Contact Technical Support - Toshiba 40RF350U Service Manual

No or distorted
video
Does
NO
the back light function
normally when the unit
is turned on?
Using
the power
NO
distribution diagram,
are the voltages normal
at P811?
Suspect the
Low B
module.
© 2007 Toshiba America Consumer Products, LLC.
YES
Is
the screen discolored
YES
or does it have streaks
or dark areas with no
signal input?
YES
Suspect
the AV tuning module. This
can be confirmed by using the
wiring interconnect diagram
and checking the Y, Cb, Cr
signals at plug CN71. They will
be missing or distorted.
Replace the
LCD display
panel. ***
NO
When
the input button
is pressed on the
YES
receiver or remote, is
the on screen
display clear and
normal?
YES
Suspect the
Seine (Digital)
module.
*** Warranty Concession
required for LCD panel
replacement. Digital photo
may be requested.
Contact Technical
Support.
11
Examples
NO
Using the
power distribution
NO
diagram, are the
voltages normal at
CN90?
Suspect the
SMART200706_20Q1.1.0 Page 4 of 8
SMART200706_Version LCD 2.0 Page 4 of 8
Low B
module.