you
connect.
Service Manual
No
sound
but
have
picture
Verify
if
the
speakers
are
broken
No
Yes
Change
the
speakers
Verify
if
the
main
board
has
the
right
input
,according
to
the
source
TV/COMPONENT/AV/VGA/HDMI
etc.
Yes
Verify
if
U39/U38
has
the
right
output
Yes
Check
Amp_Power
input
is
right
No
No
Check
the
corresponding
audio
input
circuit
you
connect.
Verify
if
U39/U38
has
the
right
power
in
No
Change
U39/U38
40
Still
having
problems
Change
Mainboard
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 ...
