LG 42LH90 - Photo Selection and Management; Browsing Folders and Selecting Photos; Using the Photo Popup Menu Options

LCD DV 42LH90
54
February 2010
Inverter 27V (M 1
Inverter 27V (M 1
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M4 Power Supplies) Checks
M4 Power Supplies) Checks
Example of M3 (27.5V) Power Supply
There are actually 4 power
supplies developing 27.5V for the
LED blocks. They are designated
as “M1 through M4” This one is
M3. Each of the 4 have the same
components.
Q4, Q5, Q11, Q11, Q12,
Q204, Q205, Q211, Q212
Gnd 3.67V
23.9V
D2, D3, D7, D8, D202,
D203, D207, D208
Gnd
26.4V
28.0V
Gnd
3.74V 3.73VGnd 4.0V 6.75V 4.0V
Q2, Q10,
Q202, Q210
Q3, Q09
Q203, Q209