Woofer
March 2009
25
RF
Input
Side Inputs
Rear Inputs
Tweeter
LCD DV 42LG70
Table of
Contents
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Table of Contents
Troubleshooting
Basic Troubleshooting Steps
10
TROUBLESHOOTING SECTION
26
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