Service Manual
9-3. Mainboard Failure Check
No
picture
but
have
sound
Check
the
power
output
No
Change
the
Power
Board
Yes
Check
the
CN2
(BLO)
Backlight
on/off
Yes
No
There’s
something
wrong
with
FRC
Verify
if
the
DC/DC
convertor
can
output
the
right
Voltage,
No
Change
the
corresponding
DC/DC
Q45output
5V
Yes
No
Verify
if
Q46
output
Change
the
Q46
Yes
Still
having
problems
Change
Panel
Change
LVDS
wire
39
Model No.: LE48M7000A
Summary of Contents for LE48M7000A
Page 10: ...Service Manual 2 2 External pictures four faces Front Side Up Side 9 Model No LE48M7000A ...
Page 11: ...Service Manual Right Side Back Side 10 Model No LE48M7000A ...
Page 17: ...15 ...
Page 18: ...Service Manual 4 3 LCD Panel Backlight Unit LVDS CONNECTOR 16 Model No LE48M7000A ...
Page 19: ...Service Manual 17 Model No LE48M7000A ...
Page 23: ...Service Manual 6 2 Back Panel Controls Service Manual Model No LE48M7000A ...
Page 25: ...Service Manual Chapter 7 Electrical Parts 7 1 Circuit Diagram Model No LE48M7000A ...
Page 44: ...Service Manual 8 3 Software Update 8 3 1 MSD6369 software update 34 Model No LE48M7000A ...
Page 48: ...Service Manual Bottom view 37 Model No LE48M7000A ...
